diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-02-17 01:28:05 +0200 |
---|---|---|
committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-02-18 08:42:17 +0200 |
commit | b71a4a2542e1b092b4f11ce6318eaf82619312e4 (patch) | |
tree | c52d3679a91985445a78d69c8eb1c031ffc4a072 | |
parent | 84073e568eec7b586b2f6fd5fb2fb08f59edec54 (diff) |
drm/i915: Clean up SSKPD/MLTR defines
Give names to the SSKPD/MLTR fields, and use the
REG_GENMASK* and REG_FIELD_GET*.
Also drop the bogus non-mirrored SSKP register define.
v2: Rebase due to intel_mchbar_regs.h
Leave gen6_check_mch_setup() in place for the moment
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220216232806.6194-3-ville.syrjala@linux.intel.com
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_mchbar_regs.h | 17 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 26 |
3 files changed, 25 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b23ff4a19200..9132ab1c6476 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4210,14 +4210,6 @@ (WM3_LP_EN | ((lat) << WM1_LP_LATENCY_SHIFT) | \ ((fbc) << WM1_LP_FBC_SHIFT) | ((pri) << WM1_LP_SR_SHIFT) | (cur)) -/* the address where we get all kinds of latency value */ -#define SSKPD _MMIO(0x5d10) -#define SSKPD_WM_MASK 0x3f -#define SSKPD_WM0_SHIFT 0 -#define SSKPD_WM1_SHIFT 8 -#define SSKPD_WM2_SHIFT 16 -#define SSKPD_WM3_SHIFT 24 - /* * The two pipe frame counter registers are not synchronized, so * reading a stable value is somewhat tricky. The following code diff --git a/drivers/gpu/drm/i915/intel_mchbar_regs.h b/drivers/gpu/drm/i915/intel_mchbar_regs.h index f4aef00b30f7..2aad2f0cc8db 100644 --- a/drivers/gpu/drm/i915/intel_mchbar_regs.h +++ b/drivers/gpu/drm/i915/intel_mchbar_regs.h @@ -78,10 +78,9 @@ /* Memory latency timer register */ #define MLTR_ILK _MMIO(MCHBAR_MIRROR_BASE + 0x1222) -#define MLTR_WM1_SHIFT 0 -#define MLTR_WM2_SHIFT 8 /* the unit of memory self-refresh latency time is 0.5us */ -#define ILK_SRLT_MASK 0x3f +#define MLTR_WM2_MASK REG_GENMASK(13, 8) +#define MLTR_WM1_MASK REG_GENMASK(5, 0) #define CSIPLL0 _MMIO(MCHBAR_MIRROR_BASE + 0x2c10) #define DDRMPLL1 _MMIO(MCHBAR_MIRROR_BASE + 0x2c20) @@ -199,8 +198,16 @@ /* snb MCH registers for priority tuning */ #define MCH_SSKPD _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5d10) -#define MCH_SSKPD_WM0_MASK 0x3f -#define MCH_SSKPD_WM0_VAL 0xc +#define SSKPD_NEW_WM0_MASK_HSW REG_GENMASK64(63, 56) +#define SSKPD_WM4_MASK_HSW REG_GENMASK64(40, 32) +#define SSKPD_WM3_MASK_HSW REG_GENMASK64(28, 20) +#define SSKPD_WM2_MASK_HSW REG_GENMASK64(19, 12) +#define SSKPD_WM1_MASK_HSW REG_GENMASK64(11, 4) +#define SSKPD_OLD_WM0_MASK_HSW REG_GENMASK64(3, 0) +#define SSKPD_WM3_MASK_SNB REG_GENMASK(29, 24) +#define SSKPD_WM2_MASK_SNB REG_GENMASK(21, 16) +#define SSKPD_WM1_MASK_SNB REG_GENMASK(13, 8) +#define SSKPD_WM0_MASK_SNB REG_GENMASK(5, 0) /* Memory controller frequency in MCHBAR for Haswell (possible SNB+) */ #define DCLK _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5e04) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d4d487f040a1..a60818015ada 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2947,27 +2947,27 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { u64 sskpd = intel_uncore_read64(uncore, MCH_SSKPD); - wm[0] = (sskpd >> 56) & 0xFF; + wm[0] = REG_FIELD_GET64(SSKPD_NEW_WM0_MASK_HSW, sskpd); if (wm[0] == 0) - wm[0] = sskpd & 0xF; - wm[1] = (sskpd >> 4) & 0xFF; - wm[2] = (sskpd >> 12) & 0xFF; - wm[3] = (sskpd >> 20) & 0x1FF; - wm[4] = (sskpd >> 32) & 0x1FF; + wm[0] = REG_FIELD_GET64(SSKPD_OLD_WM0_MASK_HSW, sskpd); + wm[1] = REG_FIELD_GET64(SSKPD_WM1_MASK_HSW, sskpd); + wm[2] = REG_FIELD_GET64(SSKPD_WM2_MASK_HSW, sskpd); + wm[3] = REG_FIELD_GET64(SSKPD_WM3_MASK_HSW, sskpd); + wm[4] = REG_FIELD_GET64(SSKPD_WM4_MASK_HSW, sskpd); } else if (DISPLAY_VER(dev_priv) >= 6) { u32 sskpd = intel_uncore_read(uncore, MCH_SSKPD); - wm[0] = (sskpd >> SSKPD_WM0_SHIFT) & SSKPD_WM_MASK; - wm[1] = (sskpd >> SSKPD_WM1_SHIFT) & SSKPD_WM_MASK; - wm[2] = (sskpd >> SSKPD_WM2_SHIFT) & SSKPD_WM_MASK; - wm[3] = (sskpd >> SSKPD_WM3_SHIFT) & SSKPD_WM_MASK; + wm[0] = REG_FIELD_GET(SSKPD_WM0_MASK_SNB, sskpd); + wm[1] = REG_FIELD_GET(SSKPD_WM1_MASK_SNB, sskpd); + wm[2] = REG_FIELD_GET(SSKPD_WM2_MASK_SNB, sskpd); + wm[3] = REG_FIELD_GET(SSKPD_WM3_MASK_SNB, sskpd); } else if (DISPLAY_VER(dev_priv) >= 5) { u32 mltr = intel_uncore_read(uncore, MLTR_ILK); /* ILK primary LP0 latency is 700 ns */ wm[0] = 7; - wm[1] = (mltr >> MLTR_WM1_SHIFT) & ILK_SRLT_MASK; - wm[2] = (mltr >> MLTR_WM2_SHIFT) & ILK_SRLT_MASK; + wm[1] = REG_FIELD_GET(MLTR_WM1_MASK, mltr); + wm[2] = REG_FIELD_GET(MLTR_WM2_MASK, mltr); } else { MISSING_CASE(INTEL_DEVID(dev_priv)); } @@ -7394,7 +7394,7 @@ static void gen6_check_mch_setup(struct drm_i915_private *dev_priv) u32 tmp; tmp = intel_uncore_read(&dev_priv->uncore, MCH_SSKPD); - if ((tmp & MCH_SSKPD_WM0_MASK) != MCH_SSKPD_WM0_VAL) + if (REG_FIELD_GET(SSKPD_WM0_MASK_SNB, tmp) != 12) drm_dbg_kms(&dev_priv->drm, "Wrong MCH_SSKPD value: 0x%08x This can cause underruns.\n", tmp); |