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path: root/drivers/gpu/drm/i915/intel_runtime_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 8af286c63d3b..d758da6156a8 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -130,6 +130,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
return "INIT";
case POWER_DOMAIN_MODESET:
return "MODESET";
+ case POWER_DOMAIN_GT_IRQ:
+ return "GT_IRQ";
default:
MISSING_CASE(domain);
return "?";
@@ -598,6 +600,11 @@ void gen9_enable_dc5(struct drm_i915_private *dev_priv)
DRM_DEBUG_KMS("Enabling DC5\n");
+ /* Wa Display #1183: skl,kbl,cfl */
+ if (IS_GEN9_BC(dev_priv))
+ I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) |
+ SKL_SELECT_ALTERNATE_DC_EXIT);
+
gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC5);
}
@@ -625,6 +632,11 @@ void skl_disable_dc6(struct drm_i915_private *dev_priv)
{
DRM_DEBUG_KMS("Disabling DC6\n");
+ /* Wa Display #1183: skl,kbl,cfl */
+ if (IS_GEN9_BC(dev_priv))
+ I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) |
+ SKL_SELECT_ALTERNATE_DC_EXIT);
+
gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
}
@@ -705,7 +717,8 @@ static void gen9_dc_off_power_well_enable(struct drm_i915_private *dev_priv,
gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
dev_priv->display.get_cdclk(dev_priv, &cdclk_state);
- WARN_ON(!intel_cdclk_state_compare(&dev_priv->cdclk.hw, &cdclk_state));
+ /* Can't read out voltage_level so can't use intel_cdclk_changed() */
+ WARN_ON(intel_cdclk_needs_modeset(&dev_priv->cdclk.hw, &cdclk_state));
gen9_assert_dbuf_enabled(dev_priv);
@@ -1704,6 +1717,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
BIT_ULL(POWER_DOMAIN_INIT))
#define SKL_DISPLAY_DC_OFF_POWER_DOMAINS ( \
SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
+ BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
BIT_ULL(POWER_DOMAIN_MODESET) | \
BIT_ULL(POWER_DOMAIN_AUX_A) | \
BIT_ULL(POWER_DOMAIN_INIT))
@@ -1722,12 +1736,13 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
BIT_ULL(POWER_DOMAIN_AUX_C) | \
BIT_ULL(POWER_DOMAIN_AUDIO) | \
BIT_ULL(POWER_DOMAIN_VGA) | \
- BIT_ULL(POWER_DOMAIN_GMBUS) | \
BIT_ULL(POWER_DOMAIN_INIT))
#define BXT_DISPLAY_DC_OFF_POWER_DOMAINS ( \
BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
+ BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
BIT_ULL(POWER_DOMAIN_MODESET) | \
BIT_ULL(POWER_DOMAIN_AUX_A) | \
+ BIT_ULL(POWER_DOMAIN_GMBUS) | \
BIT_ULL(POWER_DOMAIN_INIT))
#define BXT_DPIO_CMN_A_POWER_DOMAINS ( \
BIT_ULL(POWER_DOMAIN_PORT_DDI_A_LANES) | \
@@ -1784,8 +1799,10 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
BIT_ULL(POWER_DOMAIN_INIT))
#define GLK_DISPLAY_DC_OFF_POWER_DOMAINS ( \
GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
+ BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
BIT_ULL(POWER_DOMAIN_MODESET) | \
BIT_ULL(POWER_DOMAIN_AUX_A) | \
+ BIT_ULL(POWER_DOMAIN_GMBUS) | \
BIT_ULL(POWER_DOMAIN_INIT))
#define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \
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