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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c1
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c3
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c3
-rw-r--r--drivers/gpu/drm/i915/intel_display.c18
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c11
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c2
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c31
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c3
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c15
9 files changed, 52 insertions, 35 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9cf7dfe022b9..914c0dfabe60 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1587,6 +1587,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->error_lock);
spin_lock_init(&dev_priv->rps_lock);
+ spin_lock_init(&dev_priv->dpio_lock);
if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
dev_priv->num_pipe = 3;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 489e2b162b27..274d25de521e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3242,7 +3242,8 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
{
int ret;
- BUG_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT);
+ if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
+ return -EBUSY;
if (obj->gtt_space != NULL) {
if ((alignment && obj->gtt_offset & (alignment - 1)) ||
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8a3828528b9d..5249640cce13 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2700,9 +2700,6 @@ void intel_irq_init(struct drm_device *dev)
dev->driver->irq_handler = i8xx_irq_handler;
dev->driver->irq_uninstall = i8xx_irq_uninstall;
} else if (INTEL_INFO(dev)->gen == 3) {
- /* IIR "flip pending" means done if this bit is set */
- I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE));
-
dev->driver->irq_preinstall = i915_irq_preinstall;
dev->driver->irq_postinstall = i915_irq_postinstall;
dev->driver->irq_uninstall = i915_irq_uninstall;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2dfa6cf4886b..c040aee1341c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1376,7 +1376,8 @@ static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv,
"PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
- WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+ WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0
+ && (val & DP_PIPEB_SELECT),
"IBX PCH dp port still using transcoder B\n");
}
@@ -1388,7 +1389,8 @@ static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv,
"PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
- WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+ WARN(HAS_PCH_IBX(dev_priv->dev) && (val & PORT_ENABLE) == 0
+ && (val & SDVO_PIPE_B_SELECT),
"IBX PCH hdmi port still using transcoder B\n");
}
@@ -4189,12 +4191,6 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
POSTING_READ(DPLL(pipe));
udelay(150);
- I915_WRITE(DPLL(pipe), dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
* This is an exception to the general rule that mode_set doesn't turn
* things on.
@@ -4202,6 +4198,12 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
intel_update_lvds(crtc, clock, adjusted_mode);
+ I915_WRITE(DPLL(pipe), dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(DPLL(pipe));
+ udelay(150);
+
/* The pixel multiplier can only be updated once the
* DPLL is enabled and the clocks are stable.
*
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index a6c426afaa7a..ace757af9133 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2533,14 +2533,10 @@ intel_dp_init(struct drm_device *dev, int output_reg)
break;
}
- intel_dp_i2c_init(intel_dp, intel_connector, name);
-
/* Cache some DPCD data in the eDP case */
if (is_edp(intel_dp)) {
- bool ret;
struct edp_power_seq cur, vbt;
u32 pp_on, pp_off, pp_div;
- struct edid *edid;
pp_on = I915_READ(PCH_PP_ON_DELAYS);
pp_off = I915_READ(PCH_PP_OFF_DELAYS);
@@ -2591,6 +2587,13 @@ intel_dp_init(struct drm_device *dev, int output_reg)
DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+ }
+
+ intel_dp_i2c_init(intel_dp, intel_connector, name);
+
+ if (is_edp(intel_dp)) {
+ bool ret;
+ struct edid *edid;
ironlake_edp_panel_vdd_on(intel_dp);
ret = intel_dp_get_dpcd(intel_dp);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 98f602427eb8..12dc3308ab8c 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -609,7 +609,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
u32 temp;
u32 enable_bits = SDVO_ENABLE;
- if (intel_hdmi->has_audio)
+ if (intel_hdmi->has_audio || mode != DRM_MODE_DPMS_ON)
enable_bits |= SDVO_AUDIO_ENABLE;
temp = I915_READ(intel_hdmi->sdvox_reg);
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 3df4f5fa892a..e019b2369861 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -162,19 +162,12 @@ static u32 i915_read_blc_pwm_ctl(struct drm_i915_private *dev_priv)
return val;
}
-u32 intel_panel_get_max_backlight(struct drm_device *dev)
+static u32 _intel_panel_get_max_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 max;
max = i915_read_blc_pwm_ctl(dev_priv);
- if (max == 0) {
- /* XXX add code here to query mode clock or hardware clock
- * and program max PWM appropriately.
- */
- pr_warn_once("fixme: max PWM is zero\n");
- return 1;
- }
if (HAS_PCH_SPLIT(dev)) {
max >>= 16;
@@ -188,6 +181,22 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
max *= 0xff;
}
+ return max;
+}
+
+u32 intel_panel_get_max_backlight(struct drm_device *dev)
+{
+ u32 max;
+
+ max = _intel_panel_get_max_backlight(dev);
+ if (max == 0) {
+ /* XXX add code here to query mode clock or hardware clock
+ * and program max PWM appropriately.
+ */
+ pr_warn_once("fixme: max PWM is zero\n");
+ return 1;
+ }
+
DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max);
return max;
}
@@ -424,7 +433,11 @@ int intel_panel_setup_backlight(struct drm_device *dev)
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
- props.max_brightness = intel_panel_get_max_backlight(dev);
+ props.max_brightness = _intel_panel_get_max_backlight(dev);
+ if (props.max_brightness == 0) {
+ DRM_ERROR("Failed to get maximum backlight value\n");
+ return -ENODEV;
+ }
dev_priv->backlight =
backlight_device_register("intel_backlight",
&connector->kdev, dev,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1881c8c83f0e..ba8a27b1757a 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3672,6 +3672,9 @@ static void gen3_init_clock_gating(struct drm_device *dev)
if (IS_PINEVIEW(dev))
I915_WRITE(ECOSKPD, _MASKED_BIT_ENABLE(ECO_GATING_CX_ONLY));
+
+ /* IIR "flip pending" means done if this bit is set */
+ I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE));
}
static void i85x_init_clock_gating(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d81bb0bf2885..123afd357611 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2573,7 +2573,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
hotplug_mask = intel_sdvo->is_sdvob ?
SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
}
- dev_priv->hotplug_supported_mask |= hotplug_mask;
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
@@ -2581,14 +2580,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
goto err;
- /* Set up hotplug command - note paranoia about contents of reply.
- * We assume that the hardware is in a sane state, and only touch
- * the bits we think we understand.
- */
- intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
- &intel_sdvo->hotplug_active, 2);
- intel_sdvo->hotplug_active[0] &= ~0x3;
-
if (intel_sdvo_output_setup(intel_sdvo,
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
@@ -2596,6 +2587,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
goto err;
}
+ /* Only enable the hotplug irq if we need it, to work around noisy
+ * hotplug lines.
+ */
+ if (intel_sdvo->hotplug_active[0])
+ dev_priv->hotplug_supported_mask |= hotplug_mask;
+
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
/* Set the input timing to the screen. Assume always input 0. */