Merge tag 'drm-intel-next-2024-04-24' of https://anongit.freedesktop.org/git/drm/drm-intel into drm-next

Core Changes:
- Some DP/DP_MST DRM helpers (Imre)

Driver Changes (i915 Display):
- PLL refactoring (Ville)
- Limit eDP MSO pipe only for display version 20 (Luca)
- More display refactor towards independence from i915 dev_priv (Jani)
- QGV/SAGV related refactor (Stanislav)
- Few MTL/DSC and a UHBR monitor fix (Imre)
- BXT/GLK per-lane vswing and PHY reg cleanup (Ville)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zik0LKEtN1PwXXGb@intel.com

56 files changed, 2067 insertions, 1652 deletions

diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index 023907da9858..79a615667aab 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -2281,6 +2281,8 @@ static const struct dpcd_quirk dpcd_quirk_list[] = {
 	{ OUI(0x90, 0xCC, 0x24), DEVICE_ID_ANY, true, BIT(DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD) },
 	/* Synaptics DP1.4 MST hubs require DSC for some modes on which it applies HBLANK expansion. */
 	{ OUI(0x90, 0xCC, 0x24), DEVICE_ID_ANY, true, BIT(DP_DPCD_QUIRK_HBLANK_EXPANSION_REQUIRES_DSC) },
+	/* MediaTek panels (at least in U3224KBA) require DSC for modes with a short HBLANK on UHBR links. */
+	{ OUI(0x00, 0x0C, 0xE7), DEVICE_ID_ANY, false, BIT(DP_DPCD_QUIRK_HBLANK_EXPANSION_REQUIRES_DSC) },
 	/* Apple MacBookPro 2017 15 inch eDP Retina panel reports too low DP_MAX_LINK_RATE */
 	{ OUI(0x00, 0x10, 0xfa), DEVICE_ID(101, 68, 21, 101, 98, 97), false, BIT(DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS) },
 };
diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index c193be3577f7..3577786b5db2 100644
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -2274,7 +2274,7 @@ drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
 
 	if (port->pdt != DP_PEER_DEVICE_NONE &&
 	    drm_dp_mst_is_end_device(port->pdt, port->mcs) &&
-	    port->port_num >= DP_MST_LOGICAL_PORT_0)
+	    drm_dp_mst_port_is_logical(port))
 		port->cached_edid = drm_edid_read_ddc(port->connector,
 						      &port->aux.ddc);
 
@@ -4219,7 +4219,7 @@ drm_dp_mst_detect_port(struct drm_connector *connector,
 	case DP_PEER_DEVICE_SST_SINK:
 		ret = connector_status_connected;
 		/* for logical ports - cache the EDID */
-		if (port->port_num >= DP_MST_LOGICAL_PORT_0 && !port->cached_edid)
+		if (drm_dp_mst_port_is_logical(port) && !port->cached_edid)
 			port->cached_edid = drm_edid_read_ddc(connector, &port->aux.ddc);
 		break;
 	case DP_PEER_DEVICE_DP_LEGACY_CONV:
@@ -5983,7 +5983,7 @@ static bool drm_dp_mst_is_virtual_dpcd(struct drm_dp_mst_port *port)
 		return false;
 
 	/* Virtual DP Sink (Internal Display Panel) */
-	if (port->port_num >= 8)
+	if (drm_dp_mst_port_is_logical(port))
 		return true;
 
 	/* DP-to-HDMI Protocol Converter */
@@ -6011,6 +6011,22 @@ static bool drm_dp_mst_is_virtual_dpcd(struct drm_dp_mst_port *port)
 }
 
 /**
+ * drm_dp_mst_aux_for_parent() - Get the AUX device for an MST port's parent
+ * @port: MST port whose parent's AUX device is returned
+ *
+ * Return the AUX device for @port's parent or NULL if port's parent is the
+ * root port.
+ */
+struct drm_dp_aux *drm_dp_mst_aux_for_parent(struct drm_dp_mst_port *port)
+{
+	if (!port->parent || !port->parent->port_parent)
+		return NULL;
+
+	return &port->parent->port_parent->aux;
+}
+EXPORT_SYMBOL(drm_dp_mst_aux_for_parent);
+
+/**
  * drm_dp_mst_dsc_aux_for_port() - Find the correct aux for DSC
  * @port: The port to check. A leaf of the MST tree with an attached display.
  *
diff --git a/drivers/gpu/drm/i915/display/bxt_dpio_phy_regs.h b/drivers/gpu/drm/i915/display/bxt_dpio_phy_regs.h
new file mode 100644
index 000000000000..275f4d9c3fb0
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/bxt_dpio_phy_regs.h
@@ -0,0 +1,273 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __BXT_DPIO_PHY_REGS_H__
+#define __BXT_DPIO_PHY_REGS_H__
+
+#include "intel_display_reg_defs.h"
+
+/* BXT PHY registers */
+#define _BXT_PHY0_BASE			0x6C000
+#define _BXT_PHY1_BASE			0x162000
+#define _BXT_PHY2_BASE			0x163000
+#define BXT_PHY_BASE(phy) \
+	 _PICK_EVEN_2RANGES(phy, 1, \
+			    _BXT_PHY0_BASE, _BXT_PHY0_BASE, \
+			    _BXT_PHY1_BASE, _BXT_PHY2_BASE)
+
+#define _BXT_PHY(phy, reg) \
+	_MMIO(BXT_PHY_BASE(phy) - _BXT_PHY0_BASE + (reg))
+
+#define _BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) \
+	(BXT_PHY_BASE(phy) + _PIPE((ch), (reg_ch0) - _BXT_PHY0_BASE, \
+					 (reg_ch1) - _BXT_PHY0_BASE))
+#define _MMIO_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) \
+	_MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1))
+#define _BXT_LANE_OFFSET(lane)           (((lane) >> 1) * 0x200 + \
+					  ((lane) & 1) * 0x80)
+#define _MMIO_BXT_PHY_CH_LN(phy, ch, lane, reg_ch0, reg_ch1) \
+	_MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) + _BXT_LANE_OFFSET(lane))
+
+/* BXT PHY PLL registers */
+#define _PORT_PLL_A			0x46074
+#define _PORT_PLL_B			0x46078
+#define _PORT_PLL_C			0x4607c
+#define   PORT_PLL_ENABLE		REG_BIT(31)
+#define   PORT_PLL_LOCK			REG_BIT(30)
+#define   PORT_PLL_REF_SEL		REG_BIT(27)
+#define   PORT_PLL_POWER_ENABLE		REG_BIT(26)
+#define   PORT_PLL_POWER_STATE		REG_BIT(25)
+#define BXT_PORT_PLL_ENABLE(port)	_MMIO_PORT(port, _PORT_PLL_A, _PORT_PLL_B)
+
+#define _PORT_PLL_EBB_0_A		0x162034
+#define _PORT_PLL_EBB_0_B		0x6C034
+#define _PORT_PLL_EBB_0_C		0x6C340
+#define   PORT_PLL_P1_MASK		REG_GENMASK(15, 13)
+#define   PORT_PLL_P1(p1)		REG_FIELD_PREP(PORT_PLL_P1_MASK, (p1))
+#define   PORT_PLL_P2_MASK		REG_GENMASK(12, 8)
+#define   PORT_PLL_P2(p2)		REG_FIELD_PREP(PORT_PLL_P2_MASK, (p2))
+#define BXT_PORT_PLL_EBB_0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PLL_EBB_0_B, \
+							 _PORT_PLL_EBB_0_C)
+
+#define _PORT_PLL_EBB_4_A		0x162038
+#define _PORT_PLL_EBB_4_B		0x6C038
+#define _PORT_PLL_EBB_4_C		0x6C344
+#define   PORT_PLL_RECALIBRATE		REG_BIT(14)
+#define   PORT_PLL_10BIT_CLK_ENABLE	REG_BIT(13)
+#define BXT_PORT_PLL_EBB_4(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PLL_EBB_4_B, \
+							 _PORT_PLL_EBB_4_C)
+
+#define _PORT_PLL_0_A			0x162100
+#define _PORT_PLL_0_B			0x6C100
+#define _PORT_PLL_0_C			0x6C380
+/* PORT_PLL_0_A */
+#define   PORT_PLL_M2_INT_MASK		REG_GENMASK(7, 0)
+#define   PORT_PLL_M2_INT(m2_int)	REG_FIELD_PREP(PORT_PLL_M2_INT_MASK, (m2_int))
+/* PORT_PLL_1_A */
+#define   PORT_PLL_N_MASK		REG_GENMASK(11, 8)
+#define   PORT_PLL_N(n)			REG_FIELD_PREP(PORT_PLL_N_MASK, (n))
+/* PORT_PLL_2_A */
+#define   PORT_PLL_M2_FRAC_MASK		REG_GENMASK(21, 0)
+#define   PORT_PLL_M2_FRAC(m2_frac)	REG_FIELD_PREP(PORT_PLL_M2_FRAC_MASK, (m2_frac))
+/* PORT_PLL_3_A */
+#define   PORT_PLL_M2_FRAC_ENABLE	REG_BIT(16)
+/* PORT_PLL_6_A */
+#define   PORT_PLL_GAIN_CTL_MASK	REG_GENMASK(18, 16)
+#define   PORT_PLL_GAIN_CTL(x)		REG_FIELD_PREP(PORT_PLL_GAIN_CTL_MASK, (x))
+#define   PORT_PLL_INT_COEFF_MASK	REG_GENMASK(12, 8)
+#define   PORT_PLL_INT_COEFF(x)		REG_FIELD_PREP(PORT_PLL_INT_COEFF_MASK, (x))
+#define   PORT_PLL_PROP_COEFF_MASK	REG_GENMASK(3, 0)
+#define   PORT_PLL_PROP_COEFF(x)	REG_FIELD_PREP(PORT_PLL_PROP_COEFF_MASK, (x))
+/* PORT_PLL_8_A */
+#define   PORT_PLL_TARGET_CNT_MASK	REG_GENMASK(9, 0)
+#define   PORT_PLL_TARGET_CNT(x)	REG_FIELD_PREP(PORT_PLL_TARGET_CNT_MASK, (x))
+/* PORT_PLL_9_A */
+#define  PORT_PLL_LOCK_THRESHOLD_MASK	REG_GENMASK(3, 1)
+#define  PORT_PLL_LOCK_THRESHOLD(x)	REG_FIELD_PREP(PORT_PLL_LOCK_THRESHOLD_MASK, (x))
+/* PORT_PLL_10_A */
+#define  PORT_PLL_DCO_AMP_OVR_EN_H	REG_BIT(27)
+#define  PORT_PLL_DCO_AMP_MASK		REG_GENMASK(13, 10)
+#define  PORT_PLL_DCO_AMP(x)		REG_FIELD_PREP(PORT_PLL_DCO_AMP_MASK, (x))
+#define _PORT_PLL_BASE(phy, ch)		_BXT_PHY_CH(phy, ch, \
+						    _PORT_PLL_0_B, \
+						    _PORT_PLL_0_C)
+#define BXT_PORT_PLL(phy, ch, idx)	_MMIO(_PORT_PLL_BASE(phy, ch) + \
+					      (idx) * 4)
+
+/* BXT PHY common lane registers */
+#define _PORT_CL1CM_DW0_A		0x162000
+#define _PORT_CL1CM_DW0_BC		0x6C000
+#define   PHY_POWER_GOOD		REG_BIT(16)
+#define   PHY_RESERVED			REG_BIT(7)
+#define BXT_PORT_CL1CM_DW0(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW0_BC)
+
+#define _PORT_CL1CM_DW9_A		0x162024
+#define _PORT_CL1CM_DW9_BC		0x6C024
+#define   IREF0RC_OFFSET_MASK		REG_GENMASK(15, 8)
+#define   IREF0RC_OFFSET(x)		REG_FIELD_PREP(IREF0RC_OFFSET_MASK, (x))
+#define BXT_PORT_CL1CM_DW9(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW9_BC)
+
+#define _PORT_CL1CM_DW10_A		0x162028
+#define _PORT_CL1CM_DW10_BC		0x6C028
+#define   IREF1RC_OFFSET_MASK		REG_GENMASK(15, 8)
+#define   IREF1RC_OFFSET(x)		REG_FIELD_PREP(IREF1RC_OFFSET_MASK, (x))
+#define BXT_PORT_CL1CM_DW10(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW10_BC)
+
+#define _PORT_CL1CM_DW28_A		0x162070
+#define _PORT_CL1CM_DW28_BC		0x6C070
+#define   OCL1_POWER_DOWN_EN		REG_BIT(23)
+#define   DW28_OLDO_DYN_PWR_DOWN_EN	REG_BIT(22)
+#define   SUS_CLK_CONFIG		REG_GENMASK(1, 0)
+#define BXT_PORT_CL1CM_DW28(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW28_BC)
+
+#define _PORT_CL1CM_DW30_A		0x162078
+#define _PORT_CL1CM_DW30_BC		0x6C078
+#define   OCL2_LDOFUSE_PWR_DIS		REG_BIT(6)
+#define BXT_PORT_CL1CM_DW30(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW30_BC)
+
+/* The spec defines this only for BXT PHY0, but lets assume that this
+ * would exist for PHY1 too if it had a second channel.
+ */
+#define _PORT_CL2CM_DW6_A		0x162358
+#define _PORT_CL2CM_DW6_BC		0x6C358
+#define BXT_PORT_CL2CM_DW6(phy)		_BXT_PHY((phy), _PORT_CL2CM_DW6_BC)
+#define   DW6_OLDO_DYN_PWR_DOWN_EN	REG_BIT(28)
+
+/* BXT PHY Ref registers */
+#define _PORT_REF_DW3_A			0x16218C
+#define _PORT_REF_DW3_BC		0x6C18C
+#define   GRC_DONE			REG_BIT(22)
+#define BXT_PORT_REF_DW3(phy)		_BXT_PHY((phy), _PORT_REF_DW3_BC)
+
+#define _PORT_REF_DW6_A			0x162198
+#define _PORT_REF_DW6_BC		0x6C198
+#define   GRC_CODE_MASK			REG_GENMASK(31, 24)
+#define   GRC_CODE(x)			REG_FIELD_PREP(GRC_CODE_MASK, (x))
+#define   GRC_CODE_FAST_MASK		REG_GENMASK(23, 16)
+#define   GRC_CODE_FAST(x)		REG_FIELD_PREP(GRC_CODE_FAST_MASK, (x))
+#define   GRC_CODE_SLOW_MASK		REG_GENMASK(15, 8)
+#define   GRC_CODE_SLOW(x)		REG_FIELD_PREP(GRC_CODE_SLOW_MASK, (x))
+#define   GRC_CODE_NOM_MASK		REG_GENMASK(7, 0)
+#define   GRC_CODE_NOM(x)		REG_FIELD_PREP(GRC_CODE_NOM_MASK, (x))
+#define BXT_PORT_REF_DW6(phy)		_BXT_PHY((phy), _PORT_REF_DW6_BC)
+
+#define _PORT_REF_DW8_A			0x1621A0
+#define _PORT_REF_DW8_BC		0x6C1A0
+#define   GRC_DIS			REG_BIT(15)
+#define   GRC_RDY_OVRD			REG_BIT(1)
+#define BXT_PORT_REF_DW8(phy)		_BXT_PHY((phy), _PORT_REF_DW8_BC)
+
+/* BXT PHY PCS registers */
+#define _PORT_PCS_DW10_LN01_A		0x162428
+#define _PORT_PCS_DW10_LN01_B		0x6C428
+#define _PORT_PCS_DW10_LN01_C		0x6C828
+#define _PORT_PCS_DW10_GRP_A		0x162C28
+#define _PORT_PCS_DW10_GRP_B		0x6CC28
+#define _PORT_PCS_DW10_GRP_C		0x6CE28
+#define BXT_PORT_PCS_DW10_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW10_LN01_B, \
+							 _PORT_PCS_DW10_LN01_C)
+#define BXT_PORT_PCS_DW10_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW10_GRP_B, \
+							 _PORT_PCS_DW10_GRP_C)
+
+#define   TX2_SWING_CALC_INIT		REG_BIT(31)
+#define   TX1_SWING_CALC_INIT		REG_BIT(30)
+
+#define _PORT_PCS_DW12_LN01_A		0x162430
+#define _PORT_PCS_DW12_LN01_B		0x6C430
+#define _PORT_PCS_DW12_LN01_C		0x6C830
+#define _PORT_PCS_DW12_LN23_A		0x162630
+#define _PORT_PCS_DW12_LN23_B		0x6C630
+#define _PORT_PCS_DW12_LN23_C		0x6CA30
+#define _PORT_PCS_DW12_GRP_A		0x162c30
+#define _PORT_PCS_DW12_GRP_B		0x6CC30
+#define _PORT_PCS_DW12_GRP_C		0x6CE30
+#define   LANESTAGGER_STRAP_OVRD	REG_BIT(6)
+#define   LANE_STAGGER_MASK		REG_GENMASK(4, 0)
+#define BXT_PORT_PCS_DW12_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_LN01_B, \
+							 _PORT_PCS_DW12_LN01_C)
+#define BXT_PORT_PCS_DW12_LN23(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_LN23_B, \
+							 _PORT_PCS_DW12_LN23_C)
+#define BXT_PORT_PCS_DW12_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_PCS_DW12_GRP_B, \
+							 _PORT_PCS_DW12_GRP_C)
+
+/* BXT PHY TX registers */
+#define _PORT_TX_DW2_LN0_A		0x162508
+#define _PORT_TX_DW2_LN0_B		0x6C508
+#define _PORT_TX_DW2_LN0_C		0x6C908
+#define _PORT_TX_DW2_GRP_A		0x162D08
+#define _PORT_TX_DW2_GRP_B		0x6CD08
+#define _PORT_TX_DW2_GRP_C		0x6CF08
+#define BXT_PORT_TX_DW2_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW2_LN0_B,	\
+								    _PORT_TX_DW2_LN0_C)
+#define BXT_PORT_TX_DW2_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW2_GRP_B, \
+							 _PORT_TX_DW2_GRP_C)
+#define   MARGIN_000_MASK		REG_GENMASK(23, 16)
+#define   MARGIN_000(x)			REG_FIELD_PREP(MARGIN_000_MASK, (x))
+#define   UNIQ_TRANS_SCALE_MASK		REG_GENMASK(15, 8)
+#define   UNIQ_TRANS_SCALE(x)		REG_FIELD_PREP(UNIQ_TRANS_SCALE_MASK, (x))
+
+#define _PORT_TX_DW3_LN0_A		0x16250C
+#define _PORT_TX_DW3_LN0_B		0x6C50C
+#define _PORT_TX_DW3_LN0_C		0x6C90C
+#define _PORT_TX_DW3_GRP_A		0x162D0C
+#define _PORT_TX_DW3_GRP_B		0x6CD0C
+#define _PORT_TX_DW3_GRP_C		0x6CF0C
+#define BXT_PORT_TX_DW3_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW3_LN0_B, \
+								    _PORT_TX_DW3_LN0_C)
+#define BXT_PORT_TX_DW3_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW3_GRP_B, \
+							 _PORT_TX_DW3_GRP_C)
+#define   SCALE_DCOMP_METHOD		REG_BIT(26)
+#define   UNIQUE_TRANGE_EN_METHOD	REG_BIT(27)
+
+#define _PORT_TX_DW4_LN0_A		0x162510
+#define _PORT_TX_DW4_LN0_B		0x6C510
+#define _PORT_TX_DW4_LN0_C		0x6C910
+#define _PORT_TX_DW4_GRP_A		0x162D10
+#define _PORT_TX_DW4_GRP_B		0x6CD10
+#define _PORT_TX_DW4_GRP_C		0x6CF10
+#define BXT_PORT_TX_DW4_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW4_LN0_B, \
+								    _PORT_TX_DW4_LN0_C)
+#define BXT_PORT_TX_DW4_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW4_GRP_B, \
+							 _PORT_TX_DW4_GRP_C)
+#define   DE_EMPHASIS_MASK		REG_GENMASK(31, 24)
+#define   DE_EMPHASIS(x)		REG_FIELD_PREP(DE_EMPHASIS_MASK, (x))
+
+#define _PORT_TX_DW5_LN0_A		0x162514
+#define _PORT_TX_DW5_LN0_B		0x6C514
+#define _PORT_TX_DW5_LN0_C		0x6C914
+#define _PORT_TX_DW5_GRP_A		0x162D14
+#define _PORT_TX_DW5_GRP_B		0x6CD14
+#define _PORT_TX_DW5_GRP_C		0x6CF14
+#define BXT_PORT_TX_DW5_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW5_LN0_B, \
+								    _PORT_TX_DW5_LN0_C)
+#define BXT_PORT_TX_DW5_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
+							 _PORT_TX_DW5_GRP_B, \
+							 _PORT_TX_DW5_GRP_C)
+#define   DCC_DELAY_RANGE_1		REG_BIT(9)
+#define   DCC_DELAY_RANGE_2		REG_BIT(8)
+
+#define _PORT_TX_DW14_LN0_A		0x162538
+#define _PORT_TX_DW14_LN0_B		0x6C538
+#define _PORT_TX_DW14_LN0_C		0x6C938
+#define   LATENCY_OPTIM			REG_BIT(30)
+#define BXT_PORT_TX_DW14_LN(phy, ch, lane)	_MMIO_BXT_PHY_CH_LN(phy, ch, lane, \
+								    _PORT_TX_DW14_LN0_B, \
+								    _PORT_TX_DW14_LN0_C)
+
+#endif /* __BXT_DPIO_PHY_REGS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index 4d4330410b4d..071668bfe5d1 100644
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -83,16 +83,16 @@ static u32 scale_hw_to_user(struct intel_connector *connector,
 
 u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 val)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct intel_panel *panel = &connector->panel;
 
-	drm_WARN_ON(&i915->drm, panel->backlight.pwm_level_max == 0);
+	drm_WARN_ON(display->drm, panel->backlight.pwm_level_max == 0);
 
-	if (i915->display.params.invert_brightness < 0)
+	if (display->params.invert_brightness < 0)
 		return val;
 
-	if (i915->display.params.invert_brightness > 0 ||
-	    intel_has_quirk(i915, QUIRK_INVERT_BRIGHTNESS)) {
+	if (display->params.invert_brightness > 0 ||
+	    intel_has_quirk(display, QUIRK_INVERT_BRIGHTNESS)) {
 		return panel->backlight.pwm_level_max - val + panel->backlight.pwm_level_min;
 	}
 
@@ -126,15 +126,15 @@ u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 val)
 
 u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct intel_panel *panel = &connector->panel;
 
-	drm_WARN_ON_ONCE(&i915->drm,
+	drm_WARN_ON_ONCE(display->drm,
 			 panel->backlight.max == 0 || panel->backlight.pwm_level_max == 0);
 
-	if (i915->display.params.invert_brightness > 0 ||
-	    (i915->display.params.invert_brightness == 0 &&
-	     intel_has_quirk(i915, QUIRK_INVERT_BRIGHTNESS)))
+	if (display->params.invert_brightness > 0 ||
+	    (display->params.invert_brightness == 0 &&
+	     intel_has_quirk(display, QUIRK_INVERT_BRIGHTNESS)))
 		val = panel->backlight.pwm_level_max - (val - panel->backlight.pwm_level_min);
 
 	return scale(val, panel->backlight.pwm_level_min, panel->backlight.pwm_level_max,
@@ -1642,17 +1642,17 @@ void intel_backlight_update(struct intel_atomic_state *state,
 
 int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct intel_panel *panel = &connector->panel;
 	int ret;
 
 	if (!connector->panel.vbt.backlight.present) {
-		if (intel_has_quirk(i915, QUIRK_BACKLIGHT_PRESENT)) {
-			drm_dbg_kms(&i915->drm,
+		if (intel_has_quirk(display, QUIRK_BACKLIGHT_PRESENT)) {
+			drm_dbg_kms(display->drm,
 				    "[CONNECTOR:%d:%s] no backlight present per VBT, but present per quirk\n",
 				    connector->base.base.id, connector->base.name);
 		} else {
-			drm_dbg_kms(&i915->drm,
+			drm_dbg_kms(display->drm,
 				    "[CONNECTOR:%d:%s] no backlight present per VBT\n",
 				    connector->base.base.id, connector->base.name);
 			return 0;
@@ -1660,16 +1660,16 @@ int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)
 	}
 
 	/* ensure intel_panel has been initialized first */
-	if (drm_WARN_ON(&i915->drm, !panel->backlight.funcs))
+	if (drm_WARN_ON(display->drm, !panel->backlight.funcs))
 		return -ENODEV;
 
 	/* set level and max in panel struct */
-	mutex_lock(&i915->display.backlight.lock);
+	mutex_lock(&display->backlight.lock);
 	ret = panel->backlight.funcs->setup(connector, pipe);
-	mutex_unlock(&i915->display.backlight.lock);
+	mutex_unlock(&display->backlight.lock);
 
 	if (ret) {
-		drm_dbg_kms(&i915->drm,
+		drm_dbg_kms(display->drm,
 			    "[CONNECTOR:%d:%s] failed to setup backlight\n",
 			    connector->base.base.id, connector->base.name);
 		return ret;
@@ -1677,7 +1677,7 @@ int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)
 
 	panel->backlight.present = true;
 
-	drm_dbg_kms(&i915->drm,
+	drm_dbg_kms(display->drm,
 		    "[CONNECTOR:%d:%s] backlight initialized, %s, brightness %u/%u\n",
 		    connector->base.base.id, connector->base.name,
 		    str_enabled_disabled(panel->backlight.enabled),
@@ -1821,7 +1821,7 @@ void intel_backlight_init_funcs(struct intel_panel *panel)
 		if (intel_dp_aux_init_backlight_funcs(connector) == 0)
 			return;
 
-		if (!intel_has_quirk(i915, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK))
+		if (!intel_has_quirk(&i915->display, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK))
 			connector->panel.backlight.power = intel_pps_backlight_power;
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 7f2a50b4f494..972ea887e232 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -162,7 +162,9 @@ int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
 				1);
 
 	if (ret < 0) {
-		drm_err(&dev_priv->drm, "Failed to disable qgv points (%d) points: 0x%x\n", ret, points_mask);
+		drm_err(&dev_priv->drm,
+			"Failed to disable qgv points (0x%x) points: 0x%x\n",
+			ret, points_mask);
 		return ret;
 	}
 
@@ -290,8 +292,10 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
 		struct intel_qgv_point *sp = &qi->points[i];
 
 		ret = intel_read_qgv_point_info(dev_priv, sp, i);
-		if (ret)
+		if (ret) {
+			drm_dbg_kms(&dev_priv->drm, "Could not read QGV %d info\n", i);
 			return ret;
+		}
 
 		drm_dbg_kms(&dev_priv->drm,
 			    "QGV %d: DCLK=%d tRP=%d tRDPRE=%d tRAS=%d tRCD=%d tRC=%d\n",
@@ -659,6 +663,22 @@ static unsigned int adl_psf_bw(struct drm_i915_private *dev_priv,
 	return bi->psf_bw[psf_gv_point];
 }
 
+static unsigned int icl_qgv_bw(struct drm_i915_private *i915,
+			       int num_active_planes, int qgv_point)
+{
+	unsigned int idx;
+
+	if (DISPLAY_VER(i915) >= 12)
+		idx = tgl_max_bw_index(i915, num_active_planes, qgv_point);
+	else
+		idx = icl_max_bw_index(i915, num_active_planes, qgv_point);
+
+	if (idx >= ARRAY_SIZE(i915->display.bw.max))
+		return 0;
+
+	return i915->display.bw.max[idx].deratedbw[qgv_point];
+}
+
 void intel_bw_init_hw(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_DISPLAY(dev_priv))
@@ -735,6 +755,7 @@ void intel_bw_crtc_update(struct intel_bw_state *bw_state,
 		intel_bw_crtc_data_rate(crtc_state);
 	bw_state->num_active_planes[crtc->pipe] =
 		intel_bw_crtc_num_active_planes(crtc_state);
+	bw_state->force_check_qgv = true;
 
 	drm_dbg_kms(&i915->drm, "pipe %c data rate %u num active planes %u\n",
 		    pipe_name(crtc->pipe),
@@ -804,6 +825,80 @@ intel_atomic_get_bw_state(struct intel_atomic_state *state)
 	return to_intel_bw_state(bw_state);
 }
 
+static unsigned int icl_max_bw_qgv_point_mask(struct drm_i915_private *i915,
+					      int num_active_planes)
+{
+	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
+	unsigned int max_bw_point = 0;
+	unsigned int max_bw = 0;
+	int i;
+
+	for (i = 0; i < num_qgv_points; i++) {
+		unsigned int max_data_rate =
+			icl_qgv_bw(i915, num_active_planes, i);
+
+		/*
+		 * We need to know which qgv point gives us
+		 * maximum bandwidth in order to disable SAGV
+		 * if we find that we exceed SAGV block time
+		 * with watermarks. By that moment we already
+		 * have those, as it is calculated earlier in
+		 * intel_atomic_check,
+		 */
+		if (max_data_rate > max_bw) {
+			max_bw_point = BIT(i);
+			max_bw = max_data_rate;
+		}
+	}
+
+	return max_bw_point;
+}
+
+static u16 icl_prepare_qgv_points_mask(struct drm_i915_private *i915,
+				       unsigned int qgv_points,
+				       unsigned int psf_points)
+{
+	return ~(ICL_PCODE_REQ_QGV_PT(qgv_points) |
+		 ADLS_PCODE_REQ_PSF_PT(psf_points)) & icl_qgv_points_mask(i915);
+}
+
+static unsigned int icl_max_bw_psf_gv_point_mask(struct drm_i915_private *i915)
+{
+	unsigned int num_psf_gv_points = i915->display.bw.max[0].num_psf_gv_points;
+	unsigned int max_bw_point_mask = 0;
+	unsigned int max_bw = 0;
+	int i;
+
+	for (i = 0; i < num_psf_gv_points; i++) {
+		unsigned int max_data_rate = adl_psf_bw(i915, i);
+
+		if (max_data_rate > max_bw) {
+			max_bw_point_mask = BIT(i);
+			max_bw = max_data_rate;
+		} else if (max_data_rate == max_bw) {
+			max_bw_point_mask |= BIT(i);
+		}
+	}
+
+	return max_bw_point_mask;
+}
+
+static void icl_force_disable_sagv(struct drm_i915_private *i915,
+				   struct intel_bw_state *bw_state)
+{
+	unsigned int qgv_points = icl_max_bw_qgv_point_mask(i915, 0);
+	unsigned int psf_points = icl_max_bw_psf_gv_point_mask(i915);
+
+	bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(i915,
+								qgv_points,
+								psf_points);
+
+	drm_dbg_kms(&i915->drm, "Forcing SAGV disable: mask 0x%x\n",
+		    bw_state->qgv_points_mask);
+
+	icl_pcode_restrict_qgv_points(i915, bw_state->qgv_points_mask);
+}
+
 static int mtl_find_qgv_points(struct drm_i915_private *i915,
 			       unsigned int data_rate,
 			       unsigned int num_active_planes,
@@ -881,8 +976,6 @@ static int icl_find_qgv_points(struct drm_i915_private *i915,
 			       const struct intel_bw_state *old_bw_state,
 			       struct intel_bw_state *new_bw_state)
 {
-	unsigned int max_bw_point = 0;
-	unsigned int max_bw = 0;
 	unsigned int num_psf_gv_points = i915->display.bw.max[0].num_psf_gv_points;
 	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
 	u16 psf_points = 0;
@@ -895,31 +988,8 @@ static int icl_find_qgv_points(struct drm_i915_private *i915,
 		return ret;
 
 	for (i = 0; i < num_qgv_points; i++) {
-		unsigned int idx;
-		unsigned int max_data_rate;
-
-		if (DISPLAY_VER(i915) >= 12)
-			idx = tgl_max_bw_index(i915, num_active_planes, i);
-		else
-			idx = icl_max_bw_index(i915, num_active_planes, i);
-
-		if (idx >= ARRAY_SIZE(i915->display.bw.max))
-			continue;
-
-		max_data_rate = i915->display.bw.max[idx].deratedbw[i];
-
-		/*
-		 * We need to know which qgv point gives us
-		 * maximum bandwidth in order to disable SAGV
-		 * if we find that we exceed SAGV block time
-		 * with watermarks. By that moment we already
-		 * have those, as it is calculated earlier in
-		 * intel_atomic_check,
-		 */
-		if (max_data_rate > max_bw) {
-			max_bw_point = i;
-			max_bw = max_data_rate;
-		}
+		unsigned int max_data_rate = icl_qgv_bw(i915,
+							num_active_planes, i);
 		if (max_data_rate >= data_rate)
 			qgv_points |= BIT(i);
 
@@ -963,20 +1033,18 @@ static int icl_find_qgv_points(struct drm_i915_private *i915,
 	 * cause.
 	 */
 	if (!intel_can_enable_sagv(i915, new_bw_state)) {
-		qgv_points = BIT(max_bw_point);
-		drm_dbg_kms(&i915->drm, "No SAGV, using single QGV point %d\n",
-			    max_bw_point);
+		qgv_points = icl_max_bw_qgv_point_mask(i915, num_active_planes);
+		drm_dbg_kms(&i915->drm, "No SAGV, using single QGV point mask 0x%x\n",
+			    qgv_points);
 	}
 
 	/*
 	 * We store the ones which need to be masked as that is what PCode
 	 * actually accepts as a parameter.
 	 */
-	new_bw_state->qgv_points_mask =
-		~(ICL_PCODE_REQ_QGV_PT(qgv_points) |
-		  ADLS_PCODE_REQ_PSF_PT(psf_points)) &
-		icl_qgv_points_mask(i915);
-
+	new_bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(i915,
+								    qgv_points,
+								    psf_points);
 	/*
 	 * If the actual mask had changed we need to make sure that
 	 * the commits are serialized(in case this is a nomodeset, nonblocking)
@@ -1272,8 +1340,9 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
 	new_bw_state = intel_atomic_get_new_bw_state(state);
 
 	if (new_bw_state &&
-	    intel_can_enable_sagv(i915, old_bw_state) !=
-	    intel_can_enable_sagv(i915, new_bw_state))
+	    (intel_can_enable_sagv(i915, old_bw_state) !=
+	     intel_can_enable_sagv(i915, new_bw_state) ||
+	     new_bw_state->force_check_qgv))
 		changed = true;
 
 	/*
@@ -1287,6 +1356,8 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
 	if (ret)
 		return ret;
 
+	new_bw_state->force_check_qgv = false;
+
 	return 0;
 }
 
@@ -1313,7 +1384,7 @@ static const struct intel_global_state_funcs intel_bw_funcs = {
 	.atomic_destroy_state = intel_bw_destroy_state,
 };
 
-int intel_bw_init(struct drm_i915_private *dev_priv)
+int intel_bw_init(struct drm_i915_private *i915)
 {
 	struct intel_bw_state *state;
 
@@ -1321,8 +1392,15 @@ int intel_bw_init(struct drm_i915_private *dev_priv)
 	if (!state)
 		return -ENOMEM;
 
-	intel_atomic_global_obj_init(dev_priv, &dev_priv->display.bw.obj,
+	intel_atomic_global_obj_init(i915, &i915->display.bw.obj,
 				     &state->base, &intel_bw_funcs);
 
+	/*
+	 * Limit this only if we have SAGV. And for Display version 14 onwards
+	 * sagv is handled though pmdemand requests
+	 */
+	if (intel_has_sagv(i915) && IS_DISPLAY_VER(i915, 11, 13))
+		icl_force_disable_sagv(i915, state);
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
index fa1e924ec961..161813cca473 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.h
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -47,6 +47,12 @@ struct intel_bw_state {
 	 */
 	u16 qgv_points_mask;
 
+	/*
+	 * Flag to force the QGV comparison in atomic check right after the
+	 * hw state readout
+	 */
+	bool force_check_qgv;
+
 	int min_cdclk[I915_MAX_PIPES];
 	unsigned int data_rate[I915_MAX_PIPES];
 	u8 num_active_planes[I915_MAX_PIPES];
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index a2c4bf33155f..8e3b13884bb8 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1827,7 +1827,7 @@ static void intel_c10pll_update_pll(struct intel_crtc_state *crtc_state,
 				    struct intel_encoder *encoder)
 {
 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
-	struct intel_cx0pll_state *pll_state = &crtc_state->cx0pll_state;
+	struct intel_cx0pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll;
 	int i;
 
 	if (intel_crtc_has_dp_encoder(crtc_state)) {
@@ -1859,7 +1859,7 @@ static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state,
 
 	for (i = 0; tables[i]; i++) {
 		if (crtc_state->port_clock == tables[i]->clock) {
-			crtc_state->cx0pll_state.c10 = *tables[i];
+			crtc_state->dpll_hw_state.cx0pll.c10 = *tables[i];
 			intel_c10pll_update_pll(crtc_state, encoder);
 
 			return 0;
@@ -1899,7 +1899,7 @@ static void intel_c10_pll_program(struct drm_i915_private *i915,
 				  const struct intel_crtc_state *crtc_state,
 				  struct intel_encoder *encoder)
 {
-	const struct intel_c10pll_state *pll_state = &crtc_state->cx0pll_state.c10;
+	const struct intel_c10pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll.c10;
 	int i;
 
 	intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CONTROL(1),
@@ -2079,7 +2079,7 @@ static int intel_c20pll_calc_state(struct intel_crtc_state *crtc_state,
 	/* try computed C20 HDMI tables before using consolidated tables */
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
 		if (intel_c20_compute_hdmi_tmds_pll(crtc_state->port_clock,
-						    &crtc_state->cx0pll_state.c20) == 0)
+						    &crtc_state->dpll_hw_state.cx0pll.c20) == 0)
 			return 0;
 	}
 
@@ -2089,7 +2089,7 @@ static int intel_c20pll_calc_state(struct intel_crtc_state *crtc_state,
 
 	for (i = 0; tables[i]; i++) {
 		if (crtc_state->port_clock == tables[i]->clock) {
-			crtc_state->cx0pll_state.c20 = *tables[i];
+			crtc_state->dpll_hw_state.cx0pll.c20 = *tables[i];
 			return 0;
 		}
 	}
@@ -2335,7 +2335,7 @@ static void intel_c20_pll_program(struct drm_i915_private *i915,
 				  const struct intel_crtc_state *crtc_state,
 				  struct intel_encoder *encoder)
 {
-	const struct intel_c20pll_state *pll_state = &crtc_state->cx0pll_state.c20;
+	const struct intel_c20pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll.c20;
 	bool dp = false;
 	int lane = crtc_state->lane_count > 2 ? INTEL_CX0_BOTH_LANES : INTEL_CX0_LANE0;
 	u32 clock = crtc_state->port_clock;
@@ -2484,9 +2484,9 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
 	/* TODO: HDMI FRL */
 	/* DP2.0 10G and 20G rates enable MPLLA*/
 	if (crtc_state->port_clock == 1000000 || crtc_state->port_clock == 2000000)
-		val |= crtc_state->cx0pll_state.ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
+		val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
 	else
-		val |= crtc_state->cx0pll_state.ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
+		val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
 
 	intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
 		     XELPDP_LANE1_PHY_CLOCK_SELECT | XELPDP_FORWARD_CLOCK_UNGATE |
@@ -3025,7 +3025,7 @@ static void intel_c10pll_state_verify(const struct intel_crtc_state *state,
 				      struct intel_c10pll_state *mpllb_hw_state)
 {
 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
-	const struct intel_c10pll_state *mpllb_sw_state = &state->cx0pll_state.c10;
+	const struct intel_c10pll_state *mpllb_sw_state = &state->dpll_hw_state.cx0pll.c10;
 	int i;
 
 	if (intel_crtc_needs_fastset(state))
@@ -3075,7 +3075,7 @@ static void intel_c20pll_state_verify(const struct intel_crtc_state *state,
 				      struct intel_c20pll_state *mpll_hw_state)
 {
 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
-	const struct intel_c20pll_state *mpll_sw_state = &state->cx0pll_state.c20;
+	const struct intel_c20pll_state *mpll_sw_state = &state->dpll_hw_state.cx0pll.c20;
 	bool sw_use_mpllb = intel_c20phy_use_mpllb(mpll_sw_state);
 	bool hw_use_mpllb = intel_c20phy_use_mpllb(mpll_hw_state);
 	int i;
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 3255d4e375af..3c3fc53376ce 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -631,6 +631,7 @@ intel_ddi_config_transcoder_func(struct intel_encoder *encoder,
 
 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
 {
+	struct intel_display *display = to_intel_display(crtc_state);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
@@ -661,10 +662,9 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state
 
 	intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
 
-	if (intel_has_quirk(dev_priv, QUIRK_INCREASE_DDI_DISABLED_TIME) &&
+	if (intel_has_quirk(display, QUIRK_INCREASE_DDI_DISABLED_TIME) &&
 	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
-		drm_dbg_kms(&dev_priv->drm,
-			    "Quirk Increase DDI disabled time\n");
+		drm_dbg_kms(display->drm, "Quirk Increase DDI disabled time\n");
 		/* Quirk time at 100ms for reliable operation */
 		msleep(100);
 	}
@@ -2336,10 +2336,15 @@ static void intel_ddi_power_up_lanes(struct intel_encoder *encoder,
 	}
 }
 
-/* Splitter enable for eDP MSO is limited to certain pipes. */
+/*
+ * Splitter enable for eDP MSO is limited to certain pipes, on certain
+ * platforms.
+ */
 static u8 intel_ddi_splitter_pipe_mask(struct drm_i915_private *i915)
 {
-	if (IS_ALDERLAKE_P(i915))
+	if (DISPLAY_VER(i915) > 20)
+		return ~0;
+	else if (IS_ALDERLAKE_P(i915))
 		return BIT(PIPE_A) | BIT(PIPE_B);
 	else
 		return BIT(PIPE_A);
@@ -3517,8 +3522,8 @@ intel_ddi_pre_pll_enable(struct intel_atomic_state *state,
 		 */
 		intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count);
 	else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
-		bxt_ddi_phy_set_lane_optim_mask(encoder,
-						crtc_state->lane_lat_optim_mask);
+		bxt_dpio_phy_set_lane_optim_mask(encoder,
+						 crtc_state->lane_lat_optim_mask);
 }
 
 static void adlp_tbt_to_dp_alt_switch_wa(struct intel_encoder *encoder)
@@ -3950,7 +3955,7 @@ static void intel_ddi_get_config(struct intel_encoder *encoder,
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
 		pipe_config->lane_lat_optim_mask =
-			bxt_ddi_phy_get_lane_lat_optim_mask(encoder);
+			bxt_dpio_phy_get_lane_lat_optim_mask(encoder);
 
 	intel_ddi_compute_min_voltage_level(pipe_config);
 
@@ -4011,8 +4016,8 @@ static void mtl_ddi_get_config(struct intel_encoder *encoder,
 	if (intel_tc_port_in_tbt_alt_mode(dig_port)) {
 		crtc_state->port_clock = intel_mtl_tbt_calc_port_clock(encoder);
 	} else {
-		intel_cx0pll_readout_hw_state(encoder, &crtc_state->cx0pll_state);
-		crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->cx0pll_state);
+		intel_cx0pll_readout_hw_state(encoder, &crtc_state->dpll_hw_state.cx0pll);
+		crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->dpll_hw_state.cx0pll);
 	}
 
 	intel_ddi_get_config(encoder, crtc_state);
@@ -4021,8 +4026,8 @@ static void mtl_ddi_get_config(struct intel_encoder *encoder,
 static void dg2_ddi_get_config(struct intel_encoder *encoder,
 				struct intel_crtc_state *crtc_state)
 {
-	intel_mpllb_readout_hw_state(encoder, &crtc_state->mpllb_state);
-	crtc_state->port_clock = intel_mpllb_calc_port_clock(encoder, &crtc_state->mpllb_state);
+	intel_mpllb_readout_hw_state(encoder, &crtc_state->dpll_hw_state.mpllb);
+	crtc_state->port_clock = intel_mpllb_calc_port_clock(encoder, &crtc_state->dpll_hw_state.mpllb);
 
 	intel_ddi_get_config(encoder, crtc_state);
 }
@@ -4227,7 +4232,7 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder,
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
 		pipe_config->lane_lat_optim_mask =
-			bxt_ddi_phy_calc_lane_lat_optim_mask(pipe_config->lane_count);
+			bxt_dpio_phy_calc_lane_lat_optim_mask(pipe_config->lane_count);
 
 	intel_ddi_compute_min_voltage_level(pipe_config);
 
@@ -5079,7 +5084,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv,
 		else
 			encoder->set_signal_levels = icl_mg_phy_set_signal_levels;
 	} else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
-		encoder->set_signal_levels = bxt_ddi_phy_set_signal_levels;
+		encoder->set_signal_levels = bxt_dpio_phy_set_signal_levels;
 	} else {
 		encoder->set_signal_levels = hsw_set_signal_levels;
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index 0a0fba81e7af..e881bfeafb47 100644
--- a/drivers/gpu/drm/i915/display/intel_de.h
+++ b/drivers/gpu/drm/i915/display/intel_de.h
@@ -10,161 +10,185 @@
 #include "i915_trace.h"
 #include "intel_uncore.h"
 
+static inline struct intel_uncore *__to_uncore(struct intel_display *display)
+{
+	return &to_i915(display->drm)->uncore;
+}
+
 static inline u32
-intel_de_read(struct drm_i915_private *i915, i915_reg_t reg)
+__intel_de_read(struct intel_display *display, i915_reg_t reg)
 {
 	u32 val;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	val = intel_uncore_read(&i915->uncore, reg);
+	val = intel_uncore_read(__to_uncore(display), reg);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return val;
 }
+#define intel_de_read(p,...) __intel_de_read(__to_intel_display(p), __VA_ARGS__)
 
 static inline u8
-intel_de_read8(struct drm_i915_private *i915, i915_reg_t reg)
+__intel_de_read8(struct intel_display *display, i915_reg_t reg)
 {
 	u8 val;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	val = intel_uncore_read8(&i915->uncore, reg);
+	val = intel_uncore_read8(__to_uncore(display), reg);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return val;
 }
+#define intel_de_read8(p,...) __intel_de_read8(__to_intel_display(p), __VA_ARGS__)
 
 static inline u64
-intel_de_read64_2x32(struct drm_i915_private *i915,
-		     i915_reg_t lower_reg, i915_reg_t upper_reg)
+__intel_de_read64_2x32(struct intel_display *display,
+		       i915_reg_t lower_reg, i915_reg_t upper_reg)
 {
 	u64 val;
 
-	intel_dmc_wl_get(i915, lower_reg);
-	intel_dmc_wl_get(i915, upper_reg);
+	intel_dmc_wl_get(display, lower_reg);
+	intel_dmc_wl_get(display, upper_reg);
 
-	val = intel_uncore_read64_2x32(&i915->uncore, lower_reg, upper_reg);
+	val = intel_uncore_read64_2x32(__to_uncore(display), lower_reg,
+				       upper_reg);
 
-	intel_dmc_wl_put(i915, upper_reg);
-	intel_dmc_wl_put(i915, lower_reg);
+	intel_dmc_wl_put(display, upper_reg);
+	intel_dmc_wl_put(display, lower_reg);
 
 	return val;
 }
+#define intel_de_read64_2x32(p,...) __intel_de_read64_2x32(__to_intel_display(p), __VA_ARGS__)
 
 static inline void
-intel_de_posting_read(struct drm_i915_private *i915, i915_reg_t reg)
+__intel_de_posting_read(struct intel_display *display, i915_reg_t reg)
 {
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	intel_uncore_posting_read(&i915->uncore, reg);
+	intel_uncore_posting_read(__to_uncore(display), reg);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 }
+#define intel_de_posting_read(p,...) __intel_de_posting_read(__to_intel_display(p), __VA_ARGS__)
 
 static inline void
-intel_de_write(struct drm_i915_private *i915, i915_reg_t reg, u32 val)
+__intel_de_write(struct intel_display *display, i915_reg_t reg, u32 val)
 {
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	intel_uncore_write(&i915->uncore, reg, val);
+	intel_uncore_write(__to_uncore(display), reg, val);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 }
+#define intel_de_write(p,...) __intel_de_write(__to_intel_display(p), __VA_ARGS__)
 
 static inline u32
-__intel_de_rmw_nowl(struct drm_i915_private *i915, i915_reg_t reg,
-		    u32 clear, u32 set)
+____intel_de_rmw_nowl(struct intel_display *display, i915_reg_t reg,
+		      u32 clear, u32 set)
 {
-	return intel_uncore_rmw(&i915->uncore, reg, clear, set);
+	return intel_uncore_rmw(__to_uncore(display), reg, clear, set);
 }
+#define __intel_de_rmw_nowl(p,...) ____intel_de_rmw_nowl(__to_intel_display(p), __VA_ARGS__)
 
 static inline u32
-intel_de_rmw(struct drm_i915_private *i915, i915_reg_t reg, u32 clear, u32 set)
+__intel_de_rmw(struct intel_display *display, i915_reg_t reg, u32 clear,
+	       u32 set)
 {
 	u32 val;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	val = __intel_de_rmw_nowl(i915, reg, clear, set);
+	val = __intel_de_rmw_nowl(display, reg, clear, set);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return val;
 }
+#define intel_de_rmw(p,...) __intel_de_rmw(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-__intel_wait_for_register_nowl(struct drm_i915_private *i915, i915_reg_t reg,
-			       u32 mask, u32 value, unsigned int timeout)
+____intel_de_wait_for_register_nowl(struct intel_display *display,
+				    i915_reg_t reg,
+				    u32 mask, u32 value, unsigned int timeout)
 {
-	return intel_wait_for_register(&i915->uncore, reg, mask,
+	return intel_wait_for_register(__to_uncore(display), reg, mask,
 				       value, timeout);
 }
+#define __intel_de_wait_for_register_nowl(p,...) ____intel_de_wait_for_register_nowl(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-intel_de_wait(struct drm_i915_private *i915, i915_reg_t reg,
-	      u32 mask, u32 value, unsigned int timeout)
+__intel_de_wait(struct intel_display *display, i915_reg_t reg,
+		u32 mask, u32 value, unsigned int timeout)
 {
 	int ret;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	ret = __intel_wait_for_register_nowl(i915, reg, mask, value, timeout);
+	ret = __intel_de_wait_for_register_nowl(display, reg, mask, value,
+						timeout);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return ret;
 }
+#define intel_de_wait(p,...) __intel_de_wait(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-intel_de_wait_fw(struct drm_i915_private *i915, i915_reg_t reg,
-		 u32 mask, u32 value, unsigned int timeout)
+__intel_de_wait_fw(struct intel_display *display, i915_reg_t reg,
+		   u32 mask, u32 value, unsigned int timeout)
 {
 	int ret;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	ret = intel_wait_for_register_fw(&i915->uncore, reg, mask, value, timeout);
+	ret = intel_wait_for_register_fw(__to_uncore(display), reg, mask,
+					 value, timeout);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return ret;
 }
+#define intel_de_wait_fw(p,...) __intel_de_wait_fw(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-intel_de_wait_custom(struct drm_i915_private *i915, i915_reg_t reg,
-		     u32 mask, u32 value,
-		     unsigned int fast_timeout_us,
-		     unsigned int slow_timeout_ms, u32 *out_value)
+__intel_de_wait_custom(struct intel_display *display, i915_reg_t reg,
+		       u32 mask, u32 value,
+		       unsigned int fast_timeout_us,
+		       unsigned int slow_timeout_ms, u32 *out_value)
 {
 	int ret;
 
-	intel_dmc_wl_get(i915, reg);
+	intel_dmc_wl_get(display, reg);
 
-	ret = __intel_wait_for_register(&i915->uncore, reg, mask, value,
+	ret = __intel_wait_for_register(__to_uncore(display), reg, mask,
+					value,
 					fast_timeout_us, slow_timeout_ms, out_value);
 
-	intel_dmc_wl_put(i915, reg);
+	intel_dmc_wl_put(display, reg);
 
 	return ret;
 }
+#define intel_de_wait_custom(p,...) __intel_de_wait_custom(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-intel_de_wait_for_set(struct drm_i915_private *i915, i915_reg_t reg,
-		      u32 mask, unsigned int timeout)
+__intel_de_wait_for_set(struct intel_display *display, i915_reg_t reg,
+			u32 mask, unsigned int timeout)
 {
-	return intel_de_wait(i915, reg, mask, mask, timeout);
+	return intel_de_wait(display, reg, mask, mask, timeout);
 }
+#define intel_de_wait_for_set(p,...) __intel_de_wait_for_set(__to_intel_display(p), __VA_ARGS__)
 
 static inline int
-intel_de_wait_for_clear(struct drm_i915_private *i915, i915_reg_t reg,
-			u32 mask, unsigned int timeout)
+__intel_de_wait_for_clear(struct intel_display *display, i915_reg_t reg,
+			  u32 mask, unsigned int timeout)
 {
-	return intel_de_wait(i915, reg, mask, 0, timeout);
+	return intel_de_wait(display, reg, mask, 0, timeout);
 }
+#define intel_de_wait_for_clear(p,...) __intel_de_wait_for_clear(__to_intel_display(p), __VA_ARGS__)
 
 /*
  * Unlocked mmio-accessors, think carefully before using these.
@@ -175,33 +199,38 @@ intel_de_wait_for_clear(struct drm_i915_private *i915, i915_reg_t reg,
  * a more localised lock guarding all access to that bank of registers.
  */
 static inline u32
-intel_de_read_fw(struct drm_i915_private *i915, i915_reg_t reg)
+__intel_de_read_fw(struct intel_display *display, i915_reg_t reg)
 {
 	u32 val;
 
-	val = intel_uncore_read_fw(&i915->uncore, reg);
+	val = intel_uncore_read_fw(__to_uncore(display), reg);
 	trace_i915_reg_rw(false, reg, val, sizeof(val), true);
 
 	return val;
 }
+#define intel_de_read_fw(p,...) __intel_de_read_fw(__to_intel_display(p), __VA_ARGS__)
 
 static inline void
-intel_de_write_fw(struct drm_i915_private *i915, i915_reg_t reg, u32 val)
+__intel_de_write_fw(struct intel_display *display, i915_reg_t reg, u32 val)
 {
 	trace_i915_reg_rw(true, reg, val, sizeof(val), true);
-	intel_uncore_write_fw(&i915->uncore, reg, val);
+	intel_uncore_write_fw(__to_uncore(display), reg, val);
 }
+#define intel_de_write_fw(p,...) __intel_de_write_fw(__to_intel_display(p), __VA_ARGS__)
 
 static inline u32
-intel_de_read_notrace(struct drm_i915_private *i915, i915_reg_t reg)
+__intel_de_read_notrace(struct intel_display *display, i915_reg_t reg)
 {
-	return intel_uncore_read_notrace(&i915->uncore, reg);
+	return intel_uncore_read_notrace(__to_uncore(display), reg);
 }
+#define intel_de_read_notrace(p,...) __intel_de_read_notrace(__to_intel_display(p), __VA_ARGS__)
 
 static inline void
-intel_de_write_notrace(struct drm_i915_private *i915, i915_reg_t reg, u32 val)
+__intel_de_write_notrace(struct intel_display *display, i915_reg_t reg,
+			 u32 val)
 {
-	intel_uncore_write_notrace(&i915->uncore, reg, val);
+	intel_uncore_write_notrace(__to_uncore(display), reg, val);
 }
+#define intel_de_write_notrace(p,...) __intel_de_write_notrace(__to_intel_display(p), __VA_ARGS__)
 
 #endif /* __INTEL_DE_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index a92b67adee9c..b9434465d3a7 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3071,19 +3071,16 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 
 	i9xx_get_pfit_config(pipe_config);
 
+	i9xx_dpll_get_hw_state(crtc, &pipe_config->dpll_hw_state);
+
 	if (DISPLAY_VER(dev_priv) >= 4) {
-		/* No way to read it out on pipes B and C */
-		if (IS_CHERRYVIEW(dev_priv) && crtc->pipe != PIPE_A)
-			tmp = dev_priv->display.state.chv_dpll_md[crtc->pipe];
-		else
-			tmp = intel_de_read(dev_priv, DPLL_MD(crtc->pipe));
+		tmp = pipe_config->dpll_hw_state.i9xx.dpll_md;
 		pipe_config->pixel_multiplier =
 			((tmp & DPLL_MD_UDI_MULTIPLIER_MASK)
 			 >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1;
-		pipe_config->dpll_hw_state.dpll_md = tmp;
 	} else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) ||
 		   IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) {
-		tmp = intel_de_read(dev_priv, DPLL(crtc->pipe));
+		tmp = pipe_config->dpll_hw_state.i9xx.dpll;
 		pipe_config->pixel_multiplier =
 			((tmp & SDVO_MULTIPLIER_MASK)
 			 >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1;
@@ -3093,26 +3090,13 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 		 * function. */
 		pipe_config->pixel_multiplier = 1;
 	}
-	pipe_config->dpll_hw_state.dpll = intel_de_read(dev_priv,
-							DPLL(crtc->pipe));
-	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) {
-		pipe_config->dpll_hw_state.fp0 = intel_de_read(dev_priv,
-							       FP0(crtc->pipe));
-		pipe_config->dpll_hw_state.fp1 = intel_de_read(dev_priv,
-							       FP1(crtc->pipe));
-	} else {
-		/* Mask out read-only status bits. */
-		pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV |
-						     DPLL_PORTC_READY_MASK |
-						     DPLL_PORTB_READY_MASK);
-	}
 
 	if (IS_CHERRYVIEW(dev_priv))
-		chv_crtc_clock_get(crtc, pipe_config);
+		chv_crtc_clock_get(pipe_config);
 	else if (IS_VALLEYVIEW(dev_priv))
-		vlv_crtc_clock_get(crtc, pipe_config);
+		vlv_crtc_clock_get(pipe_config);
 	else
-		i9xx_crtc_clock_get(crtc, pipe_config);
+		i9xx_crtc_clock_get(pipe_config);
 
 	/*
 	 * Normally the dotclock is filled in by the encoder .get_config()
@@ -3738,8 +3722,8 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
 					 struct intel_crtc_state *pipe_config,
 					 struct intel_display_power_domain_set *power_domain_set)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum transcoder cpu_transcoder;
 	enum port port;
 	u32 tmp;
@@ -3765,11 +3749,11 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
 			break;
 
 		/* XXX: this works for video mode only */
-		tmp = intel_de_read(dev_priv, BXT_MIPI_PORT_CTRL(port));
+		tmp = intel_de_read(display, BXT_MIPI_PORT_CTRL(port));
 		if (!(tmp & DPI_ENABLE))
 			continue;
 
-		tmp = intel_de_read(dev_priv, MIPI_CTRL(port));
+		tmp = intel_de_read(display, MIPI_CTRL(display, port));
 		if ((tmp & BXT_PIPE_SELECT_MASK) != BXT_PIPE_SELECT(crtc->pipe))
 			continue;
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_conversion.h b/drivers/gpu/drm/i915/display/intel_display_conversion.h
new file mode 100644
index 000000000000..ad8545c8055d
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_conversion.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2024 Intel Corporation */
+
+/*
+ * This header is for transitional struct intel_display conversion helpers only.
+ */
+
+#ifndef __INTEL_DISPLAY_CONVERSION__
+#define __INTEL_DISPLAY_CONVERSION__
+
+/*
+ * Transitional macro to optionally convert struct drm_i915_private * to struct
+ * intel_display *, also accepting the latter.
+ */
+#define __to_intel_display(p)						\
+	_Generic(p,							\
+		 const struct drm_i915_private *: (&((const struct drm_i915_private *)(p))->display), \
+		 struct drm_i915_private *: (&((struct drm_i915_private *)(p))->display), \
+		 const struct intel_display *: (p),			\
+		 struct intel_display *: (p))
+
+#endif /* __INTEL_DISPLAY_CONVERSION__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h b/drivers/gpu/drm/i915/display/intel_display_core.h
index 9d89828e87df..7715fc329057 100644
--- a/drivers/gpu/drm/i915/display/intel_display_core.h
+++ b/drivers/gpu/drm/i915/display/intel_display_core.h
@@ -283,6 +283,9 @@ struct intel_wm {
 };
 
 struct intel_display {
+	/* drm device backpointer */
+	struct drm_device *drm;
+
 	/* Display functions */
 	struct {
 		/* Top level crtc-ish functions */
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 0feffe8d4e45..35f9f86ef70f 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -638,51 +638,24 @@ static int i915_display_capabilities(struct seq_file *m, void *unused)
 static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
+	struct drm_printer p = drm_seq_file_printer(m);
 	struct intel_shared_dpll *pll;
 	int i;
 
 	drm_modeset_lock_all(&dev_priv->drm);
 
-	seq_printf(m, "PLL refclks: non-SSC: %d kHz, SSC: %d kHz\n",
+	drm_printf(&p, "PLL refclks: non-SSC: %d kHz, SSC: %d kHz\n",
 		   dev_priv->display.dpll.ref_clks.nssc,
 		   dev_priv->display.dpll.ref_clks.ssc);
 
 	for_each_shared_dpll(dev_priv, pll, i) {
-		seq_printf(m, "DPLL%i: %s, id: %i\n", pll->index,
+		drm_printf(&p, "DPLL%i: %s, id: %i\n", pll->index,
 			   pll->info->name, pll->info->id);
-		seq_printf(m, " pipe_mask: 0x%x, active: 0x%x, on: %s\n",
+		drm_printf(&p, " pipe_mask: 0x%x, active: 0x%x, on: %s\n",
 			   pll->state.pipe_mask, pll->active_mask,
 			   str_yes_no(pll->on));
-		seq_printf(m, " tracked hardware state:\n");
-		seq_printf(m, " dpll:    0x%08x\n", pll->state.hw_state.dpll);
-		seq_printf(m, " dpll_md: 0x%08x\n",
-			   pll->state.hw_state.dpll_md);
-		seq_printf(m, " fp0:     0x%08x\n", pll->state.hw_state.fp0);
-		seq_printf(m, " fp1:     0x%08x\n", pll->state.hw_state.fp1);
-		seq_printf(m, " wrpll:   0x%08x\n", pll->state.hw_state.wrpll);
-		seq_printf(m, " cfgcr0:  0x%08x\n", pll->state.hw_state.cfgcr0);
-		seq_printf(m, " cfgcr1:  0x%08x\n", pll->state.hw_state.cfgcr1);
-		seq_printf(m, " div0:    0x%08x\n", pll->state.hw_state.div0);
-		seq_printf(m, " mg_refclkin_ctl:        0x%08x\n",
-			   pll->state.hw_state.mg_refclkin_ctl);
-		seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
-			   pll->state.hw_state.mg_clktop2_coreclkctl1);
-		seq_printf(m, " mg_clktop2_hsclkctl:    0x%08x\n",
-			   pll->state.hw_state.mg_clktop2_hsclkctl);
-		seq_printf(m, " mg_pll_div0:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_div0);
-		seq_printf(m, " mg_pll_div1:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_div1);
-		seq_printf(m, " mg_pll_lf:    0x%08x\n",
-			   pll->state.hw_state.mg_pll_lf);
-		seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
-			   pll->state.hw_state.mg_pll_frac_lock);
-		seq_printf(m, " mg_pll_ssc:   0x%08x\n",
-			   pll->state.hw_state.mg_pll_ssc);
-		seq_printf(m, " mg_pll_bias:  0x%08x\n",
-			   pll->state.hw_state.mg_pll_bias);
-		seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
-			   pll->state.hw_state.mg_pll_tdc_coldst_bias);
+		drm_printf(&p, " tracked hardware state:\n");
+		intel_dpll_dump_hw_state(dev_priv, &p, &pll->state.hw_state);
 	}
 	drm_modeset_unlock_all(&dev_priv->drm);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
index b8903bd0e82a..120e209ee74a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -927,6 +927,9 @@ void intel_display_device_probe(struct drm_i915_private *i915)
 	const struct intel_display_device_info *info;
 	u16 ver, rel, step;
 
+	/* Add drm device backpointer as early as possible. */
+	i915->display.drm = &i915->drm;
+
 	if (HAS_GMD_ID(i915))
 		info = probe_gmdid_display(i915, &ver, &rel, &step);
 	else
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
index 66b51de86e38..17ddf82f0b6e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 
+#include "intel_display_conversion.h"
 #include "intel_display_limits.h"
 
 struct drm_i915_private;
@@ -100,8 +101,8 @@ struct drm_printer;
 	(IS_DISPLAY_IP_RANGE((__i915), (ipver), (ipver)) && \
 	 IS_DISPLAY_STEP((__i915), (from), (until)))
 
-#define DISPLAY_INFO(i915)		((i915)->display.info.__device_info)
-#define DISPLAY_RUNTIME_INFO(i915)	(&(i915)->display.info.__runtime_info)
+#define DISPLAY_INFO(i915)		(__to_intel_display(i915)->info.__device_info)
+#define DISPLAY_RUNTIME_INFO(i915)	(&__to_intel_display(i915)->info.__runtime_info)
 
 #define DISPLAY_VER(i915)	(DISPLAY_RUNTIME_INFO(i915)->ip.ver)
 #define DISPLAY_VER_FULL(i915)	IP_VER(DISPLAY_RUNTIME_INFO(i915)->ip.ver, \
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index e4015557af6a..1b24339e4ab6 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -198,12 +198,13 @@ void intel_display_driver_early_probe(struct drm_i915_private *i915)
 	intel_dpll_init_clock_hook(i915);
 	intel_init_display_hooks(i915);
 	intel_fdi_init_hook(i915);
-	intel_dmc_wl_init(i915);
+	intel_dmc_wl_init(&i915->display);
 }
 
 /* part #1: call before irq install */
 int intel_display_driver_probe_noirq(struct drm_i915_private *i915)
 {
+	struct intel_display *display = &i915->display;
 	int ret;
 
 	if (i915_inject_probe_failure(i915))
@@ -262,7 +263,7 @@ int intel_display_driver_probe_noirq(struct drm_i915_private *i915)
 	if (ret)
 		goto cleanup_vga_client_pw_domain_dmc;
 
-	intel_init_quirks(i915);
+	intel_init_quirks(display);
 
 	intel_fbc_init(i915);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_params.c b/drivers/gpu/drm/i915/display/intel_display_params.c
index f40b223cc8a1..1799a6643128 100644
--- a/drivers/gpu/drm/i915/display/intel_display_params.c
+++ b/drivers/gpu/drm/i915/display/intel_display_params.c
@@ -27,6 +27,10 @@ static struct intel_display_params intel_display_modparams __read_mostly = {
  * debugfs mode to 0.
  */
 
+intel_display_param_named_unsafe(dmc_firmware_path, charp, 0400,
+	"DMC firmware path to use instead of the default one. "
+	"Use /dev/null to disable DMC and runtime PM.");
+
 intel_display_param_named_unsafe(vbt_firmware, charp, 0400,
 	"Load VBT from specified file under /lib/firmware");
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_params.h b/drivers/gpu/drm/i915/display/intel_display_params.h
index bf8dbbdb20a1..1208a62c16d2 100644
--- a/drivers/gpu/drm/i915/display/intel_display_params.h
+++ b/drivers/gpu/drm/i915/display/intel_display_params.h
@@ -24,6 +24,7 @@ struct drm_i915_private;
  *       debugfs file
  */
 #define INTEL_DISPLAY_PARAMS_FOR_EACH(param) \
+	param(char *, dmc_firmware_path, NULL, 0400) \
 	param(char *, vbt_firmware, NULL, 0400) \
 	param(int, lvds_channel_mode, 0, 0400) \
 	param(int, panel_use_ssc, -1, 0600) \
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c
index 7f4b7602cf02..e8a6e53fd551 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
@@ -822,7 +822,7 @@ void gen9_enable_dc5(struct drm_i915_private *dev_priv)
 		intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1,
 			     0, SKL_SELECT_ALTERNATE_DC_EXIT);
 
-	intel_dmc_wl_enable(dev_priv);
+	intel_dmc_wl_enable(&dev_priv->display);
 
 	gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5);
 }
@@ -853,7 +853,7 @@ void skl_enable_dc6(struct drm_i915_private *dev_priv)
 		intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1,
 			     0, SKL_SELECT_ALTERNATE_DC_EXIT);
 
-	intel_dmc_wl_enable(dev_priv);
+	intel_dmc_wl_enable(&dev_priv->display);
 
 	gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6);
 }
@@ -905,39 +905,39 @@ static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv,
 static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv,
 					   struct i915_power_well *power_well)
 {
-	bxt_ddi_phy_init(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
+	bxt_dpio_phy_init(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
 }
 
 static void bxt_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv,
 					    struct i915_power_well *power_well)
 {
-	bxt_ddi_phy_uninit(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
+	bxt_dpio_phy_uninit(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
 }
 
 static bool bxt_dpio_cmn_power_well_enabled(struct drm_i915_private *dev_priv,
 					    struct i915_power_well *power_well)
 {
-	return bxt_ddi_phy_is_enabled(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
+	return bxt_dpio_phy_is_enabled(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
 }
 
-static void bxt_verify_ddi_phy_power_wells(struct drm_i915_private *dev_priv)
+static void bxt_verify_dpio_phy_power_wells(struct drm_i915_private *dev_priv)
 {
 	struct i915_power_well *power_well;
 
 	power_well = lookup_power_well(dev_priv, BXT_DISP_PW_DPIO_CMN_A);
 	if (intel_power_well_refcount(power_well) > 0)
-		bxt_ddi_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
+		bxt_dpio_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
 
 	power_well = lookup_power_well(dev_priv, VLV_DISP_PW_DPIO_CMN_BC);
 	if (intel_power_well_refcount(power_well) > 0)
-		bxt_ddi_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
+		bxt_dpio_phy_verify_state(dev_priv, i915_power_well_instance(power_well)->bxt.phy);
 
 	if (IS_GEMINILAKE(dev_priv)) {
 		power_well = lookup_power_well(dev_priv,
 					       GLK_DISP_PW_DPIO_CMN_C);
 		if (intel_power_well_refcount(power_well) > 0)
-			bxt_ddi_phy_verify_state(dev_priv,
-						 i915_power_well_instance(power_well)->bxt.phy);
+			bxt_dpio_phy_verify_state(dev_priv,
+						  i915_power_well_instance(power_well)->bxt.phy);
 	}
 }
 
@@ -975,7 +975,7 @@ void gen9_disable_dc_states(struct drm_i915_private *dev_priv)
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	intel_dmc_wl_disable(dev_priv);
+	intel_dmc_wl_disable(&dev_priv->display);
 
 	intel_cdclk_get_cdclk(dev_priv, &cdclk_config);
 	/* Can't read out voltage_level so can't use intel_cdclk_changed() */
@@ -986,7 +986,7 @@ void gen9_disable_dc_states(struct drm_i915_private *dev_priv)
 	gen9_assert_dbuf_enabled(dev_priv);
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
-		bxt_verify_ddi_phy_power_wells(dev_priv);
+		bxt_verify_dpio_phy_power_wells(dev_priv);
 
 	if (DISPLAY_VER(dev_priv) >= 11)
 		/*
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 0f4bd5710796..62f7a30c37dc 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1004,18 +1004,6 @@ enum intel_output_format {
 	INTEL_OUTPUT_FORMAT_YCBCR444,
 };
 
-struct intel_mpllb_state {
-	u32 clock; /* in KHz */
-	u32 ref_control;
-	u32 mpllb_cp;
-	u32 mpllb_div;
-	u32 mpllb_div2;
-	u32 mpllb_fracn1;
-	u32 mpllb_fracn2;
-	u32 mpllb_sscen;
-	u32 mpllb_sscstep;
-};
-
 /* Used by dp and fdi links */
 struct intel_link_m_n {
 	u32 tu;
@@ -1031,31 +1019,6 @@ struct intel_csc_matrix {
 	u16 postoff[3];
 };
 
-struct intel_c10pll_state {
-	u32 clock; /* in KHz */
-	u8 tx;
-	u8 cmn;
-	u8 pll[20];
-};
-
-struct intel_c20pll_state {
-	u32 clock; /* in kHz */
-	u16 tx[3];
-	u16 cmn[4];
-	union {
-		u16 mplla[10];
-		u16 mpllb[11];
-	};
-};
-
-struct intel_cx0pll_state {
-	union {
-		struct intel_c10pll_state c10;
-		struct intel_c20pll_state c20;
-	};
-	bool ssc_enabled;
-};
-
 struct intel_crtc_state {
 	/*
 	 * uapi (drm) state. This is the software state shown to userspace.
@@ -1200,11 +1163,7 @@ struct intel_crtc_state {
 	struct intel_shared_dpll *shared_dpll;
 
 	/* Actual register state of the dpll, for shared dpll cross-checking. */
-	union {
-		struct intel_dpll_hw_state dpll_hw_state;
-		struct intel_mpllb_state mpllb_state;
-		struct intel_cx0pll_state cx0pll_state;
-	};
+	struct intel_dpll_hw_state dpll_hw_state;
 
 	/*
 	 * ICL reserved DPLLs for the CRTC/port. The active PLL is selected by
@@ -2197,4 +2156,41 @@ static inline int to_bpp_x16(int bpp)
 	return bpp << 4;
 }
 
+/*
+ * Conversion functions/macros from various pointer types to struct
+ * intel_display pointer.
+ */
+#define __drm_device_to_intel_display(p) \
+	(&to_i915(p)->display)
+#define __intel_connector_to_intel_display(p)		\
+	__drm_device_to_intel_display((p)->base.dev)
+#define __intel_crtc_to_intel_display(p)		\
+	__drm_device_to_intel_display((p)->base.dev)
+#define __intel_crtc_state_to_intel_display(p)			\
+	__drm_device_to_intel_display((p)->uapi.crtc->dev)
+#define __intel_digital_port_to_intel_display(p)		\
+	__drm_device_to_intel_display((p)->base.base.dev)
+#define __intel_dp_to_intel_display(p)	\
+	__drm_device_to_intel_display(dp_to_dig_port(p)->base.base.dev)
+#define __intel_encoder_to_intel_display(p)		\
+	__drm_device_to_intel_display((p)->base.dev)
+#define __intel_hdmi_to_intel_display(p)	\
+	__drm_device_to_intel_display(hdmi_to_dig_port(p)->base.base.dev)
+
+/* Helper for generic association. Map types to conversion functions/macros. */
+#define __assoc(type, p) \
+	struct type: __##type##_to_intel_display((struct type *)(p))
+
+/* Convert various pointer types to struct intel_display pointer. */
+#define to_intel_display(p)				\
+	_Generic(*p,					\
+		 __assoc(drm_device, p),		\
+		 __assoc(intel_connector, p),		\
+		 __assoc(intel_crtc, p),		\
+		 __assoc(intel_crtc_state, p),		\
+		 __assoc(intel_digital_port, p),	\
+		 __assoc(intel_dp, p),			\
+		 __assoc(intel_encoder, p),		\
+		 __assoc(intel_hdmi, p))
+
 #endif /*  __INTEL_DISPLAY_TYPES_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index a34ff3383fd3..36c361cf72fc 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -73,6 +73,21 @@ static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915)
 	return i915->display.dmc.dmc;
 }
 
+static const char *dmc_firmware_param(struct drm_i915_private *i915)
+{
+	const char *p = i915->display.params.dmc_firmware_path;
+
+	return p && *p ? p : NULL;
+}
+
+static bool dmc_firmware_param_disabled(struct drm_i915_private *i915)
+{
+	const char *p = dmc_firmware_param(i915);
+
+	/* Magic path to indicate disabled */
+	return p && !strcmp(p, "/dev/null");
+}
+
 #define DMC_VERSION(major, minor)	((major) << 16 | (minor))
 #define DMC_VERSION_MAJOR(version)	((version) >> 16)
 #define DMC_VERSION_MINOR(version)	((version) & 0xffff)
@@ -142,6 +157,59 @@ MODULE_FIRMWARE(SKL_DMC_PATH);
 #define BXT_DMC_MAX_FW_SIZE		0x3000
 MODULE_FIRMWARE(BXT_DMC_PATH);
 
+static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 *size)
+{
+	const char *fw_path = NULL;
+	u32 max_fw_size = 0;
+
+	if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
+		fw_path = XE2LPD_DMC_PATH;
+		max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
+	} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
+		fw_path = MTL_DMC_PATH;
+		max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
+	} else if (IS_DG2(i915)) {
+		fw_path = DG2_DMC_PATH;
+		max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
+	} else if (IS_ALDERLAKE_P(i915)) {
+		fw_path = ADLP_DMC_PATH;
+		max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
+	} else if (IS_ALDERLAKE_S(i915)) {
+		fw_path = ADLS_DMC_PATH;
+		max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+	} else if (IS_DG1(i915)) {
+		fw_path = DG1_DMC_PATH;
+		max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+	} else if (IS_ROCKETLAKE(i915)) {
+		fw_path = RKL_DMC_PATH;
+		max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+	} else if (IS_TIGERLAKE(i915)) {
+		fw_path = TGL_DMC_PATH;
+		max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
+	} else if (DISPLAY_VER(i915) == 11) {
+		fw_path = ICL_DMC_PATH;
+		max_fw_size = ICL_DMC_MAX_FW_SIZE;
+	} else if (IS_GEMINILAKE(i915)) {
+		fw_path = GLK_DMC_PATH;
+		max_fw_size = GLK_DMC_MAX_FW_SIZE;
+	} else if (IS_KABYLAKE(i915) ||
+		   IS_COFFEELAKE(i915) ||
+		   IS_COMETLAKE(i915)) {
+		fw_path = KBL_DMC_PATH;
+		max_fw_size = KBL_DMC_MAX_FW_SIZE;
+	} else if (IS_SKYLAKE(i915)) {
+		fw_path = SKL_DMC_PATH;
+		max_fw_size = SKL_DMC_MAX_FW_SIZE;
+	} else if (IS_BROXTON(i915)) {
+		fw_path = BXT_DMC_PATH;
+		max_fw_size = BXT_DMC_MAX_FW_SIZE;
+	}
+
+	*size = max_fw_size;
+
+	return fw_path;
+}
+
 #define DMC_DEFAULT_FW_OFFSET		0xFFFFFFFF
 #define PACKAGE_MAX_FW_INFO_ENTRIES	20
 #define PACKAGE_V2_MAX_FW_INFO_ENTRIES	32
@@ -553,7 +621,7 @@ void intel_dmc_disable_program(struct drm_i915_private *i915)
 	disable_all_event_handlers(i915);
 	pipedmc_clock_gating_wa(i915, false);
 
-	intel_dmc_wl_disable(i915);
+	intel_dmc_wl_disable(&i915->display);
 }
 
 void assert_dmc_loaded(struct drm_i915_private *i915)
@@ -853,7 +921,7 @@ static u32 parse_dmc_fw_css(struct intel_dmc *dmc,
 	return sizeof(struct intel_css_header);
 }
 
-static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
+static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
 {
 	struct drm_i915_private *i915 = dmc->i915;
 	struct intel_css_header *css_header;
@@ -866,13 +934,13 @@ static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
 	u32 r, offset;
 
 	if (!fw)
-		return;
+		return -EINVAL;
 
 	/* Extract CSS Header information */
 	css_header = (struct intel_css_header *)fw->data;
 	r = parse_dmc_fw_css(dmc, css_header, fw->size);
 	if (!r)
-		return;
+		return -EINVAL;
 
 	readcount += r;
 
@@ -880,7 +948,7 @@ static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
 	package_header = (struct intel_package_header *)&fw->data[readcount];
 	r = parse_dmc_fw_package(dmc, package_header, si, fw->size - readcount);
 	if (!r)
-		return;
+		return -EINVAL;
 
 	readcount += r;
 
@@ -897,6 +965,13 @@ static void parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
 		dmc_header = (struct intel_dmc_header_base *)&fw->data[offset];
 		parse_dmc_fw_header(dmc, dmc_header, fw->size - offset, dmc_id);
 	}
+
+	if (!intel_dmc_has_payload(i915)) {
+		drm_err(&i915->drm, "DMC firmware main program not found\n");
+		return -ENOENT;
+	}
+
+	return 0;
 }
 
 static void intel_dmc_runtime_pm_get(struct drm_i915_private *i915)
@@ -931,7 +1006,7 @@ static void dmc_load_work_fn(struct work_struct *work)
 
 	err = request_firmware(&fw, dmc->fw_path, i915->drm.dev);
 
-	if (err == -ENOENT && !i915->params.dmc_firmware_path) {
+	if (err == -ENOENT && !dmc_firmware_param(i915)) {
 		fallback_path = dmc_fallback_path(i915);
 		if (fallback_path) {
 			drm_dbg_kms(&i915->drm, "%s not found, falling back to %s\n",
@@ -942,24 +1017,31 @@ static void dmc_load_work_fn(struct work_struct *work)
 		}
 	}
 
-	parse_dmc_fw(dmc, fw);
-
-	if (intel_dmc_has_payload(i915)) {
-		intel_dmc_load_program(i915);
-		intel_dmc_runtime_pm_put(i915);
-
-		drm_info(&i915->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
-			 dmc->fw_path, DMC_VERSION_MAJOR(dmc->version),
-			 DMC_VERSION_MINOR(dmc->version));
-	} else {
+	if (err) {
 		drm_notice(&i915->drm,
-			   "Failed to load DMC firmware %s."
-			   " Disabling runtime power management.\n",
-			   dmc->fw_path);
+			   "Failed to load DMC firmware %s (%pe). Disabling runtime power management.\n",
+			   dmc->fw_path, ERR_PTR(err));
 		drm_notice(&i915->drm, "DMC firmware homepage: %s",
 			   INTEL_DMC_FIRMWARE_URL);
+		return;
 	}
 
+	err = parse_dmc_fw(dmc, fw);
+	if (err) {
+		drm_notice(&i915->drm,
+			   "Failed to parse DMC firmware %s (%pe). Disabling runtime power management.\n",
+			   dmc->fw_path, ERR_PTR(err));
+		goto out;
+	}
+
+	intel_dmc_load_program(i915);
+	intel_dmc_runtime_pm_put(i915);
+
+	drm_info(&i915->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
+		 dmc->fw_path, DMC_VERSION_MAJOR(dmc->version),
+		 DMC_VERSION_MINOR(dmc->version));
+
+out:
 	release_firmware(fw);
 }
 
@@ -995,59 +1077,16 @@ void intel_dmc_init(struct drm_i915_private *i915)
 
 	INIT_WORK(&dmc->work, dmc_load_work_fn);
 
-	if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
-		dmc->fw_path = XE2LPD_DMC_PATH;
-		dmc->max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
-	} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
-		dmc->fw_path = MTL_DMC_PATH;
-		dmc->max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
-	} else if (IS_DG2(i915)) {
-		dmc->fw_path = DG2_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
-	} else if (IS_ALDERLAKE_P(i915)) {
-		dmc->fw_path = ADLP_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER13_DMC_MAX_FW_SIZE;
-	} else if (IS_ALDERLAKE_S(i915)) {
-		dmc->fw_path = ADLS_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-	} else if (IS_DG1(i915)) {
-		dmc->fw_path = DG1_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-	} else if (IS_ROCKETLAKE(i915)) {
-		dmc->fw_path = RKL_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-	} else if (IS_TIGERLAKE(i915)) {
-		dmc->fw_path = TGL_DMC_PATH;
-		dmc->max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
-	} else if (DISPLAY_VER(i915) == 11) {
-		dmc->fw_path = ICL_DMC_PATH;
-		dmc->max_fw_size = ICL_DMC_MAX_FW_SIZE;
-	} else if (IS_GEMINILAKE(i915)) {
-		dmc->fw_path = GLK_DMC_PATH;
-		dmc->max_fw_size = GLK_DMC_MAX_FW_SIZE;
-	} else if (IS_KABYLAKE(i915) ||
-		   IS_COFFEELAKE(i915) ||
-		   IS_COMETLAKE(i915)) {
-		dmc->fw_path = KBL_DMC_PATH;
-		dmc->max_fw_size = KBL_DMC_MAX_FW_SIZE;
-	} else if (IS_SKYLAKE(i915)) {
-		dmc->fw_path = SKL_DMC_PATH;
-		dmc->max_fw_size = SKL_DMC_MAX_FW_SIZE;
-	} else if (IS_BROXTON(i915)) {
-		dmc->fw_path = BXT_DMC_PATH;
-		dmc->max_fw_size = BXT_DMC_MAX_FW_SIZE;
-	}
-
-	if (i915->params.dmc_firmware_path) {
-		if (strlen(i915->params.dmc_firmware_path) == 0) {
-			drm_info(&i915->drm,
-				 "Disabling DMC firmware and runtime PM\n");
-			goto out;
-		}
+	dmc->fw_path = dmc_firmware_default(i915, &dmc->max_fw_size);
 
-		dmc->fw_path = i915->params.dmc_firmware_path;
+	if (dmc_firmware_param_disabled(i915)) {
+		drm_info(&i915->drm, "Disabling DMC firmware and runtime PM\n");
+		goto out;
 	}
 
+	if (dmc_firmware_param(i915))
+		dmc->fw_path = dmc_firmware_param(i915);
+
 	if (!dmc->fw_path) {
 		drm_dbg_kms(&i915->drm,
 			    "No known DMC firmware for platform, disabling runtime PM\n");
@@ -1083,7 +1122,7 @@ void intel_dmc_suspend(struct drm_i915_private *i915)
 	if (dmc)
 		flush_work(&dmc->work);
 
-	intel_dmc_wl_disable(i915);
+	intel_dmc_wl_disable(&i915->display);
 
 	/* Drop the reference held in case DMC isn't loaded. */
 	if (!intel_dmc_has_payload(i915))
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 30f8905fae41..d9864b9cc429 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -51,9 +51,10 @@ static struct intel_dmc_wl_range lnl_wl_range[] = {
 	{ .start = 0x60000, .end = 0x7ffff },
 };
 
-static void __intel_dmc_wl_release(struct drm_i915_private *i915)
+static void __intel_dmc_wl_release(struct intel_display *display)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct drm_i915_private *i915 = to_i915(display->drm);
+	struct intel_dmc_wl *wl = &display->wl;
 
 	WARN_ON(refcount_read(&wl->refcount));
 
@@ -65,8 +66,8 @@ static void intel_dmc_wl_work(struct work_struct *work)
 {
 	struct intel_dmc_wl *wl =
 		container_of(work, struct intel_dmc_wl, work.work);
-	struct drm_i915_private *i915 =
-		container_of(wl, struct drm_i915_private, display.wl);
+	struct intel_display *display =
+		container_of(wl, struct intel_display, wl);
 	unsigned long flags;
 
 	spin_lock_irqsave(&wl->lock, flags);
@@ -75,11 +76,11 @@ static void intel_dmc_wl_work(struct work_struct *work)
 	if (!refcount_read(&wl->refcount))
 		goto out_unlock;
 
-	__intel_de_rmw_nowl(i915, DMC_WAKELOCK1_CTL, DMC_WAKELOCK_CTL_REQ, 0);
+	__intel_de_rmw_nowl(display, DMC_WAKELOCK1_CTL, DMC_WAKELOCK_CTL_REQ, 0);
 
-	if (__intel_wait_for_register_nowl(i915,  DMC_WAKELOCK1_CTL,
-					   DMC_WAKELOCK_CTL_ACK, 0,
-					   DMC_WAKELOCK_CTL_TIMEOUT)) {
+	if (__intel_de_wait_for_register_nowl(display, DMC_WAKELOCK1_CTL,
+					      DMC_WAKELOCK_CTL_ACK, 0,
+					      DMC_WAKELOCK_CTL_TIMEOUT)) {
 		WARN_RATELIMIT(1, "DMC wakelock release timed out");
 		goto out_unlock;
 	}
@@ -106,23 +107,24 @@ static bool intel_dmc_wl_check_range(u32 address)
 	return wl_needed;
 }
 
-static bool __intel_dmc_wl_supported(struct drm_i915_private *i915)
+static bool __intel_dmc_wl_supported(struct intel_display *display)
 {
-	if (DISPLAY_VER(i915) < 20 ||
+	struct drm_i915_private *i915 = to_i915(display->drm);
+
+	if (DISPLAY_VER(display) < 20 ||
 	    !intel_dmc_has_payload(i915) ||
-	    !i915->display.params.enable_dmc_wl)
+	    !display->params.enable_dmc_wl)
 		return false;
 
 	return true;
 }
 
-void intel_dmc_wl_init(struct drm_i915_private *i915)
+void intel_dmc_wl_init(struct intel_display *display)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct intel_dmc_wl *wl = &display->wl;
 
 	/* don't call __intel_dmc_wl_supported(), DMC is not loaded yet */
-	if (DISPLAY_VER(i915) < 20 ||
-	    !i915->display.params.enable_dmc_wl)
+	if (DISPLAY_VER(display) < 20 || !display->params.enable_dmc_wl)
 		return;
 
 	INIT_DELAYED_WORK(&wl->work, intel_dmc_wl_work);
@@ -130,12 +132,12 @@ void intel_dmc_wl_init(struct drm_i915_private *i915)
 	refcount_set(&wl->refcount, 0);
 }
 
-void intel_dmc_wl_enable(struct drm_i915_private *i915)
+void intel_dmc_wl_enable(struct intel_display *display)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct intel_dmc_wl *wl = &display->wl;
 	unsigned long flags;
 
-	if (!__intel_dmc_wl_supported(i915))
+	if (!__intel_dmc_wl_supported(display))
 		return;
 
 	spin_lock_irqsave(&wl->lock, flags);
@@ -148,7 +150,7 @@ void intel_dmc_wl_enable(struct drm_i915_private *i915)
 	 * wakelock, because we're just enabling it, so call the
 	 * non-locking version directly here.
 	 */
-	__intel_de_rmw_nowl(i915, DMC_WAKELOCK_CFG, 0, DMC_WAKELOCK_CFG_ENABLE);
+	__intel_de_rmw_nowl(display, DMC_WAKELOCK_CFG, 0, DMC_WAKELOCK_CFG_ENABLE);
 
 	wl->enabled = true;
 	wl->taken = false;
@@ -157,12 +159,12 @@ out_unlock:
 	spin_unlock_irqrestore(&wl->lock, flags);
 }
 
-void intel_dmc_wl_disable(struct drm_i915_private *i915)
+void intel_dmc_wl_disable(struct intel_display *display)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct intel_dmc_wl *wl = &display->wl;
 	unsigned long flags;
 
-	if (!__intel_dmc_wl_supported(i915))
+	if (!__intel_dmc_wl_supported(display))
 		return;
 
 	flush_delayed_work(&wl->work);
@@ -173,7 +175,7 @@ void intel_dmc_wl_disable(struct drm_i915_private *i915)
 		goto out_unlock;
 
 	/* Disable wakelock in DMC */
-	__intel_de_rmw_nowl(i915, DMC_WAKELOCK_CFG, DMC_WAKELOCK_CFG_ENABLE, 0);
+	__intel_de_rmw_nowl(display, DMC_WAKELOCK_CFG, DMC_WAKELOCK_CFG_ENABLE, 0);
 
 	refcount_set(&wl->refcount, 0);
 	wl->enabled = false;
@@ -183,12 +185,12 @@ out_unlock:
 	spin_unlock_irqrestore(&wl->lock, flags);
 }
 
-void intel_dmc_wl_get(struct drm_i915_private *i915, i915_reg_t reg)
+void intel_dmc_wl_get(struct intel_display *display, i915_reg_t reg)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct intel_dmc_wl *wl = &display->wl;
 	unsigned long flags;
 
-	if (!__intel_dmc_wl_supported(i915))
+	if (!__intel_dmc_wl_supported(display))
 		return;
 
 	if (!intel_dmc_wl_check_range(reg.reg))
@@ -213,13 +215,13 @@ void intel_dmc_wl_get(struct drm_i915_private *i915, i915_reg_t reg)
 	 * run yet.
 	 */
 	if (!wl->taken) {
-		__intel_de_rmw_nowl(i915, DMC_WAKELOCK1_CTL, 0,
+		__intel_de_rmw_nowl(display, DMC_WAKELOCK1_CTL, 0,
 				    DMC_WAKELOCK_CTL_REQ);
 
-		if (__intel_wait_for_register_nowl(i915,  DMC_WAKELOCK1_CTL,
-						   DMC_WAKELOCK_CTL_ACK,
-						   DMC_WAKELOCK_CTL_ACK,
-						   DMC_WAKELOCK_CTL_TIMEOUT)) {
+		if (__intel_de_wait_for_register_nowl(display, DMC_WAKELOCK1_CTL,
+						      DMC_WAKELOCK_CTL_ACK,
+						      DMC_WAKELOCK_CTL_ACK,
+						      DMC_WAKELOCK_CTL_TIMEOUT)) {
 			WARN_RATELIMIT(1, "DMC wakelock ack timed out");
 			goto out_unlock;
 		}
@@ -231,12 +233,12 @@ out_unlock:
 	spin_unlock_irqrestore(&wl->lock, flags);
 }
 
-void intel_dmc_wl_put(struct drm_i915_private *i915, i915_reg_t reg)
+void intel_dmc_wl_put(struct intel_display *display, i915_reg_t reg)
 {
-	struct intel_dmc_wl *wl = &i915->display.wl;
+	struct intel_dmc_wl *wl = &display->wl;
 	unsigned long flags;
 
-	if (!__intel_dmc_wl_supported(i915))
+	if (!__intel_dmc_wl_supported(display))
 		return;
 
 	if (!intel_dmc_wl_check_range(reg.reg))
@@ -252,7 +254,7 @@ void intel_dmc_wl_put(struct drm_i915_private *i915, i915_reg_t reg)
 		goto out_unlock;
 
 	if (refcount_dec_and_test(&wl->refcount)) {
-		__intel_dmc_wl_release(i915);
+		__intel_dmc_wl_release(display);
 
 		goto out_unlock;
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.h b/drivers/gpu/drm/i915/display/intel_dmc_wl.h
index 6fb86b05b437..adab51208d0a 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.h
@@ -12,7 +12,7 @@
 
 #include "i915_reg_defs.h"
 
-struct drm_i915_private;
+struct intel_display;
 
 struct intel_dmc_wl {
 	spinlock_t lock; /* protects enabled, taken  and refcount */
@@ -22,10 +22,10 @@ struct intel_dmc_wl {
 	struct delayed_work work;
 };
 
-void intel_dmc_wl_init(struct drm_i915_private *i915);
-void intel_dmc_wl_enable(struct drm_i915_private *i915);
-void intel_dmc_wl_disable(struct drm_i915_private *i915);
-void intel_dmc_wl_get(struct drm_i915_private *i915, i915_reg_t reg);
-void intel_dmc_wl_put(struct drm_i915_private *i915, i915_reg_t reg);
+void intel_dmc_wl_init(struct intel_display *display);
+void intel_dmc_wl_enable(struct intel_display *display);
+void intel_dmc_wl_disable(struct intel_display *display);
+void intel_dmc_wl_get(struct intel_display *display, i915_reg_t reg);
+void intel_dmc_wl_put(struct intel_display *display, i915_reg_t reg);
 
 #endif /* __INTEL_WAKELOCK_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 163da48bc406..e05e25cd4a94 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -89,6 +89,9 @@
 #define DP_DSC_MAX_ENC_THROUGHPUT_0		340000
 #define DP_DSC_MAX_ENC_THROUGHPUT_1		400000
 
+/* Max DSC line buffer depth supported by HW. */
+#define INTEL_DP_DSC_MAX_LINE_BUF_DEPTH		13
+
 /* DP DSC FEC Overhead factor in ppm = 1/(0.972261) = 1.028530 */
 #define DP_DSC_FEC_OVERHEAD_FACTOR		1028530
 
@@ -222,7 +225,7 @@ static void intel_dp_set_dpcd_sink_rates(struct intel_dp *intel_dp)
 	 * Sink rates for 128b/132b. If set, sink should support all 8b/10b
 	 * rates and 10 Gbps.
 	 */
-	if (intel_dp->dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B) {
+	if (drm_dp_128b132b_supported(intel_dp->dpcd)) {
 		u8 uhbr_rates = 0;
 
 		BUILD_BUG_ON(ARRAY_SIZE(intel_dp->sink_rates) < ARRAY_SIZE(dp_rates) + 3);
@@ -1705,7 +1708,6 @@ static int intel_dp_dsc_compute_params(const struct intel_connector *connector,
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
-	u8 line_buf_depth;
 	int ret;
 
 	/*
@@ -1734,20 +1736,14 @@ static int intel_dp_dsc_compute_params(const struct intel_connector *connector,
 			connector->dp.dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] &
 			DP_DSC_RGB;
 
-	line_buf_depth = drm_dp_dsc_sink_line_buf_depth(connector->dp.dsc_dpcd);
-	if (!line_buf_depth) {
+	vdsc_cfg->line_buf_depth = min(INTEL_DP_DSC_MAX_LINE_BUF_DEPTH,
+				       drm_dp_dsc_sink_line_buf_depth(connector->dp.dsc_dpcd));
+	if (!vdsc_cfg->line_buf_depth) {
 		drm_dbg_kms(&i915->drm,
 			    "DSC Sink Line Buffer Depth invalid\n");
 		return -EINVAL;
 	}
 
-	if (vdsc_cfg->dsc_version_minor == 2)
-		vdsc_cfg->line_buf_depth = (line_buf_depth == DSC_1_2_MAX_LINEBUF_DEPTH_BITS) ?
-			DSC_1_2_MAX_LINEBUF_DEPTH_VAL : line_buf_depth;
-	else
-		vdsc_cfg->line_buf_depth = (line_buf_depth > DSC_1_1_MAX_LINEBUF_DEPTH_BITS) ?
-			DSC_1_1_MAX_LINEBUF_DEPTH_BITS : line_buf_depth;
-
 	vdsc_cfg->block_pred_enable =
 		connector->dp.dsc_dpcd[DP_DSC_BLK_PREDICTION_SUPPORT - DP_DSC_SUPPORT] &
 		DP_DSC_BLK_PREDICTION_IS_SUPPORTED;
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index fb84ca98bb7a..947575140059 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -334,7 +334,7 @@ static bool has_per_lane_signal_levels(struct intel_dp *intel_dp,
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 
 	return !intel_dp_phy_is_downstream_of_source(intel_dp, dp_phy) ||
-		DISPLAY_VER(i915) >= 11;
+		DISPLAY_VER(i915) >= 10 || IS_BROXTON(i915);
 }
 
 /* 128b/132b */
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index d43617734009..c772ba19c547 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -51,25 +51,39 @@
 #include "intel_vdsc.h"
 #include "skl_scaler.h"
 
-static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp,
-					  const struct drm_display_mode *adjusted_mode,
-					  struct intel_crtc_state *crtc_state,
-					  bool dsc)
+static int intel_dp_mst_max_dpt_bpp(const struct intel_crtc_state *crtc_state,
+				    bool dsc)
 {
-	if (intel_dp_is_uhbr(crtc_state) && DISPLAY_VER(i915) < 14 && dsc) {
-		int output_bpp = bpp;
-		/* DisplayPort 2 128b/132b, bits per lane is always 32 */
-		int symbol_clock = crtc_state->port_clock / 32;
-
-		if (output_bpp * adjusted_mode->crtc_clock >=
-		    symbol_clock * 72) {
-			drm_dbg_kms(&i915->drm, "UHBR check failed(required bw %d available %d)\n",
-				    output_bpp * adjusted_mode->crtc_clock, symbol_clock * 72);
-			return -EINVAL;
-		}
-	}
+	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+	const struct drm_display_mode *adjusted_mode =
+		&crtc_state->hw.adjusted_mode;
 
-	return 0;
+	if (!intel_dp_is_uhbr(crtc_state) || DISPLAY_VER(i915) >= 20 || !dsc)
+		return INT_MAX;
+
+	/*
+	 * DSC->DPT interface width:
+	 *   ICL-MTL: 72 bits (each branch has 72 bits, only left branch is used)
+	 *   LNL+:    144 bits (not a bottleneck in any config)
+	 *
+	 * Bspec/49259 suggests that the FEC overhead needs to be
+	 * applied here, though HW people claim that neither this FEC
+	 * or any other overhead is applicable here (that is the actual
+	 * available_bw is just symbol_clock * 72). However based on
+	 * testing on MTL-P the
+	 * - DELL U3224KBA display
+	 * - Unigraf UCD-500 CTS test sink
+	 * devices the
+	 * - 5120x2880/995.59Mhz
+	 * - 6016x3384/1357.23Mhz
+	 * - 6144x3456/1413.39Mhz
+	 * modes (all the ones having a DPT limit on the above devices),
+	 * both the channel coding efficiency and an additional 3%
+	 * overhead needs to be accounted for.
+	 */
+	return div64_u64(mul_u32_u32(intel_dp_link_symbol_clock(crtc_state->port_clock) * 72,
+				     drm_dp_bw_channel_coding_efficiency(true)),
+			 mul_u32_u32(adjusted_mode->crtc_clock, 1030000));
 }
 
 static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state,
@@ -157,6 +171,7 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
 	int bpp, slots = -EINVAL;
+	int max_dpt_bpp;
 	int ret = 0;
 
 	mst_state = drm_atomic_get_mst_topology_state(state, &intel_dp->mst_mgr);
@@ -177,6 +192,13 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
 						      crtc_state->port_clock,
 						      crtc_state->lane_count);
 
+	max_dpt_bpp = intel_dp_mst_max_dpt_bpp(crtc_state, dsc);
+	if (max_bpp > max_dpt_bpp) {
+		drm_dbg_kms(&i915->drm, "Limiting bpp to max DPT bpp (%d -> %d)\n",
+			    max_bpp, max_dpt_bpp);
+		max_bpp = max_dpt_bpp;
+	}
+
 	drm_dbg_kms(&i915->drm, "Looking for slots in range min bpp %d max bpp %d\n",
 		    min_bpp, max_bpp);
 
@@ -188,10 +210,6 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
 
 		drm_dbg_kms(&i915->drm, "Trying bpp %d\n", bpp);
 
-		ret = intel_dp_mst_check_constraints(i915, bpp, adjusted_mode, crtc_state, dsc);
-		if (ret)
-			continue;
-
 		link_bpp_x16 = to_bpp_x16(dsc ? bpp :
 					  intel_dp_output_bpp(crtc_state->output_format, bpp));
 
@@ -403,15 +421,22 @@ static int mode_hblank_period_ns(const struct drm_display_mode *mode)
 
 static bool
 hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector,
-				 const struct intel_crtc_state *crtc_state)
+				 const struct intel_crtc_state *crtc_state,
+				 const struct link_config_limits *limits)
 {
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
+	bool is_uhbr_sink = connector->mst_port &&
+			    drm_dp_128b132b_supported(connector->mst_port->dpcd);
+	int hblank_limit = is_uhbr_sink ? 500 : 300;
 
 	if (!connector->dp.dsc_hblank_expansion_quirk)
 		return false;
 
-	if (mode_hblank_period_ns(adjusted_mode) > 300)
+	if (is_uhbr_sink && !drm_dp_is_uhbr_rate(limits->max_rate))
+		return false;
+
+	if (mode_hblank_period_ns(adjusted_mode) > hblank_limit)
 		return false;
 
 	return true;
@@ -427,7 +452,7 @@ adjust_limits_for_dsc_hblank_expansion_quirk(const struct intel_connector *conne
 	const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	int min_bpp_x16 = limits->link.min_bpp_x16;
 
-	if (!hblank_expansion_quirk_needs_dsc(connector, crtc_state))
+	if (!hblank_expansion_quirk_needs_dsc(connector, crtc_state, limits))
 		return true;
 
 	if (!dsc) {
@@ -620,7 +645,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
 		pipe_config->lane_lat_optim_mask =
-			bxt_ddi_phy_calc_lane_lat_optim_mask(pipe_config->lane_count);
+			bxt_dpio_phy_calc_lane_lat_optim_mask(pipe_config->lane_count);
 
 	intel_dp_audio_compute_config(encoder, pipe_config, conn_state);
 
@@ -1559,24 +1584,41 @@ intel_dp_mst_read_decompression_port_dsc_caps(struct intel_dp *intel_dp,
 static bool detect_dsc_hblank_expansion_quirk(const struct intel_connector *connector)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct drm_dp_aux *aux = connector->dp.dsc_decompression_aux;
 	struct drm_dp_desc desc;
 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
 
-	if (!connector->dp.dsc_decompression_aux)
+	if (!aux)
+		return false;
+
+	/*
+	 * A logical port's OUI (at least for affected sinks) is all 0, so
+	 * instead of that the parent port's OUI is used for identification.
+	 */
+	if (drm_dp_mst_port_is_logical(connector->port)) {
+		aux = drm_dp_mst_aux_for_parent(connector->port);
+		if (!aux)
+			aux = &connector->mst_port->aux;
+	}
+
+	if (drm_dp_read_dpcd_caps(aux, dpcd) < 0)
 		return false;
 
-	if (drm_dp_read_desc(connector->dp.dsc_decompression_aux,
-			     &desc, true) < 0)
+	if (drm_dp_read_desc(aux, &desc, drm_dp_is_branch(dpcd)) < 0)
 		return false;
 
 	if (!drm_dp_has_quirk(&desc,
 			      DP_DPCD_QUIRK_HBLANK_EXPANSION_REQUIRES_DSC))
 		return false;
 
-	if (drm_dp_read_dpcd_caps(connector->dp.dsc_decompression_aux, dpcd) < 0)
-		return false;
-
-	if (!(dpcd[DP_RECEIVE_PORT_0_CAP_0] & DP_HBLANK_EXPANSION_CAPABLE))
+	/*
+	 * UHBR (MST sink) devices requiring this quirk don't advertise the
+	 * HBLANK expansion support. Presuming that they perform HBLANK
+	 * expansion internally, or are affected by this issue on modes with a
+	 * short HBLANK for other reasons.
+	 */
+	if (!drm_dp_128b132b_supported(dpcd) &&
+	    !(dpcd[DP_RECEIVE_PORT_0_CAP_0] & DP_HBLANK_EXPANSION_CAPABLE))
 		return false;
 
 	drm_dbg_kms(&i915->drm,
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
index 2d7a71c8c69c..c72b76b61dff 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
@@ -21,6 +21,7 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "bxt_dpio_phy_regs.h"
 #include "i915_reg.h"
 #include "intel_ddi.h"
 #include "intel_ddi_buf_trans.h"
@@ -123,9 +124,9 @@
  */
 
 /**
- * struct bxt_ddi_phy_info - Hold info for a broxton DDI phy
+ * struct bxt_dpio_phy_info - Hold info for a broxton DDI phy
  */
-struct bxt_ddi_phy_info {
+struct bxt_dpio_phy_info {
 	/**
 	 * @dual_channel: true if this phy has a second channel.
 	 */
@@ -161,7 +162,7 @@ struct bxt_ddi_phy_info {
 	} channel[2];
 };
 
-static const struct bxt_ddi_phy_info bxt_ddi_phy_info[] = {
+static const struct bxt_dpio_phy_info bxt_dpio_phy_info[] = {
 	[DPIO_PHY0] = {
 		.dual_channel = true,
 		.rcomp_phy = DPIO_PHY1,
@@ -183,7 +184,7 @@ static const struct bxt_ddi_phy_info bxt_ddi_phy_info[] = {
 	},
 };
 
-static const struct bxt_ddi_phy_info glk_ddi_phy_info[] = {
+static const struct bxt_dpio_phy_info glk_dpio_phy_info[] = {
 	[DPIO_PHY0] = {
 		.dual_channel = false,
 		.rcomp_phy = DPIO_PHY1,
@@ -216,23 +217,23 @@ static const struct bxt_ddi_phy_info glk_ddi_phy_info[] = {
 	},
 };
 
-static const struct bxt_ddi_phy_info *
+static const struct bxt_dpio_phy_info *
 bxt_get_phy_list(struct drm_i915_private *dev_priv, int *count)
 {
 	if (IS_GEMINILAKE(dev_priv)) {
-		*count =  ARRAY_SIZE(glk_ddi_phy_info);
-		return glk_ddi_phy_info;
+		*count =  ARRAY_SIZE(glk_dpio_phy_info);
+		return glk_dpio_phy_info;
 	} else {
-		*count =  ARRAY_SIZE(bxt_ddi_phy_info);
-		return bxt_ddi_phy_info;
+		*count =  ARRAY_SIZE(bxt_dpio_phy_info);
+		return bxt_dpio_phy_info;
 	}
 }
 
-static const struct bxt_ddi_phy_info *
+static const struct bxt_dpio_phy_info *
 bxt_get_phy_info(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
 	int count;
-	const struct bxt_ddi_phy_info *phy_list =
+	const struct bxt_dpio_phy_info *phy_list =
 		bxt_get_phy_list(dev_priv, &count);
 
 	return &phy_list[phy];
@@ -241,7 +242,7 @@ bxt_get_phy_info(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
 			     enum dpio_phy *phy, enum dpio_channel *ch)
 {
-	const struct bxt_ddi_phy_info *phy_info, *phys;
+	const struct bxt_dpio_phy_info *phy_info, *phys;
 	int i, count;
 
 	phys = bxt_get_phy_list(dev_priv, &count);
@@ -269,16 +270,32 @@ void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
 	*ch = DPIO_CH0;
 }
 
-void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
-				   const struct intel_crtc_state *crtc_state)
+/*
+ * Like intel_de_rmw() but reads from a single per-lane register and
+ * writes to the group register to write the same value to all the lanes.
+ */
+static u32 bxt_dpio_phy_rmw_grp(struct drm_i915_private *i915,
+				i915_reg_t reg_single,
+				i915_reg_t reg_group,
+				u32 clear, u32 set)
+{
+	u32 old, val;
+
+	old = intel_de_read(i915, reg_single);
+	val = (old & ~clear) | set;
+	intel_de_write(i915, reg_group, val);
+
+	return old;
+}
+
+void bxt_dpio_phy_set_signal_levels(struct intel_encoder *encoder,
+				    const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	int level = intel_ddi_level(encoder, crtc_state, 0);
 	const struct intel_ddi_buf_trans *trans;
 	enum dpio_channel ch;
 	enum dpio_phy phy;
-	int n_entries;
-	u32 val;
+	int lane, n_entries;
 
 	trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
 	if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans))
@@ -290,41 +307,51 @@ void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
 	 * While we write to the group register to program all lanes at once we
 	 * can read only lane registers and we pick lanes 0/1 for that.
 	 */
-	val = intel_de_read(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch));
-	val &= ~(TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT);
-	intel_de_write(dev_priv, BXT_PORT_PCS_DW10_GRP(phy, ch), val);
-
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN0(phy, ch));
-	val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE);
-	val |= trans->entries[level].bxt.margin << MARGIN_000_SHIFT |
-		trans->entries[level].bxt.scale << UNIQ_TRANS_SCALE_SHIFT;
-	intel_de_write(dev_priv, BXT_PORT_TX_DW2_GRP(phy, ch), val);
-
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN0(phy, ch));
-	val &= ~SCALE_DCOMP_METHOD;
-	if (trans->entries[level].bxt.enable)
-		val |= SCALE_DCOMP_METHOD;
-
-	if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD))
-		drm_err(&dev_priv->drm,
-			"Disabled scaling while ouniqetrangenmethod was set");
-
-	intel_de_write(dev_priv, BXT_PORT_TX_DW3_GRP(phy, ch), val);
-
-	val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN0(phy, ch));
-	val &= ~DE_EMPHASIS;
-	val |= trans->entries[level].bxt.deemphasis << DEEMPH_SHIFT;
-	intel_de_write(dev_priv, BXT_PORT_TX_DW4_GRP(phy, ch), val);
-
-	val = intel_de_read(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch));
-	val |= TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT;
-	intel_de_write(dev_priv, BXT_PORT_PCS_DW10_GRP(phy, ch), val);
+	bxt_dpio_phy_rmw_grp(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch),
+			     BXT_PORT_PCS_DW10_GRP(phy, ch),
+			     TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT, 0);
+
+	for (lane = 0; lane < crtc_state->lane_count; lane++) {
+		int level = intel_ddi_level(encoder, crtc_state, lane);
+
+		intel_de_rmw(dev_priv, BXT_PORT_TX_DW2_LN(phy, ch, lane),
+			     MARGIN_000_MASK | UNIQ_TRANS_SCALE_MASK,
+			     MARGIN_000(trans->entries[level].bxt.margin) |
+			     UNIQ_TRANS_SCALE(trans->entries[level].bxt.scale));
+	}
+
+	for (lane = 0; lane < crtc_state->lane_count; lane++) {
+		int level = intel_ddi_level(encoder, crtc_state, lane);
+		u32 val;
+
+		intel_de_rmw(dev_priv, BXT_PORT_TX_DW3_LN(phy, ch, lane),
+			     SCALE_DCOMP_METHOD,
+			     trans->entries[level].bxt.enable ?
+			     SCALE_DCOMP_METHOD : 0);
+
+		val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN(phy, ch, lane));
+		if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD))
+			drm_err(&dev_priv->drm,
+				"Disabled scaling while ouniqetrangenmethod was set");
+	}
+
+	for (lane = 0; lane < crtc_state->lane_count; lane++) {
+		int level = intel_ddi_level(encoder, crtc_state, lane);
+
+		intel_de_rmw(dev_priv, BXT_PORT_TX_DW4_LN(phy, ch, lane),
+			     DE_EMPHASIS_MASK,
+			     DE_EMPHASIS(trans->entries[level].bxt.deemphasis));
+	}
+
+	bxt_dpio_phy_rmw_grp(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch),
+			     BXT_PORT_PCS_DW10_GRP(phy, ch),
+			     0, TX2_SWING_CALC_INIT | TX1_SWING_CALC_INIT);
 }
 
-bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
-			    enum dpio_phy phy)
+bool bxt_dpio_phy_is_enabled(struct drm_i915_private *dev_priv,
+			     enum dpio_phy phy)
 {
-	const struct bxt_ddi_phy_info *phy_info;
+	const struct bxt_dpio_phy_info *phy_info;
 
 	phy_info = bxt_get_phy_info(dev_priv, phy);
 
@@ -353,7 +380,7 @@ static u32 bxt_get_grc(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
 	u32 val = intel_de_read(dev_priv, BXT_PORT_REF_DW6(phy));
 
-	return (val & GRC_CODE_MASK) >> GRC_CODE_SHIFT;
+	return REG_FIELD_GET(GRC_CODE_MASK, val);
 }
 
 static void bxt_phy_wait_grc_done(struct drm_i915_private *dev_priv,
@@ -365,20 +392,20 @@ static void bxt_phy_wait_grc_done(struct drm_i915_private *dev_priv,
 			phy);
 }
 
-static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
-			      enum dpio_phy phy)
+static void _bxt_dpio_phy_init(struct drm_i915_private *dev_priv,
+			       enum dpio_phy phy)
 {
-	const struct bxt_ddi_phy_info *phy_info;
+	const struct bxt_dpio_phy_info *phy_info;
 	u32 val;
 
 	phy_info = bxt_get_phy_info(dev_priv, phy);
 
-	if (bxt_ddi_phy_is_enabled(dev_priv, phy)) {
+	if (bxt_dpio_phy_is_enabled(dev_priv, phy)) {
 		/* Still read out the GRC value for state verification */
 		if (phy_info->rcomp_phy != -1)
 			dev_priv->display.state.bxt_phy_grc = bxt_get_grc(dev_priv, phy);
 
-		if (bxt_ddi_phy_verify_state(dev_priv, phy)) {
+		if (bxt_dpio_phy_verify_state(dev_priv, phy)) {
 			drm_dbg(&dev_priv->drm, "DDI PHY %d already enabled, "
 				"won't reprogram it\n", phy);
 			return;
@@ -405,11 +432,11 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
 			phy);
 
 	/* Program PLL Rcomp code offset */
-	intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW9(phy), IREF0RC_OFFSET_MASK,
-		     0xE4 << IREF0RC_OFFSET_SHIFT);
+	intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW9(phy),
+		     IREF0RC_OFFSET_MASK, IREF0RC_OFFSET(0xE4));
 
-	intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW10(phy), IREF1RC_OFFSET_MASK,
-		     0xE4 << IREF1RC_OFFSET_SHIFT);
+	intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW10(phy),
+		     IREF1RC_OFFSET_MASK, IREF1RC_OFFSET(0xE4));
 
 	/* Program power gating */
 	intel_de_rmw(dev_priv, BXT_PORT_CL1CM_DW28(phy), 0,
@@ -432,9 +459,9 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
 		val = bxt_get_grc(dev_priv, phy_info->rcomp_phy);
 		dev_priv->display.state.bxt_phy_grc = val;
 
-		grc_code = val << GRC_CODE_FAST_SHIFT |
-			   val << GRC_CODE_SLOW_SHIFT |
-			   val;
+		grc_code = GRC_CODE_FAST(val) |
+			GRC_CODE_SLOW(val) |
+			GRC_CODE_NOM(val);
 		intel_de_write(dev_priv, BXT_PORT_REF_DW6(phy), grc_code);
 		intel_de_rmw(dev_priv, BXT_PORT_REF_DW8(phy),
 			     0, GRC_DIS | GRC_RDY_OVRD);
@@ -446,9 +473,9 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
 	intel_de_rmw(dev_priv, BXT_PHY_CTL_FAMILY(phy), 0, COMMON_RESET_DIS);
 }
 
-void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
+void bxt_dpio_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
-	const struct bxt_ddi_phy_info *phy_info;
+	const struct bxt_dpio_phy_info *phy_info;
 
 	phy_info = bxt_get_phy_info(dev_priv, phy);
 
@@ -457,9 +484,9 @@ void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 	intel_de_rmw(dev_priv, BXT_P_CR_GT_DISP_PWRON, phy_info->pwron_mask, 0);
 }
 
-void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
+void bxt_dpio_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
-	const struct bxt_ddi_phy_info *phy_info =
+	const struct bxt_dpio_phy_info *phy_info =
 		bxt_get_phy_info(dev_priv, phy);
 	enum dpio_phy rcomp_phy = phy_info->rcomp_phy;
 	bool was_enabled;
@@ -468,19 +495,19 @@ void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 
 	was_enabled = true;
 	if (rcomp_phy != -1)
-		was_enabled = bxt_ddi_phy_is_enabled(dev_priv, rcomp_phy);
+		was_enabled = bxt_dpio_phy_is_enabled(dev_priv, rcomp_phy);
 
 	/*
 	 * We need to copy the GRC calibration value from rcomp_phy,
 	 * so make sure it's powered up.
 	 */
 	if (!was_enabled)
-		_bxt_ddi_phy_init(dev_priv, rcomp_phy);
+		_bxt_dpio_phy_init(dev_priv, rcomp_phy);
 
-	_bxt_ddi_phy_init(dev_priv, phy);
+	_bxt_dpio_phy_init(dev_priv, phy);
 
 	if (!was_enabled)
-		bxt_ddi_phy_uninit(dev_priv, rcomp_phy);
+		bxt_dpio_phy_uninit(dev_priv, rcomp_phy);
 }
 
 static bool __printf(6, 7)
@@ -510,10 +537,10 @@ __phy_reg_verify_state(struct drm_i915_private *dev_priv, enum dpio_phy phy,
 	return false;
 }
 
-bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
-			      enum dpio_phy phy)
+bool bxt_dpio_phy_verify_state(struct drm_i915_private *dev_priv,
+			       enum dpio_phy phy)
 {
-	const struct bxt_ddi_phy_info *phy_info;
+	const struct bxt_dpio_phy_info *phy_info;
 	u32 mask;
 	bool ok;
 
@@ -523,23 +550,23 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 	__phy_reg_verify_state(dev_priv, phy, reg, mask, exp, fmt,	\
 			       ## __VA_ARGS__)
 
-	if (!bxt_ddi_phy_is_enabled(dev_priv, phy))
+	if (!bxt_dpio_phy_is_enabled(dev_priv, phy))
 		return false;
 
 	ok = true;
 
 	/* PLL Rcomp code offset */
 	ok &= _CHK(BXT_PORT_CL1CM_DW9(phy),
-		    IREF0RC_OFFSET_MASK, 0xe4 << IREF0RC_OFFSET_SHIFT,
-		    "BXT_PORT_CL1CM_DW9(%d)", phy);
+		   IREF0RC_OFFSET_MASK, IREF0RC_OFFSET(0xe4),
+		   "BXT_PORT_CL1CM_DW9(%d)", phy);
 	ok &= _CHK(BXT_PORT_CL1CM_DW10(phy),
-		    IREF1RC_OFFSET_MASK, 0xe4 << IREF1RC_OFFSET_SHIFT,
-		    "BXT_PORT_CL1CM_DW10(%d)", phy);
+		   IREF1RC_OFFSET_MASK, IREF1RC_OFFSET(0xe4),
+		   "BXT_PORT_CL1CM_DW10(%d)", phy);
 
 	/* Power gating */
 	mask = OCL1_POWER_DOWN_EN | DW28_OLDO_DYN_PWR_DOWN_EN | SUS_CLK_CONFIG;
 	ok &= _CHK(BXT_PORT_CL1CM_DW28(phy), mask, mask,
-		    "BXT_PORT_CL1CM_DW28(%d)", phy);
+		   "BXT_PORT_CL1CM_DW28(%d)", phy);
 
 	if (phy_info->dual_channel)
 		ok &= _CHK(BXT_PORT_CL2CM_DW6(phy),
@@ -549,9 +576,9 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 	if (phy_info->rcomp_phy != -1) {
 		u32 grc_code = dev_priv->display.state.bxt_phy_grc;
 
-		grc_code = grc_code << GRC_CODE_FAST_SHIFT |
-			   grc_code << GRC_CODE_SLOW_SHIFT |
-			   grc_code;
+		grc_code = GRC_CODE_FAST(grc_code) |
+			GRC_CODE_SLOW(grc_code) |
+			GRC_CODE_NOM(grc_code);
 		mask = GRC_CODE_FAST_MASK | GRC_CODE_SLOW_MASK |
 		       GRC_CODE_NOM_MASK;
 		ok &= _CHK(BXT_PORT_REF_DW6(phy), mask, grc_code,
@@ -559,7 +586,7 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 
 		mask = GRC_DIS | GRC_RDY_OVRD;
 		ok &= _CHK(BXT_PORT_REF_DW8(phy), mask, mask,
-			    "BXT_PORT_REF_DW8(%d)", phy);
+			   "BXT_PORT_REF_DW8(%d)", phy);
 	}
 
 	return ok;
@@ -567,7 +594,7 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 }
 
 u8
-bxt_ddi_phy_calc_lane_lat_optim_mask(u8 lane_count)
+bxt_dpio_phy_calc_lane_lat_optim_mask(u8 lane_count)
 {
 	switch (lane_count) {
 	case 1:
@@ -583,8 +610,8 @@ bxt_ddi_phy_calc_lane_lat_optim_mask(u8 lane_count)
 	}
 }
 
-void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
-				     u8 lane_lat_optim_mask)
+void bxt_dpio_phy_set_lane_optim_mask(struct intel_encoder *encoder,
+				      u8 lane_lat_optim_mask)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
@@ -595,24 +622,18 @@ void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
 	bxt_port_to_phy_channel(dev_priv, port, &phy, &ch);
 
 	for (lane = 0; lane < 4; lane++) {
-		u32 val = intel_de_read(dev_priv,
-					BXT_PORT_TX_DW14_LN(phy, ch, lane));
-
 		/*
 		 * Note that on CHV this flag is called UPAR, but has
 		 * the same function.
 		 */
-		val &= ~LATENCY_OPTIM;
-		if (lane_lat_optim_mask & BIT(lane))
-			val |= LATENCY_OPTIM;
-
-		intel_de_write(dev_priv, BXT_PORT_TX_DW14_LN(phy, ch, lane),
-			       val);
+		intel_de_rmw(dev_priv, BXT_PORT_TX_DW14_LN(phy, ch, lane),
+			     LATENCY_OPTIM,
+			     lane_lat_optim_mask & BIT(lane) ? LATENCY_OPTIM : 0);
 	}
 }
 
 u8
-bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
+bxt_dpio_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.h b/drivers/gpu/drm/i915/display/intel_dpio_phy.h
index 9adc4e8c1738..226994dcb89b 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.h
@@ -29,18 +29,18 @@ enum dpio_phy {
 #ifdef I915
 void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
 			     enum dpio_phy *phy, enum dpio_channel *ch);
-void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
-				   const struct intel_crtc_state *crtc_state);
-void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy);
-void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy);
-bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
-			    enum dpio_phy phy);
-bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
-			      enum dpio_phy phy);
-u8 bxt_ddi_phy_calc_lane_lat_optim_mask(u8 lane_count);
-void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
-				     u8 lane_lat_optim_mask);
-u8 bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder);
+void bxt_dpio_phy_set_signal_levels(struct intel_encoder *encoder,
+				    const struct intel_crtc_state *crtc_state);
+void bxt_dpio_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy);
+void bxt_dpio_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy);
+bool bxt_dpio_phy_is_enabled(struct drm_i915_private *dev_priv,
+			     enum dpio_phy phy);
+bool bxt_dpio_phy_verify_state(struct drm_i915_private *dev_priv,
+			       enum dpio_phy phy);
+u8 bxt_dpio_phy_calc_lane_lat_optim_mask(u8 lane_count);
+void bxt_dpio_phy_set_lane_optim_mask(struct intel_encoder *encoder,
+				      u8 lane_lat_optim_mask);
+u8 bxt_dpio_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder);
 
 enum dpio_channel vlv_dig_port_to_channel(struct intel_digital_port *dig_port);
 enum dpio_phy vlv_dig_port_to_phy(struct intel_digital_port *dig_port);
@@ -77,35 +77,35 @@ static inline void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, en
 					   enum dpio_phy *phy, enum dpio_channel *ch)
 {
 }
-static inline void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
-						 const struct intel_crtc_state *crtc_state)
+static inline void bxt_dpio_phy_set_signal_levels(struct intel_encoder *encoder,
+						  const struct intel_crtc_state *crtc_state)
 {
 }
-static inline void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
+static inline void bxt_dpio_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
 }
-static inline void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
+static inline void bxt_dpio_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy)
 {
 }
-static inline bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
-					  enum dpio_phy phy)
+static inline bool bxt_dpio_phy_is_enabled(struct drm_i915_private *dev_priv,
+					   enum dpio_phy phy)
 {
 	return false;
 }
-static inline bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
-					    enum dpio_phy phy)
+static inline bool bxt_dpio_phy_verify_state(struct drm_i915_private *dev_priv,
+					     enum dpio_phy phy)
 {
 	return true;
 }
-static inline u8 bxt_ddi_phy_calc_lane_lat_optim_mask(u8 lane_count)
+static inline u8 bxt_dpio_phy_calc_lane_lat_optim_mask(u8 lane_count)
 {
 	return 0;
 }
-static inline void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder,
-						   u8 lane_lat_optim_mask)
+static inline void bxt_dpio_phy_set_lane_optim_mask(struct intel_encoder *encoder,
+						    u8 lane_lat_optim_mask)
 {
 }
-static inline u8 bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
+static inline u8 bxt_dpio_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
 {
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index 3038655377ea..49274d632716 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -369,38 +369,68 @@ int chv_calc_dpll_params(int refclk, struct dpll *clock)
 	return clock->dot;
 }
 
-static int i9xx_pll_refclk(struct drm_device *dev,
-			   const struct intel_crtc_state *pipe_config)
+static int i9xx_pll_refclk(const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	u32 dpll = pipe_config->dpll_hw_state.dpll;
+	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 
-	if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN)
-		return dev_priv->display.vbt.lvds_ssc_freq;
-	else if (HAS_PCH_SPLIT(dev_priv))
+	if ((hw_state->dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN)
+		return i915->display.vbt.lvds_ssc_freq;
+	else if (HAS_PCH_SPLIT(i915))
 		return 120000;
-	else if (DISPLAY_VER(dev_priv) != 2)
+	else if (DISPLAY_VER(i915) != 2)
 		return 96000;
 	else
 		return 48000;
 }
 
+void i9xx_dpll_get_hw_state(struct intel_crtc *crtc,
+			    struct intel_dpll_hw_state *dpll_hw_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	struct i9xx_dpll_hw_state *hw_state = &dpll_hw_state->i9xx;
+
+	if (DISPLAY_VER(dev_priv) >= 4) {
+		u32 tmp;
+
+		/* No way to read it out on pipes B and C */
+		if (IS_CHERRYVIEW(dev_priv) && crtc->pipe != PIPE_A)
+			tmp = dev_priv->display.state.chv_dpll_md[crtc->pipe];
+		else
+			tmp = intel_de_read(dev_priv, DPLL_MD(crtc->pipe));
+
+		hw_state->dpll_md = tmp;
+	}
+
+	hw_state->dpll = intel_de_read(dev_priv, DPLL(crtc->pipe));
+
+	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) {
+		hw_state->fp0 = intel_de_read(dev_priv, FP0(crtc->pipe));
+		hw_state->fp1 = intel_de_read(dev_priv, FP1(crtc->pipe));
+	} else {
+		/* Mask out read-only status bits. */
+		hw_state->dpll &= ~(DPLL_LOCK_VLV |
+				    DPLL_PORTC_READY_MASK |
+				    DPLL_PORTB_READY_MASK);
+	}
+}
+
 /* Returns the clock of the currently programmed mode of the given pipe. */
-void i9xx_crtc_clock_get(struct intel_crtc *crtc,
-			 struct intel_crtc_state *pipe_config)
+void i9xx_crtc_clock_get(struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	u32 dpll = pipe_config->dpll_hw_state.dpll;
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
+	u32 dpll = hw_state->dpll;
 	u32 fp;
 	struct dpll clock;
 	int port_clock;
-	int refclk = i9xx_pll_refclk(dev, pipe_config);
+	int refclk = i9xx_pll_refclk(crtc_state);
 
 	if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-		fp = pipe_config->dpll_hw_state.fp0;
+		fp = hw_state->fp0;
 	else
-		fp = pipe_config->dpll_hw_state.fp1;
+		fp = hw_state->fp1;
 
 	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
 	if (IS_PINEVIEW(dev_priv)) {
@@ -475,21 +505,21 @@ void i9xx_crtc_clock_get(struct intel_crtc *crtc,
 	 * port_clock to compute adjusted_mode.crtc_clock in the
 	 * encoder's get_config() function.
 	 */
-	pipe_config->port_clock = port_clock;
+	crtc_state->port_clock = port_clock;
 }
 
-void vlv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config)
+void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	struct dpll clock;
 	u32 mdiv;
 	int refclk = 100000;
 
 	/* In case of DSI, DPLL will not be used */
-	if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0)
+	if ((hw_state->dpll & DPLL_VCO_ENABLE) == 0)
 		return;
 
 	vlv_dpio_get(dev_priv);
@@ -502,22 +532,22 @@ void vlv_crtc_clock_get(struct intel_crtc *crtc,
 	clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7;
 	clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f;
 
-	pipe_config->port_clock = vlv_calc_dpll_params(refclk, &clock);
+	crtc_state->port_clock = vlv_calc_dpll_params(refclk, &clock);
 }
 
-void chv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config)
+void chv_crtc_clock_get(struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum dpio_channel port = vlv_pipe_to_channel(crtc->pipe);
 	enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	struct dpll clock;
 	u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3;
 	int refclk = 100000;
 
 	/* In case of DSI, DPLL will not be used */
-	if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0)
+	if ((hw_state->dpll & DPLL_VCO_ENABLE) == 0)
 		return;
 
 	vlv_dpio_get(dev_priv);
@@ -536,7 +566,7 @@ void chv_crtc_clock_get(struct intel_crtc *crtc,
 	clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7;
 	clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f;
 
-	pipe_config->port_clock = chv_calc_dpll_params(refclk, &clock);
+	crtc_state->port_clock = chv_calc_dpll_params(refclk, &clock);
 }
 
 /*
@@ -958,37 +988,20 @@ static u32 pnv_dpll_compute_fp(const struct dpll *dpll)
 	return (1 << dpll->n) << 16 | dpll->m2;
 }
 
-static void i9xx_update_pll_dividers(struct intel_crtc_state *crtc_state,
-				     const struct dpll *clock,
-				     const struct dpll *reduced_clock)
+static u32 i965_dpll_md(const struct intel_crtc_state *crtc_state)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 fp, fp2;
-
-	if (IS_PINEVIEW(dev_priv)) {
-		fp = pnv_dpll_compute_fp(clock);
-		fp2 = pnv_dpll_compute_fp(reduced_clock);
-	} else {
-		fp = i9xx_dpll_compute_fp(clock);
-		fp2 = i9xx_dpll_compute_fp(reduced_clock);
-	}
-
-	crtc_state->dpll_hw_state.fp0 = fp;
-	crtc_state->dpll_hw_state.fp1 = fp2;
+	return (crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
 }
 
-static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state,
-			      const struct dpll *clock,
-			      const struct dpll *reduced_clock)
+static u32 i9xx_dpll(const struct intel_crtc_state *crtc_state,
+		     const struct dpll *clock,
+		     const struct dpll *reduced_clock)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	u32 dpll;
 
-	i9xx_update_pll_dividers(crtc_state, clock, reduced_clock);
-
-	dpll = DPLL_VGA_MODE_DIS;
+	dpll = DPLL_VCO_ENABLE | DPLL_VGA_MODE_DIS;
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS))
 		dpll |= DPLLB_MODE_LVDS;
@@ -1047,27 +1060,40 @@ static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state,
 	else
 		dpll |= PLL_REF_INPUT_DREFCLK;
 
-	dpll |= DPLL_VCO_ENABLE;
-	crtc_state->dpll_hw_state.dpll = dpll;
-
-	if (DISPLAY_VER(dev_priv) >= 4) {
-		u32 dpll_md = (crtc_state->pixel_multiplier - 1)
-			<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
-		crtc_state->dpll_hw_state.dpll_md = dpll_md;
-	}
+	return dpll;
 }
 
-static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state,
+static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state,
 			      const struct dpll *clock,
 			      const struct dpll *reduced_clock)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 dpll;
+	struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 
-	i9xx_update_pll_dividers(crtc_state, clock, reduced_clock);
+	if (IS_PINEVIEW(dev_priv)) {
+		hw_state->fp0 = pnv_dpll_compute_fp(clock);
+		hw_state->fp1 = pnv_dpll_compute_fp(reduced_clock);
+	} else {
+		hw_state->fp0 = i9xx_dpll_compute_fp(clock);
+		hw_state->fp1 = i9xx_dpll_compute_fp(reduced_clock);
+	}
+
+	hw_state->dpll = i9xx_dpll(crtc_state, clock, reduced_clock);
 
-	dpll = DPLL_VGA_MODE_DIS;
+	if (DISPLAY_VER(dev_priv) >= 4)
+		hw_state->dpll_md = i965_dpll_md(crtc_state);
+}
+
+static u32 i8xx_dpll(const struct intel_crtc_state *crtc_state,
+		     const struct dpll *clock,
+		     const struct dpll *reduced_clock)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	u32 dpll;
+
+	dpll = DPLL_VCO_ENABLE | DPLL_VGA_MODE_DIS;
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) {
 		dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
@@ -1104,8 +1130,19 @@ static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state,
 	else
 		dpll |= PLL_REF_INPUT_DREFCLK;
 
-	dpll |= DPLL_VCO_ENABLE;
-	crtc_state->dpll_hw_state.dpll = dpll;
+	return dpll;
+}
+
+static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state,
+			      const struct dpll *clock,
+			      const struct dpll *reduced_clock)
+{
+	struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
+
+	hw_state->fp0 = i9xx_dpll_compute_fp(clock);
+	hw_state->fp1 = i9xx_dpll_compute_fp(reduced_clock);
+
+	hw_state->dpll = i8xx_dpll(crtc_state, clock, reduced_clock);
 }
 
 static int hsw_crtc_compute_clock(struct intel_atomic_state *state,
@@ -1185,62 +1222,54 @@ static int mtl_crtc_compute_clock(struct intel_atomic_state *state,
 		return ret;
 
 	/* TODO: Do the readback via intel_compute_shared_dplls() */
-	crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->cx0pll_state);
+	crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->dpll_hw_state.cx0pll);
 
 	crtc_state->hw.adjusted_mode.crtc_clock = intel_crtc_dotclock(crtc_state);
 
 	return 0;
 }
 
+static int ilk_fb_cb_factor(const struct intel_crtc_state *crtc_state)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
+
+	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) &&
+	    ((intel_panel_use_ssc(i915) && i915->display.vbt.lvds_ssc_freq == 100000) ||
+	     (HAS_PCH_IBX(i915) && intel_is_dual_link_lvds(i915))))
+		return 25;
+
+	if (crtc_state->sdvo_tv_clock)
+		return 20;
+
+	return 21;
+}
+
 static bool ilk_needs_fb_cb_tune(const struct dpll *dpll, int factor)
 {
 	return dpll->m < factor * dpll->n;
 }
 
-static void ilk_update_pll_dividers(struct intel_crtc_state *crtc_state,
-				    const struct dpll *clock,
-				    const struct dpll *reduced_clock)
+static u32 ilk_dpll_compute_fp(const struct dpll *clock, int factor)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 fp, fp2;
-	int factor;
-
-	/* Enable autotuning of the PLL clock (if permissible) */
-	factor = 21;
-	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) {
-		if ((intel_panel_use_ssc(dev_priv) &&
-		     dev_priv->display.vbt.lvds_ssc_freq == 100000) ||
-		    (HAS_PCH_IBX(dev_priv) &&
-		     intel_is_dual_link_lvds(dev_priv)))
-			factor = 25;
-	} else if (crtc_state->sdvo_tv_clock) {
-		factor = 20;
-	}
+	u32 fp;
 
 	fp = i9xx_dpll_compute_fp(clock);
 	if (ilk_needs_fb_cb_tune(clock, factor))
 		fp |= FP_CB_TUNE;
 
-	fp2 = i9xx_dpll_compute_fp(reduced_clock);
-	if (ilk_needs_fb_cb_tune(reduced_clock, factor))
-		fp2 |= FP_CB_TUNE;
-
-	crtc_state->dpll_hw_state.fp0 = fp;
-	crtc_state->dpll_hw_state.fp1 = fp2;
+	return fp;
 }
 
-static void ilk_compute_dpll(struct intel_crtc_state *crtc_state,
-			     const struct dpll *clock,
-			     const struct dpll *reduced_clock)
+static u32 ilk_dpll(const struct intel_crtc_state *crtc_state,
+		    const struct dpll *clock,
+		    const struct dpll *reduced_clock)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	u32 dpll;
 
-	ilk_update_pll_dividers(crtc_state, clock, reduced_clock);
-
-	dpll = 0;
+	dpll = DPLL_VCO_ENABLE;
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS))
 		dpll |= DPLLB_MODE_LVDS;
@@ -1302,9 +1331,20 @@ static void ilk_compute_dpll(struct intel_crtc_state *crtc_state,
 	else
 		dpll |= PLL_REF_INPUT_DREFCLK;
 
-	dpll |= DPLL_VCO_ENABLE;
+	return dpll;
+}
 
-	crtc_state->dpll_hw_state.dpll = dpll;
+static void ilk_compute_dpll(struct intel_crtc_state *crtc_state,
+			     const struct dpll *clock,
+			     const struct dpll *reduced_clock)
+{
+	struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
+	int factor = ilk_fb_cb_factor(crtc_state);
+
+	hw_state->fp0 = ilk_dpll_compute_fp(clock, factor);
+	hw_state->fp1 = ilk_dpll_compute_fp(reduced_clock, factor);
+
+	hw_state->dpll = ilk_dpll(crtc_state, clock, reduced_clock);
 }
 
 static int ilk_crtc_compute_clock(struct intel_atomic_state *state,
@@ -1377,39 +1417,56 @@ static int ilk_crtc_get_shared_dpll(struct intel_atomic_state *state,
 	return intel_reserve_shared_dplls(state, crtc, NULL);
 }
 
-void vlv_compute_dpll(struct intel_crtc_state *crtc_state)
+static u32 vlv_dpll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	u32 dpll;
 
-	crtc_state->dpll_hw_state.dpll = DPLL_INTEGRATED_REF_CLK_VLV |
+	dpll = DPLL_INTEGRATED_REF_CLK_VLV |
 		DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS;
+
 	if (crtc->pipe != PIPE_A)
-		crtc_state->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
+		dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
 
 	/* DPLL not used with DSI, but still need the rest set up */
 	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
-		crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE |
-			DPLL_EXT_BUFFER_ENABLE_VLV;
+		dpll |= DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV;
 
-	crtc_state->dpll_hw_state.dpll_md =
-		(crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+	return dpll;
 }
 
-void chv_compute_dpll(struct intel_crtc_state *crtc_state)
+void vlv_compute_dpll(struct intel_crtc_state *crtc_state)
+{
+	struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
+
+	hw_state->dpll = vlv_dpll(crtc_state);
+	hw_state->dpll_md = i965_dpll_md(crtc_state);
+}
+
+static u32 chv_dpll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	u32 dpll;
 
-	crtc_state->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV |
+	dpll = DPLL_SSC_REF_CLK_CHV |
 		DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS;
+
 	if (crtc->pipe != PIPE_A)
-		crtc_state->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
+		dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
 
 	/* DPLL not used with DSI, but still need the rest set up */
 	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
-		crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE;
+		dpll |= DPLL_VCO_ENABLE;
+
+	return dpll;
+}
+
+void chv_compute_dpll(struct intel_crtc_state *crtc_state)
+{
+	struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 
-	crtc_state->dpll_hw_state.dpll_md =
-		(crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+	hw_state->dpll = chv_dpll(crtc_state);
+	hw_state->dpll_md = i965_dpll_md(crtc_state);
 }
 
 static int chv_crtc_compute_clock(struct intel_atomic_state *state,
@@ -1765,7 +1822,7 @@ void i9xx_enable_pll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 dpll = crtc_state->dpll_hw_state.dpll;
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	enum pipe pipe = crtc->pipe;
 	int i;
 
@@ -1775,36 +1832,35 @@ void i9xx_enable_pll(const struct intel_crtc_state *crtc_state)
 	if (i9xx_has_pps(dev_priv))
 		assert_pps_unlocked(dev_priv, pipe);
 
-	intel_de_write(dev_priv, FP0(pipe), crtc_state->dpll_hw_state.fp0);
-	intel_de_write(dev_priv, FP1(pipe), crtc_state->dpll_hw_state.fp1);
+	intel_de_write(dev_priv, FP0(pipe), hw_state->fp0);
+	intel_de_write(dev_priv, FP1(pipe), hw_state->fp1);
 
 	/*
 	 * Apparently we need to have VGA mode enabled prior to changing
 	 * the P1/P2 dividers. Otherwise the DPLL will keep using the old
 	 * dividers, even though the register value does change.
 	 */
-	intel_de_write(dev_priv, DPLL(pipe), dpll & ~DPLL_VGA_MODE_DIS);
-	intel_de_write(dev_priv, DPLL(pipe), dpll);
+	intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll & ~DPLL_VGA_MODE_DIS);
+	intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll);
 
 	/* Wait for the clocks to stabilize. */
 	intel_de_posting_read(dev_priv, DPLL(pipe));
 	udelay(150);
 
 	if (DISPLAY_VER(dev_priv) >= 4) {
-		intel_de_write(dev_priv, DPLL_MD(pipe),
-			       crtc_state->dpll_hw_state.dpll_md);
+		intel_de_write(dev_priv, DPLL_MD(pipe), hw_state->dpll_md);
 	} else {
 		/* The pixel multiplier can only be updated once the
 		 * DPLL is enabled and the clocks are stable.
 		 *
 		 * So write it again.
 		 */
-		intel_de_write(dev_priv, DPLL(pipe), dpll);
+		intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll);
 	}
 
 	/* We do this three times for luck */
 	for (i = 0; i < 3; i++) {
-		intel_de_write(dev_priv, DPLL(pipe), dpll);
+		intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll);
 		intel_de_posting_read(dev_priv, DPLL(pipe));
 		udelay(150); /* wait for warmup */
 	}
@@ -1934,9 +1990,10 @@ static void _vlv_enable_pll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	enum pipe pipe = crtc->pipe;
 
-	intel_de_write(dev_priv, DPLL(pipe), crtc_state->dpll_hw_state.dpll);
+	intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll);
 	intel_de_posting_read(dev_priv, DPLL(pipe));
 	udelay(150);
 
@@ -1948,6 +2005,7 @@ void vlv_enable_pll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	enum pipe pipe = crtc->pipe;
 
 	assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder);
@@ -1957,16 +2015,14 @@ void vlv_enable_pll(const struct intel_crtc_state *crtc_state)
 
 	/* Enable Refclk */
 	intel_de_write(dev_priv, DPLL(pipe),
-		       crtc_state->dpll_hw_state.dpll &
-		       ~(DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV));
+		       hw_state->dpll & ~(DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV));
 
-	if (crtc_state->dpll_hw_state.dpll & DPLL_VCO_ENABLE) {
+	if (hw_state->dpll & DPLL_VCO_ENABLE) {
 		vlv_prepare_pll(crtc_state);
 		_vlv_enable_pll(crtc_state);
 	}
 
-	intel_de_write(dev_priv, DPLL_MD(pipe),
-		       crtc_state->dpll_hw_state.dpll_md);
+	intel_de_write(dev_priv, DPLL_MD(pipe), hw_state->dpll_md);
 	intel_de_posting_read(dev_priv, DPLL_MD(pipe));
 }
 
@@ -2069,6 +2125,7 @@ static void _chv_enable_pll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	enum pipe pipe = crtc->pipe;
 	enum dpio_channel port = vlv_pipe_to_channel(pipe);
 	enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
@@ -2089,7 +2146,7 @@ static void _chv_enable_pll(const struct intel_crtc_state *crtc_state)
 	udelay(1);
 
 	/* Enable PLL */
-	intel_de_write(dev_priv, DPLL(pipe), crtc_state->dpll_hw_state.dpll);
+	intel_de_write(dev_priv, DPLL(pipe), hw_state->dpll);
 
 	/* Check PLL is locked */
 	if (intel_de_wait_for_set(dev_priv, DPLL(pipe), DPLL_LOCK_VLV, 1))
@@ -2100,6 +2157,7 @@ void chv_enable_pll(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
 	enum pipe pipe = crtc->pipe;
 
 	assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder);
@@ -2109,9 +2167,9 @@ void chv_enable_pll(const struct intel_crtc_state *crtc_state)
 
 	/* Enable Refclk and SSC */
 	intel_de_write(dev_priv, DPLL(pipe),
-		       crtc_state->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE);
+		       hw_state->dpll & ~DPLL_VCO_ENABLE);
 
-	if (crtc_state->dpll_hw_state.dpll & DPLL_VCO_ENABLE) {
+	if (hw_state->dpll & DPLL_VCO_ENABLE) {
 		chv_prepare_pll(crtc_state);
 		_chv_enable_pll(crtc_state);
 	}
@@ -2124,10 +2182,9 @@ void chv_enable_pll(const struct intel_crtc_state *crtc_state)
 		 * the value from DPLLBMD to either pipe B or C.
 		 */
 		intel_de_write(dev_priv, CBR4_VLV, CBR_DPLLBMD_PIPE(pipe));
-		intel_de_write(dev_priv, DPLL_MD(PIPE_B),
-			       crtc_state->dpll_hw_state.dpll_md);
+		intel_de_write(dev_priv, DPLL_MD(PIPE_B), hw_state->dpll_md);
 		intel_de_write(dev_priv, CBR4_VLV, 0);
-		dev_priv->display.state.chv_dpll_md[pipe] = crtc_state->dpll_hw_state.dpll_md;
+		dev_priv->display.state.chv_dpll_md[pipe] = hw_state->dpll_md;
 
 		/*
 		 * DPLLB VGA mode also seems to cause problems.
@@ -2137,8 +2194,7 @@ void chv_enable_pll(const struct intel_crtc_state *crtc_state)
 			    (intel_de_read(dev_priv, DPLL(PIPE_B)) &
 			     DPLL_VGA_MODE_DIS) == 0);
 	} else {
-		intel_de_write(dev_priv, DPLL_MD(pipe),
-			       crtc_state->dpll_hw_state.dpll_md);
+		intel_de_write(dev_priv, DPLL_MD(pipe), hw_state->dpll_md);
 		intel_de_posting_read(dev_priv, DPLL_MD(pipe));
 	}
 }
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.h b/drivers/gpu/drm/i915/display/intel_dpll.h
index ac01bb19cc6c..a86a79408af0 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll.h
@@ -13,6 +13,7 @@ struct drm_i915_private;
 struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
+struct intel_dpll_hw_state;
 enum pipe;
 
 void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
@@ -22,6 +23,8 @@ int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state,
 				    struct intel_crtc *crtc);
 int i9xx_calc_dpll_params(int refclk, struct dpll *clock);
 u32 i9xx_dpll_compute_fp(const struct dpll *dpll);
+void i9xx_dpll_get_hw_state(struct intel_crtc *crtc,
+			    struct intel_dpll_hw_state *dpll_hw_state);
 void vlv_compute_dpll(struct intel_crtc_state *crtc_state);
 void chv_compute_dpll(struct intel_crtc_state *crtc_state);
 
@@ -39,12 +42,9 @@ bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
 			struct dpll *best_clock);
 int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
 
-void i9xx_crtc_clock_get(struct intel_crtc *crtc,
-			 struct intel_crtc_state *pipe_config);
-void vlv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config);
-void chv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config);
+void i9xx_crtc_clock_get(struct intel_crtc_state *crtc_state);
+void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state);
+void chv_crtc_clock_get(struct intel_crtc_state *crtc_state);
 
 void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
 void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe);
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 9ff6c4cc2e4b..90998b037349 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -24,6 +24,7 @@
 #include <linux/math.h>
 #include <linux/string_helpers.h>
 
+#include "bxt_dpio_phy_regs.h"
 #include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
@@ -64,7 +65,8 @@ struct intel_shared_dpll_funcs {
 	 * the pll is not already enabled.
 	 */
 	void (*enable)(struct drm_i915_private *i915,
-		       struct intel_shared_dpll *pll);
+		       struct intel_shared_dpll *pll,
+		       const struct intel_dpll_hw_state *dpll_hw_state);
 
 	/*
 	 * Hook for disabling the pll, called from intel_disable_shared_dpll()
@@ -81,7 +83,7 @@ struct intel_shared_dpll_funcs {
 	 */
 	bool (*get_hw_state)(struct drm_i915_private *i915,
 			     struct intel_shared_dpll *pll,
-			     struct intel_dpll_hw_state *hw_state);
+			     struct intel_dpll_hw_state *dpll_hw_state);
 
 	/*
 	 * Hook for calculating the pll's output frequency based on its passed
@@ -89,7 +91,7 @@ struct intel_shared_dpll_funcs {
 	 */
 	int (*get_freq)(struct drm_i915_private *i915,
 			const struct intel_shared_dpll *pll,
-			const struct intel_dpll_hw_state *pll_state);
+			const struct intel_dpll_hw_state *dpll_hw_state);
 };
 
 struct intel_dpll_mgr {
@@ -108,7 +110,7 @@ struct intel_dpll_mgr {
 				   struct intel_encoder *encoder);
 	void (*update_ref_clks)(struct drm_i915_private *i915);
 	void (*dump_hw_state)(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state);
+			      const struct intel_dpll_hw_state *dpll_hw_state);
 	bool (*compare_hw_state)(const struct intel_dpll_hw_state *a,
 				 const struct intel_dpll_hw_state *b);
 };
@@ -227,7 +229,7 @@ static void _intel_enable_shared_dpll(struct drm_i915_private *i915,
 	if (pll->info->power_domain)
 		pll->wakeref = intel_display_power_get(i915, pll->info->power_domain);
 
-	pll->info->funcs->enable(i915, pll);
+	pll->info->funcs->enable(i915, pll, &pll->state.hw_state);
 	pll->on = true;
 }
 
@@ -352,7 +354,7 @@ intel_dpll_mask_all(struct drm_i915_private *i915)
 static struct intel_shared_dpll *
 intel_find_shared_dpll(struct intel_atomic_state *state,
 		       const struct intel_crtc *crtc,
-		       const struct intel_dpll_hw_state *pll_state,
+		       const struct intel_dpll_hw_state *dpll_hw_state,
 		       unsigned long dpll_mask)
 {
 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
@@ -379,9 +381,9 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
 			continue;
 		}
 
-		if (memcmp(pll_state,
+		if (memcmp(dpll_hw_state,
 			   &shared_dpll[pll->index].hw_state,
-			   sizeof(*pll_state)) == 0) {
+			   sizeof(*dpll_hw_state)) == 0) {
 			drm_dbg_kms(&i915->drm,
 				    "[CRTC:%d:%s] sharing existing %s (pipe mask 0x%x, active 0x%x)\n",
 				    crtc->base.base.id, crtc->base.name,
@@ -430,14 +432,14 @@ static void
 intel_reference_shared_dpll(struct intel_atomic_state *state,
 			    const struct intel_crtc *crtc,
 			    const struct intel_shared_dpll *pll,
-			    const struct intel_dpll_hw_state *pll_state)
+			    const struct intel_dpll_hw_state *dpll_hw_state)
 {
 	struct intel_shared_dpll_state *shared_dpll;
 
 	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
 
 	if (shared_dpll[pll->index].pipe_mask == 0)
-		shared_dpll[pll->index].hw_state = *pll_state;
+		shared_dpll[pll->index].hw_state = *dpll_hw_state;
 
 	intel_reference_shared_dpll_crtc(crtc, pll, &shared_dpll[pll->index]);
 }
@@ -519,8 +521,9 @@ void intel_shared_dpll_swap_state(struct intel_atomic_state *state)
 
 static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *i915,
 				      struct intel_shared_dpll *pll,
-				      struct intel_dpll_hw_state *hw_state)
+				      struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct i9xx_dpll_hw_state *hw_state = &dpll_hw_state->i9xx;
 	const enum intel_dpll_id id = pll->info->id;
 	intel_wakeref_t wakeref;
 	u32 val;
@@ -553,17 +556,19 @@ static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *i915)
 }
 
 static void ibx_pch_dpll_enable(struct drm_i915_private *i915,
-				struct intel_shared_dpll *pll)
+				struct intel_shared_dpll *pll,
+				const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct i9xx_dpll_hw_state *hw_state = &dpll_hw_state->i9xx;
 	const enum intel_dpll_id id = pll->info->id;
 
 	/* PCH refclock must be enabled first */
 	ibx_assert_pch_refclk_enabled(i915);
 
-	intel_de_write(i915, PCH_FP0(id), pll->state.hw_state.fp0);
-	intel_de_write(i915, PCH_FP1(id), pll->state.hw_state.fp1);
+	intel_de_write(i915, PCH_FP0(id), hw_state->fp0);
+	intel_de_write(i915, PCH_FP1(id), hw_state->fp1);
 
-	intel_de_write(i915, PCH_DPLL(id), pll->state.hw_state.dpll);
+	intel_de_write(i915, PCH_DPLL(id), hw_state->dpll);
 
 	/* Wait for the clocks to stabilize. */
 	intel_de_posting_read(i915, PCH_DPLL(id));
@@ -574,7 +579,7 @@ static void ibx_pch_dpll_enable(struct drm_i915_private *i915,
 	 *
 	 * So write it again.
 	 */
-	intel_de_write(i915, PCH_DPLL(id), pll->state.hw_state.dpll);
+	intel_de_write(i915, PCH_DPLL(id), hw_state->dpll);
 	intel_de_posting_read(i915, PCH_DPLL(id));
 	udelay(200);
 }
@@ -635,8 +640,10 @@ static int ibx_get_dpll(struct intel_atomic_state *state,
 }
 
 static void ibx_dump_hw_state(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct i9xx_dpll_hw_state *hw_state = &dpll_hw_state->i9xx;
+
 	drm_printf(p, "dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
 		   "fp0: 0x%x, fp1: 0x%x\n",
 		   hw_state->dpll,
@@ -645,9 +652,12 @@ static void ibx_dump_hw_state(struct drm_printer *p,
 		   hw_state->fp1);
 }
 
-static bool ibx_compare_hw_state(const struct intel_dpll_hw_state *a,
-				 const struct intel_dpll_hw_state *b)
+static bool ibx_compare_hw_state(const struct intel_dpll_hw_state *_a,
+				 const struct intel_dpll_hw_state *_b)
 {
+	const struct i9xx_dpll_hw_state *a = &_a->i9xx;
+	const struct i9xx_dpll_hw_state *b = &_b->i9xx;
+
 	return a->dpll == b->dpll &&
 		a->dpll_md == b->dpll_md &&
 		a->fp0 == b->fp0 &&
@@ -676,19 +686,24 @@ static const struct intel_dpll_mgr pch_pll_mgr = {
 };
 
 static void hsw_ddi_wrpll_enable(struct drm_i915_private *i915,
-				 struct intel_shared_dpll *pll)
+				 struct intel_shared_dpll *pll,
+				 const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
 	const enum intel_dpll_id id = pll->info->id;
 
-	intel_de_write(i915, WRPLL_CTL(id), pll->state.hw_state.wrpll);
+	intel_de_write(i915, WRPLL_CTL(id), hw_state->wrpll);
 	intel_de_posting_read(i915, WRPLL_CTL(id));
 	udelay(20);
 }
 
 static void hsw_ddi_spll_enable(struct drm_i915_private *i915,
-				struct intel_shared_dpll *pll)
+				struct intel_shared_dpll *pll,
+				const struct intel_dpll_hw_state *dpll_hw_state)
 {
-	intel_de_write(i915, SPLL_CTL, pll->state.hw_state.spll);
+	const struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
+
+	intel_de_write(i915, SPLL_CTL, hw_state->spll);
 	intel_de_posting_read(i915, SPLL_CTL);
 	udelay(20);
 }
@@ -727,8 +742,9 @@ static void hsw_ddi_spll_disable(struct drm_i915_private *i915,
 
 static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *i915,
 				       struct intel_shared_dpll *pll,
-				       struct intel_dpll_hw_state *hw_state)
+				       struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
 	const enum intel_dpll_id id = pll->info->id;
 	intel_wakeref_t wakeref;
 	u32 val;
@@ -748,8 +764,9 @@ static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *i915,
 
 static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *i915,
 				      struct intel_shared_dpll *pll,
-				      struct intel_dpll_hw_state *hw_state)
+				      struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
 	intel_wakeref_t wakeref;
 	u32 val;
 
@@ -974,11 +991,12 @@ hsw_ddi_calculate_wrpll(int clock /* in Hz */,
 
 static int hsw_ddi_wrpll_get_freq(struct drm_i915_private *i915,
 				  const struct intel_shared_dpll *pll,
-				  const struct intel_dpll_hw_state *pll_state)
+				  const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
 	int refclk;
 	int n, p, r;
-	u32 wrpll = pll_state->wrpll;
+	u32 wrpll = hw_state->wrpll;
 
 	switch (wrpll & WRPLL_REF_MASK) {
 	case WRPLL_REF_SPECIAL_HSW:
@@ -1019,11 +1037,12 @@ hsw_ddi_wrpll_compute_dpll(struct intel_atomic_state *state,
 	struct drm_i915_private *i915 = to_i915(state->base.dev);
 	struct intel_crtc_state *crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
+	struct hsw_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.hsw;
 	unsigned int p, n2, r2;
 
 	hsw_ddi_calculate_wrpll(crtc_state->port_clock * 1000, &r2, &n2, &p);
 
-	crtc_state->dpll_hw_state.wrpll =
+	hw_state->wrpll =
 		WRPLL_PLL_ENABLE | WRPLL_REF_LCPLL |
 		WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) |
 		WRPLL_DIVIDER_POST(p);
@@ -1098,7 +1117,7 @@ hsw_ddi_lcpll_get_dpll(struct intel_crtc_state *crtc_state)
 
 static int hsw_ddi_lcpll_get_freq(struct drm_i915_private *i915,
 				  const struct intel_shared_dpll *pll,
-				  const struct intel_dpll_hw_state *pll_state)
+				  const struct intel_dpll_hw_state *dpll_hw_state)
 {
 	int link_clock = 0;
 
@@ -1126,11 +1145,12 @@ hsw_ddi_spll_compute_dpll(struct intel_atomic_state *state,
 {
 	struct intel_crtc_state *crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
+	struct hsw_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.hsw;
 
 	if (drm_WARN_ON(crtc->base.dev, crtc_state->port_clock / 2 != 135000))
 		return -EINVAL;
 
-	crtc_state->dpll_hw_state.spll =
+	hw_state->spll =
 		SPLL_PLL_ENABLE | SPLL_FREQ_1350MHz | SPLL_REF_MUXED_SSC;
 
 	return 0;
@@ -1149,11 +1169,12 @@ hsw_ddi_spll_get_dpll(struct intel_atomic_state *state,
 
 static int hsw_ddi_spll_get_freq(struct drm_i915_private *i915,
 				 const struct intel_shared_dpll *pll,
-				 const struct intel_dpll_hw_state *pll_state)
+				 const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
 	int link_clock = 0;
 
-	switch (pll_state->spll & SPLL_FREQ_MASK) {
+	switch (hw_state->spll & SPLL_FREQ_MASK) {
 	case SPLL_FREQ_810MHz:
 		link_clock = 81000;
 		break;
@@ -1225,15 +1246,20 @@ static void hsw_update_dpll_ref_clks(struct drm_i915_private *i915)
 }
 
 static void hsw_dump_hw_state(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct hsw_dpll_hw_state *hw_state = &dpll_hw_state->hsw;
+
 	drm_printf(p, "dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
 		   hw_state->wrpll, hw_state->spll);
 }
 
-static bool hsw_compare_hw_state(const struct intel_dpll_hw_state *a,
-				 const struct intel_dpll_hw_state *b)
+static bool hsw_compare_hw_state(const struct intel_dpll_hw_state *_a,
+				 const struct intel_dpll_hw_state *_b)
 {
+	const struct hsw_dpll_hw_state *a = &_a->hsw;
+	const struct hsw_dpll_hw_state *b = &_b->hsw;
+
 	return a->wrpll == b->wrpll &&
 		a->spll == b->spll;
 }
@@ -1253,7 +1279,8 @@ static const struct intel_shared_dpll_funcs hsw_ddi_spll_funcs = {
 };
 
 static void hsw_ddi_lcpll_enable(struct drm_i915_private *i915,
-				 struct intel_shared_dpll *pll)
+				 struct intel_shared_dpll *pll,
+				 const struct intel_dpll_hw_state *hw_state)
 {
 }
 
@@ -1264,7 +1291,7 @@ static void hsw_ddi_lcpll_disable(struct drm_i915_private *i915,
 
 static bool hsw_ddi_lcpll_get_hw_state(struct drm_i915_private *i915,
 				       struct intel_shared_dpll *pll,
-				       struct intel_dpll_hw_state *hw_state)
+				       struct intel_dpll_hw_state *dpll_hw_state)
 {
 	return true;
 }
@@ -1331,26 +1358,31 @@ static const struct skl_dpll_regs skl_dpll_regs[4] = {
 };
 
 static void skl_ddi_pll_write_ctrl1(struct drm_i915_private *i915,
-				    struct intel_shared_dpll *pll)
+				    struct intel_shared_dpll *pll,
+				    const struct skl_dpll_hw_state *hw_state)
 {
 	const enum intel_dpll_id id = pll->info->id;
 
 	intel_de_rmw(i915, DPLL_CTRL1,
-		     DPLL_CTRL1_HDMI_MODE(id) | DPLL_CTRL1_SSC(id) | DPLL_CTRL1_LINK_RATE_MASK(id),
-		     pll->state.hw_state.ctrl1 << (id * 6));
+		     DPLL_CTRL1_HDMI_MODE(id) |
+		     DPLL_CTRL1_SSC(id) |
+		     DPLL_CTRL1_LINK_RATE_MASK(id),
+		     hw_state->ctrl1 << (id * 6));
 	intel_de_posting_read(i915, DPLL_CTRL1);
 }
 
 static void skl_ddi_pll_enable(struct drm_i915_private *i915,
-			       struct intel_shared_dpll *pll)
+			       struct intel_shared_dpll *pll,
+			       const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
 	const struct skl_dpll_regs *regs = skl_dpll_regs;
 	const enum intel_dpll_id id = pll->info->id;
 
-	skl_ddi_pll_write_ctrl1(i915, pll);
+	skl_ddi_pll_write_ctrl1(i915, pll, hw_state);
 
-	intel_de_write(i915, regs[id].cfgcr1, pll->state.hw_state.cfgcr1);
-	intel_de_write(i915, regs[id].cfgcr2, pll->state.hw_state.cfgcr2);
+	intel_de_write(i915, regs[id].cfgcr1, hw_state->cfgcr1);
+	intel_de_write(i915, regs[id].cfgcr2, hw_state->cfgcr2);
 	intel_de_posting_read(i915, regs[id].cfgcr1);
 	intel_de_posting_read(i915, regs[id].cfgcr2);
 
@@ -1362,9 +1394,12 @@ static void skl_ddi_pll_enable(struct drm_i915_private *i915,
 }
 
 static void skl_ddi_dpll0_enable(struct drm_i915_private *i915,
-				 struct intel_shared_dpll *pll)
+				 struct intel_shared_dpll *pll,
+				 const struct intel_dpll_hw_state *dpll_hw_state)
 {
-	skl_ddi_pll_write_ctrl1(i915, pll);
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
+
+	skl_ddi_pll_write_ctrl1(i915, pll, hw_state);
 }
 
 static void skl_ddi_pll_disable(struct drm_i915_private *i915,
@@ -1385,13 +1420,14 @@ static void skl_ddi_dpll0_disable(struct drm_i915_private *i915,
 
 static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *i915,
 				     struct intel_shared_dpll *pll,
-				     struct intel_dpll_hw_state *hw_state)
+				     struct intel_dpll_hw_state *dpll_hw_state)
 {
-	u32 val;
+	struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
 	const struct skl_dpll_regs *regs = skl_dpll_regs;
 	const enum intel_dpll_id id = pll->info->id;
 	intel_wakeref_t wakeref;
 	bool ret;
+	u32 val;
 
 	wakeref = intel_display_power_get_if_enabled(i915,
 						     POWER_DOMAIN_DISPLAY_CORE);
@@ -1422,8 +1458,9 @@ out:
 
 static bool skl_ddi_dpll0_get_hw_state(struct drm_i915_private *i915,
 				       struct intel_shared_dpll *pll,
-				       struct intel_dpll_hw_state *hw_state)
+				       struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
 	const struct skl_dpll_regs *regs = skl_dpll_regs;
 	const enum intel_dpll_id id = pll->info->id;
 	intel_wakeref_t wakeref;
@@ -1694,16 +1731,17 @@ skip_remaining_dividers:
 
 static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915,
 				  const struct intel_shared_dpll *pll,
-				  const struct intel_dpll_hw_state *pll_state)
+				  const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
 	int ref_clock = i915->display.dpll.ref_clks.nssc;
 	u32 p0, p1, p2, dco_freq;
 
-	p0 = pll_state->cfgcr2 & DPLL_CFGCR2_PDIV_MASK;
-	p2 = pll_state->cfgcr2 & DPLL_CFGCR2_KDIV_MASK;
+	p0 = hw_state->cfgcr2 & DPLL_CFGCR2_PDIV_MASK;
+	p2 = hw_state->cfgcr2 & DPLL_CFGCR2_KDIV_MASK;
 
-	if (pll_state->cfgcr2 &  DPLL_CFGCR2_QDIV_MODE(1))
-		p1 = (pll_state->cfgcr2 & DPLL_CFGCR2_QDIV_RATIO_MASK) >> 8;
+	if (hw_state->cfgcr2 &  DPLL_CFGCR2_QDIV_MODE(1))
+		p1 = (hw_state->cfgcr2 & DPLL_CFGCR2_QDIV_RATIO_MASK) >> 8;
 	else
 		p1 = 1;
 
@@ -1751,10 +1789,10 @@ static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915,
 		return 0;
 	}
 
-	dco_freq = (pll_state->cfgcr1 & DPLL_CFGCR1_DCO_INTEGER_MASK) *
+	dco_freq = (hw_state->cfgcr1 & DPLL_CFGCR1_DCO_INTEGER_MASK) *
 		   ref_clock;
 
-	dco_freq += ((pll_state->cfgcr1 & DPLL_CFGCR1_DCO_FRACTION_MASK) >> 9) *
+	dco_freq += ((hw_state->cfgcr1 & DPLL_CFGCR1_DCO_FRACTION_MASK) >> 9) *
 		    ref_clock / 0x8000;
 
 	if (drm_WARN_ON(&i915->drm, p0 == 0 || p1 == 0 || p2 == 0))
@@ -1766,37 +1804,35 @@ static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915,
 static int skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+	struct skl_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.skl;
 	struct skl_wrpll_params wrpll_params = {};
-	u32 ctrl1, cfgcr1, cfgcr2;
 	int ret;
 
-	/*
-	 * See comment in intel_dpll_hw_state to understand why we always use 0
-	 * as the DPLL id in this function.
-	 */
-	ctrl1 = DPLL_CTRL1_OVERRIDE(0);
-
-	ctrl1 |= DPLL_CTRL1_HDMI_MODE(0);
-
 	ret = skl_ddi_calculate_wrpll(crtc_state->port_clock * 1000,
 				      i915->display.dpll.ref_clks.nssc, &wrpll_params);
 	if (ret)
 		return ret;
 
-	cfgcr1 = DPLL_CFGCR1_FREQ_ENABLE |
+	/*
+	 * See comment in intel_dpll_hw_state to understand why we always use 0
+	 * as the DPLL id in this function.
+	 */
+	hw_state->ctrl1 =
+		DPLL_CTRL1_OVERRIDE(0) |
+		DPLL_CTRL1_HDMI_MODE(0);
+
+	hw_state->cfgcr1 =
+		DPLL_CFGCR1_FREQ_ENABLE |
 		DPLL_CFGCR1_DCO_FRACTION(wrpll_params.dco_fraction) |
 		wrpll_params.dco_integer;
 
-	cfgcr2 = DPLL_CFGCR2_QDIV_RATIO(wrpll_params.qdiv_ratio) |
+	hw_state->cfgcr2 =
+		DPLL_CFGCR2_QDIV_RATIO(wrpll_params.qdiv_ratio) |
 		DPLL_CFGCR2_QDIV_MODE(wrpll_params.qdiv_mode) |
 		DPLL_CFGCR2_KDIV(wrpll_params.kdiv) |
 		DPLL_CFGCR2_PDIV(wrpll_params.pdiv) |
 		wrpll_params.central_freq;
 
-	crtc_state->dpll_hw_state.ctrl1 = ctrl1;
-	crtc_state->dpll_hw_state.cfgcr1 = cfgcr1;
-	crtc_state->dpll_hw_state.cfgcr2 = cfgcr2;
-
 	crtc_state->port_clock = skl_ddi_wrpll_get_freq(i915, NULL,
 							&crtc_state->dpll_hw_state);
 
@@ -1806,6 +1842,7 @@ static int skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state)
 static int
 skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
 {
+	struct skl_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.skl;
 	u32 ctrl1;
 
 	/*
@@ -1835,18 +1872,19 @@ skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
 		break;
 	}
 
-	crtc_state->dpll_hw_state.ctrl1 = ctrl1;
+	hw_state->ctrl1 = ctrl1;
 
 	return 0;
 }
 
 static int skl_ddi_lcpll_get_freq(struct drm_i915_private *i915,
 				  const struct intel_shared_dpll *pll,
-				  const struct intel_dpll_hw_state *pll_state)
+				  const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
 	int link_clock = 0;
 
-	switch ((pll_state->ctrl1 & DPLL_CTRL1_LINK_RATE_MASK(0)) >>
+	switch ((hw_state->ctrl1 & DPLL_CTRL1_LINK_RATE_MASK(0)) >>
 		DPLL_CTRL1_LINK_RATE_SHIFT(0)) {
 	case DPLL_CTRL1_LINK_RATE_810:
 		link_clock = 81000;
@@ -1920,16 +1958,18 @@ static int skl_get_dpll(struct intel_atomic_state *state,
 
 static int skl_ddi_pll_get_freq(struct drm_i915_private *i915,
 				const struct intel_shared_dpll *pll,
-				const struct intel_dpll_hw_state *pll_state)
+				const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
+
 	/*
 	 * ctrl1 register is already shifted for each pll, just use 0 to get
 	 * the internal shift for each field
 	 */
-	if (pll_state->ctrl1 & DPLL_CTRL1_HDMI_MODE(0))
-		return skl_ddi_wrpll_get_freq(i915, pll, pll_state);
+	if (hw_state->ctrl1 & DPLL_CTRL1_HDMI_MODE(0))
+		return skl_ddi_wrpll_get_freq(i915, pll, dpll_hw_state);
 	else
-		return skl_ddi_lcpll_get_freq(i915, pll, pll_state);
+		return skl_ddi_lcpll_get_freq(i915, pll, dpll_hw_state);
 }
 
 static void skl_update_dpll_ref_clks(struct drm_i915_private *i915)
@@ -1939,15 +1979,20 @@ static void skl_update_dpll_ref_clks(struct drm_i915_private *i915)
 }
 
 static void skl_dump_hw_state(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct skl_dpll_hw_state *hw_state = &dpll_hw_state->skl;
+
 	drm_printf(p, "dpll_hw_state: ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
 		   hw_state->ctrl1, hw_state->cfgcr1, hw_state->cfgcr2);
 }
 
-static bool skl_compare_hw_state(const struct intel_dpll_hw_state *a,
-				 const struct intel_dpll_hw_state *b)
+static bool skl_compare_hw_state(const struct intel_dpll_hw_state *_a,
+				 const struct intel_dpll_hw_state *_b)
 {
+	const struct skl_dpll_hw_state *a = &_a->skl;
+	const struct skl_dpll_hw_state *b = &_b->skl;
+
 	return a->ctrl1 == b->ctrl1 &&
 		a->cfgcr1 == b->cfgcr1 &&
 		a->cfgcr2 == b->cfgcr2;
@@ -1987,12 +2032,14 @@ static const struct intel_dpll_mgr skl_pll_mgr = {
 };
 
 static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
-			       struct intel_shared_dpll *pll)
+			       struct intel_shared_dpll *pll,
+			       const struct intel_dpll_hw_state *dpll_hw_state)
 {
-	u32 temp;
+	const struct bxt_dpll_hw_state *hw_state = &dpll_hw_state->bxt;
 	enum port port = (enum port)pll->info->id; /* 1:1 port->PLL mapping */
 	enum dpio_phy phy;
 	enum dpio_channel ch;
+	u32 temp;
 
 	bxt_port_to_phy_channel(i915, port, &phy, &ch);
 
@@ -2015,43 +2062,43 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
 
 	/* Write P1 & P2 */
 	intel_de_rmw(i915, BXT_PORT_PLL_EBB_0(phy, ch),
-		     PORT_PLL_P1_MASK | PORT_PLL_P2_MASK, pll->state.hw_state.ebb0);
+		     PORT_PLL_P1_MASK | PORT_PLL_P2_MASK, hw_state->ebb0);
 
 	/* Write M2 integer */
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 0),
-		     PORT_PLL_M2_INT_MASK, pll->state.hw_state.pll0);
+		     PORT_PLL_M2_INT_MASK, hw_state->pll0);
 
 	/* Write N */
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 1),
-		     PORT_PLL_N_MASK, pll->state.hw_state.pll1);
+		     PORT_PLL_N_MASK, hw_state->pll1);
 
 	/* Write M2 fraction */
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 2),
-		     PORT_PLL_M2_FRAC_MASK, pll->state.hw_state.pll2);
+		     PORT_PLL_M2_FRAC_MASK, hw_state->pll2);
 
 	/* Write M2 fraction enable */
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 3),
-		     PORT_PLL_M2_FRAC_ENABLE, pll->state.hw_state.pll3);
+		     PORT_PLL_M2_FRAC_ENABLE, hw_state->pll3);
 
 	/* Write coeff */
 	temp = intel_de_read(i915, BXT_PORT_PLL(phy, ch, 6));
 	temp &= ~PORT_PLL_PROP_COEFF_MASK;
 	temp &= ~PORT_PLL_INT_COEFF_MASK;
 	temp &= ~PORT_PLL_GAIN_CTL_MASK;
-	temp |= pll->state.hw_state.pll6;
+	temp |= hw_state->pll6;
 	intel_de_write(i915, BXT_PORT_PLL(phy, ch, 6), temp);
 
 	/* Write calibration val */
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 8),
-		     PORT_PLL_TARGET_CNT_MASK, pll->state.hw_state.pll8);
+		     PORT_PLL_TARGET_CNT_MASK, hw_state->pll8);
 
 	intel_de_rmw(i915, BXT_PORT_PLL(phy, ch, 9),
-		     PORT_PLL_LOCK_THRESHOLD_MASK, pll->state.hw_state.pll9);
+		     PORT_PLL_LOCK_THRESHOLD_MASK, hw_state->pll9);
 
 	temp = intel_de_read(i915, BXT_PORT_PLL(phy, ch, 10));
 	temp &= ~PORT_PLL_DCO_AMP_OVR_EN_H;
 	temp &= ~PORT_PLL_DCO_AMP_MASK;
-	temp |= pll->state.hw_state.pll10;
+	temp |= hw_state->pll10;
 	intel_de_write(i915, BXT_PORT_PLL(phy, ch, 10), temp);
 
 	/* Recalibrate with new settings */
@@ -2059,7 +2106,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
 	temp |= PORT_PLL_RECALIBRATE;
 	intel_de_write(i915, BXT_PORT_PLL_EBB_4(phy, ch), temp);
 	temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
-	temp |= pll->state.hw_state.ebb4;
+	temp |= hw_state->ebb4;
 	intel_de_write(i915, BXT_PORT_PLL_EBB_4(phy, ch), temp);
 
 	/* Enable PLL */
@@ -2071,7 +2118,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
 		drm_err(&i915->drm, "PLL %d not locked\n", port);
 
 	if (IS_GEMINILAKE(i915)) {
-		temp = intel_de_read(i915, BXT_PORT_TX_DW5_LN0(phy, ch));
+		temp = intel_de_read(i915, BXT_PORT_TX_DW5_LN(phy, ch, 0));
 		temp |= DCC_DELAY_RANGE_2;
 		intel_de_write(i915, BXT_PORT_TX_DW5_GRP(phy, ch), temp);
 	}
@@ -2083,7 +2130,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *i915,
 	temp = intel_de_read(i915, BXT_PORT_PCS_DW12_LN01(phy, ch));
 	temp &= ~LANE_STAGGER_MASK;
 	temp &= ~LANESTAGGER_STRAP_OVRD;
-	temp |= pll->state.hw_state.pcsdw12;
+	temp |= hw_state->pcsdw12;
 	intel_de_write(i915, BXT_PORT_PCS_DW12_GRP(phy, ch), temp);
 }
 
@@ -2108,8 +2155,9 @@ static void bxt_ddi_pll_disable(struct drm_i915_private *i915,
 
 static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *i915,
 				     struct intel_shared_dpll *pll,
-				     struct intel_dpll_hw_state *hw_state)
+				     struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct bxt_dpll_hw_state *hw_state = &dpll_hw_state->bxt;
 	enum port port = (enum port)pll->info->id; /* 1:1 port->PLL mapping */
 	intel_wakeref_t wakeref;
 	enum dpio_phy phy;
@@ -2241,7 +2289,7 @@ static int bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
 				     const struct dpll *clk_div)
 {
 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
-	struct intel_dpll_hw_state *dpll_hw_state = &crtc_state->dpll_hw_state;
+	struct bxt_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.bxt;
 	int clock = crtc_state->port_clock;
 	int vco = clk_div->vco;
 	u32 prop_coef, int_coef, gain_ctl, targ_cnt;
@@ -2279,45 +2327,47 @@ static int bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
 	else
 		lanestagger = 0x02;
 
-	dpll_hw_state->ebb0 = PORT_PLL_P1(clk_div->p1) | PORT_PLL_P2(clk_div->p2);
-	dpll_hw_state->pll0 = PORT_PLL_M2_INT(clk_div->m2 >> 22);
-	dpll_hw_state->pll1 = PORT_PLL_N(clk_div->n);
-	dpll_hw_state->pll2 = PORT_PLL_M2_FRAC(clk_div->m2 & 0x3fffff);
+	hw_state->ebb0 = PORT_PLL_P1(clk_div->p1) | PORT_PLL_P2(clk_div->p2);
+	hw_state->pll0 = PORT_PLL_M2_INT(clk_div->m2 >> 22);
+	hw_state->pll1 = PORT_PLL_N(clk_div->n);
+	hw_state->pll2 = PORT_PLL_M2_FRAC(clk_div->m2 & 0x3fffff);
 
 	if (clk_div->m2 & 0x3fffff)
-		dpll_hw_state->pll3 = PORT_PLL_M2_FRAC_ENABLE;
+		hw_state->pll3 = PORT_PLL_M2_FRAC_ENABLE;
 
-	dpll_hw_state->pll6 = PORT_PLL_PROP_COEFF(prop_coef) |
+	hw_state->pll6 = PORT_PLL_PROP_COEFF(prop_coef) |
 		PORT_PLL_INT_COEFF(int_coef) |
 		PORT_PLL_GAIN_CTL(gain_ctl);
 
-	dpll_hw_state->pll8 = PORT_PLL_TARGET_CNT(targ_cnt);
+	hw_state->pll8 = PORT_PLL_TARGET_CNT(targ_cnt);
 
-	dpll_hw_state->pll9 = PORT_PLL_LOCK_THRESHOLD(5);
+	hw_state->pll9 = PORT_PLL_LOCK_THRESHOLD(5);
 
-	dpll_hw_state->pll10 = PORT_PLL_DCO_AMP(15) |
+	hw_state->pll10 = PORT_PLL_DCO_AMP(15) |
 		PORT_PLL_DCO_AMP_OVR_EN_H;
 
-	dpll_hw_state->ebb4 = PORT_PLL_10BIT_CLK_ENABLE;
+	hw_state->ebb4 = PORT_PLL_10BIT_CLK_ENABLE;
 
-	dpll_hw_state->pcsdw12 = LANESTAGGER_STRAP_OVRD | lanestagger;
+	hw_state->pcsdw12 = LANESTAGGER_STRAP_OVRD | lanestagger;
 
 	return 0;
 }
 
 static int bxt_ddi_pll_get_freq(struct drm_i915_private *i915,
 				const struct intel_shared_dpll *pll,
-				const struct intel_dpll_hw_state *pll_state)
+				const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct bxt_dpll_hw_state *hw_state = &dpll_hw_state->bxt;
 	struct dpll clock;
 
 	clock.m1 = 2;
-	clock.m2 = REG_FIELD_GET(PORT_PLL_M2_INT_MASK, pll_state->pll0) << 22;
-	if (pll_state->pll3 & PORT_PLL_M2_FRAC_ENABLE)
-		clock.m2 |= REG_FIELD_GET(PORT_PLL_M2_FRAC_MASK, pll_state->pll2);
-	clock.n = REG_FIELD_GET(PORT_PLL_N_MASK, pll_state->pll1);
-	clock.p1 = REG_FIELD_GET(PORT_PLL_P1_MASK, pll_state->ebb0);
-	clock.p2 = REG_FIELD_GET(PORT_PLL_P2_MASK, pll_state->ebb0);
+	clock.m2 = REG_FIELD_GET(PORT_PLL_M2_INT_MASK, hw_state->pll0) << 22;
+	if (hw_state->pll3 & PORT_PLL_M2_FRAC_ENABLE)
+		clock.m2 |= REG_FIELD_GET(PORT_PLL_M2_FRAC_MASK,
+					  hw_state->pll2);
+	clock.n = REG_FIELD_GET(PORT_PLL_N_MASK, hw_state->pll1);
+	clock.p1 = REG_FIELD_GET(PORT_PLL_P1_MASK, hw_state->ebb0);
+	clock.p2 = REG_FIELD_GET(PORT_PLL_P2_MASK, hw_state->ebb0);
 
 	return chv_calc_dpll_params(i915->display.dpll.ref_clks.nssc, &clock);
 }
@@ -2399,8 +2449,10 @@ static void bxt_update_dpll_ref_clks(struct drm_i915_private *i915)
 }
 
 static void bxt_dump_hw_state(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct bxt_dpll_hw_state *hw_state = &dpll_hw_state->bxt;
+
 	drm_printf(p, "dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
 		   "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
 		   "pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n",
@@ -2410,9 +2462,12 @@ static void bxt_dump_hw_state(struct drm_printer *p,
 		   hw_state->pcsdw12);
 }
 
-static bool bxt_compare_hw_state(const struct intel_dpll_hw_state *a,
-				 const struct intel_dpll_hw_state *b)
+static bool bxt_compare_hw_state(const struct intel_dpll_hw_state *_a,
+				 const struct intel_dpll_hw_state *_b)
 {
+	const struct bxt_dpll_hw_state *a = &_a->bxt;
+	const struct bxt_dpll_hw_state *b = &_b->bxt;
+
 	return a->ebb0 == b->ebb0 &&
 		a->ebb4 == b->ebb4 &&
 		a->pll0 == b->pll0 &&
@@ -2695,7 +2750,7 @@ static int icl_calc_tbt_pll(struct intel_crtc_state *crtc_state,
 
 static int icl_ddi_tbt_pll_get_freq(struct drm_i915_private *i915,
 				    const struct intel_shared_dpll *pll,
-				    const struct intel_dpll_hw_state *pll_state)
+				    const struct intel_dpll_hw_state *dpll_hw_state)
 {
 	/*
 	 * The PLL outputs multiple frequencies at the same time, selection is
@@ -2766,17 +2821,18 @@ icl_calc_wrpll(struct intel_crtc_state *crtc_state,
 
 static int icl_ddi_combo_pll_get_freq(struct drm_i915_private *i915,
 				      const struct intel_shared_dpll *pll,
-				      const struct intel_dpll_hw_state *pll_state)
+				      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	int ref_clock = icl_wrpll_ref_clock(i915);
 	u32 dco_fraction;
 	u32 p0, p1, p2, dco_freq;
 
-	p0 = pll_state->cfgcr1 & DPLL_CFGCR1_PDIV_MASK;
-	p2 = pll_state->cfgcr1 & DPLL_CFGCR1_KDIV_MASK;
+	p0 = hw_state->cfgcr1 & DPLL_CFGCR1_PDIV_MASK;
+	p2 = hw_state->cfgcr1 & DPLL_CFGCR1_KDIV_MASK;
 
-	if (pll_state->cfgcr1 & DPLL_CFGCR1_QDIV_MODE(1))
-		p1 = (pll_state->cfgcr1 & DPLL_CFGCR1_QDIV_RATIO_MASK) >>
+	if (hw_state->cfgcr1 & DPLL_CFGCR1_QDIV_MODE(1))
+		p1 = (hw_state->cfgcr1 & DPLL_CFGCR1_QDIV_RATIO_MASK) >>
 			DPLL_CFGCR1_QDIV_RATIO_SHIFT;
 	else
 		p1 = 1;
@@ -2808,10 +2864,10 @@ static int icl_ddi_combo_pll_get_freq(struct drm_i915_private *i915,
 		break;
 	}
 
-	dco_freq = (pll_state->cfgcr0 & DPLL_CFGCR0_DCO_INTEGER_MASK) *
+	dco_freq = (hw_state->cfgcr0 & DPLL_CFGCR0_DCO_INTEGER_MASK) *
 		   ref_clock;
 
-	dco_fraction = (pll_state->cfgcr0 & DPLL_CFGCR0_DCO_FRACTION_MASK) >>
+	dco_fraction = (hw_state->cfgcr0 & DPLL_CFGCR0_DCO_FRACTION_MASK) >>
 		       DPLL_CFGCR0_DCO_FRACTION_SHIFT;
 
 	if (ehl_combo_pll_div_frac_wa_needed(i915))
@@ -2827,33 +2883,34 @@ static int icl_ddi_combo_pll_get_freq(struct drm_i915_private *i915,
 
 static void icl_calc_dpll_state(struct drm_i915_private *i915,
 				const struct skl_wrpll_params *pll_params,
-				struct intel_dpll_hw_state *pll_state)
+				struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	u32 dco_fraction = pll_params->dco_fraction;
 
 	if (ehl_combo_pll_div_frac_wa_needed(i915))
 		dco_fraction = DIV_ROUND_CLOSEST(dco_fraction, 2);
 
-	pll_state->cfgcr0 = DPLL_CFGCR0_DCO_FRACTION(dco_fraction) |
+	hw_state->cfgcr0 = DPLL_CFGCR0_DCO_FRACTION(dco_fraction) |
 			    pll_params->dco_integer;
 
-	pll_state->cfgcr1 = DPLL_CFGCR1_QDIV_RATIO(pll_params->qdiv_ratio) |
+	hw_state->cfgcr1 = DPLL_CFGCR1_QDIV_RATIO(pll_params->qdiv_ratio) |
 			    DPLL_CFGCR1_QDIV_MODE(pll_params->qdiv_mode) |
 			    DPLL_CFGCR1_KDIV(pll_params->kdiv) |
 			    DPLL_CFGCR1_PDIV(pll_params->pdiv);
 
 	if (DISPLAY_VER(i915) >= 12)
-		pll_state->cfgcr1 |= TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL;
+		hw_state->cfgcr1 |= TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL;
 	else
-		pll_state->cfgcr1 |= DPLL_CFGCR1_CENTRAL_FREQ_8400;
+		hw_state->cfgcr1 |= DPLL_CFGCR1_CENTRAL_FREQ_8400;
 
 	if (i915->display.vbt.override_afc_startup)
-		pll_state->div0 = TGL_DPLL0_DIV0_AFC_STARTUP(i915->display.vbt.override_afc_startup_val);
+		hw_state->div0 = TGL_DPLL0_DIV0_AFC_STARTUP(i915->display.vbt.override_afc_startup_val);
 }
 
 static int icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc,
 				    u32 *target_dco_khz,
-				    struct intel_dpll_hw_state *state,
+				    struct icl_dpll_hw_state *hw_state,
 				    bool is_dkl)
 {
 	static const u8 div1_vals[] = { 7, 5, 3, 2 };
@@ -2909,12 +2966,12 @@ static int icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc,
 
 			*target_dco_khz = dco;
 
-			state->mg_refclkin_ctl = MG_REFCLKIN_CTL_OD_2_MUX(1);
+			hw_state->mg_refclkin_ctl = MG_REFCLKIN_CTL_OD_2_MUX(1);
 
-			state->mg_clktop2_coreclkctl1 =
+			hw_state->mg_clktop2_coreclkctl1 =
 				MG_CLKTOP2_CORECLKCTL1_A_DIVRATIO(a_divratio);
 
-			state->mg_clktop2_hsclkctl =
+			hw_state->mg_clktop2_hsclkctl =
 				MG_CLKTOP2_HSCLKCTL_TLINEDRV_CLKSEL(tlinedrv) |
 				MG_CLKTOP2_HSCLKCTL_CORE_INPUTSEL(inputsel) |
 				hsdiv |
@@ -2932,9 +2989,10 @@ static int icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc,
  * adapted to integer-only calculation, that's why it looks so different.
  */
 static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
-				 struct intel_dpll_hw_state *pll_state)
+				 struct intel_dpll_hw_state *dpll_hw_state)
 {
 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+	struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	int refclk_khz = i915->display.dpll.ref_clks.nssc;
 	int clock = crtc_state->port_clock;
 	u32 dco_khz, m1div, m2div_int, m2div_rem, m2div_frac;
@@ -2949,7 +3007,7 @@ static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
 	int ret;
 
 	ret = icl_mg_pll_find_divisors(clock, is_dp, use_ssc, &dco_khz,
-				       pll_state, is_dkl);
+				       hw_state, is_dkl);
 	if (ret)
 		return ret;
 
@@ -3039,61 +3097,61 @@ static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
 
 	/* write pll_state calculations */
 	if (is_dkl) {
-		pll_state->mg_pll_div0 = DKL_PLL_DIV0_INTEG_COEFF(int_coeff) |
+		hw_state->mg_pll_div0 = DKL_PLL_DIV0_INTEG_COEFF(int_coeff) |
 					 DKL_PLL_DIV0_PROP_COEFF(prop_coeff) |
 					 DKL_PLL_DIV0_FBPREDIV(m1div) |
 					 DKL_PLL_DIV0_FBDIV_INT(m2div_int);
 		if (i915->display.vbt.override_afc_startup) {
 			u8 val = i915->display.vbt.override_afc_startup_val;
 
-			pll_state->mg_pll_div0 |= DKL_PLL_DIV0_AFC_STARTUP(val);
+			hw_state->mg_pll_div0 |= DKL_PLL_DIV0_AFC_STARTUP(val);
 		}
 
-		pll_state->mg_pll_div1 = DKL_PLL_DIV1_IREF_TRIM(iref_trim) |
+		hw_state->mg_pll_div1 = DKL_PLL_DIV1_IREF_TRIM(iref_trim) |
 					 DKL_PLL_DIV1_TDC_TARGET_CNT(tdc_targetcnt);
 
-		pll_state->mg_pll_ssc = DKL_PLL_SSC_IREF_NDIV_RATIO(iref_ndiv) |
+		hw_state->mg_pll_ssc = DKL_PLL_SSC_IREF_NDIV_RATIO(iref_ndiv) |
 					DKL_PLL_SSC_STEP_LEN(ssc_steplen) |
 					DKL_PLL_SSC_STEP_NUM(ssc_steplog) |
 					(use_ssc ? DKL_PLL_SSC_EN : 0);
 
-		pll_state->mg_pll_bias = (m2div_frac ? DKL_PLL_BIAS_FRAC_EN_H : 0) |
+		hw_state->mg_pll_bias = (m2div_frac ? DKL_PLL_BIAS_FRAC_EN_H : 0) |
 					  DKL_PLL_BIAS_FBDIV_FRAC(m2div_frac);
 
-		pll_state->mg_pll_tdc_coldst_bias =
+		hw_state->mg_pll_tdc_coldst_bias =
 				DKL_PLL_TDC_SSC_STEP_SIZE(ssc_stepsize) |
 				DKL_PLL_TDC_FEED_FWD_GAIN(feedfwgain);
 
 	} else {
-		pll_state->mg_pll_div0 =
+		hw_state->mg_pll_div0 =
 			(m2div_rem > 0 ? MG_PLL_DIV0_FRACNEN_H : 0) |
 			MG_PLL_DIV0_FBDIV_FRAC(m2div_frac) |
 			MG_PLL_DIV0_FBDIV_INT(m2div_int);
 
-		pll_state->mg_pll_div1 =
+		hw_state->mg_pll_div1 =
 			MG_PLL_DIV1_IREF_NDIVRATIO(iref_ndiv) |
 			MG_PLL_DIV1_DITHER_DIV_2 |
 			MG_PLL_DIV1_NDIVRATIO(1) |
 			MG_PLL_DIV1_FBPREDIV(m1div);
 
-		pll_state->mg_pll_lf =
+		hw_state->mg_pll_lf =
 			MG_PLL_LF_TDCTARGETCNT(tdc_targetcnt) |
 			MG_PLL_LF_AFCCNTSEL_512 |
 			MG_PLL_LF_GAINCTRL(1) |
 			MG_PLL_LF_INT_COEFF(int_coeff) |
 			MG_PLL_LF_PROP_COEFF(prop_coeff);
 
-		pll_state->mg_pll_frac_lock =
+		hw_state->mg_pll_frac_lock =
 			MG_PLL_FRAC_LOCK_TRUELOCK_CRIT_32 |
 			MG_PLL_FRAC_LOCK_EARLYLOCK_CRIT_32 |
 			MG_PLL_FRAC_LOCK_LOCKTHRESH(10) |
 			MG_PLL_FRAC_LOCK_DCODITHEREN |
 			MG_PLL_FRAC_LOCK_FEEDFWRDGAIN(feedfwgain);
 		if (use_ssc || m2div_rem > 0)
-			pll_state->mg_pll_frac_lock |=
+			hw_state->mg_pll_frac_lock |=
 				MG_PLL_FRAC_LOCK_FEEDFWRDCAL_EN;
 
-		pll_state->mg_pll_ssc =
+		hw_state->mg_pll_ssc =
 			(use_ssc ? MG_PLL_SSC_EN : 0) |
 			MG_PLL_SSC_TYPE(2) |
 			MG_PLL_SSC_STEPLENGTH(ssc_steplen) |
@@ -3101,14 +3159,14 @@ static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
 			MG_PLL_SSC_FLLEN |
 			MG_PLL_SSC_STEPSIZE(ssc_stepsize);
 
-		pll_state->mg_pll_tdc_coldst_bias =
+		hw_state->mg_pll_tdc_coldst_bias =
 			MG_PLL_TDC_COLDST_COLDSTART |
 			MG_PLL_TDC_COLDST_IREFINT_EN |
 			MG_PLL_TDC_COLDST_REFBIAS_START_PULSE_W(iref_pulse_w) |
 			MG_PLL_TDC_TDCOVCCORR_EN |
 			MG_PLL_TDC_TDCSEL(3);
 
-		pll_state->mg_pll_bias =
+		hw_state->mg_pll_bias =
 			MG_PLL_BIAS_BIAS_GB_SEL(3) |
 			MG_PLL_BIAS_INIT_DCOAMP(0x3F) |
 			MG_PLL_BIAS_BIAS_BONUS(10) |
@@ -3118,17 +3176,17 @@ static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
 			MG_PLL_BIAS_IREFTRIM(iref_trim);
 
 		if (refclk_khz == 38400) {
-			pll_state->mg_pll_tdc_coldst_bias_mask =
+			hw_state->mg_pll_tdc_coldst_bias_mask =
 				MG_PLL_TDC_COLDST_COLDSTART;
-			pll_state->mg_pll_bias_mask = 0;
+			hw_state->mg_pll_bias_mask = 0;
 		} else {
-			pll_state->mg_pll_tdc_coldst_bias_mask = -1U;
-			pll_state->mg_pll_bias_mask = -1U;
+			hw_state->mg_pll_tdc_coldst_bias_mask = -1U;
+			hw_state->mg_pll_bias_mask = -1U;
 		}
 
-		pll_state->mg_pll_tdc_coldst_bias &=
-			pll_state->mg_pll_tdc_coldst_bias_mask;
-		pll_state->mg_pll_bias &= pll_state->mg_pll_bias_mask;
+		hw_state->mg_pll_tdc_coldst_bias &=
+			hw_state->mg_pll_tdc_coldst_bias_mask;
+		hw_state->mg_pll_bias &= hw_state->mg_pll_bias_mask;
 	}
 
 	return 0;
@@ -3136,31 +3194,32 @@ static int icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
 
 static int icl_ddi_mg_pll_get_freq(struct drm_i915_private *i915,
 				   const struct intel_shared_dpll *pll,
-				   const struct intel_dpll_hw_state *pll_state)
+				   const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	u32 m1, m2_int, m2_frac, div1, div2, ref_clock;
 	u64 tmp;
 
 	ref_clock = i915->display.dpll.ref_clks.nssc;
 
 	if (DISPLAY_VER(i915) >= 12) {
-		m1 = pll_state->mg_pll_div0 & DKL_PLL_DIV0_FBPREDIV_MASK;
+		m1 = hw_state->mg_pll_div0 & DKL_PLL_DIV0_FBPREDIV_MASK;
 		m1 = m1 >> DKL_PLL_DIV0_FBPREDIV_SHIFT;
-		m2_int = pll_state->mg_pll_div0 & DKL_PLL_DIV0_FBDIV_INT_MASK;
+		m2_int = hw_state->mg_pll_div0 & DKL_PLL_DIV0_FBDIV_INT_MASK;
 
-		if (pll_state->mg_pll_bias & DKL_PLL_BIAS_FRAC_EN_H) {
-			m2_frac = pll_state->mg_pll_bias &
+		if (hw_state->mg_pll_bias & DKL_PLL_BIAS_FRAC_EN_H) {
+			m2_frac = hw_state->mg_pll_bias &
 				  DKL_PLL_BIAS_FBDIV_FRAC_MASK;
 			m2_frac = m2_frac >> DKL_PLL_BIAS_FBDIV_SHIFT;
 		} else {
 			m2_frac = 0;
 		}
 	} else {
-		m1 = pll_state->mg_pll_div1 & MG_PLL_DIV1_FBPREDIV_MASK;
-		m2_int = pll_state->mg_pll_div0 & MG_PLL_DIV0_FBDIV_INT_MASK;
+		m1 = hw_state->mg_pll_div1 & MG_PLL_DIV1_FBPREDIV_MASK;
+		m2_int = hw_state->mg_pll_div0 & MG_PLL_DIV0_FBDIV_INT_MASK;
 
-		if (pll_state->mg_pll_div0 & MG_PLL_DIV0_FRACNEN_H) {
-			m2_frac = pll_state->mg_pll_div0 &
+		if (hw_state->mg_pll_div0 & MG_PLL_DIV0_FRACNEN_H) {
+			m2_frac = hw_state->mg_pll_div0 &
 				  MG_PLL_DIV0_FBDIV_FRAC_MASK;
 			m2_frac = m2_frac >> MG_PLL_DIV0_FBDIV_FRAC_SHIFT;
 		} else {
@@ -3168,7 +3227,7 @@ static int icl_ddi_mg_pll_get_freq(struct drm_i915_private *i915,
 		}
 	}
 
-	switch (pll_state->mg_clktop2_hsclkctl &
+	switch (hw_state->mg_clktop2_hsclkctl &
 		MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_MASK) {
 	case MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_2:
 		div1 = 2;
@@ -3183,11 +3242,11 @@ static int icl_ddi_mg_pll_get_freq(struct drm_i915_private *i915,
 		div1 = 7;
 		break;
 	default:
-		MISSING_CASE(pll_state->mg_clktop2_hsclkctl);
+		MISSING_CASE(hw_state->mg_clktop2_hsclkctl);
 		return 0;
 	}
 
-	div2 = (pll_state->mg_clktop2_hsclkctl &
+	div2 = (hw_state->mg_clktop2_hsclkctl &
 		MG_CLKTOP2_HSCLKCTL_DSDIV_RATIO_MASK) >>
 		MG_CLKTOP2_HSCLKCTL_DSDIV_RATIO_SHIFT;
 
@@ -3474,8 +3533,9 @@ static void icl_put_dplls(struct intel_atomic_state *state,
 
 static bool mg_pll_get_hw_state(struct drm_i915_private *i915,
 				struct intel_shared_dpll *pll,
-				struct intel_dpll_hw_state *hw_state)
+				struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	const enum intel_dpll_id id = pll->info->id;
 	enum tc_port tc_port = icl_pll_id_to_tc_port(id);
 	intel_wakeref_t wakeref;
@@ -3540,8 +3600,9 @@ out:
 
 static bool dkl_pll_get_hw_state(struct drm_i915_private *i915,
 				 struct intel_shared_dpll *pll,
-				 struct intel_dpll_hw_state *hw_state)
+				 struct intel_dpll_hw_state *dpll_hw_state)
 {
+	struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	const enum intel_dpll_id id = pll->info->id;
 	enum tc_port tc_port = icl_pll_id_to_tc_port(id);
 	intel_wakeref_t wakeref;
@@ -3611,9 +3672,10 @@ out:
 
 static bool icl_pll_get_hw_state(struct drm_i915_private *i915,
 				 struct intel_shared_dpll *pll,
-				 struct intel_dpll_hw_state *hw_state,
+				 struct intel_dpll_hw_state *dpll_hw_state,
 				 i915_reg_t enable_reg)
 {
+	struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	const enum intel_dpll_id id = pll->info->id;
 	intel_wakeref_t wakeref;
 	bool ret = false;
@@ -3671,24 +3733,24 @@ out:
 
 static bool combo_pll_get_hw_state(struct drm_i915_private *i915,
 				   struct intel_shared_dpll *pll,
-				   struct intel_dpll_hw_state *hw_state)
+				   struct intel_dpll_hw_state *dpll_hw_state)
 {
 	i915_reg_t enable_reg = intel_combo_pll_enable_reg(i915, pll);
 
-	return icl_pll_get_hw_state(i915, pll, hw_state, enable_reg);
+	return icl_pll_get_hw_state(i915, pll, dpll_hw_state, enable_reg);
 }
 
 static bool tbt_pll_get_hw_state(struct drm_i915_private *i915,
 				 struct intel_shared_dpll *pll,
-				 struct intel_dpll_hw_state *hw_state)
+				 struct intel_dpll_hw_state *dpll_hw_state)
 {
-	return icl_pll_get_hw_state(i915, pll, hw_state, TBT_PLL_ENABLE);
+	return icl_pll_get_hw_state(i915, pll, dpll_hw_state, TBT_PLL_ENABLE);
 }
 
 static void icl_dpll_write(struct drm_i915_private *i915,
-			   struct intel_shared_dpll *pll)
+			   struct intel_shared_dpll *pll,
+			   const struct icl_dpll_hw_state *hw_state)
 {
-	struct intel_dpll_hw_state *hw_state = &pll->state.hw_state;
 	const enum intel_dpll_id id = pll->info->id;
 	i915_reg_t cfgcr0_reg, cfgcr1_reg, div0_reg = INVALID_MMIO_REG;
 
@@ -3728,9 +3790,9 @@ static void icl_dpll_write(struct drm_i915_private *i915,
 }
 
 static void icl_mg_pll_write(struct drm_i915_private *i915,
-			     struct intel_shared_dpll *pll)
+			     struct intel_shared_dpll *pll,
+			     const struct icl_dpll_hw_state *hw_state)
 {
-	struct intel_dpll_hw_state *hw_state = &pll->state.hw_state;
 	enum tc_port tc_port = icl_pll_id_to_tc_port(pll->info->id);
 
 	/*
@@ -3771,9 +3833,9 @@ static void icl_mg_pll_write(struct drm_i915_private *i915,
 }
 
 static void dkl_pll_write(struct drm_i915_private *i915,
-			  struct intel_shared_dpll *pll)
+			  struct intel_shared_dpll *pll,
+			  const struct icl_dpll_hw_state *hw_state)
 {
-	struct intel_dpll_hw_state *hw_state = &pll->state.hw_state;
 	enum tc_port tc_port = icl_pll_id_to_tc_port(pll->info->id);
 	u32 val;
 
@@ -3886,13 +3948,15 @@ static void adlp_cmtg_clock_gating_wa(struct drm_i915_private *i915, struct inte
 }
 
 static void combo_pll_enable(struct drm_i915_private *i915,
-			     struct intel_shared_dpll *pll)
+			     struct intel_shared_dpll *pll,
+			     const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	i915_reg_t enable_reg = intel_combo_pll_enable_reg(i915, pll);
 
 	icl_pll_power_enable(i915, pll, enable_reg);
 
-	icl_dpll_write(i915, pll);
+	icl_dpll_write(i915, pll, hw_state);
 
 	/*
 	 * DVFS pre sequence would be here, but in our driver the cdclk code
@@ -3908,11 +3972,14 @@ static void combo_pll_enable(struct drm_i915_private *i915,
 }
 
 static void tbt_pll_enable(struct drm_i915_private *i915,
-			   struct intel_shared_dpll *pll)
+			   struct intel_shared_dpll *pll,
+			   const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
+
 	icl_pll_power_enable(i915, pll, TBT_PLL_ENABLE);
 
-	icl_dpll_write(i915, pll);
+	icl_dpll_write(i915, pll, hw_state);
 
 	/*
 	 * DVFS pre sequence would be here, but in our driver the cdclk code
@@ -3926,16 +3993,18 @@ static void tbt_pll_enable(struct drm_i915_private *i915,
 }
 
 static void mg_pll_enable(struct drm_i915_private *i915,
-			  struct intel_shared_dpll *pll)
+			  struct intel_shared_dpll *pll,
+			  const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
 	i915_reg_t enable_reg = intel_tc_pll_enable_reg(i915, pll);
 
 	icl_pll_power_enable(i915, pll, enable_reg);
 
 	if (DISPLAY_VER(i915) >= 12)
-		dkl_pll_write(i915, pll);
+		dkl_pll_write(i915, pll, hw_state);
 	else
-		icl_mg_pll_write(i915, pll);
+		icl_mg_pll_write(i915, pll, hw_state);
 
 	/*
 	 * DVFS pre sequence would be here, but in our driver the cdclk code
@@ -4008,8 +4077,10 @@ static void icl_update_dpll_ref_clks(struct drm_i915_private *i915)
 }
 
 static void icl_dump_hw_state(struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
+	const struct icl_dpll_hw_state *hw_state = &dpll_hw_state->icl;
+
 	drm_printf(p, "dpll_hw_state: cfgcr0: 0x%x, cfgcr1: 0x%x, div0: 0x%x, "
 		   "mg_refclkin_ctl: 0x%x, hg_clktop2_coreclkctl1: 0x%x, "
 		   "mg_clktop2_hsclkctl: 0x%x, mg_pll_div0: 0x%x, "
@@ -4029,9 +4100,12 @@ static void icl_dump_hw_state(struct drm_printer *p,
 		   hw_state->mg_pll_tdc_coldst_bias);
 }
 
-static bool icl_compare_hw_state(const struct intel_dpll_hw_state *a,
-				 const struct intel_dpll_hw_state *b)
+static bool icl_compare_hw_state(const struct intel_dpll_hw_state *_a,
+				 const struct intel_dpll_hw_state *_b)
 {
+	const struct icl_dpll_hw_state *a = &_a->icl;
+	const struct icl_dpll_hw_state *b = &_b->icl;
+
 	/* FIXME split combo vs. mg more thoroughly */
 	return a->cfgcr0 == b->cfgcr0 &&
 		a->cfgcr1 == b->cfgcr1 &&
@@ -4396,33 +4470,33 @@ void intel_update_active_dpll(struct intel_atomic_state *state,
  * intel_dpll_get_freq - calculate the DPLL's output frequency
  * @i915: i915 device
  * @pll: DPLL for which to calculate the output frequency
- * @pll_state: DPLL state from which to calculate the output frequency
+ * @dpll_hw_state: DPLL state from which to calculate the output frequency
  *
- * Return the output frequency corresponding to @pll's passed in @pll_state.
+ * Return the output frequency corresponding to @pll's passed in @dpll_hw_state.
  */
 int intel_dpll_get_freq(struct drm_i915_private *i915,
 			const struct intel_shared_dpll *pll,
-			const struct intel_dpll_hw_state *pll_state)
+			const struct intel_dpll_hw_state *dpll_hw_state)
 {
 	if (drm_WARN_ON(&i915->drm, !pll->info->funcs->get_freq))
 		return 0;
 
-	return pll->info->funcs->get_freq(i915, pll, pll_state);
+	return pll->info->funcs->get_freq(i915, pll, dpll_hw_state);
 }
 
 /**
  * intel_dpll_get_hw_state - readout the DPLL's hardware state
  * @i915: i915 device
  * @pll: DPLL for which to calculate the output frequency
- * @hw_state: DPLL's hardware state
+ * @dpll_hw_state: DPLL's hardware state
  *
- * Read out @pll's hardware state into @hw_state.
+ * Read out @pll's hardware state into @dpll_hw_state.
  */
 bool intel_dpll_get_hw_state(struct drm_i915_private *i915,
 			     struct intel_shared_dpll *pll,
-			     struct intel_dpll_hw_state *hw_state)
+			     struct intel_dpll_hw_state *dpll_hw_state)
 {
-	return pll->info->funcs->get_hw_state(i915, pll, hw_state);
+	return pll->info->funcs->get_hw_state(i915, pll, dpll_hw_state);
 }
 
 static void readout_dpll_hw_state(struct drm_i915_private *i915,
@@ -4496,21 +4570,21 @@ void intel_dpll_sanitize_state(struct drm_i915_private *i915)
  * intel_dpll_dump_hw_state - dump hw_state
  * @i915: i915 drm device
  * @p: where to print the state to
- * @hw_state: hw state to be dumped
+ * @dpll_hw_state: hw state to be dumped
  *
- * Dumo out the relevant values in @hw_state.
+ * Dumo out the relevant values in @dpll_hw_state.
  */
 void intel_dpll_dump_hw_state(struct drm_i915_private *i915,
 			      struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *dpll_hw_state)
 {
 	if (i915->display.dpll.mgr) {
-		i915->display.dpll.mgr->dump_hw_state(p, hw_state);
+		i915->display.dpll.mgr->dump_hw_state(p, dpll_hw_state);
 	} else {
 		/* fallback for platforms that don't use the shared dpll
 		 * infrastructure
 		 */
-		ibx_dump_hw_state(p, hw_state);
+		ibx_dump_hw_state(p, dpll_hw_state);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index d4d97e40440a..f09e513ce05b 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -181,18 +181,19 @@ enum icl_port_dpll_id {
 	ICL_PORT_DPLL_COUNT,
 };
 
-struct intel_dpll_hw_state {
-	/* i9xx, pch plls */
+struct i9xx_dpll_hw_state {
 	u32 dpll;
 	u32 dpll_md;
 	u32 fp0;
 	u32 fp1;
+};
 
-	/* hsw, bdw */
+struct hsw_dpll_hw_state {
 	u32 wrpll;
 	u32 spll;
+};
 
-	/* skl */
+struct skl_dpll_hw_state {
 	/*
 	 * DPLL_CTRL1 has 6 bits for each each this DPLL. We store those in
 	 * lower part of ctrl1 and they get shifted into position when writing
@@ -202,20 +203,18 @@ struct intel_dpll_hw_state {
 	u32 ctrl1;
 	/* HDMI only, 0 when used for DP */
 	u32 cfgcr1, cfgcr2;
+};
 
-	/* icl */
-	u32 cfgcr0;
+struct bxt_dpll_hw_state {
+	u32 ebb0, ebb4, pll0, pll1, pll2, pll3, pll6, pll8, pll9, pll10, pcsdw12;
+};
+
+struct icl_dpll_hw_state {
+	u32 cfgcr0, cfgcr1;
 
 	/* tgl */
 	u32 div0;
 
-	/* bxt */
-	u32 ebb0, ebb4, pll0, pll1, pll2, pll3, pll6, pll8, pll9, pll10, pcsdw12;
-
-	/*
-	 * ICL uses the following, already defined:
-	 * u32 cfgcr0, cfgcr1;
-	 */
 	u32 mg_refclkin_ctl;
 	u32 mg_clktop2_coreclkctl1;
 	u32 mg_clktop2_hsclkctl;
@@ -230,6 +229,55 @@ struct intel_dpll_hw_state {
 	u32 mg_pll_tdc_coldst_bias_mask;
 };
 
+struct intel_mpllb_state {
+	u32 clock; /* in KHz */
+	u32 ref_control;
+	u32 mpllb_cp;
+	u32 mpllb_div;
+	u32 mpllb_div2;
+	u32 mpllb_fracn1;
+	u32 mpllb_fracn2;
+	u32 mpllb_sscen;
+	u32 mpllb_sscstep;
+};
+
+struct intel_c10pll_state {
+	u32 clock; /* in KHz */
+	u8 tx;
+	u8 cmn;
+	u8 pll[20];
+};
+
+struct intel_c20pll_state {
+	u32 clock; /* in kHz */
+	u16 tx[3];
+	u16 cmn[4];
+	union {
+		u16 mplla[10];
+		u16 mpllb[11];
+	};
+};
+
+struct intel_cx0pll_state {
+	union {
+		struct intel_c10pll_state c10;
+		struct intel_c20pll_state c20;
+	};
+	bool ssc_enabled;
+};
+
+struct intel_dpll_hw_state {
+	union {
+		struct i9xx_dpll_hw_state i9xx;
+		struct hsw_dpll_hw_state hsw;
+		struct skl_dpll_hw_state skl;
+		struct bxt_dpll_hw_state bxt;
+		struct icl_dpll_hw_state icl;
+		struct intel_mpllb_state mpllb;
+		struct intel_cx0pll_state cx0pll;
+	};
+};
+
 /**
  * struct intel_shared_dpll_state - hold the DPLL atomic state
  *
@@ -365,10 +413,10 @@ void intel_update_active_dpll(struct intel_atomic_state *state,
 			      struct intel_encoder *encoder);
 int intel_dpll_get_freq(struct drm_i915_private *i915,
 			const struct intel_shared_dpll *pll,
-			const struct intel_dpll_hw_state *pll_state);
+			const struct intel_dpll_hw_state *dpll_hw_state);
 bool intel_dpll_get_hw_state(struct drm_i915_private *i915,
 			     struct intel_shared_dpll *pll,
-			     struct intel_dpll_hw_state *hw_state);
+			     struct intel_dpll_hw_state *dpll_hw_state);
 void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_shared_dpll_swap_state(struct intel_atomic_state *state);
@@ -379,7 +427,7 @@ void intel_dpll_sanitize_state(struct drm_i915_private *i915);
 
 void intel_dpll_dump_hw_state(struct drm_i915_private *i915,
 			      struct drm_printer *p,
-			      const struct intel_dpll_hw_state *hw_state);
+			      const struct intel_dpll_hw_state *dpll_hw_state);
 bool intel_dpll_compare_hw_state(struct drm_i915_private *i915,
 				 const struct intel_dpll_hw_state *a,
 				 const struct intel_dpll_hw_state *b);
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 073ea3166c36..6f4ff6a89c32 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -47,10 +47,12 @@
 
 bool intel_panel_use_ssc(struct drm_i915_private *i915)
 {
-	if (i915->display.params.panel_use_ssc >= 0)
-		return i915->display.params.panel_use_ssc != 0;
-	return i915->display.vbt.lvds_use_ssc &&
-		!intel_has_quirk(i915, QUIRK_LVDS_SSC_DISABLE);
+	struct intel_display *display = &i915->display;
+
+	if (display->params.panel_use_ssc >= 0)
+		return display->params.panel_use_ssc != 0;
+	return display->vbt.lvds_use_ssc &&
+		!intel_has_quirk(display, QUIRK_LVDS_SSC_DISABLE);
 }
 
 const struct drm_display_mode *
diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.c b/drivers/gpu/drm/i915/display/intel_pch_display.c
index baf679759e00..826e38a9e6a4 100644
--- a/drivers/gpu/drm/i915/display/intel_pch_display.c
+++ b/drivers/gpu/drm/i915/display/intel_pch_display.c
@@ -474,7 +474,7 @@ static void ilk_pch_clock_get(struct intel_crtc_state *crtc_state)
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
 	/* read out port_clock from the DPLL */
-	i9xx_crtc_clock_get(crtc, crtc_state);
+	i9xx_crtc_clock_get(crtc_state);
 
 	/*
 	 * In case there is an active pipe without active ports,
@@ -529,7 +529,7 @@ void ilk_pch_get_config(struct intel_crtc_state *crtc_state)
 					     &crtc_state->dpll_hw_state);
 	drm_WARN_ON(&dev_priv->drm, !pll_active);
 
-	tmp = crtc_state->dpll_hw_state.dpll;
+	tmp = crtc_state->dpll_hw_state.i9xx.dpll;
 	crtc_state->pixel_multiplier =
 		((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK)
 		 >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1;
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index 3078dfac7817..0ccbf9a85914 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -1350,7 +1350,7 @@ static void pps_init_delays_bios(struct intel_dp *intel_dp,
 static void pps_init_delays_vbt(struct intel_dp *intel_dp,
 				struct edp_power_seq *vbt)
 {
-	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct intel_display *display = to_intel_display(intel_dp);
 	struct intel_connector *connector = intel_dp->attached_connector;
 
 	*vbt = connector->panel.vbt.edp.pps;
@@ -1363,9 +1363,9 @@ static void pps_init_delays_vbt(struct intel_dp *intel_dp,
 	 * just fails to power back on. Increasing the delay to 800ms
 	 * seems sufficient to avoid this problem.
 	 */
-	if (intel_has_quirk(dev_priv, QUIRK_INCREASE_T12_DELAY)) {
+	if (intel_has_quirk(display, QUIRK_INCREASE_T12_DELAY)) {
 		vbt->t11_t12 = max_t(u16, vbt->t11_t12, 1300 * 10);
-		drm_dbg_kms(&dev_priv->drm,
+		drm_dbg_kms(display->drm,
 			    "Increasing T12 panel delay as per the quirk to %d\n",
 			    vbt->t11_t12);
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c
index a280448df771..14d5fefc9c5b 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.c
+++ b/drivers/gpu/drm/i915/display/intel_quirks.c
@@ -9,72 +9,72 @@
 #include "intel_display_types.h"
 #include "intel_quirks.h"
 
-static void intel_set_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk)
+static void intel_set_quirk(struct intel_display *display, enum intel_quirk_id quirk)
 {
-	i915->display.quirks.mask |= BIT(quirk);
+	display->quirks.mask |= BIT(quirk);
 }
 
 /*
  * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
  */
-static void quirk_ssc_force_disable(struct drm_i915_private *i915)
+static void quirk_ssc_force_disable(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_LVDS_SSC_DISABLE);
-	drm_info(&i915->drm, "applying lvds SSC disable quirk\n");
+	intel_set_quirk(display, QUIRK_LVDS_SSC_DISABLE);
+	drm_info(display->drm, "applying lvds SSC disable quirk\n");
 }
 
 /*
  * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
  * brightness value
  */
-static void quirk_invert_brightness(struct drm_i915_private *i915)
+static void quirk_invert_brightness(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_INVERT_BRIGHTNESS);
-	drm_info(&i915->drm, "applying inverted panel brightness quirk\n");
+	intel_set_quirk(display, QUIRK_INVERT_BRIGHTNESS);
+	drm_info(display->drm, "applying inverted panel brightness quirk\n");
 }
 
 /* Some VBT's incorrectly indicate no backlight is present */
-static void quirk_backlight_present(struct drm_i915_private *i915)
+static void quirk_backlight_present(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_BACKLIGHT_PRESENT);
-	drm_info(&i915->drm, "applying backlight present quirk\n");
+	intel_set_quirk(display, QUIRK_BACKLIGHT_PRESENT);
+	drm_info(display->drm, "applying backlight present quirk\n");
 }
 
 /* Toshiba Satellite P50-C-18C requires T12 delay to be min 800ms
  * which is 300 ms greater than eDP spec T12 min.
  */
-static void quirk_increase_t12_delay(struct drm_i915_private *i915)
+static void quirk_increase_t12_delay(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_INCREASE_T12_DELAY);
-	drm_info(&i915->drm, "Applying T12 delay quirk\n");
+	intel_set_quirk(display, QUIRK_INCREASE_T12_DELAY);
+	drm_info(display->drm, "Applying T12 delay quirk\n");
 }
 
 /*
  * GeminiLake NUC HDMI outputs require additional off time
  * this allows the onboard retimer to correctly sync to signal
  */
-static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915)
+static void quirk_increase_ddi_disabled_time(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_INCREASE_DDI_DISABLED_TIME);
-	drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
+	intel_set_quirk(display, QUIRK_INCREASE_DDI_DISABLED_TIME);
+	drm_info(display->drm, "Applying Increase DDI Disabled quirk\n");
 }
 
-static void quirk_no_pps_backlight_power_hook(struct drm_i915_private *i915)
+static void quirk_no_pps_backlight_power_hook(struct intel_display *display)
 {
-	intel_set_quirk(i915, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK);
-	drm_info(&i915->drm, "Applying no pps backlight power quirk\n");
+	intel_set_quirk(display, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK);
+	drm_info(display->drm, "Applying no pps backlight power quirk\n");
 }
 
 struct intel_quirk {
 	int device;
 	int subsystem_vendor;
 	int subsystem_device;
-	void (*hook)(struct drm_i915_private *i915);
+	void (*hook)(struct intel_display *display);
 };
 
 /* For systems that don't have a meaningful PCI subdevice/subvendor ID */
 struct intel_dmi_quirk {
-	void (*hook)(struct drm_i915_private *i915);
+	void (*hook)(struct intel_display *display);
 	const struct dmi_system_id (*dmi_id_list)[];
 };
 
@@ -203,9 +203,9 @@ static struct intel_quirk intel_quirks[] = {
 	{ 0x0f31, 0x103c, 0x220f, quirk_invert_brightness },
 };
 
-void intel_init_quirks(struct drm_i915_private *i915)
+void intel_init_quirks(struct intel_display *display)
 {
-	struct pci_dev *d = to_pci_dev(i915->drm.dev);
+	struct pci_dev *d = to_pci_dev(display->drm->dev);
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) {
@@ -216,15 +216,15 @@ void intel_init_quirks(struct drm_i915_private *i915)
 		     q->subsystem_vendor == PCI_ANY_ID) &&
 		    (d->subsystem_device == q->subsystem_device ||
 		     q->subsystem_device == PCI_ANY_ID))
-			q->hook(i915);
+			q->hook(display);
 	}
 	for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
 		if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
-			intel_dmi_quirks[i].hook(i915);
+			intel_dmi_quirks[i].hook(display);
 	}
 }
 
-bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk)
+bool intel_has_quirk(struct intel_display *display, enum intel_quirk_id quirk)
 {
-	return i915->display.quirks.mask & BIT(quirk);
+	return display->quirks.mask & BIT(quirk);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.h b/drivers/gpu/drm/i915/display/intel_quirks.h
index 10a4d163149f..151c8f4ae576 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.h
+++ b/drivers/gpu/drm/i915/display/intel_quirks.h
@@ -8,7 +8,7 @@
 
 #include <linux/types.h>
 
-struct drm_i915_private;
+struct intel_display;
 
 enum intel_quirk_id {
 	QUIRK_BACKLIGHT_PRESENT,
@@ -19,7 +19,7 @@ enum intel_quirk_id {
 	QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK,
 };
 
-void intel_init_quirks(struct drm_i915_private *i915);
-bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk);
+void intel_init_quirks(struct intel_display *display);
+bool intel_has_quirk(struct intel_display *display, enum intel_quirk_id quirk);
 
 #endif /* __INTEL_QUIRKS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c
index 53dbcdf140b5..e6df1f92def5 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c
@@ -1811,7 +1811,7 @@ int intel_mpllb_calc_state(struct intel_crtc_state *crtc_state,
 
 	for (i = 0; tables[i]; i++) {
 		if (crtc_state->port_clock == tables[i]->clock) {
-			crtc_state->mpllb_state = *tables[i];
+			crtc_state->dpll_hw_state.mpllb = *tables[i];
 			return 0;
 		}
 	}
@@ -1823,7 +1823,7 @@ void intel_mpllb_enable(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	const struct intel_mpllb_state *pll_state = &crtc_state->mpllb_state;
+	const struct intel_mpllb_state *pll_state = &crtc_state->dpll_hw_state.mpllb;
 	enum phy phy = intel_encoder_to_phy(encoder);
 	i915_reg_t enable_reg = (phy <= PHY_D ?
 				 DG2_PLL_ENABLE(phy) : MG_PLL_ENABLE(0));
@@ -2001,7 +2001,7 @@ void intel_mpllb_state_verify(struct intel_atomic_state *state,
 	const struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_mpllb_state mpllb_hw_state = {};
-	const struct intel_mpllb_state *mpllb_sw_state = &new_crtc_state->mpllb_state;
+	const struct intel_mpllb_state *mpllb_sw_state = &new_crtc_state->dpll_hw_state.mpllb;
 	struct intel_encoder *encoder;
 
 	if (!IS_DG2(i915))
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 8436af8525da..7c6187b4479f 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -70,7 +70,7 @@ static bool skl_needs_memory_bw_wa(struct drm_i915_private *i915)
 	return DISPLAY_VER(i915) == 9;
 }
 
-static bool
+bool
 intel_has_sagv(struct drm_i915_private *i915)
 {
 	return HAS_SAGV(i915) &&
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h b/drivers/gpu/drm/i915/display/skl_watermark.h
index ef1a008466be..91f92c0e706e 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.h
+++ b/drivers/gpu/drm/i915/display/skl_watermark.h
@@ -25,6 +25,7 @@ void intel_sagv_pre_plane_update(struct intel_atomic_state *state);
 void intel_sagv_post_plane_update(struct intel_atomic_state *state);
 bool intel_can_enable_sagv(struct drm_i915_private *i915,
 			   const struct intel_bw_state *bw_state);
+bool intel_has_sagv(struct drm_i915_private *i915);
 
 u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *i915,
 			    const struct skl_ddb_entry *entry);
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index 63f4af601d15..ee9923c7b115 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -85,20 +85,18 @@ enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt)
 
 void vlv_dsi_wait_for_fifo_empty(struct intel_dsi *intel_dsi, enum port port)
 {
-	struct drm_encoder *encoder = &intel_dsi->base.base;
-	struct drm_device *dev = encoder->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(&intel_dsi->base);
 	u32 mask;
 
 	mask = LP_CTRL_FIFO_EMPTY | HS_CTRL_FIFO_EMPTY |
 		LP_DATA_FIFO_EMPTY | HS_DATA_FIFO_EMPTY;
 
-	if (intel_de_wait_for_set(dev_priv, MIPI_GEN_FIFO_STAT(port),
+	if (intel_de_wait_for_set(display, MIPI_GEN_FIFO_STAT(display, port),
 				  mask, 100))
-		drm_err(&dev_priv->drm, "DPI FIFOs are not empty\n");
+		drm_err(display->drm, "DPI FIFOs are not empty\n");
 }
 
-static void write_data(struct drm_i915_private *dev_priv,
+static void write_data(struct intel_display *display,
 		       i915_reg_t reg,
 		       const u8 *data, u32 len)
 {
@@ -110,18 +108,18 @@ static void write_data(struct drm_i915_private *dev_priv,
 		for (j = 0; j < min_t(u32, len - i, 4); j++)
 			val |= *data++ << 8 * j;
 
-		intel_de_write(dev_priv, reg, val);
+		intel_de_write(display, reg, val);
 	}
 }
 
-static void read_data(struct drm_i915_private *dev_priv,
+static void read_data(struct intel_display *display,
 		      i915_reg_t reg,
 		      u8 *data, u32 len)
 {
 	u32 i, j;
 
 	for (i = 0; i < len; i += 4) {
-		u32 val = intel_de_read(dev_priv, reg);
+		u32 val = intel_de_read(display, reg);
 
 		for (j = 0; j < min_t(u32, len - i, 4); j++)
 			*data++ = val >> 8 * j;
@@ -132,8 +130,8 @@ static ssize_t intel_dsi_host_transfer(struct mipi_dsi_host *host,
 				       const struct mipi_dsi_msg *msg)
 {
 	struct intel_dsi_host *intel_dsi_host = to_intel_dsi_host(host);
-	struct drm_device *dev = intel_dsi_host->intel_dsi->base.base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_dsi *intel_dsi = intel_dsi_host->intel_dsi;
+	struct intel_display *display = to_intel_display(&intel_dsi->base);
 	enum port port = intel_dsi_host->port;
 	struct mipi_dsi_packet packet;
 	ssize_t ret;
@@ -148,51 +146,51 @@ static ssize_t intel_dsi_host_transfer(struct mipi_dsi_host *host,
 	header = packet.header;
 
 	if (msg->flags & MIPI_DSI_MSG_USE_LPM) {
-		data_reg = MIPI_LP_GEN_DATA(port);
+		data_reg = MIPI_LP_GEN_DATA(display, port);
 		data_mask = LP_DATA_FIFO_FULL;
-		ctrl_reg = MIPI_LP_GEN_CTRL(port);
+		ctrl_reg = MIPI_LP_GEN_CTRL(display, port);
 		ctrl_mask = LP_CTRL_FIFO_FULL;
 	} else {
-		data_reg = MIPI_HS_GEN_DATA(port);
+		data_reg = MIPI_HS_GEN_DATA(display, port);
 		data_mask = HS_DATA_FIFO_FULL;
-		ctrl_reg = MIPI_HS_GEN_CTRL(port);
+		ctrl_reg = MIPI_HS_GEN_CTRL(display, port);
 		ctrl_mask = HS_CTRL_FIFO_FULL;
 	}
 
 	/* note: this is never true for reads */
 	if (packet.payload_length) {
-		if (intel_de_wait_for_clear(dev_priv, MIPI_GEN_FIFO_STAT(port),
+		if (intel_de_wait_for_clear(display, MIPI_GEN_FIFO_STAT(display, port),
 					    data_mask, 50))
-			drm_err(&dev_priv->drm,
+			drm_err(display->drm,
 				"Timeout waiting for HS/LP DATA FIFO !full\n");
 
-		write_data(dev_priv, data_reg, packet.payload,
+		write_data(display, data_reg, packet.payload,
 			   packet.payload_length);
 	}
 
 	if (msg->rx_len) {
-		intel_de_write(dev_priv, MIPI_INTR_STAT(port),
+		intel_de_write(display, MIPI_INTR_STAT(display, port),
 			       GEN_READ_DATA_AVAIL);
 	}
 
-	if (intel_de_wait_for_clear(dev_priv, MIPI_GEN_FIFO_STAT(port),
+	if (intel_de_wait_for_clear(display, MIPI_GEN_FIFO_STAT(display, port),
 				    ctrl_mask, 50)) {
-		drm_err(&dev_priv->drm,
+		drm_err(display->drm,
 			"Timeout waiting for HS/LP CTRL FIFO !full\n");
 	}
 
-	intel_de_write(dev_priv, ctrl_reg,
+	intel_de_write(display, ctrl_reg,
 		       header[2] << 16 | header[1] << 8 | header[0]);
 
 	/* ->rx_len is set only for reads */
 	if (msg->rx_len) {
 		data_mask = GEN_READ_DATA_AVAIL;
-		if (intel_de_wait_for_set(dev_priv, MIPI_INTR_STAT(port),
+		if (intel_de_wait_for_set(display, MIPI_INTR_STAT(display, port),
 					  data_mask, 50))
-			drm_err(&dev_priv->drm,
+			drm_err(display->drm,
 				"Timeout waiting for read data.\n");
 
-		read_data(dev_priv, data_reg, msg->rx_buf, msg->rx_len);
+		read_data(display, data_reg, msg->rx_buf, msg->rx_len);
 	}
 
 	/* XXX: fix for reads and writes */
@@ -225,9 +223,7 @@ static const struct mipi_dsi_host_ops intel_dsi_host_ops = {
 static int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs,
 			enum port port)
 {
-	struct drm_encoder *encoder = &intel_dsi->base.base;
-	struct drm_device *dev = encoder->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(&intel_dsi->base);
 	u32 mask;
 
 	/* XXX: pipe, hs */
@@ -237,18 +233,18 @@ static int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs,
 		cmd |= DPI_LP_MODE;
 
 	/* clear bit */
-	intel_de_write(dev_priv, MIPI_INTR_STAT(port), SPL_PKT_SENT_INTERRUPT);
+	intel_de_write(display, MIPI_INTR_STAT(display, port), SPL_PKT_SENT_INTERRUPT);
 
 	/* XXX: old code skips write if control unchanged */
-	if (cmd == intel_de_read(dev_priv, MIPI_DPI_CONTROL(port)))
-		drm_dbg_kms(&dev_priv->drm,
+	if (cmd == intel_de_read(display, MIPI_DPI_CONTROL(display, port)))
+		drm_dbg_kms(display->drm,
 			    "Same special packet %02x twice in a row.\n", cmd);
 
-	intel_de_write(dev_priv, MIPI_DPI_CONTROL(port), cmd);
+	intel_de_write(display, MIPI_DPI_CONTROL(display, port), cmd);
 
 	mask = SPL_PKT_SENT_INTERRUPT;
-	if (intel_de_wait_for_set(dev_priv, MIPI_INTR_STAT(port), mask, 100))
-		drm_err(&dev_priv->drm,
+	if (intel_de_wait_for_set(display, MIPI_INTR_STAT(display, port), mask, 100))
+		drm_err(display->drm,
 			"Video mode command 0x%08x send failed.\n", cmd);
 
 	return 0;
@@ -328,7 +324,7 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder,
 
 static bool glk_dsi_enable_io(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	bool cold_boot = false;
@@ -338,29 +334,30 @@ static bool glk_dsi_enable_io(struct intel_encoder *encoder)
 	 * Power ON MIPI IO first and then write into IO reset and LP wake bits
 	 */
 	for_each_dsi_port(port, intel_dsi->ports)
-		intel_de_rmw(dev_priv, MIPI_CTRL(port), 0, GLK_MIPIIO_ENABLE);
+		intel_de_rmw(display, MIPI_CTRL(display, port), 0, GLK_MIPIIO_ENABLE);
 
 	/* Put the IO into reset */
-	intel_de_rmw(dev_priv, MIPI_CTRL(PORT_A), GLK_MIPIIO_RESET_RELEASED, 0);
+	intel_de_rmw(display, MIPI_CTRL(display, PORT_A), GLK_MIPIIO_RESET_RELEASED, 0);
 
 	/* Program LP Wake */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		u32 tmp = intel_de_read(dev_priv, MIPI_DEVICE_READY(port));
-		intel_de_rmw(dev_priv, MIPI_CTRL(port),
+		u32 tmp = intel_de_read(display, MIPI_DEVICE_READY(display, port));
+
+		intel_de_rmw(display, MIPI_CTRL(display, port),
 			     GLK_LP_WAKE, (tmp & DEVICE_READY) ? GLK_LP_WAKE : 0);
 	}
 
 	/* Wait for Pwr ACK */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_set(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_set(display, MIPI_CTRL(display, port),
 					  GLK_MIPIIO_PORT_POWERED, 20))
-			drm_err(&dev_priv->drm, "MIPIO port is powergated\n");
+			drm_err(display->drm, "MIPIO port is powergated\n");
 	}
 
 	/* Check for cold boot scenario */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		cold_boot |=
-			!(intel_de_read(dev_priv, MIPI_DEVICE_READY(port)) & DEVICE_READY);
+			!(intel_de_read(display, MIPI_DEVICE_READY(display, port)) & DEVICE_READY);
 	}
 
 	return cold_boot;
@@ -368,99 +365,100 @@ static bool glk_dsi_enable_io(struct intel_encoder *encoder)
 
 static void glk_dsi_device_ready(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	/* Wait for MIPI PHY status bit to set */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_set(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_set(display, MIPI_CTRL(display, port),
 					  GLK_PHY_STATUS_PORT_READY, 20))
-			drm_err(&dev_priv->drm, "PHY is not ON\n");
+			drm_err(display->drm, "PHY is not ON\n");
 	}
 
 	/* Get IO out of reset */
-	intel_de_rmw(dev_priv, MIPI_CTRL(PORT_A), 0, GLK_MIPIIO_RESET_RELEASED);
+	intel_de_rmw(display, MIPI_CTRL(display, PORT_A), 0, GLK_MIPIIO_RESET_RELEASED);
 
 	/* Get IO out of Low power state*/
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (!(intel_de_read(dev_priv, MIPI_DEVICE_READY(port)) & DEVICE_READY)) {
-			intel_de_rmw(dev_priv, MIPI_DEVICE_READY(port),
+		if (!(intel_de_read(display, MIPI_DEVICE_READY(display, port)) & DEVICE_READY)) {
+			intel_de_rmw(display, MIPI_DEVICE_READY(display, port),
 				     ULPS_STATE_MASK, DEVICE_READY);
 			usleep_range(10, 15);
 		} else {
 			/* Enter ULPS */
-			intel_de_rmw(dev_priv, MIPI_DEVICE_READY(port),
+			intel_de_rmw(display, MIPI_DEVICE_READY(display, port),
 				     ULPS_STATE_MASK, ULPS_STATE_ENTER | DEVICE_READY);
 
 			/* Wait for ULPS active */
-			if (intel_de_wait_for_clear(dev_priv, MIPI_CTRL(port),
+			if (intel_de_wait_for_clear(display, MIPI_CTRL(display, port),
 						    GLK_ULPS_NOT_ACTIVE, 20))
-				drm_err(&dev_priv->drm, "ULPS not active\n");
+				drm_err(display->drm, "ULPS not active\n");
 
 			/* Exit ULPS */
-			intel_de_rmw(dev_priv, MIPI_DEVICE_READY(port),
+			intel_de_rmw(display, MIPI_DEVICE_READY(display, port),
 				     ULPS_STATE_MASK, ULPS_STATE_EXIT | DEVICE_READY);
 
 			/* Enter Normal Mode */
-			intel_de_rmw(dev_priv, MIPI_DEVICE_READY(port),
+			intel_de_rmw(display, MIPI_DEVICE_READY(display, port),
 				     ULPS_STATE_MASK,
 				     ULPS_STATE_NORMAL_OPERATION | DEVICE_READY);
 
-			intel_de_rmw(dev_priv, MIPI_CTRL(port), GLK_LP_WAKE, 0);
+			intel_de_rmw(display, MIPI_CTRL(display, port), GLK_LP_WAKE, 0);
 		}
 	}
 
 	/* Wait for Stop state */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_set(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_set(display, MIPI_CTRL(display, port),
 					  GLK_DATA_LANE_STOP_STATE, 20))
-			drm_err(&dev_priv->drm,
+			drm_err(display->drm,
 				"Date lane not in STOP state\n");
 	}
 
 	/* Wait for AFE LATCH */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_set(dev_priv, BXT_MIPI_PORT_CTRL(port),
+		if (intel_de_wait_for_set(display, BXT_MIPI_PORT_CTRL(port),
 					  AFE_LATCHOUT, 20))
-			drm_err(&dev_priv->drm,
+			drm_err(display->drm,
 				"D-PHY not entering LP-11 state\n");
 	}
 }
 
 static void bxt_dsi_device_ready(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 
 	/* Enable MIPI PHY transparent latch */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		intel_de_rmw(dev_priv, BXT_MIPI_PORT_CTRL(port), 0, LP_OUTPUT_HOLD);
+		intel_de_rmw(display, BXT_MIPI_PORT_CTRL(port), 0, LP_OUTPUT_HOLD);
 		usleep_range(2000, 2500);
 	}
 
 	/* Clear ULPS and set device ready */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		val = intel_de_read(dev_priv, MIPI_DEVICE_READY(port));
+		val = intel_de_read(display, MIPI_DEVICE_READY(display, port));
 		val &= ~ULPS_STATE_MASK;
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port), val);
+		intel_de_write(display, MIPI_DEVICE_READY(display, port), val);
 		usleep_range(2000, 2500);
 		val |= DEVICE_READY;
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port), val);
+		intel_de_write(display, MIPI_DEVICE_READY(display, port), val);
 	}
 }
 
 static void vlv_dsi_device_ready(struct intel_encoder *encoder)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 
 	vlv_flisdsi_get(dev_priv);
 	/* program rcomp for compliance, reduce from 50 ohms to 45 ohms
@@ -473,7 +471,7 @@ static void vlv_dsi_device_ready(struct intel_encoder *encoder)
 
 	for_each_dsi_port(port, intel_dsi->ports) {
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       ULPS_STATE_ENTER);
 		usleep_range(2500, 3000);
 
@@ -481,14 +479,14 @@ static void vlv_dsi_device_ready(struct intel_encoder *encoder)
 		 * Common bit for both MIPI Port A & MIPI Port C
 		 * No similar bit in MIPI Port C reg
 		 */
-		intel_de_rmw(dev_priv, MIPI_PORT_CTRL(PORT_A), 0, LP_OUTPUT_HOLD);
+		intel_de_rmw(display, VLV_MIPI_PORT_CTRL(PORT_A), 0, LP_OUTPUT_HOLD);
 		usleep_range(1000, 1500);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       ULPS_STATE_EXIT);
 		usleep_range(2500, 3000);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       DEVICE_READY);
 		usleep_range(2500, 3000);
 	}
@@ -508,50 +506,50 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
 
 static void glk_dsi_enter_low_power_mode(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	/* Enter ULPS */
 	for_each_dsi_port(port, intel_dsi->ports)
-		intel_de_rmw(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_rmw(display, MIPI_DEVICE_READY(display, port),
 			     ULPS_STATE_MASK, ULPS_STATE_ENTER | DEVICE_READY);
 
 	/* Wait for MIPI PHY status bit to unset */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_clear(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_clear(display, MIPI_CTRL(display, port),
 					    GLK_PHY_STATUS_PORT_READY, 20))
-			drm_err(&dev_priv->drm, "PHY is not turning OFF\n");
+			drm_err(display->drm, "PHY is not turning OFF\n");
 	}
 
 	/* Wait for Pwr ACK bit to unset */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_clear(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_clear(display, MIPI_CTRL(display, port),
 					    GLK_MIPIIO_PORT_POWERED, 20))
-			drm_err(&dev_priv->drm,
+			drm_err(display->drm,
 				"MIPI IO Port is not powergated\n");
 	}
 }
 
 static void glk_dsi_disable_mipi_io(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	/* Put the IO into reset */
-	intel_de_rmw(dev_priv, MIPI_CTRL(PORT_A), GLK_MIPIIO_RESET_RELEASED, 0);
+	intel_de_rmw(display, MIPI_CTRL(display, PORT_A), GLK_MIPIIO_RESET_RELEASED, 0);
 
 	/* Wait for MIPI PHY status bit to unset */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_wait_for_clear(dev_priv, MIPI_CTRL(port),
+		if (intel_de_wait_for_clear(display, MIPI_CTRL(display, port),
 					    GLK_PHY_STATUS_PORT_READY, 20))
-			drm_err(&dev_priv->drm, "PHY is not turning OFF\n");
+			drm_err(display->drm, "PHY is not turning OFF\n");
 	}
 
 	/* Clear MIPI mode */
 	for_each_dsi_port(port, intel_dsi->ports)
-		intel_de_rmw(dev_priv, MIPI_CTRL(port), GLK_MIPIIO_ENABLE, 0);
+		intel_de_rmw(display, MIPI_CTRL(display, port), GLK_MIPIIO_ENABLE, 0);
 }
 
 static void glk_dsi_clear_device_ready(struct intel_encoder *encoder)
@@ -563,30 +561,31 @@ static void glk_dsi_clear_device_ready(struct intel_encoder *encoder)
 static i915_reg_t port_ctrl_reg(struct drm_i915_private *i915, enum port port)
 {
 	return IS_GEMINILAKE(i915) || IS_BROXTON(i915) ?
-		BXT_MIPI_PORT_CTRL(port) : MIPI_PORT_CTRL(port);
+		BXT_MIPI_PORT_CTRL(port) : VLV_MIPI_PORT_CTRL(port);
 }
 
 static void vlv_dsi_clear_device_ready(struct intel_encoder *encoder)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 	for_each_dsi_port(port, intel_dsi->ports) {
 		/* Common bit for both MIPI Port A & MIPI Port C on VLV/CHV */
 		i915_reg_t port_ctrl = IS_BROXTON(dev_priv) ?
-			BXT_MIPI_PORT_CTRL(port) : MIPI_PORT_CTRL(PORT_A);
+			BXT_MIPI_PORT_CTRL(port) : VLV_MIPI_PORT_CTRL(PORT_A);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       DEVICE_READY | ULPS_STATE_ENTER);
 		usleep_range(2000, 2500);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       DEVICE_READY | ULPS_STATE_EXIT);
 		usleep_range(2000, 2500);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port),
+		intel_de_write(display, MIPI_DEVICE_READY(display, port),
 			       DEVICE_READY | ULPS_STATE_ENTER);
 		usleep_range(2000, 2500);
 
@@ -595,15 +594,15 @@ static void vlv_dsi_clear_device_ready(struct intel_encoder *encoder)
 		 * Port A only. MIPI Port C has no similar bit for checking.
 		 */
 		if ((IS_BROXTON(dev_priv) || port == PORT_A) &&
-		    intel_de_wait_for_clear(dev_priv, port_ctrl,
+		    intel_de_wait_for_clear(display, port_ctrl,
 					    AFE_LATCHOUT, 30))
-			drm_err(&dev_priv->drm, "DSI LP not going Low\n");
+			drm_err(display->drm, "DSI LP not going Low\n");
 
 		/* Disable MIPI PHY transparent latch */
-		intel_de_rmw(dev_priv, port_ctrl, LP_OUTPUT_HOLD, 0);
+		intel_de_rmw(display, port_ctrl, LP_OUTPUT_HOLD, 0);
 		usleep_range(1000, 1500);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port), 0x00);
+		intel_de_write(display, MIPI_DEVICE_READY(display, port), 0x00);
 		usleep_range(2000, 2500);
 	}
 }
@@ -611,6 +610,7 @@ static void vlv_dsi_clear_device_ready(struct intel_encoder *encoder)
 static void intel_dsi_port_enable(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
@@ -621,11 +621,11 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder,
 
 		if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
 			for_each_dsi_port(port, intel_dsi->ports)
-				intel_de_rmw(dev_priv, MIPI_CTRL(port),
+				intel_de_rmw(display, MIPI_CTRL(display, port),
 					     BXT_PIXEL_OVERLAP_CNT_MASK,
 					     temp << BXT_PIXEL_OVERLAP_CNT_SHIFT);
 		} else {
-			intel_de_rmw(dev_priv, VLV_CHICKEN_3,
+			intel_de_rmw(display, VLV_CHICKEN_3,
 				     PIXEL_OVERLAP_CNT_MASK,
 				     temp << PIXEL_OVERLAP_CNT_SHIFT);
 		}
@@ -635,7 +635,7 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder,
 		i915_reg_t port_ctrl = port_ctrl_reg(dev_priv, port);
 		u32 temp;
 
-		temp = intel_de_read(dev_priv, port_ctrl);
+		temp = intel_de_read(display, port_ctrl);
 
 		temp &= ~LANE_CONFIGURATION_MASK;
 		temp &= ~DUAL_LINK_MODE_MASK;
@@ -655,15 +655,15 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder,
 			temp |= DITHERING_ENABLE;
 
 		/* assert ip_tg_enable signal */
-		intel_de_write(dev_priv, port_ctrl, temp | DPI_ENABLE);
-		intel_de_posting_read(dev_priv, port_ctrl);
+		intel_de_write(display, port_ctrl, temp | DPI_ENABLE);
+		intel_de_posting_read(display, port_ctrl);
 	}
 }
 
 static void intel_dsi_port_disable(struct intel_encoder *encoder)
 {
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(encoder);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
@@ -671,11 +671,12 @@ static void intel_dsi_port_disable(struct intel_encoder *encoder)
 		i915_reg_t port_ctrl = port_ctrl_reg(dev_priv, port);
 
 		/* de-assert ip_tg_enable signal */
-		intel_de_rmw(dev_priv, port_ctrl, DPI_ENABLE, 0);
-		intel_de_posting_read(dev_priv, port_ctrl);
+		intel_de_rmw(display, port_ctrl, DPI_ENABLE, 0);
+		intel_de_posting_read(display, port_ctrl);
 	}
 }
-static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
+
+static void intel_dsi_prepare(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *pipe_config);
 static void intel_dsi_unprepare(struct intel_encoder *encoder);
 
@@ -725,6 +726,7 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state,
 				 const struct intel_crtc_state *pipe_config,
 				 const struct drm_connector_state *conn_state)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -732,7 +734,7 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state,
 	enum port port;
 	bool glk_cold_boot = false;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 
 	intel_dsi_wait_panel_power_cycle(intel_dsi);
 
@@ -752,16 +754,16 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state,
 
 	if (IS_BROXTON(dev_priv)) {
 		/* Add MIPI IO reset programming for modeset */
-		intel_de_rmw(dev_priv, BXT_P_CR_GT_DISP_PWRON, 0, MIPIO_RST_CTRL);
+		intel_de_rmw(display, BXT_P_CR_GT_DISP_PWRON, 0, MIPIO_RST_CTRL);
 
 		/* Power up DSI regulator */
-		intel_de_write(dev_priv, BXT_P_DSI_REGULATOR_CFG, STAP_SELECT);
-		intel_de_write(dev_priv, BXT_P_DSI_REGULATOR_TX_CTRL, 0);
+		intel_de_write(display, BXT_P_DSI_REGULATOR_CFG, STAP_SELECT);
+		intel_de_write(display, BXT_P_DSI_REGULATOR_TX_CTRL, 0);
 	}
 
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		/* Disable DPOunit clock gating, can stall pipe */
-		intel_de_rmw(dev_priv, DSPCLK_GATE_D(dev_priv),
+		intel_de_rmw(display, DSPCLK_GATE_D(dev_priv),
 			     0, DPOUNIT_CLOCK_GATE_DISABLE);
 	}
 
@@ -797,8 +799,8 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state,
 	 */
 	if (is_cmd_mode(intel_dsi)) {
 		for_each_dsi_port(port, intel_dsi->ports)
-			intel_de_write(dev_priv,
-				       MIPI_MAX_RETURN_PKT_SIZE(port), 8 * 4);
+			intel_de_write(display,
+				       MIPI_MAX_RETURN_PKT_SIZE(display, port), 8 * 4);
 		intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_TEAR_ON);
 		intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
 	} else {
@@ -870,11 +872,12 @@ static void intel_dsi_post_disable(struct intel_atomic_state *state,
 				   const struct intel_crtc_state *old_crtc_state,
 				   const struct drm_connector_state *old_conn_state)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
 		intel_crtc_vblank_off(old_crtc_state);
@@ -905,12 +908,12 @@ static void intel_dsi_post_disable(struct intel_atomic_state *state,
 
 	if (IS_BROXTON(dev_priv)) {
 		/* Power down DSI regulator to save power */
-		intel_de_write(dev_priv, BXT_P_DSI_REGULATOR_CFG, STAP_SELECT);
-		intel_de_write(dev_priv, BXT_P_DSI_REGULATOR_TX_CTRL,
+		intel_de_write(display, BXT_P_DSI_REGULATOR_CFG, STAP_SELECT);
+		intel_de_write(display, BXT_P_DSI_REGULATOR_TX_CTRL,
 			       HS_IO_CTRL_SELECT);
 
 		/* Add MIPI IO reset programming for modeset */
-		intel_de_rmw(dev_priv, BXT_P_CR_GT_DISP_PWRON, MIPIO_RST_CTRL, 0);
+		intel_de_rmw(display, BXT_P_CR_GT_DISP_PWRON, MIPIO_RST_CTRL, 0);
 	}
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
@@ -918,7 +921,7 @@ static void intel_dsi_post_disable(struct intel_atomic_state *state,
 	} else {
 		vlv_dsi_pll_disable(encoder);
 
-		intel_de_rmw(dev_priv, DSPCLK_GATE_D(dev_priv),
+		intel_de_rmw(display, DSPCLK_GATE_D(dev_priv),
 			     DPOUNIT_CLOCK_GATE_DISABLE, 0);
 	}
 
@@ -934,13 +937,14 @@ static void intel_dsi_post_disable(struct intel_atomic_state *state,
 static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
 				   enum pipe *pipe)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	intel_wakeref_t wakeref;
 	enum port port;
 	bool active = false;
 
-	drm_dbg_kms(&dev_priv->drm, "\n");
+	drm_dbg_kms(display->drm, "\n");
 
 	wakeref = intel_display_power_get_if_enabled(dev_priv,
 						     encoder->power_domain);
@@ -959,7 +963,7 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
 	/* XXX: this only works for one DSI output */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		i915_reg_t port_ctrl = port_ctrl_reg(dev_priv, port);
-		bool enabled = intel_de_read(dev_priv, port_ctrl) & DPI_ENABLE;
+		bool enabled = intel_de_read(display, port_ctrl) & DPI_ENABLE;
 
 		/*
 		 * Due to some hardware limitations on VLV/CHV, the DPI enable
@@ -968,27 +972,27 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
 		 */
 		if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
 		    port == PORT_C)
-			enabled = intel_de_read(dev_priv, TRANSCONF(PIPE_B)) & TRANSCONF_ENABLE;
+			enabled = intel_de_read(display, TRANSCONF(PIPE_B)) & TRANSCONF_ENABLE;
 
 		/* Try command mode if video mode not enabled */
 		if (!enabled) {
-			u32 tmp = intel_de_read(dev_priv,
-						MIPI_DSI_FUNC_PRG(port));
+			u32 tmp = intel_de_read(display,
+						MIPI_DSI_FUNC_PRG(display, port));
 			enabled = tmp & CMD_MODE_DATA_WIDTH_MASK;
 		}
 
 		if (!enabled)
 			continue;
 
-		if (!(intel_de_read(dev_priv, MIPI_DEVICE_READY(port)) & DEVICE_READY))
+		if (!(intel_de_read(display, MIPI_DEVICE_READY(display, port)) & DEVICE_READY))
 			continue;
 
 		if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
-			u32 tmp = intel_de_read(dev_priv, MIPI_CTRL(port));
+			u32 tmp = intel_de_read(display, MIPI_CTRL(display, port));
 			tmp &= BXT_PIPE_SELECT_MASK;
 			tmp >>= BXT_PIPE_SELECT_SHIFT;
 
-			if (drm_WARN_ON(&dev_priv->drm, tmp > PIPE_C))
+			if (drm_WARN_ON(display->drm, tmp > PIPE_C))
 				continue;
 
 			*pipe = tmp;
@@ -1009,8 +1013,7 @@ out_put_power:
 static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
 				    struct intel_crtc_state *pipe_config)
 {
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_display_mode *adjusted_mode =
 					&pipe_config->hw.adjusted_mode;
 	struct drm_display_mode *adjusted_mode_sw;
@@ -1032,11 +1035,11 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
 	 * encoder->get_hw_state() returns true.
 	 */
 	for_each_dsi_port(port, intel_dsi->ports) {
-		if (intel_de_read(dev_priv, BXT_MIPI_PORT_CTRL(port)) & DPI_ENABLE)
+		if (intel_de_read(display, BXT_MIPI_PORT_CTRL(port)) & DPI_ENABLE)
 			break;
 	}
 
-	fmt = intel_de_read(dev_priv, MIPI_DSI_FUNC_PRG(port)) & VID_MODE_FORMAT_MASK;
+	fmt = intel_de_read(display, MIPI_DSI_FUNC_PRG(display, port)) & VID_MODE_FORMAT_MASK;
 	bpp = mipi_dsi_pixel_format_to_bpp(
 			pixel_format_from_register_bits(fmt));
 
@@ -1048,24 +1051,24 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
 
 	/* In terms of pixels */
 	adjusted_mode->crtc_hdisplay =
-				intel_de_read(dev_priv,
+				intel_de_read(display,
 				              BXT_MIPI_TRANS_HACTIVE(port));
 	adjusted_mode->crtc_vdisplay =
-				intel_de_read(dev_priv,
+				intel_de_read(display,
 				              BXT_MIPI_TRANS_VACTIVE(port));
 	adjusted_mode->crtc_vtotal =
-				intel_de_read(dev_priv,
+				intel_de_read(display,
 				              BXT_MIPI_TRANS_VTOTAL(port));
 
 	hactive = adjusted_mode->crtc_hdisplay;
-	hfp = intel_de_read(dev_priv, MIPI_HFP_COUNT(port));
+	hfp = intel_de_read(display, MIPI_HFP_COUNT(display, port));
 
 	/*
 	 * Meaningful for video mode non-burst sync pulse mode only,
 	 * can be zero for non-burst sync events and burst modes
 	 */
-	hsync = intel_de_read(dev_priv, MIPI_HSYNC_PADDING_COUNT(port));
-	hbp = intel_de_read(dev_priv, MIPI_HBP_COUNT(port));
+	hsync = intel_de_read(display, MIPI_HSYNC_PADDING_COUNT(display, port));
+	hbp = intel_de_read(display, MIPI_HBP_COUNT(display, port));
 
 	/* harizontal values are in terms of high speed byte clock */
 	hfp = pixels_from_txbyteclkhs(hfp, bpp, lane_count,
@@ -1082,8 +1085,8 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
 	}
 
 	/* vertical values are in terms of lines */
-	vfp = intel_de_read(dev_priv, MIPI_VFP_COUNT(port));
-	vsync = intel_de_read(dev_priv, MIPI_VSYNC_PADDING_COUNT(port));
+	vfp = intel_de_read(display, MIPI_VFP_COUNT(display, port));
+	vsync = intel_de_read(display, MIPI_VSYNC_PADDING_COUNT(display, port));
 
 	adjusted_mode->crtc_htotal = hactive + hfp + hsync + hbp;
 	adjusted_mode->crtc_hsync_start = hfp + adjusted_mode->crtc_hdisplay;
@@ -1209,12 +1212,12 @@ static u16 txclkesc(u32 divider, unsigned int us)
 	}
 }
 
-static void set_dsi_timings(struct drm_encoder *encoder,
+static void set_dsi_timings(struct intel_encoder *encoder,
 			    const struct drm_display_mode *adjusted_mode)
 {
-	struct drm_device *dev = encoder->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(encoder));
+	struct intel_display *display = to_intel_display(encoder);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	unsigned int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
 	unsigned int lane_count = intel_dsi->lane_count;
@@ -1255,29 +1258,29 @@ static void set_dsi_timings(struct drm_encoder *encoder,
 			 * vactive, as they are calculated per channel basis,
 			 * whereas these values should be based on resolution.
 			 */
-			intel_de_write(dev_priv, BXT_MIPI_TRANS_HACTIVE(port),
+			intel_de_write(display, BXT_MIPI_TRANS_HACTIVE(port),
 				       adjusted_mode->crtc_hdisplay);
-			intel_de_write(dev_priv, BXT_MIPI_TRANS_VACTIVE(port),
+			intel_de_write(display, BXT_MIPI_TRANS_VACTIVE(port),
 				       adjusted_mode->crtc_vdisplay);
-			intel_de_write(dev_priv, BXT_MIPI_TRANS_VTOTAL(port),
+			intel_de_write(display, BXT_MIPI_TRANS_VTOTAL(port),
 				       adjusted_mode->crtc_vtotal);
 		}
 
-		intel_de_write(dev_priv, MIPI_HACTIVE_AREA_COUNT(port),
+		intel_de_write(display, MIPI_HACTIVE_AREA_COUNT(display, port),
 			       hactive);
-		intel_de_write(dev_priv, MIPI_HFP_COUNT(port), hfp);
+		intel_de_write(display, MIPI_HFP_COUNT(display, port), hfp);
 
 		/* meaningful for video mode non-burst sync pulse mode only,
 		 * can be zero for non-burst sync events and burst modes */
-		intel_de_write(dev_priv, MIPI_HSYNC_PADDING_COUNT(port),
+		intel_de_write(display, MIPI_HSYNC_PADDING_COUNT(display, port),
 			       hsync);
-		intel_de_write(dev_priv, MIPI_HBP_COUNT(port), hbp);
+		intel_de_write(display, MIPI_HBP_COUNT(display, port), hbp);
 
 		/* vertical values are in terms of lines */
-		intel_de_write(dev_priv, MIPI_VFP_COUNT(port), vfp);
-		intel_de_write(dev_priv, MIPI_VSYNC_PADDING_COUNT(port),
+		intel_de_write(display, MIPI_VFP_COUNT(display, port), vfp);
+		intel_de_write(display, MIPI_VSYNC_PADDING_COUNT(display, port),
 			       vsync);
-		intel_de_write(dev_priv, MIPI_VBP_COUNT(port), vbp);
+		intel_de_write(display, MIPI_VBP_COUNT(display, port), vbp);
 	}
 }
 
@@ -1298,21 +1301,20 @@ static u32 pixel_format_to_reg(enum mipi_dsi_pixel_format fmt)
 	}
 }
 
-static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
+static void intel_dsi_prepare(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *pipe_config)
 {
-	struct drm_encoder *encoder = &intel_encoder->base;
-	struct drm_device *dev = encoder->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_display *display = to_intel_display(encoder);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(encoder));
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
 	enum port port;
 	unsigned int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
 	u32 val, tmp;
 	u16 mode_hdisplay;
 
-	drm_dbg_kms(&dev_priv->drm, "pipe %c\n", pipe_name(crtc->pipe));
+	drm_dbg_kms(display->drm, "pipe %c\n", pipe_name(crtc->pipe));
 
 	mode_hdisplay = adjusted_mode->crtc_hdisplay;
 
@@ -1328,31 +1330,31 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 			 * escape clock divider, 20MHz, shared for A and C.
 			 * device ready must be off when doing this! txclkesc?
 			 */
-			tmp = intel_de_read(dev_priv, MIPI_CTRL(PORT_A));
+			tmp = intel_de_read(display, MIPI_CTRL(display, PORT_A));
 			tmp &= ~ESCAPE_CLOCK_DIVIDER_MASK;
-			intel_de_write(dev_priv, MIPI_CTRL(PORT_A),
+			intel_de_write(display, MIPI_CTRL(display, PORT_A),
 				       tmp | ESCAPE_CLOCK_DIVIDER_1);
 
 			/* read request priority is per pipe */
-			tmp = intel_de_read(dev_priv, MIPI_CTRL(port));
+			tmp = intel_de_read(display, MIPI_CTRL(display, port));
 			tmp &= ~READ_REQUEST_PRIORITY_MASK;
-			intel_de_write(dev_priv, MIPI_CTRL(port),
+			intel_de_write(display, MIPI_CTRL(display, port),
 				       tmp | READ_REQUEST_PRIORITY_HIGH);
 		} else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) {
 			enum pipe pipe = crtc->pipe;
 
-			intel_de_rmw(dev_priv, MIPI_CTRL(port),
+			intel_de_rmw(display, MIPI_CTRL(display, port),
 				     BXT_PIPE_SELECT_MASK, BXT_PIPE_SELECT(pipe));
 		}
 
 		/* XXX: why here, why like this? handling in irq handler?! */
-		intel_de_write(dev_priv, MIPI_INTR_STAT(port), 0xffffffff);
-		intel_de_write(dev_priv, MIPI_INTR_EN(port), 0xffffffff);
+		intel_de_write(display, MIPI_INTR_STAT(display, port), 0xffffffff);
+		intel_de_write(display, MIPI_INTR_EN(display, port), 0xffffffff);
 
-		intel_de_write(dev_priv, MIPI_DPHY_PARAM(port),
+		intel_de_write(display, MIPI_DPHY_PARAM(display, port),
 			       intel_dsi->dphy_reg);
 
-		intel_de_write(dev_priv, MIPI_DPI_RESOLUTION(port),
+		intel_de_write(display, MIPI_DPI_RESOLUTION(display, port),
 			       adjusted_mode->crtc_vdisplay << VERTICAL_ADDRESS_SHIFT | mode_hdisplay << HORIZONTAL_ADDRESS_SHIFT);
 	}
 
@@ -1380,7 +1382,7 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 	}
 
 	for_each_dsi_port(port, intel_dsi->ports) {
-		intel_de_write(dev_priv, MIPI_DSI_FUNC_PRG(port), val);
+		intel_de_write(display, MIPI_DSI_FUNC_PRG(display, port), val);
 
 		/* timeouts for recovery. one frame IIUC. if counter expires,
 		 * EOT and stop state. */
@@ -1401,23 +1403,23 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 
 		if (is_vid_mode(intel_dsi) &&
 			intel_dsi->video_mode == BURST_MODE) {
-			intel_de_write(dev_priv, MIPI_HS_TX_TIMEOUT(port),
+			intel_de_write(display, MIPI_HS_TX_TIMEOUT(display, port),
 				       txbyteclkhs(adjusted_mode->crtc_htotal, bpp, intel_dsi->lane_count, intel_dsi->burst_mode_ratio) + 1);
 		} else {
-			intel_de_write(dev_priv, MIPI_HS_TX_TIMEOUT(port),
+			intel_de_write(display, MIPI_HS_TX_TIMEOUT(display, port),
 				       txbyteclkhs(adjusted_mode->crtc_vtotal * adjusted_mode->crtc_htotal, bpp, intel_dsi->lane_count, intel_dsi->burst_mode_ratio) + 1);
 		}
-		intel_de_write(dev_priv, MIPI_LP_RX_TIMEOUT(port),
+		intel_de_write(display, MIPI_LP_RX_TIMEOUT(display, port),
 			       intel_dsi->lp_rx_timeout);
-		intel_de_write(dev_priv, MIPI_TURN_AROUND_TIMEOUT(port),
+		intel_de_write(display, MIPI_TURN_AROUND_TIMEOUT(display, port),
 			       intel_dsi->turn_arnd_val);
-		intel_de_write(dev_priv, MIPI_DEVICE_RESET_TIMER(port),
+		intel_de_write(display, MIPI_DEVICE_RESET_TIMER(display, port),
 			       intel_dsi->rst_timer_val);
 
 		/* dphy stuff */
 
 		/* in terms of low power clock */
-		intel_de_write(dev_priv, MIPI_INIT_COUNT(port),
+		intel_de_write(display, MIPI_INIT_COUNT(display, port),
 			       txclkesc(intel_dsi->escape_clk_div, 100));
 
 		if ((IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) &&
@@ -1428,16 +1430,16 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 			 * getting used. So write the other port
 			 * if not in dual link mode.
 			 */
-			intel_de_write(dev_priv,
-				       MIPI_INIT_COUNT(port == PORT_A ? PORT_C : PORT_A),
+			intel_de_write(display,
+				       MIPI_INIT_COUNT(display, port == PORT_A ? PORT_C : PORT_A),
 				       intel_dsi->init_count);
 		}
 
 		/* recovery disables */
-		intel_de_write(dev_priv, MIPI_EOT_DISABLE(port), tmp);
+		intel_de_write(display, MIPI_EOT_DISABLE(display, port), tmp);
 
 		/* in terms of low power clock */
-		intel_de_write(dev_priv, MIPI_INIT_COUNT(port),
+		intel_de_write(display, MIPI_INIT_COUNT(display, port),
 			       intel_dsi->init_count);
 
 		/* in terms of txbyteclkhs. actual high to low switch +
@@ -1445,7 +1447,7 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 		 *
 		 * XXX: write MIPI_STOP_STATE_STALL?
 		 */
-		intel_de_write(dev_priv, MIPI_HIGH_LOW_SWITCH_COUNT(port),
+		intel_de_write(display, MIPI_HIGH_LOW_SWITCH_COUNT(display, port),
 			       intel_dsi->hs_to_lp_count);
 
 		/* XXX: low power clock equivalence in terms of byte clock.
@@ -1454,14 +1456,14 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 		 * txclkesc time / txbyteclk time * (105 + MIPI_STOP_STATE_STALL
 		 * ) / 105.???
 		 */
-		intel_de_write(dev_priv, MIPI_LP_BYTECLK(port),
+		intel_de_write(display, MIPI_LP_BYTECLK(display, port),
 			       intel_dsi->lp_byte_clk);
 
 		if (IS_GEMINILAKE(dev_priv)) {
-			intel_de_write(dev_priv, MIPI_TLPX_TIME_COUNT(port),
+			intel_de_write(display, MIPI_TLPX_TIME_COUNT(display, port),
 				       intel_dsi->lp_byte_clk);
 			/* Shadow of DPHY reg */
-			intel_de_write(dev_priv, MIPI_CLK_LANE_TIMING(port),
+			intel_de_write(display, MIPI_CLK_LANE_TIMING(display, port),
 				       intel_dsi->dphy_reg);
 		}
 
@@ -1470,10 +1472,10 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 		 * this register in terms of byte clocks. based on dsi transfer
 		 * rate and the number of lanes configured the time taken to
 		 * transmit 16 long packets in a dsi stream varies. */
-		intel_de_write(dev_priv, MIPI_DBI_BW_CTRL(port),
+		intel_de_write(display, MIPI_DBI_BW_CTRL(display, port),
 			       intel_dsi->bw_timer);
 
-		intel_de_write(dev_priv, MIPI_CLK_LANE_SWITCH_TIME_CNT(port),
+		intel_de_write(display, MIPI_CLK_LANE_SWITCH_TIME_CNT(display, port),
 			       intel_dsi->clk_lp_to_hs_count << LP_HS_SSW_CNT_SHIFT | intel_dsi->clk_hs_to_lp_count << HS_LP_PWR_SW_CNT_SHIFT);
 
 		if (is_vid_mode(intel_dsi)) {
@@ -1501,13 +1503,14 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 				break;
 			}
 
-			intel_de_write(dev_priv, MIPI_VIDEO_MODE_FORMAT(port), fmt);
+			intel_de_write(display, MIPI_VIDEO_MODE_FORMAT(display, port), fmt);
 		}
 	}
 }
 
 static void intel_dsi_unprepare(struct intel_encoder *encoder)
 {
+	struct intel_display *display = to_intel_display(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
@@ -1517,17 +1520,17 @@ static void intel_dsi_unprepare(struct intel_encoder *encoder)
 
 	for_each_dsi_port(port, intel_dsi->ports) {
 		/* Panel commands can be sent when clock is in LP11 */
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port), 0x0);
+		intel_de_write(display, MIPI_DEVICE_READY(display, port), 0x0);
 
 		if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
 			bxt_dsi_reset_clocks(encoder, port);
 		else
 			vlv_dsi_reset_clocks(encoder, port);
-		intel_de_write(dev_priv, MIPI_EOT_DISABLE(port), CLOCKSTOP);
+		intel_de_write(display, MIPI_EOT_DISABLE(display, port), CLOCKSTOP);
 
-		intel_de_rmw(dev_priv, MIPI_DSI_FUNC_PRG(port), VID_MODE_FORMAT_MASK, 0);
+		intel_de_rmw(display, MIPI_DSI_FUNC_PRG(display, port), VID_MODE_FORMAT_MASK, 0);
 
-		intel_de_write(dev_priv, MIPI_DEVICE_READY(port), 0x1);
+		intel_de_write(display, MIPI_DEVICE_READY(display, port), 0x1);
 	}
 }
 
@@ -1591,8 +1594,7 @@ static void vlv_dsi_add_properties(struct intel_connector *connector)
 
 static void vlv_dphy_param_init(struct intel_dsi *intel_dsi)
 {
-	struct drm_device *dev = intel_dsi->base.base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	struct intel_connector *connector = intel_dsi->attached_connector;
 	struct mipi_config *mipi_config = connector->panel.vbt.dsi.config;
 	u32 tlpx_ns, extra_byte_count, tlpx_ui;
@@ -1878,10 +1880,8 @@ static const struct dmi_system_id vlv_dsi_dmi_quirk_table[] = {
 void vlv_dsi_init(struct drm_i915_private *dev_priv)
 {
 	struct intel_dsi *intel_dsi;
-	struct intel_encoder *intel_encoder;
-	struct drm_encoder *encoder;
-	struct intel_connector *intel_connector;
-	struct drm_connector *connector;
+	struct intel_encoder *encoder;
+	struct intel_connector *connector;
 	struct drm_display_mode *current_mode;
 	const struct dmi_system_id *dmi_id;
 	enum port port;
@@ -1902,64 +1902,61 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	if (!intel_dsi)
 		return;
 
-	intel_connector = intel_connector_alloc();
-	if (!intel_connector) {
+	connector = intel_connector_alloc();
+	if (!connector) {
 		kfree(intel_dsi);
 		return;
 	}
 
-	intel_encoder = &intel_dsi->base;
-	encoder = &intel_encoder->base;
-	intel_dsi->attached_connector = intel_connector;
-
-	connector = &intel_connector->base;
+	encoder = &intel_dsi->base;
+	intel_dsi->attached_connector = connector;
 
-	drm_encoder_init(&dev_priv->drm, encoder, &intel_dsi_funcs, DRM_MODE_ENCODER_DSI,
-			 "DSI %c", port_name(port));
+	drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_dsi_funcs,
+			 DRM_MODE_ENCODER_DSI, "DSI %c", port_name(port));
 
-	intel_encoder->compute_config = intel_dsi_compute_config;
-	intel_encoder->pre_enable = intel_dsi_pre_enable;
+	encoder->compute_config = intel_dsi_compute_config;
+	encoder->pre_enable = intel_dsi_pre_enable;
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
-		intel_encoder->enable = bxt_dsi_enable;
-	intel_encoder->disable = intel_dsi_disable;
-	intel_encoder->post_disable = intel_dsi_post_disable;
-	intel_encoder->get_hw_state = intel_dsi_get_hw_state;
-	intel_encoder->get_config = intel_dsi_get_config;
-	intel_encoder->update_pipe = intel_backlight_update;
-	intel_encoder->shutdown = intel_dsi_shutdown;
+		encoder->enable = bxt_dsi_enable;
+	encoder->disable = intel_dsi_disable;
+	encoder->post_disable = intel_dsi_post_disable;
+	encoder->get_hw_state = intel_dsi_get_hw_state;
+	encoder->get_config = intel_dsi_get_config;
+	encoder->update_pipe = intel_backlight_update;
+	encoder->shutdown = intel_dsi_shutdown;
 
-	intel_connector->get_hw_state = intel_connector_get_hw_state;
+	connector->get_hw_state = intel_connector_get_hw_state;
 
-	intel_encoder->port = port;
-	intel_encoder->type = INTEL_OUTPUT_DSI;
-	intel_encoder->power_domain = POWER_DOMAIN_PORT_DSI;
-	intel_encoder->cloneable = 0;
+	encoder->port = port;
+	encoder->type = INTEL_OUTPUT_DSI;
+	encoder->power_domain = POWER_DOMAIN_PORT_DSI;
+	encoder->cloneable = 0;
 
 	/*
 	 * On BYT/CHV, pipe A maps to MIPI DSI port A, pipe B maps to MIPI DSI
 	 * port C. BXT isn't limited like this.
 	 */
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
-		intel_encoder->pipe_mask = ~0;
+		encoder->pipe_mask = ~0;
 	else if (port == PORT_A)
-		intel_encoder->pipe_mask = BIT(PIPE_A);
+		encoder->pipe_mask = BIT(PIPE_A);
 	else
-		intel_encoder->pipe_mask = BIT(PIPE_B);
+		encoder->pipe_mask = BIT(PIPE_B);
 
 	intel_dsi->panel_power_off_time = ktime_get_boottime();
 
-	intel_bios_init_panel_late(dev_priv, &intel_connector->panel, NULL, NULL);
+	intel_bios_init_panel_late(dev_priv, &connector->panel, NULL, NULL);
 
-	if (intel_connector->panel.vbt.dsi.config->dual_link)
+	if (connector->panel.vbt.dsi.config->dual_link)
 		intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C);
 	else
 		intel_dsi->ports = BIT(port);
 
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.bl_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.bl_ports &= intel_dsi->ports;
+	if (drm_WARN_ON(&dev_priv->drm, connector->panel.vbt.dsi.bl_ports & ~intel_dsi->ports))
+		connector->panel.vbt.dsi.bl_ports &= intel_dsi->ports;
 
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.cabc_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.cabc_ports &= intel_dsi->ports;
+	if (drm_WARN_ON(&dev_priv->drm, connector->panel.vbt.dsi.cabc_ports & ~intel_dsi->ports))
+		connector->panel.vbt.dsi.cabc_ports &= intel_dsi->ports;
 
 	/* Create a DSI host (and a device) for each port. */
 	for_each_dsi_port(port, intel_dsi->ports) {
@@ -1979,7 +1976,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	}
 
 	/* Use clock read-back from current hw-state for fastboot */
-	current_mode = intel_encoder_current_mode(intel_encoder);
+	current_mode = intel_encoder_current_mode(encoder);
 	if (current_mode) {
 		drm_dbg_kms(&dev_priv->drm, "Calculated pclk %d GOP %d\n",
 			    intel_dsi->pclk, current_mode->clock);
@@ -1995,22 +1992,22 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	vlv_dphy_param_init(intel_dsi);
 
 	intel_dsi_vbt_gpio_init(intel_dsi,
-				intel_dsi_get_hw_state(intel_encoder, &pipe));
+				intel_dsi_get_hw_state(encoder, &pipe));
 
-	drm_connector_init(&dev_priv->drm, connector, &intel_dsi_connector_funcs,
+	drm_connector_init(&dev_priv->drm, &connector->base, &intel_dsi_connector_funcs,
 			   DRM_MODE_CONNECTOR_DSI);
 
-	drm_connector_helper_add(connector, &intel_dsi_connector_helper_funcs);
+	drm_connector_helper_add(&connector->base, &intel_dsi_connector_helper_funcs);
 
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB; /*XXX*/
+	connector->base.display_info.subpixel_order = SubPixelHorizontalRGB; /*XXX*/
 
-	intel_connector_attach_encoder(intel_connector, intel_encoder);
+	intel_connector_attach_encoder(connector, encoder);
 
 	mutex_lock(&dev_priv->drm.mode_config.mutex);
-	intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
+	intel_panel_add_vbt_lfp_fixed_mode(connector);
 	mutex_unlock(&dev_priv->drm.mode_config.mutex);
 
-	if (!intel_panel_preferred_fixed_mode(intel_connector)) {
+	if (!intel_panel_preferred_fixed_mode(connector)) {
 		drm_dbg_kms(&dev_priv->drm, "no fixed mode\n");
 		goto err_cleanup_connector;
 	}
@@ -2023,18 +2020,18 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 		quirk_func(intel_dsi);
 	}
 
-	intel_panel_init(intel_connector, NULL);
+	intel_panel_init(connector, NULL);
 
-	intel_backlight_setup(intel_connector, INVALID_PIPE);
+	intel_backlight_setup(connector, INVALID_PIPE);
 
-	vlv_dsi_add_properties(intel_connector);
+	vlv_dsi_add_properties(connector);
 
 	return;
 
 err_cleanup_connector:
-	drm_connector_cleanup(&intel_connector->base);
+	drm_connector_cleanup(&connector->base);
 err:
-	drm_encoder_cleanup(&intel_encoder->base);
+	drm_encoder_cleanup(&encoder->base);
 	kfree(intel_dsi);
-	kfree(intel_connector);
+	kfree(connector);
 }
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
index ae0a0b11bae3..70c5a13a3c75 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
@@ -365,13 +365,13 @@ u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
 
 void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 {
-	u32 temp;
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_display *display = to_intel_display(encoder);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
+	u32 temp;
 
-	temp = intel_de_read(dev_priv, MIPI_CTRL(port));
+	temp = intel_de_read(display, MIPI_CTRL(display, port));
 	temp &= ~ESCAPE_CLOCK_DIVIDER_MASK;
-	intel_de_write(dev_priv, MIPI_CTRL(port),
+	intel_de_write(display, MIPI_CTRL(display, port),
 		       temp | intel_dsi->escape_clk_div << ESCAPE_CLOCK_DIVIDER_SHIFT);
 }
 
@@ -570,24 +570,24 @@ void bxt_dsi_pll_enable(struct intel_encoder *encoder,
 
 void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 {
+	struct intel_display *display = to_intel_display(encoder);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 tmp;
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
 
 	/* Clear old configurations */
 	if (IS_BROXTON(dev_priv)) {
-		tmp = intel_de_read(dev_priv, BXT_MIPI_CLOCK_CTL);
+		tmp = intel_de_read(display, BXT_MIPI_CLOCK_CTL);
 		tmp &= ~(BXT_MIPI_TX_ESCLK_FIXDIV_MASK(port));
 		tmp &= ~(BXT_MIPI_RX_ESCLK_UPPER_FIXDIV_MASK(port));
 		tmp &= ~(BXT_MIPI_8X_BY3_DIVIDER_MASK(port));
 		tmp &= ~(BXT_MIPI_RX_ESCLK_LOWER_FIXDIV_MASK(port));
-		intel_de_write(dev_priv, BXT_MIPI_CLOCK_CTL, tmp);
+		intel_de_write(display, BXT_MIPI_CLOCK_CTL, tmp);
 	} else {
-		intel_de_rmw(dev_priv, MIPIO_TXESC_CLK_DIV1, GLK_TX_ESC_CLK_DIV1_MASK, 0);
+		intel_de_rmw(display, MIPIO_TXESC_CLK_DIV1, GLK_TX_ESC_CLK_DIV1_MASK, 0);
 
-		intel_de_rmw(dev_priv, MIPIO_TXESC_CLK_DIV2, GLK_TX_ESC_CLK_DIV2_MASK, 0);
+		intel_de_rmw(display, MIPIO_TXESC_CLK_DIV2, GLK_TX_ESC_CLK_DIV2_MASK, 0);
 	}
-	intel_de_write(dev_priv, MIPI_EOT_DISABLE(port), CLOCKSTOP);
+	intel_de_write(display, MIPI_EOT_DISABLE(display, port), CLOCKSTOP);
 }
 
 static void assert_dsi_pll(struct drm_i915_private *i915, bool state)
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_regs.h b/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
index abbe427e462e..c1126d170ec6 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
+++ b/drivers/gpu/drm/i915/display/vlv_dsi_regs.h
@@ -11,26 +11,23 @@
 #define VLV_MIPI_BASE			VLV_DISPLAY_BASE
 #define BXT_MIPI_BASE			0x60000
 
-#define _MIPI_MMIO_BASE(__i915) ((__i915)->display.dsi.mmio_base)
+#define _MIPI_MMIO_BASE(display)	((display)->dsi.mmio_base)
 
 #define _MIPI_PORT(port, a, c)	(((port) == PORT_A) ? a : c)	/* ports A and C only */
-#define _MMIO_MIPI(port, a, c)	_MMIO(_MIPI_PORT(port, a, c))
+#define _MMIO_MIPI(base, port, a, c)	_MMIO((base) + _MIPI_PORT(port, a, c))
 
 /* BXT MIPI mode configure */
-#define  _BXT_MIPIA_TRANS_HACTIVE			0x6B0F8
-#define  _BXT_MIPIC_TRANS_HACTIVE			0x6B8F8
-#define  BXT_MIPI_TRANS_HACTIVE(tc)	_MMIO_MIPI(tc, \
-		_BXT_MIPIA_TRANS_HACTIVE, _BXT_MIPIC_TRANS_HACTIVE)
+#define  _BXT_MIPIA_TRANS_HACTIVE		0xb0f8
+#define  _BXT_MIPIC_TRANS_HACTIVE		0xb8f8
+#define  BXT_MIPI_TRANS_HACTIVE(tc)		_MMIO_MIPI(BXT_MIPI_BASE, tc, _BXT_MIPIA_TRANS_HACTIVE, _BXT_MIPIC_TRANS_HACTIVE)
 
-#define  _BXT_MIPIA_TRANS_VACTIVE			0x6B0FC
-#define  _BXT_MIPIC_TRANS_VACTIVE			0x6B8FC
-#define  BXT_MIPI_TRANS_VACTIVE(tc)	_MMIO_MIPI(tc, \
-		_BXT_MIPIA_TRANS_VACTIVE, _BXT_MIPIC_TRANS_VACTIVE)
+#define  _BXT_MIPIA_TRANS_VACTIVE		0xb0fc
+#define  _BXT_MIPIC_TRANS_VACTIVE		0xb8fc
+#define  BXT_MIPI_TRANS_VACTIVE(tc)		_MMIO_MIPI(BXT_MIPI_BASE, tc, _BXT_MIPIA_TRANS_VACTIVE, _BXT_MIPIC_TRANS_VACTIVE)
 
-#define  _BXT_MIPIA_TRANS_VTOTAL			0x6B100
-#define  _BXT_MIPIC_TRANS_VTOTAL			0x6B900
-#define  BXT_MIPI_TRANS_VTOTAL(tc)	_MMIO_MIPI(tc, \
-		_BXT_MIPIA_TRANS_VTOTAL, _BXT_MIPIC_TRANS_VTOTAL)
+#define  _BXT_MIPIA_TRANS_VTOTAL		0xb100
+#define  _BXT_MIPIC_TRANS_VTOTAL		0xb900
+#define  BXT_MIPI_TRANS_VTOTAL(tc)		_MMIO_MIPI(BXT_MIPI_BASE, tc, _BXT_MIPIA_TRANS_VTOTAL, _BXT_MIPIC_TRANS_VTOTAL)
 
 #define BXT_P_DSI_REGULATOR_CFG			_MMIO(0x160020)
 #define  STAP_SELECT					(1 << 0)
@@ -38,14 +35,14 @@
 #define BXT_P_DSI_REGULATOR_TX_CTRL		_MMIO(0x160054)
 #define  HS_IO_CTRL_SELECT				(1 << 0)
 
-#define _MIPIA_PORT_CTRL			(VLV_DISPLAY_BASE + 0x61190)
-#define _MIPIC_PORT_CTRL			(VLV_DISPLAY_BASE + 0x61700)
-#define MIPI_PORT_CTRL(port)	_MMIO_MIPI(port, _MIPIA_PORT_CTRL, _MIPIC_PORT_CTRL)
+#define _MIPIA_PORT_CTRL			0x61190
+#define _MIPIC_PORT_CTRL			0x61700
+#define VLV_MIPI_PORT_CTRL(port)		_MMIO_MIPI(VLV_MIPI_BASE, port, _MIPIA_PORT_CTRL, _MIPIC_PORT_CTRL)
 
  /* BXT port control */
-#define _BXT_MIPIA_PORT_CTRL				0x6B0C0
-#define _BXT_MIPIC_PORT_CTRL				0x6B8C0
-#define BXT_MIPI_PORT_CTRL(tc)	_MMIO_MIPI(tc, _BXT_MIPIA_PORT_CTRL, _BXT_MIPIC_PORT_CTRL)
+#define _BXT_MIPIA_PORT_CTRL			0xb0c0
+#define _BXT_MIPIC_PORT_CTRL			0xb8c0
+#define BXT_MIPI_PORT_CTRL(tc)			_MMIO_MIPI(BXT_MIPI_BASE, tc, _BXT_MIPIA_PORT_CTRL, _BXT_MIPIC_PORT_CTRL)
 
 #define  DPI_ENABLE					(1 << 31) /* A + C */
 #define  MIPIA_MIPI4DPHY_DELAY_COUNT_SHIFT		27
@@ -87,20 +84,17 @@
 #define  LANE_CONFIGURATION_DUAL_LINK_A			(1 << 0)
 #define  LANE_CONFIGURATION_DUAL_LINK_B			(2 << 0)
 
-#define _MIPIA_TEARING_CTRL			(VLV_DISPLAY_BASE + 0x61194)
-#define _MIPIC_TEARING_CTRL			(VLV_DISPLAY_BASE + 0x61704)
-#define MIPI_TEARING_CTRL(port)			_MMIO_MIPI(port, _MIPIA_TEARING_CTRL, _MIPIC_TEARING_CTRL)
+#define _MIPIA_TEARING_CTRL			0x61194
+#define _MIPIC_TEARING_CTRL			0x61704
+#define VLV_MIPI_TEARING_CTRL(port)			_MMIO_MIPI(VLV_MIPI_BASE, port, _MIPIA_TEARING_CTRL, _MIPIC_TEARING_CTRL)
 #define  TEARING_EFFECT_DELAY_SHIFT			0
 #define  TEARING_EFFECT_DELAY_MASK			(0xffff << 0)
 
-/* XXX: all bits reserved */
-#define _MIPIA_AUTOPWG			(VLV_DISPLAY_BASE + 0x611a0)
-
 /* MIPI DSI Controller and D-PHY registers */
 
-#define _MIPIA_DEVICE_READY		(_MIPI_MMIO_BASE(dev_priv) + 0xb000)
-#define _MIPIC_DEVICE_READY		(_MIPI_MMIO_BASE(dev_priv) + 0xb800)
-#define MIPI_DEVICE_READY(port)		_MMIO_MIPI(port, _MIPIA_DEVICE_READY, _MIPIC_DEVICE_READY)
+#define _MIPIA_DEVICE_READY			0xb000
+#define _MIPIC_DEVICE_READY			0xb800
+#define MIPI_DEVICE_READY(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DEVICE_READY, _MIPIC_DEVICE_READY)
 #define  BUS_POSSESSION					(1 << 3) /* set to give bus to receiver */
 #define  ULPS_STATE_MASK				(3 << 1)
 #define  ULPS_STATE_ENTER				(2 << 1)
@@ -108,12 +102,12 @@
 #define  ULPS_STATE_NORMAL_OPERATION			(0 << 1)
 #define  DEVICE_READY					(1 << 0)
 
-#define _MIPIA_INTR_STAT		(_MIPI_MMIO_BASE(dev_priv) + 0xb004)
-#define _MIPIC_INTR_STAT		(_MIPI_MMIO_BASE(dev_priv) + 0xb804)
-#define MIPI_INTR_STAT(port)		_MMIO_MIPI(port, _MIPIA_INTR_STAT, _MIPIC_INTR_STAT)
-#define _MIPIA_INTR_EN			(_MIPI_MMIO_BASE(dev_priv) + 0xb008)
-#define _MIPIC_INTR_EN			(_MIPI_MMIO_BASE(dev_priv) + 0xb808)
-#define MIPI_INTR_EN(port)		_MMIO_MIPI(port, _MIPIA_INTR_EN, _MIPIC_INTR_EN)
+#define _MIPIA_INTR_STAT			0xb004
+#define _MIPIC_INTR_STAT			0xb804
+#define MIPI_INTR_STAT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_INTR_STAT, _MIPIC_INTR_STAT)
+#define _MIPIA_INTR_EN				0xb008
+#define _MIPIC_INTR_EN				0xb808
+#define MIPI_INTR_EN(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_INTR_EN, _MIPIC_INTR_EN)
 #define  TEARING_EFFECT					(1 << 31)
 #define  SPL_PKT_SENT_INTERRUPT				(1 << 30)
 #define  GEN_READ_DATA_AVAIL				(1 << 29)
@@ -147,9 +141,9 @@
 #define  RXSOT_SYNC_ERROR				(1 << 1)
 #define  RXSOT_ERROR					(1 << 0)
 
-#define _MIPIA_DSI_FUNC_PRG		(_MIPI_MMIO_BASE(dev_priv) + 0xb00c)
-#define _MIPIC_DSI_FUNC_PRG		(_MIPI_MMIO_BASE(dev_priv) + 0xb80c)
-#define MIPI_DSI_FUNC_PRG(port)		_MMIO_MIPI(port, _MIPIA_DSI_FUNC_PRG, _MIPIC_DSI_FUNC_PRG)
+#define _MIPIA_DSI_FUNC_PRG			0xb00c
+#define _MIPIC_DSI_FUNC_PRG			0xb80c
+#define MIPI_DSI_FUNC_PRG(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DSI_FUNC_PRG, _MIPIC_DSI_FUNC_PRG)
 #define  CMD_MODE_DATA_WIDTH_MASK			(7 << 13)
 #define  CMD_MODE_NOT_SUPPORTED				(0 << 13)
 #define  CMD_MODE_DATA_WIDTH_16_BIT			(1 << 13)
@@ -170,77 +164,77 @@
 #define  DATA_LANES_PRG_REG_SHIFT			0
 #define  DATA_LANES_PRG_REG_MASK			(7 << 0)
 
-#define _MIPIA_HS_TX_TIMEOUT		(_MIPI_MMIO_BASE(dev_priv) + 0xb010)
-#define _MIPIC_HS_TX_TIMEOUT		(_MIPI_MMIO_BASE(dev_priv) + 0xb810)
-#define MIPI_HS_TX_TIMEOUT(port)	_MMIO_MIPI(port, _MIPIA_HS_TX_TIMEOUT, _MIPIC_HS_TX_TIMEOUT)
+#define _MIPIA_HS_TX_TIMEOUT			0xb010
+#define _MIPIC_HS_TX_TIMEOUT			0xb810
+#define MIPI_HS_TX_TIMEOUT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HS_TX_TIMEOUT, _MIPIC_HS_TX_TIMEOUT)
 #define  HIGH_SPEED_TX_TIMEOUT_COUNTER_MASK		0xffffff
 
-#define _MIPIA_LP_RX_TIMEOUT		(_MIPI_MMIO_BASE(dev_priv) + 0xb014)
-#define _MIPIC_LP_RX_TIMEOUT		(_MIPI_MMIO_BASE(dev_priv) + 0xb814)
-#define MIPI_LP_RX_TIMEOUT(port)	_MMIO_MIPI(port, _MIPIA_LP_RX_TIMEOUT, _MIPIC_LP_RX_TIMEOUT)
+#define _MIPIA_LP_RX_TIMEOUT			0xb014
+#define _MIPIC_LP_RX_TIMEOUT			0xb814
+#define MIPI_LP_RX_TIMEOUT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_LP_RX_TIMEOUT, _MIPIC_LP_RX_TIMEOUT)
 #define  LOW_POWER_RX_TIMEOUT_COUNTER_MASK		0xffffff
 
-#define _MIPIA_TURN_AROUND_TIMEOUT	(_MIPI_MMIO_BASE(dev_priv) + 0xb018)
-#define _MIPIC_TURN_AROUND_TIMEOUT	(_MIPI_MMIO_BASE(dev_priv) + 0xb818)
-#define MIPI_TURN_AROUND_TIMEOUT(port)	_MMIO_MIPI(port, _MIPIA_TURN_AROUND_TIMEOUT, _MIPIC_TURN_AROUND_TIMEOUT)
+#define _MIPIA_TURN_AROUND_TIMEOUT		0xb018
+#define _MIPIC_TURN_AROUND_TIMEOUT		0xb818
+#define MIPI_TURN_AROUND_TIMEOUT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_TURN_AROUND_TIMEOUT, _MIPIC_TURN_AROUND_TIMEOUT)
 #define  TURN_AROUND_TIMEOUT_MASK			0x3f
 
-#define _MIPIA_DEVICE_RESET_TIMER	(_MIPI_MMIO_BASE(dev_priv) + 0xb01c)
-#define _MIPIC_DEVICE_RESET_TIMER	(_MIPI_MMIO_BASE(dev_priv) + 0xb81c)
-#define MIPI_DEVICE_RESET_TIMER(port)	_MMIO_MIPI(port, _MIPIA_DEVICE_RESET_TIMER, _MIPIC_DEVICE_RESET_TIMER)
+#define _MIPIA_DEVICE_RESET_TIMER		0xb01c
+#define _MIPIC_DEVICE_RESET_TIMER		0xb81c
+#define MIPI_DEVICE_RESET_TIMER(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DEVICE_RESET_TIMER, _MIPIC_DEVICE_RESET_TIMER)
 #define  DEVICE_RESET_TIMER_MASK			0xffff
 
-#define _MIPIA_DPI_RESOLUTION		(_MIPI_MMIO_BASE(dev_priv) + 0xb020)
-#define _MIPIC_DPI_RESOLUTION		(_MIPI_MMIO_BASE(dev_priv) + 0xb820)
-#define MIPI_DPI_RESOLUTION(port)	_MMIO_MIPI(port, _MIPIA_DPI_RESOLUTION, _MIPIC_DPI_RESOLUTION)
+#define _MIPIA_DPI_RESOLUTION			0xb020
+#define _MIPIC_DPI_RESOLUTION			0xb820
+#define MIPI_DPI_RESOLUTION(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DPI_RESOLUTION, _MIPIC_DPI_RESOLUTION)
 #define  VERTICAL_ADDRESS_SHIFT				16
 #define  VERTICAL_ADDRESS_MASK				(0xffff << 16)
 #define  HORIZONTAL_ADDRESS_SHIFT			0
 #define  HORIZONTAL_ADDRESS_MASK			0xffff
 
-#define _MIPIA_DBI_FIFO_THROTTLE	(_MIPI_MMIO_BASE(dev_priv) + 0xb024)
-#define _MIPIC_DBI_FIFO_THROTTLE	(_MIPI_MMIO_BASE(dev_priv) + 0xb824)
-#define MIPI_DBI_FIFO_THROTTLE(port)	_MMIO_MIPI(port, _MIPIA_DBI_FIFO_THROTTLE, _MIPIC_DBI_FIFO_THROTTLE)
+#define _MIPIA_DBI_FIFO_THROTTLE		0xb024
+#define _MIPIC_DBI_FIFO_THROTTLE		0xb824
+#define MIPI_DBI_FIFO_THROTTLE(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DBI_FIFO_THROTTLE, _MIPIC_DBI_FIFO_THROTTLE)
 #define  DBI_FIFO_EMPTY_HALF				(0 << 0)
 #define  DBI_FIFO_EMPTY_QUARTER				(1 << 0)
 #define  DBI_FIFO_EMPTY_7_LOCATIONS			(2 << 0)
 
 /* regs below are bits 15:0 */
-#define _MIPIA_HSYNC_PADDING_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb028)
-#define _MIPIC_HSYNC_PADDING_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb828)
-#define MIPI_HSYNC_PADDING_COUNT(port)	_MMIO_MIPI(port, _MIPIA_HSYNC_PADDING_COUNT, _MIPIC_HSYNC_PADDING_COUNT)
+#define _MIPIA_HSYNC_PADDING_COUNT		0xb028
+#define _MIPIC_HSYNC_PADDING_COUNT		0xb828
+#define MIPI_HSYNC_PADDING_COUNT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HSYNC_PADDING_COUNT, _MIPIC_HSYNC_PADDING_COUNT)
 
-#define _MIPIA_HBP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb02c)
-#define _MIPIC_HBP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb82c)
-#define MIPI_HBP_COUNT(port)		_MMIO_MIPI(port, _MIPIA_HBP_COUNT, _MIPIC_HBP_COUNT)
+#define _MIPIA_HBP_COUNT			0xb02c
+#define _MIPIC_HBP_COUNT			0xb82c
+#define MIPI_HBP_COUNT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HBP_COUNT, _MIPIC_HBP_COUNT)
 
-#define _MIPIA_HFP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb030)
-#define _MIPIC_HFP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb830)
-#define MIPI_HFP_COUNT(port)		_MMIO_MIPI(port, _MIPIA_HFP_COUNT, _MIPIC_HFP_COUNT)
+#define _MIPIA_HFP_COUNT			0xb030
+#define _MIPIC_HFP_COUNT			0xb830
+#define MIPI_HFP_COUNT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HFP_COUNT, _MIPIC_HFP_COUNT)
 
-#define _MIPIA_HACTIVE_AREA_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb034)
-#define _MIPIC_HACTIVE_AREA_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb834)
-#define MIPI_HACTIVE_AREA_COUNT(port)	_MMIO_MIPI(port, _MIPIA_HACTIVE_AREA_COUNT, _MIPIC_HACTIVE_AREA_COUNT)
+#define _MIPIA_HACTIVE_AREA_COUNT		0xb034
+#define _MIPIC_HACTIVE_AREA_COUNT		0xb834
+#define MIPI_HACTIVE_AREA_COUNT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HACTIVE_AREA_COUNT, _MIPIC_HACTIVE_AREA_COUNT)
 
-#define _MIPIA_VSYNC_PADDING_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb038)
-#define _MIPIC_VSYNC_PADDING_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb838)
-#define MIPI_VSYNC_PADDING_COUNT(port)	_MMIO_MIPI(port, _MIPIA_VSYNC_PADDING_COUNT, _MIPIC_VSYNC_PADDING_COUNT)
+#define _MIPIA_VSYNC_PADDING_COUNT		0xb038
+#define _MIPIC_VSYNC_PADDING_COUNT		0xb838
+#define MIPI_VSYNC_PADDING_COUNT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_VSYNC_PADDING_COUNT, _MIPIC_VSYNC_PADDING_COUNT)
 
-#define _MIPIA_VBP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb03c)
-#define _MIPIC_VBP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb83c)
-#define MIPI_VBP_COUNT(port)		_MMIO_MIPI(port, _MIPIA_VBP_COUNT, _MIPIC_VBP_COUNT)
+#define _MIPIA_VBP_COUNT			0xb03c
+#define _MIPIC_VBP_COUNT			0xb83c
+#define MIPI_VBP_COUNT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_VBP_COUNT, _MIPIC_VBP_COUNT)
 
-#define _MIPIA_VFP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb040)
-#define _MIPIC_VFP_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb840)
-#define MIPI_VFP_COUNT(port)		_MMIO_MIPI(port, _MIPIA_VFP_COUNT, _MIPIC_VFP_COUNT)
+#define _MIPIA_VFP_COUNT			0xb040
+#define _MIPIC_VFP_COUNT			0xb840
+#define MIPI_VFP_COUNT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_VFP_COUNT, _MIPIC_VFP_COUNT)
 
-#define _MIPIA_HIGH_LOW_SWITCH_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb044)
-#define _MIPIC_HIGH_LOW_SWITCH_COUNT	(_MIPI_MMIO_BASE(dev_priv) + 0xb844)
-#define MIPI_HIGH_LOW_SWITCH_COUNT(port)	_MMIO_MIPI(port,	_MIPIA_HIGH_LOW_SWITCH_COUNT, _MIPIC_HIGH_LOW_SWITCH_COUNT)
+#define _MIPIA_HIGH_LOW_SWITCH_COUNT		0xb044
+#define _MIPIC_HIGH_LOW_SWITCH_COUNT		0xb844
+#define MIPI_HIGH_LOW_SWITCH_COUNT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port,	_MIPIA_HIGH_LOW_SWITCH_COUNT, _MIPIC_HIGH_LOW_SWITCH_COUNT)
 
-#define _MIPIA_DPI_CONTROL		(_MIPI_MMIO_BASE(dev_priv) + 0xb048)
-#define _MIPIC_DPI_CONTROL		(_MIPI_MMIO_BASE(dev_priv) + 0xb848)
-#define MIPI_DPI_CONTROL(port)		_MMIO_MIPI(port, _MIPIA_DPI_CONTROL, _MIPIC_DPI_CONTROL)
+#define _MIPIA_DPI_CONTROL			0xb048
+#define _MIPIC_DPI_CONTROL			0xb848
+#define MIPI_DPI_CONTROL(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DPI_CONTROL, _MIPIC_DPI_CONTROL)
 #define  DPI_LP_MODE					(1 << 6)
 #define  BACKLIGHT_OFF					(1 << 5)
 #define  BACKLIGHT_ON					(1 << 4)
@@ -249,28 +243,27 @@
 #define  TURN_ON					(1 << 1)
 #define  SHUTDOWN					(1 << 0)
 
-#define _MIPIA_DPI_DATA			(_MIPI_MMIO_BASE(dev_priv) + 0xb04c)
-#define _MIPIC_DPI_DATA			(_MIPI_MMIO_BASE(dev_priv) + 0xb84c)
-#define MIPI_DPI_DATA(port)		_MMIO_MIPI(port, _MIPIA_DPI_DATA, _MIPIC_DPI_DATA)
+#define _MIPIA_DPI_DATA				0xb04c
+#define _MIPIC_DPI_DATA				0xb84c
+#define MIPI_DPI_DATA(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DPI_DATA, _MIPIC_DPI_DATA)
 #define  COMMAND_BYTE_SHIFT				0
 #define  COMMAND_BYTE_MASK				(0x3f << 0)
 
-#define _MIPIA_INIT_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb050)
-#define _MIPIC_INIT_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb850)
-#define MIPI_INIT_COUNT(port)		_MMIO_MIPI(port, _MIPIA_INIT_COUNT, _MIPIC_INIT_COUNT)
+#define _MIPIA_INIT_COUNT			0xb050
+#define _MIPIC_INIT_COUNT			0xb850
+#define MIPI_INIT_COUNT(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_INIT_COUNT, _MIPIC_INIT_COUNT)
 #define  MASTER_INIT_TIMER_SHIFT			0
 #define  MASTER_INIT_TIMER_MASK				(0xffff << 0)
 
-#define _MIPIA_MAX_RETURN_PKT_SIZE	(_MIPI_MMIO_BASE(dev_priv) + 0xb054)
-#define _MIPIC_MAX_RETURN_PKT_SIZE	(_MIPI_MMIO_BASE(dev_priv) + 0xb854)
-#define MIPI_MAX_RETURN_PKT_SIZE(port)	_MMIO_MIPI(port, \
-			_MIPIA_MAX_RETURN_PKT_SIZE, _MIPIC_MAX_RETURN_PKT_SIZE)
+#define _MIPIA_MAX_RETURN_PKT_SIZE		0xb054
+#define _MIPIC_MAX_RETURN_PKT_SIZE		0xb854
+#define MIPI_MAX_RETURN_PKT_SIZE(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_MAX_RETURN_PKT_SIZE, _MIPIC_MAX_RETURN_PKT_SIZE)
 #define  MAX_RETURN_PKT_SIZE_SHIFT			0
 #define  MAX_RETURN_PKT_SIZE_MASK			(0x3ff << 0)
 
-#define _MIPIA_VIDEO_MODE_FORMAT	(_MIPI_MMIO_BASE(dev_priv) + 0xb058)
-#define _MIPIC_VIDEO_MODE_FORMAT	(_MIPI_MMIO_BASE(dev_priv) + 0xb858)
-#define MIPI_VIDEO_MODE_FORMAT(port)	_MMIO_MIPI(port, _MIPIA_VIDEO_MODE_FORMAT, _MIPIC_VIDEO_MODE_FORMAT)
+#define _MIPIA_VIDEO_MODE_FORMAT		0xb058
+#define _MIPIC_VIDEO_MODE_FORMAT		0xb858
+#define MIPI_VIDEO_MODE_FORMAT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_VIDEO_MODE_FORMAT, _MIPIC_VIDEO_MODE_FORMAT)
 #define  RANDOM_DPI_DISPLAY_RESOLUTION			(1 << 4)
 #define  DISABLE_VIDEO_BTA				(1 << 3)
 #define  IP_TG_CONFIG					(1 << 2)
@@ -278,9 +271,9 @@
 #define  VIDEO_MODE_NON_BURST_WITH_SYNC_EVENTS		(2 << 0)
 #define  VIDEO_MODE_BURST				(3 << 0)
 
-#define _MIPIA_EOT_DISABLE		(_MIPI_MMIO_BASE(dev_priv) + 0xb05c)
-#define _MIPIC_EOT_DISABLE		(_MIPI_MMIO_BASE(dev_priv) + 0xb85c)
-#define MIPI_EOT_DISABLE(port)		_MMIO_MIPI(port, _MIPIA_EOT_DISABLE, _MIPIC_EOT_DISABLE)
+#define _MIPIA_EOT_DISABLE			0xb05c
+#define _MIPIC_EOT_DISABLE			0xb85c
+#define MIPI_EOT_DISABLE(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_EOT_DISABLE, _MIPIC_EOT_DISABLE)
 #define  BXT_DEFEATURE_DPI_FIFO_CTR			(1 << 9)
 #define  BXT_DPHY_DEFEATURE_EN				(1 << 8)
 #define  LP_RX_TIMEOUT_ERROR_RECOVERY_DISABLE		(1 << 7)
@@ -292,36 +285,36 @@
 #define  CLOCKSTOP					(1 << 1)
 #define  EOT_DISABLE					(1 << 0)
 
-#define _MIPIA_LP_BYTECLK		(_MIPI_MMIO_BASE(dev_priv) + 0xb060)
-#define _MIPIC_LP_BYTECLK		(_MIPI_MMIO_BASE(dev_priv) + 0xb860)
-#define MIPI_LP_BYTECLK(port)		_MMIO_MIPI(port, _MIPIA_LP_BYTECLK, _MIPIC_LP_BYTECLK)
+#define _MIPIA_LP_BYTECLK			0xb060
+#define _MIPIC_LP_BYTECLK			0xb860
+#define MIPI_LP_BYTECLK(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_LP_BYTECLK, _MIPIC_LP_BYTECLK)
 #define  LP_BYTECLK_SHIFT				0
 #define  LP_BYTECLK_MASK				(0xffff << 0)
 
-#define _MIPIA_TLPX_TIME_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb0a4)
-#define _MIPIC_TLPX_TIME_COUNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb8a4)
-#define MIPI_TLPX_TIME_COUNT(port)	 _MMIO_MIPI(port, _MIPIA_TLPX_TIME_COUNT, _MIPIC_TLPX_TIME_COUNT)
+#define _MIPIA_TLPX_TIME_COUNT			0xb0a4
+#define _MIPIC_TLPX_TIME_COUNT			0xb8a4
+#define MIPI_TLPX_TIME_COUNT(display, port)	 _MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_TLPX_TIME_COUNT, _MIPIC_TLPX_TIME_COUNT)
 
-#define _MIPIA_CLK_LANE_TIMING		(_MIPI_MMIO_BASE(dev_priv) + 0xb098)
-#define _MIPIC_CLK_LANE_TIMING		(_MIPI_MMIO_BASE(dev_priv) + 0xb898)
-#define MIPI_CLK_LANE_TIMING(port)	 _MMIO_MIPI(port, _MIPIA_CLK_LANE_TIMING, _MIPIC_CLK_LANE_TIMING)
+#define _MIPIA_CLK_LANE_TIMING			0xb098
+#define _MIPIC_CLK_LANE_TIMING			0xb898
+#define MIPI_CLK_LANE_TIMING(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_CLK_LANE_TIMING, _MIPIC_CLK_LANE_TIMING)
 
 /* bits 31:0 */
-#define _MIPIA_LP_GEN_DATA		(_MIPI_MMIO_BASE(dev_priv) + 0xb064)
-#define _MIPIC_LP_GEN_DATA		(_MIPI_MMIO_BASE(dev_priv) + 0xb864)
-#define MIPI_LP_GEN_DATA(port)		_MMIO_MIPI(port, _MIPIA_LP_GEN_DATA, _MIPIC_LP_GEN_DATA)
+#define _MIPIA_LP_GEN_DATA			0xb064
+#define _MIPIC_LP_GEN_DATA			0xb864
+#define MIPI_LP_GEN_DATA(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_LP_GEN_DATA, _MIPIC_LP_GEN_DATA)
 
 /* bits 31:0 */
-#define _MIPIA_HS_GEN_DATA		(_MIPI_MMIO_BASE(dev_priv) + 0xb068)
-#define _MIPIC_HS_GEN_DATA		(_MIPI_MMIO_BASE(dev_priv) + 0xb868)
-#define MIPI_HS_GEN_DATA(port)		_MMIO_MIPI(port, _MIPIA_HS_GEN_DATA, _MIPIC_HS_GEN_DATA)
-
-#define _MIPIA_LP_GEN_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb06c)
-#define _MIPIC_LP_GEN_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb86c)
-#define MIPI_LP_GEN_CTRL(port)		_MMIO_MIPI(port, _MIPIA_LP_GEN_CTRL, _MIPIC_LP_GEN_CTRL)
-#define _MIPIA_HS_GEN_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb070)
-#define _MIPIC_HS_GEN_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb870)
-#define MIPI_HS_GEN_CTRL(port)		_MMIO_MIPI(port, _MIPIA_HS_GEN_CTRL, _MIPIC_HS_GEN_CTRL)
+#define _MIPIA_HS_GEN_DATA			0xb068
+#define _MIPIC_HS_GEN_DATA			0xb868
+#define MIPI_HS_GEN_DATA(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HS_GEN_DATA, _MIPIC_HS_GEN_DATA)
+
+#define _MIPIA_LP_GEN_CTRL			0xb06c
+#define _MIPIC_LP_GEN_CTRL			0xb86c
+#define MIPI_LP_GEN_CTRL(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_LP_GEN_CTRL, _MIPIC_LP_GEN_CTRL)
+#define _MIPIA_HS_GEN_CTRL			0xb070
+#define _MIPIC_HS_GEN_CTRL			0xb870
+#define MIPI_HS_GEN_CTRL(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HS_GEN_CTRL, _MIPIC_HS_GEN_CTRL)
 #define  LONG_PACKET_WORD_COUNT_SHIFT			8
 #define  LONG_PACKET_WORD_COUNT_MASK			(0xffff << 8)
 #define  SHORT_PACKET_PARAM_SHIFT			8
@@ -332,9 +325,9 @@
 #define  DATA_TYPE_MASK					(0x3f << 0)
 /* data type values, see include/video/mipi_display.h */
 
-#define _MIPIA_GEN_FIFO_STAT		(_MIPI_MMIO_BASE(dev_priv) + 0xb074)
-#define _MIPIC_GEN_FIFO_STAT		(_MIPI_MMIO_BASE(dev_priv) + 0xb874)
-#define MIPI_GEN_FIFO_STAT(port)	_MMIO_MIPI(port, _MIPIA_GEN_FIFO_STAT, _MIPIC_GEN_FIFO_STAT)
+#define _MIPIA_GEN_FIFO_STAT			0xb074
+#define _MIPIC_GEN_FIFO_STAT			0xb874
+#define MIPI_GEN_FIFO_STAT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_GEN_FIFO_STAT, _MIPIC_GEN_FIFO_STAT)
 #define  DPI_FIFO_EMPTY					(1 << 28)
 #define  DBI_FIFO_EMPTY					(1 << 27)
 #define  LP_CTRL_FIFO_EMPTY				(1 << 26)
@@ -350,16 +343,16 @@
 #define  HS_DATA_FIFO_HALF_EMPTY			(1 << 1)
 #define  HS_DATA_FIFO_FULL				(1 << 0)
 
-#define _MIPIA_HS_LS_DBI_ENABLE		(_MIPI_MMIO_BASE(dev_priv) + 0xb078)
-#define _MIPIC_HS_LS_DBI_ENABLE		(_MIPI_MMIO_BASE(dev_priv) + 0xb878)
-#define MIPI_HS_LP_DBI_ENABLE(port)	_MMIO_MIPI(port, _MIPIA_HS_LS_DBI_ENABLE, _MIPIC_HS_LS_DBI_ENABLE)
+#define _MIPIA_HS_LS_DBI_ENABLE			0xb078
+#define _MIPIC_HS_LS_DBI_ENABLE			0xb878
+#define MIPI_HS_LP_DBI_ENABLE(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_HS_LS_DBI_ENABLE, _MIPIC_HS_LS_DBI_ENABLE)
 #define  DBI_HS_LP_MODE_MASK				(1 << 0)
 #define  DBI_LP_MODE					(1 << 0)
 #define  DBI_HS_MODE					(0 << 0)
 
-#define _MIPIA_DPHY_PARAM		(_MIPI_MMIO_BASE(dev_priv) + 0xb080)
-#define _MIPIC_DPHY_PARAM		(_MIPI_MMIO_BASE(dev_priv) + 0xb880)
-#define MIPI_DPHY_PARAM(port)		_MMIO_MIPI(port, _MIPIA_DPHY_PARAM, _MIPIC_DPHY_PARAM)
+#define _MIPIA_DPHY_PARAM			0xb080
+#define _MIPIC_DPHY_PARAM			0xb880
+#define MIPI_DPHY_PARAM(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DPHY_PARAM, _MIPIC_DPHY_PARAM)
 #define  EXIT_ZERO_COUNT_SHIFT				24
 #define  EXIT_ZERO_COUNT_MASK				(0x3f << 24)
 #define  TRAIL_COUNT_SHIFT				16
@@ -369,34 +362,34 @@
 #define  PREPARE_COUNT_SHIFT				0
 #define  PREPARE_COUNT_MASK				(0x3f << 0)
 
-#define _MIPIA_DBI_BW_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb084)
-#define _MIPIC_DBI_BW_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb884)
-#define MIPI_DBI_BW_CTRL(port)		_MMIO_MIPI(port, _MIPIA_DBI_BW_CTRL, _MIPIC_DBI_BW_CTRL)
+#define _MIPIA_DBI_BW_CTRL			0xb084
+#define _MIPIC_DBI_BW_CTRL			0xb884
+#define MIPI_DBI_BW_CTRL(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DBI_BW_CTRL, _MIPIC_DBI_BW_CTRL)
 
-#define _MIPIA_CLK_LANE_SWITCH_TIME_CNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb088)
-#define _MIPIC_CLK_LANE_SWITCH_TIME_CNT		(_MIPI_MMIO_BASE(dev_priv) + 0xb888)
-#define MIPI_CLK_LANE_SWITCH_TIME_CNT(port)	_MMIO_MIPI(port, _MIPIA_CLK_LANE_SWITCH_TIME_CNT, _MIPIC_CLK_LANE_SWITCH_TIME_CNT)
+#define _MIPIA_CLK_LANE_SWITCH_TIME_CNT		0xb088
+#define _MIPIC_CLK_LANE_SWITCH_TIME_CNT		0xb888
+#define MIPI_CLK_LANE_SWITCH_TIME_CNT(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_CLK_LANE_SWITCH_TIME_CNT, _MIPIC_CLK_LANE_SWITCH_TIME_CNT)
 #define  LP_HS_SSW_CNT_SHIFT				16
 #define  LP_HS_SSW_CNT_MASK				(0xffff << 16)
 #define  HS_LP_PWR_SW_CNT_SHIFT				0
 #define  HS_LP_PWR_SW_CNT_MASK				(0xffff << 0)
 
-#define _MIPIA_STOP_STATE_STALL		(_MIPI_MMIO_BASE(dev_priv) + 0xb08c)
-#define _MIPIC_STOP_STATE_STALL		(_MIPI_MMIO_BASE(dev_priv) + 0xb88c)
-#define MIPI_STOP_STATE_STALL(port)	_MMIO_MIPI(port, _MIPIA_STOP_STATE_STALL, _MIPIC_STOP_STATE_STALL)
+#define _MIPIA_STOP_STATE_STALL			0xb08c
+#define _MIPIC_STOP_STATE_STALL			0xb88c
+#define MIPI_STOP_STATE_STALL(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_STOP_STATE_STALL, _MIPIC_STOP_STATE_STALL)
 #define  STOP_STATE_STALL_COUNTER_SHIFT			0
 #define  STOP_STATE_STALL_COUNTER_MASK			(0xff << 0)
 
-#define _MIPIA_INTR_STAT_REG_1		(_MIPI_MMIO_BASE(dev_priv) + 0xb090)
-#define _MIPIC_INTR_STAT_REG_1		(_MIPI_MMIO_BASE(dev_priv) + 0xb890)
-#define MIPI_INTR_STAT_REG_1(port)	_MMIO_MIPI(port, _MIPIA_INTR_STAT_REG_1, _MIPIC_INTR_STAT_REG_1)
-#define _MIPIA_INTR_EN_REG_1		(_MIPI_MMIO_BASE(dev_priv) + 0xb094)
-#define _MIPIC_INTR_EN_REG_1		(_MIPI_MMIO_BASE(dev_priv) + 0xb894)
-#define MIPI_INTR_EN_REG_1(port)	_MMIO_MIPI(port, _MIPIA_INTR_EN_REG_1, _MIPIC_INTR_EN_REG_1)
+#define _MIPIA_INTR_STAT_REG_1			0xb090
+#define _MIPIC_INTR_STAT_REG_1			0xb890
+#define MIPI_INTR_STAT_REG_1(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_INTR_STAT_REG_1, _MIPIC_INTR_STAT_REG_1)
+#define _MIPIA_INTR_EN_REG_1			0xb094
+#define _MIPIC_INTR_EN_REG_1			0xb894
+#define MIPI_INTR_EN_REG_1(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_INTR_EN_REG_1, _MIPIC_INTR_EN_REG_1)
 #define  RX_CONTENTION_DETECTED				(1 << 0)
 
 /* XXX: only pipe A ?!? */
-#define MIPIA_DBI_TYPEC_CTRL		(_MIPI_MMIO_BASE(dev_priv) + 0xb100)
+#define MIPIA_DBI_TYPEC_CTRL(display)		(_MIPI_MMIO_BASE(display) + 0xb100)
 #define  DBI_TYPEC_ENABLE				(1 << 31)
 #define  DBI_TYPEC_WIP					(1 << 30)
 #define  DBI_TYPEC_OPTION_SHIFT				28
@@ -409,9 +402,9 @@
 
 /* MIPI adapter registers */
 
-#define _MIPIA_CTRL			(_MIPI_MMIO_BASE(dev_priv) + 0xb104)
-#define _MIPIC_CTRL			(_MIPI_MMIO_BASE(dev_priv) + 0xb904)
-#define MIPI_CTRL(port)			_MMIO_MIPI(port, _MIPIA_CTRL, _MIPIC_CTRL)
+#define _MIPIA_CTRL				0xb104
+#define _MIPIC_CTRL				0xb904
+#define MIPI_CTRL(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_CTRL, _MIPIC_CTRL)
 #define  ESCAPE_CLOCK_DIVIDER_SHIFT			5 /* A only */
 #define  ESCAPE_CLOCK_DIVIDER_MASK			(3 << 5)
 #define  ESCAPE_CLOCK_DIVIDER_1				(0 << 5)
@@ -442,41 +435,41 @@
 #define  GLK_MIPIIO_PORT_POWERED			(1 << 1) /* RO */
 #define  GLK_MIPIIO_ENABLE				(1 << 0)
 
-#define _MIPIA_DATA_ADDRESS		(_MIPI_MMIO_BASE(dev_priv) + 0xb108)
-#define _MIPIC_DATA_ADDRESS		(_MIPI_MMIO_BASE(dev_priv) + 0xb908)
-#define MIPI_DATA_ADDRESS(port)		_MMIO_MIPI(port, _MIPIA_DATA_ADDRESS, _MIPIC_DATA_ADDRESS)
+#define _MIPIA_DATA_ADDRESS			0xb108
+#define _MIPIC_DATA_ADDRESS			0xb908
+#define MIPI_DATA_ADDRESS(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DATA_ADDRESS, _MIPIC_DATA_ADDRESS)
 #define  DATA_MEM_ADDRESS_SHIFT				5
 #define  DATA_MEM_ADDRESS_MASK				(0x7ffffff << 5)
 #define  DATA_VALID					(1 << 0)
 
-#define _MIPIA_DATA_LENGTH		(_MIPI_MMIO_BASE(dev_priv) + 0xb10c)
-#define _MIPIC_DATA_LENGTH		(_MIPI_MMIO_BASE(dev_priv) + 0xb90c)
-#define MIPI_DATA_LENGTH(port)		_MMIO_MIPI(port, _MIPIA_DATA_LENGTH, _MIPIC_DATA_LENGTH)
+#define _MIPIA_DATA_LENGTH			0xb10c
+#define _MIPIC_DATA_LENGTH			0xb90c
+#define MIPI_DATA_LENGTH(display, port)		_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_DATA_LENGTH, _MIPIC_DATA_LENGTH)
 #define  DATA_LENGTH_SHIFT				0
 #define  DATA_LENGTH_MASK				(0xfffff << 0)
 
-#define _MIPIA_COMMAND_ADDRESS		(_MIPI_MMIO_BASE(dev_priv) + 0xb110)
-#define _MIPIC_COMMAND_ADDRESS		(_MIPI_MMIO_BASE(dev_priv) + 0xb910)
-#define MIPI_COMMAND_ADDRESS(port)	_MMIO_MIPI(port, _MIPIA_COMMAND_ADDRESS, _MIPIC_COMMAND_ADDRESS)
+#define _MIPIA_COMMAND_ADDRESS			0xb110
+#define _MIPIC_COMMAND_ADDRESS			0xb910
+#define MIPI_COMMAND_ADDRESS(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_COMMAND_ADDRESS, _MIPIC_COMMAND_ADDRESS)
 #define  COMMAND_MEM_ADDRESS_SHIFT			5
 #define  COMMAND_MEM_ADDRESS_MASK			(0x7ffffff << 5)
 #define  AUTO_PWG_ENABLE				(1 << 2)
 #define  MEMORY_WRITE_DATA_FROM_PIPE_RENDERING		(1 << 1)
 #define  COMMAND_VALID					(1 << 0)
 
-#define _MIPIA_COMMAND_LENGTH		(_MIPI_MMIO_BASE(dev_priv) + 0xb114)
-#define _MIPIC_COMMAND_LENGTH		(_MIPI_MMIO_BASE(dev_priv) + 0xb914)
-#define MIPI_COMMAND_LENGTH(port)	_MMIO_MIPI(port, _MIPIA_COMMAND_LENGTH, _MIPIC_COMMAND_LENGTH)
+#define _MIPIA_COMMAND_LENGTH			0xb114
+#define _MIPIC_COMMAND_LENGTH			0xb914
+#define MIPI_COMMAND_LENGTH(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_COMMAND_LENGTH, _MIPIC_COMMAND_LENGTH)
 #define  COMMAND_LENGTH_SHIFT(n)			(8 * (n)) /* n: 0...3 */
 #define  COMMAND_LENGTH_MASK(n)				(0xff << (8 * (n)))
 
-#define _MIPIA_READ_DATA_RETURN0	(_MIPI_MMIO_BASE(dev_priv) + 0xb118)
-#define _MIPIC_READ_DATA_RETURN0	(_MIPI_MMIO_BASE(dev_priv) + 0xb918)
-#define MIPI_READ_DATA_RETURN(port, n) _MMIO(_MIPI(port, _MIPIA_READ_DATA_RETURN0, _MIPIC_READ_DATA_RETURN0) + 4 * (n)) /* n: 0...7 */
+#define _MIPIA_READ_DATA_RETURN0		0xb118
+#define _MIPIC_READ_DATA_RETURN0		0xb918
+#define MIPI_READ_DATA_RETURN(display, port, n)	_MMIO_MIPI(_MIPI_MMIO_BASE(display) + 4 * (n), port, _MIPIA_READ_DATA_RETURN0, _MIPIC_READ_DATA_RETURN0) /* n: 0...7 */
 
-#define _MIPIA_READ_DATA_VALID		(_MIPI_MMIO_BASE(dev_priv) + 0xb138)
-#define _MIPIC_READ_DATA_VALID		(_MIPI_MMIO_BASE(dev_priv) + 0xb938)
-#define MIPI_READ_DATA_VALID(port)	_MMIO_MIPI(port, _MIPIA_READ_DATA_VALID, _MIPIC_READ_DATA_VALID)
+#define _MIPIA_READ_DATA_VALID			0xb138
+#define _MIPIC_READ_DATA_VALID			0xb938
+#define MIPI_READ_DATA_VALID(display, port)	_MMIO_MIPI(_MIPI_MMIO_BASE(display), port, _MIPIA_READ_DATA_VALID, _MIPIC_READ_DATA_VALID)
 #define  READ_DATA_VALID(n)				(1 << (n))
 
 #endif /* __VLV_DSI_REGS_H__ */
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index e0c5dfb788eb..a0381fd230c0 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -36,6 +36,7 @@
 #include "i915_reg.h"
 #include "gvt.h"
 
+#include "display/bxt_dpio_phy_regs.h"
 #include "display/intel_display.h"
 #include "display/intel_dpio_phy.h"
 
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index efcb00472be2..f85bf59cdeaf 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -41,6 +41,7 @@
 #include "gvt.h"
 #include "i915_pvinfo.h"
 #include "intel_mchbar_regs.h"
+#include "display/bxt_dpio_phy_regs.h"
 #include "display/intel_display_types.h"
 #include "display/intel_dmc_regs.h"
 #include "display/intel_dp_aux_regs.h"
@@ -2763,15 +2764,15 @@ static int init_bxt_mmio_info(struct intel_gvt *gvt)
 
 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT,
 		NULL, bxt_pcs_dw12_grp_write);
-	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT,
+	MMIO_DH(BXT_PORT_TX_DW3_LN(DPIO_PHY0, DPIO_CH0, 0), D_BXT,
 		bxt_port_tx_dw3_read, NULL);
 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT,
 		NULL, bxt_pcs_dw12_grp_write);
-	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT,
+	MMIO_DH(BXT_PORT_TX_DW3_LN(DPIO_PHY0, DPIO_CH1, 0), D_BXT,
 		bxt_port_tx_dw3_read, NULL);
 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT,
 		NULL, bxt_pcs_dw12_grp_write);
-	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT,
+	MMIO_DH(BXT_PORT_TX_DW3_LN(DPIO_PHY1, DPIO_CH0, 0), D_BXT,
 		bxt_port_tx_dw3_read, NULL);
 	MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write);
 	MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL);
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index 5b5def6ddef7..922711e0e30b 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -37,6 +37,7 @@
 #include "i915_reg.h"
 #include "gvt.h"
 
+#include "display/bxt_dpio_phy_regs.h"
 #include "display/intel_dpio_phy.h"
 #include "gt/intel_gt_regs.h"
 
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index de43048543e8..8c00169e3ab7 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -108,9 +108,6 @@ i915_param_named_unsafe(guc_firmware_path, charp, 0400,
 i915_param_named_unsafe(huc_firmware_path, charp, 0400,
 	"HuC firmware path to use instead of the default one");
 
-i915_param_named_unsafe(dmc_firmware_path, charp, 0400,
-	"DMC firmware path to use instead of the default one");
-
 i915_param_named_unsafe(gsc_firmware_path, charp, 0400,
 	"GSC firmware path to use instead of the default one");
 
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index 1315d7fac850..2eb3f2115ff2 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -51,7 +51,6 @@ struct drm_printer;
 	param(int, guc_log_level, -1, 0400) \
 	param(char *, guc_firmware_path, NULL, 0400) \
 	param(char *, huc_firmware_path, NULL, 0400) \
-	param(char *, dmc_firmware_path, NULL, 0400) \
 	param(char *, gsc_firmware_path, NULL, 0400) \
 	param(bool, memtest, false, 0400) \
 	param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3f34efcd7d6c..8eb6c2bf4557 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -538,24 +538,6 @@
 #define CHV_TX_DW14(ch, lane) _TXLANE(ch, lane, 0xb8)
 #define   DPIO_UPAR_SHIFT		30
 
-/* BXT PHY registers */
-#define _BXT_PHY0_BASE			0x6C000
-#define _BXT_PHY1_BASE			0x162000
-#define _BXT_PHY2_BASE			0x163000
-#define BXT_PHY_BASE(phy)							\
-	 _PICK_EVEN_2RANGES(phy, 1,						\
-			    _BXT_PHY0_BASE, _BXT_PHY0_BASE,			\
-			    _BXT_PHY1_BASE, _BXT_PHY2_BASE)
-
-#define _BXT_PHY(phy, reg)						\
-	_MMIO(BXT_PHY_BASE(phy) - _BXT_PHY0_BASE + (reg))
-
-#define _BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1)		\
-	(BXT_PHY_BASE(phy) + _PIPE((ch), (reg_ch0) - _BXT_PHY0_BASE,	\
-					 (reg_ch1) - _BXT_PHY0_BASE))
-#define _MMIO_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1)		\
-	_MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1))
-
 #define BXT_P_CR_GT_DISP_PWRON		_MMIO(0x138090)
 #define  MIPIO_RST_CTRL				(1 << 2)
 
@@ -577,250 +559,6 @@
 				  _PHY_CTL_FAMILY_DDI, _PHY_CTL_FAMILY_DDI,	\
 				  _PHY_CTL_FAMILY_EDP, _PHY_CTL_FAMILY_DDI_C))
 
-/* BXT PHY PLL registers */
-#define _PORT_PLL_A			0x46074
-#define _PORT_PLL_B			0x46078
-#define _PORT_PLL_C			0x4607c
-#define   PORT_PLL_ENABLE		REG_BIT(31)
-#define   PORT_PLL_LOCK			REG_BIT(30)
-#define   PORT_PLL_REF_SEL		REG_BIT(27)
-#define   PORT_PLL_POWER_ENABLE		REG_BIT(26)
-#define   PORT_PLL_POWER_STATE		REG_BIT(25)
-#define BXT_PORT_PLL_ENABLE(port)	_MMIO_PORT(port, _PORT_PLL_A, _PORT_PLL_B)
-
-#define _PORT_PLL_EBB_0_A		0x162034
-#define _PORT_PLL_EBB_0_B		0x6C034
-#define _PORT_PLL_EBB_0_C		0x6C340
-#define   PORT_PLL_P1_MASK		REG_GENMASK(15, 13)
-#define   PORT_PLL_P1(p1)		REG_FIELD_PREP(PORT_PLL_P1_MASK, (p1))
-#define   PORT_PLL_P2_MASK		REG_GENMASK(12, 8)
-#define   PORT_PLL_P2(p2)		REG_FIELD_PREP(PORT_PLL_P2_MASK, (p2))
-#define BXT_PORT_PLL_EBB_0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PLL_EBB_0_B, \
-							 _PORT_PLL_EBB_0_C)
-
-#define _PORT_PLL_EBB_4_A		0x162038
-#define _PORT_PLL_EBB_4_B		0x6C038
-#define _PORT_PLL_EBB_4_C		0x6C344
-#define   PORT_PLL_RECALIBRATE		REG_BIT(14)
-#define   PORT_PLL_10BIT_CLK_ENABLE	REG_BIT(13)
-#define BXT_PORT_PLL_EBB_4(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PLL_EBB_4_B, \
-							 _PORT_PLL_EBB_4_C)
-
-#define _PORT_PLL_0_A			0x162100
-#define _PORT_PLL_0_B			0x6C100
-#define _PORT_PLL_0_C			0x6C380
-/* PORT_PLL_0_A */
-#define   PORT_PLL_M2_INT_MASK		REG_GENMASK(7, 0)
-#define   PORT_PLL_M2_INT(m2_int)	REG_FIELD_PREP(PORT_PLL_M2_INT_MASK, (m2_int))
-/* PORT_PLL_1_A */
-#define   PORT_PLL_N_MASK		REG_GENMASK(11, 8)
-#define   PORT_PLL_N(n)			REG_FIELD_PREP(PORT_PLL_N_MASK, (n))
-/* PORT_PLL_2_A */
-#define   PORT_PLL_M2_FRAC_MASK		REG_GENMASK(21, 0)
-#define   PORT_PLL_M2_FRAC(m2_frac)	REG_FIELD_PREP(PORT_PLL_M2_FRAC_MASK, (m2_frac))
-/* PORT_PLL_3_A */
-#define   PORT_PLL_M2_FRAC_ENABLE	REG_BIT(16)
-/* PORT_PLL_6_A */
-#define   PORT_PLL_GAIN_CTL_MASK	REG_GENMASK(18, 16)
-#define   PORT_PLL_GAIN_CTL(x)		REG_FIELD_PREP(PORT_PLL_GAIN_CTL_MASK, (x))
-#define   PORT_PLL_INT_COEFF_MASK	REG_GENMASK(12, 8)
-#define   PORT_PLL_INT_COEFF(x)		REG_FIELD_PREP(PORT_PLL_INT_COEFF_MASK, (x))
-#define   PORT_PLL_PROP_COEFF_MASK	REG_GENMASK(3, 0)
-#define   PORT_PLL_PROP_COEFF(x)	REG_FIELD_PREP(PORT_PLL_PROP_COEFF_MASK, (x))
-/* PORT_PLL_8_A */
-#define   PORT_PLL_TARGET_CNT_MASK	REG_GENMASK(9, 0)
-#define   PORT_PLL_TARGET_CNT(x)	REG_FIELD_PREP(PORT_PLL_TARGET_CNT_MASK, (x))
-/* PORT_PLL_9_A */
-#define  PORT_PLL_LOCK_THRESHOLD_MASK	REG_GENMASK(3, 1)
-#define  PORT_PLL_LOCK_THRESHOLD(x)	REG_FIELD_PREP(PORT_PLL_LOCK_THRESHOLD_MASK, (x))
-/* PORT_PLL_10_A */
-#define  PORT_PLL_DCO_AMP_OVR_EN_H	REG_BIT(27)
-#define  PORT_PLL_DCO_AMP_MASK		REG_GENMASK(13, 10)
-#define  PORT_PLL_DCO_AMP(x)		REG_FIELD_PREP(PORT_PLL_DCO_AMP_MASK, (x))
-#define _PORT_PLL_BASE(phy, ch)		_BXT_PHY_CH(phy, ch, \
-						    _PORT_PLL_0_B, \
-						    _PORT_PLL_0_C)
-#define BXT_PORT_PLL(phy, ch, idx)	_MMIO(_PORT_PLL_BASE(phy, ch) + \
-					      (idx) * 4)
-
-/* BXT PHY common lane registers */
-#define _PORT_CL1CM_DW0_A		0x162000
-#define _PORT_CL1CM_DW0_BC		0x6C000
-#define   PHY_POWER_GOOD		(1 << 16)
-#define   PHY_RESERVED			(1 << 7)
-#define BXT_PORT_CL1CM_DW0(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW0_BC)
-
-#define _PORT_CL1CM_DW9_A		0x162024
-#define _PORT_CL1CM_DW9_BC		0x6C024
-#define   IREF0RC_OFFSET_SHIFT		8
-#define   IREF0RC_OFFSET_MASK		(0xFF << IREF0RC_OFFSET_SHIFT)
-#define BXT_PORT_CL1CM_DW9(phy)		_BXT_PHY((phy), _PORT_CL1CM_DW9_BC)
-
-#define _PORT_CL1CM_DW10_A		0x162028
-#define _PORT_CL1CM_DW10_BC		0x6C028
-#define   IREF1RC_OFFSET_SHIFT		8
-#define   IREF1RC_OFFSET_MASK		(0xFF << IREF1RC_OFFSET_SHIFT)
-#define BXT_PORT_CL1CM_DW10(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW10_BC)
-
-#define _PORT_CL1CM_DW28_A		0x162070
-#define _PORT_CL1CM_DW28_BC		0x6C070
-#define   OCL1_POWER_DOWN_EN		(1 << 23)
-#define   DW28_OLDO_DYN_PWR_DOWN_EN	(1 << 22)
-#define   SUS_CLK_CONFIG		0x3
-#define BXT_PORT_CL1CM_DW28(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW28_BC)
-
-#define _PORT_CL1CM_DW30_A		0x162078
-#define _PORT_CL1CM_DW30_BC		0x6C078
-#define   OCL2_LDOFUSE_PWR_DIS		(1 << 6)
-#define BXT_PORT_CL1CM_DW30(phy)	_BXT_PHY((phy), _PORT_CL1CM_DW30_BC)
-
-/* The spec defines this only for BXT PHY0, but lets assume that this
- * would exist for PHY1 too if it had a second channel.
- */
-#define _PORT_CL2CM_DW6_A		0x162358
-#define _PORT_CL2CM_DW6_BC		0x6C358
-#define BXT_PORT_CL2CM_DW6(phy)		_BXT_PHY((phy), _PORT_CL2CM_DW6_BC)
-#define   DW6_OLDO_DYN_PWR_DOWN_EN	(1 << 28)
-
-/* BXT PHY Ref registers */
-#define _PORT_REF_DW3_A			0x16218C
-#define _PORT_REF_DW3_BC		0x6C18C
-#define   GRC_DONE			(1 << 22)
-#define BXT_PORT_REF_DW3(phy)		_BXT_PHY((phy), _PORT_REF_DW3_BC)
-
-#define _PORT_REF_DW6_A			0x162198
-#define _PORT_REF_DW6_BC		0x6C198
-#define   GRC_CODE_SHIFT		24
-#define   GRC_CODE_MASK			(0xFF << GRC_CODE_SHIFT)
-#define   GRC_CODE_FAST_SHIFT		16
-#define   GRC_CODE_FAST_MASK		(0xFF << GRC_CODE_FAST_SHIFT)
-#define   GRC_CODE_SLOW_SHIFT		8
-#define   GRC_CODE_SLOW_MASK		(0xFF << GRC_CODE_SLOW_SHIFT)
-#define   GRC_CODE_NOM_MASK		0xFF
-#define BXT_PORT_REF_DW6(phy)		_BXT_PHY((phy), _PORT_REF_DW6_BC)
-
-#define _PORT_REF_DW8_A			0x1621A0
-#define _PORT_REF_DW8_BC		0x6C1A0
-#define   GRC_DIS			(1 << 15)
-#define   GRC_RDY_OVRD			(1 << 1)
-#define BXT_PORT_REF_DW8(phy)		_BXT_PHY((phy), _PORT_REF_DW8_BC)
-
-/* BXT PHY PCS registers */
-#define _PORT_PCS_DW10_LN01_A		0x162428
-#define _PORT_PCS_DW10_LN01_B		0x6C428
-#define _PORT_PCS_DW10_LN01_C		0x6C828
-#define _PORT_PCS_DW10_GRP_A		0x162C28
-#define _PORT_PCS_DW10_GRP_B		0x6CC28
-#define _PORT_PCS_DW10_GRP_C		0x6CE28
-#define BXT_PORT_PCS_DW10_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PCS_DW10_LN01_B, \
-							 _PORT_PCS_DW10_LN01_C)
-#define BXT_PORT_PCS_DW10_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PCS_DW10_GRP_B, \
-							 _PORT_PCS_DW10_GRP_C)
-
-#define   TX2_SWING_CALC_INIT		(1 << 31)
-#define   TX1_SWING_CALC_INIT		(1 << 30)
-
-#define _PORT_PCS_DW12_LN01_A		0x162430
-#define _PORT_PCS_DW12_LN01_B		0x6C430
-#define _PORT_PCS_DW12_LN01_C		0x6C830
-#define _PORT_PCS_DW12_LN23_A		0x162630
-#define _PORT_PCS_DW12_LN23_B		0x6C630
-#define _PORT_PCS_DW12_LN23_C		0x6CA30
-#define _PORT_PCS_DW12_GRP_A		0x162c30
-#define _PORT_PCS_DW12_GRP_B		0x6CC30
-#define _PORT_PCS_DW12_GRP_C		0x6CE30
-#define   LANESTAGGER_STRAP_OVRD	(1 << 6)
-#define   LANE_STAGGER_MASK		0x1F
-#define BXT_PORT_PCS_DW12_LN01(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PCS_DW12_LN01_B, \
-							 _PORT_PCS_DW12_LN01_C)
-#define BXT_PORT_PCS_DW12_LN23(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PCS_DW12_LN23_B, \
-							 _PORT_PCS_DW12_LN23_C)
-#define BXT_PORT_PCS_DW12_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_PCS_DW12_GRP_B, \
-							 _PORT_PCS_DW12_GRP_C)
-
-/* BXT PHY TX registers */
-#define _BXT_LANE_OFFSET(lane)           (((lane) >> 1) * 0x200 +	\
-					  ((lane) & 1) * 0x80)
-
-#define _PORT_TX_DW2_LN0_A		0x162508
-#define _PORT_TX_DW2_LN0_B		0x6C508
-#define _PORT_TX_DW2_LN0_C		0x6C908
-#define _PORT_TX_DW2_GRP_A		0x162D08
-#define _PORT_TX_DW2_GRP_B		0x6CD08
-#define _PORT_TX_DW2_GRP_C		0x6CF08
-#define BXT_PORT_TX_DW2_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW2_LN0_B, \
-							 _PORT_TX_DW2_LN0_C)
-#define BXT_PORT_TX_DW2_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW2_GRP_B, \
-							 _PORT_TX_DW2_GRP_C)
-#define   MARGIN_000_SHIFT		16
-#define   MARGIN_000			(0xFF << MARGIN_000_SHIFT)
-#define   UNIQ_TRANS_SCALE_SHIFT	8
-#define   UNIQ_TRANS_SCALE		(0xFF << UNIQ_TRANS_SCALE_SHIFT)
-
-#define _PORT_TX_DW3_LN0_A		0x16250C
-#define _PORT_TX_DW3_LN0_B		0x6C50C
-#define _PORT_TX_DW3_LN0_C		0x6C90C
-#define _PORT_TX_DW3_GRP_A		0x162D0C
-#define _PORT_TX_DW3_GRP_B		0x6CD0C
-#define _PORT_TX_DW3_GRP_C		0x6CF0C
-#define BXT_PORT_TX_DW3_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW3_LN0_B, \
-							 _PORT_TX_DW3_LN0_C)
-#define BXT_PORT_TX_DW3_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW3_GRP_B, \
-							 _PORT_TX_DW3_GRP_C)
-#define   SCALE_DCOMP_METHOD		(1 << 26)
-#define   UNIQUE_TRANGE_EN_METHOD	(1 << 27)
-
-#define _PORT_TX_DW4_LN0_A		0x162510
-#define _PORT_TX_DW4_LN0_B		0x6C510
-#define _PORT_TX_DW4_LN0_C		0x6C910
-#define _PORT_TX_DW4_GRP_A		0x162D10
-#define _PORT_TX_DW4_GRP_B		0x6CD10
-#define _PORT_TX_DW4_GRP_C		0x6CF10
-#define BXT_PORT_TX_DW4_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW4_LN0_B, \
-							 _PORT_TX_DW4_LN0_C)
-#define BXT_PORT_TX_DW4_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW4_GRP_B, \
-							 _PORT_TX_DW4_GRP_C)
-#define   DEEMPH_SHIFT			24
-#define   DE_EMPHASIS			(0xFF << DEEMPH_SHIFT)
-
-#define _PORT_TX_DW5_LN0_A		0x162514
-#define _PORT_TX_DW5_LN0_B		0x6C514
-#define _PORT_TX_DW5_LN0_C		0x6C914
-#define _PORT_TX_DW5_GRP_A		0x162D14
-#define _PORT_TX_DW5_GRP_B		0x6CD14
-#define _PORT_TX_DW5_GRP_C		0x6CF14
-#define BXT_PORT_TX_DW5_LN0(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW5_LN0_B, \
-							 _PORT_TX_DW5_LN0_C)
-#define BXT_PORT_TX_DW5_GRP(phy, ch)	_MMIO_BXT_PHY_CH(phy, ch, \
-							 _PORT_TX_DW5_GRP_B, \
-							 _PORT_TX_DW5_GRP_C)
-#define   DCC_DELAY_RANGE_1		(1 << 9)
-#define   DCC_DELAY_RANGE_2		(1 << 8)
-
-#define _PORT_TX_DW14_LN0_A		0x162538
-#define _PORT_TX_DW14_LN0_B		0x6C538
-#define _PORT_TX_DW14_LN0_C		0x6C938
-#define   LATENCY_OPTIM_SHIFT		30
-#define   LATENCY_OPTIM			(1 << LATENCY_OPTIM_SHIFT)
-#define BXT_PORT_TX_DW14_LN(phy, ch, lane)				\
-	_MMIO(_BXT_PHY_CH(phy, ch, _PORT_TX_DW14_LN0_B,			\
-				   _PORT_TX_DW14_LN0_C) +		\
-	      _BXT_LANE_OFFSET(lane))
-
 /* UAIMI scratch pad register 1 */
 #define UAIMI_SPR1			_MMIO(0x4F074)
 /* SKL VccIO mask */
diff --git a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
index 87ecc5104fd9..d0f111ff0ada 100644
--- a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
+++ b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
@@ -3,6 +3,7 @@
  * Copyright © 2020 Intel Corporation
  */
 
+#include "display/bxt_dpio_phy_regs.h"
 #include "display/intel_audio_regs.h"
 #include "display/intel_backlight_regs.h"
 #include "display/intel_color_regs.h"
@@ -1155,11 +1156,11 @@ static int iterate_bxt_mmio(struct intel_gvt_mmio_table_iter *iter)
 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH0));
 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH0));
 	MMIO_D(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW2_LN(DPIO_PHY0, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW3_LN(DPIO_PHY0, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW4_LN(DPIO_PHY0, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH0));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 1));
@@ -1180,11 +1181,11 @@ static int iterate_bxt_mmio(struct intel_gvt_mmio_table_iter *iter)
 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH1));
 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH1));
 	MMIO_D(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1));
-	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH1));
+	MMIO_D(BXT_PORT_TX_DW2_LN(DPIO_PHY0, DPIO_CH1, 0));
 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH1));
-	MMIO_D(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1));
+	MMIO_D(BXT_PORT_TX_DW3_LN(DPIO_PHY0, DPIO_CH1, 0));
 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH1));
-	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH1));
+	MMIO_D(BXT_PORT_TX_DW4_LN(DPIO_PHY0, DPIO_CH1, 0));
 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH1));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 0));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 1));
@@ -1205,11 +1206,11 @@ static int iterate_bxt_mmio(struct intel_gvt_mmio_table_iter *iter)
 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY1, DPIO_CH0));
 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY1, DPIO_CH0));
 	MMIO_D(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY1, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW2_LN(DPIO_PHY1, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY1, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW3_LN(DPIO_PHY1, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY1, DPIO_CH0));
-	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY1, DPIO_CH0));
+	MMIO_D(BXT_PORT_TX_DW4_LN(DPIO_PHY1, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY1, DPIO_CH0));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 0));
 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 1));
diff --git a/drivers/gpu/drm/i915/soc/intel_dram.c b/drivers/gpu/drm/i915/soc/intel_dram.c
index 15492b69f698..e3287f1de774 100644
--- a/drivers/gpu/drm/i915/soc/intel_dram.c
+++ b/drivers/gpu/drm/i915/soc/intel_dram.c
@@ -681,6 +681,8 @@ void intel_dram_detect(struct drm_i915_private *i915)
 	if (ret)
 		return;
 
+	drm_dbg_kms(&i915->drm, "Num qgv points %u\n", dram_info->num_qgv_points);
+
 	drm_dbg_kms(&i915->drm, "DRAM channels: %u\n", dram_info->num_channels);
 
 	drm_dbg_kms(&i915->drm, "Watermark level 0 adjustment needed: %s\n",
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 2014d87765a2..2e62450d86e1 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -516,9 +516,6 @@ struct xe_device {
 		unsigned int czclk_freq;
 		unsigned int fsb_freq, mem_freq, is_ddr3;
 	};
-	struct {
-		const char *dmc_firmware_path;
-	} params;
 
 	void *pxp;
 #endif
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index baf9949ff96f..8bed890eec2c 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -252,6 +252,12 @@ drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 }
 
 static inline bool
+drm_dp_128b132b_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+	return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B;
+}
+
+static inline bool
 drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {
 	return dpcd[DP_EDP_CONFIGURATION_CAP] &
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index cbcb49cb6a46..3546b58a121b 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -948,6 +948,13 @@ int __must_check drm_dp_mst_root_conn_atomic_check(struct drm_connector_state *n
 void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
 void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
 
+static inline
+bool drm_dp_mst_port_is_logical(struct drm_dp_mst_port *port)
+{
+	return port->port_num >= DP_MST_LOGICAL_PORT_0;
+}
+
+struct drm_dp_aux *drm_dp_mst_aux_for_parent(struct drm_dp_mst_port *port);
 struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
 
 static inline struct drm_dp_mst_topology_state *
diff --git a/include/drm/display/drm_dsc.h b/include/drm/display/drm_dsc.h
index bc90273d06a6..bbbe7438473d 100644
--- a/include/drm/display/drm_dsc.h
+++ b/include/drm/display/drm_dsc.h
@@ -40,9 +40,6 @@
 #define DSC_PPS_RC_RANGE_MINQP_SHIFT		11
 #define DSC_PPS_RC_RANGE_MAXQP_SHIFT		6
 #define DSC_PPS_NATIVE_420_SHIFT		1
-#define DSC_1_2_MAX_LINEBUF_DEPTH_BITS		16
-#define DSC_1_2_MAX_LINEBUF_DEPTH_VAL		0
-#define DSC_1_1_MAX_LINEBUF_DEPTH_BITS		13
 
 /**
  * struct drm_dsc_rc_range_parameters - DSC Rate Control range parameters
diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
index 56a84ee1c64c..4ea3b17aa143 100644
--- a/include/drm/i915_component.h
+++ b/include/drm/i915_component.h
@@ -24,7 +24,7 @@
 #ifndef _I915_COMPONENT_H_
 #define _I915_COMPONENT_H_
 
-#include "drm_audio_component.h"
+#include <drm/drm_audio_component.h>
 
 enum i915_component_type {
 	I915_COMPONENT_AUDIO = 1,