diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5e5949edf2a88..b93c4c18f05c4 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7769,6 +7769,7 @@ enum { #define GEN8_CHICKEN_DCPR_1 _MMIO(0x46430) #define SKL_SELECT_ALTERNATE_DC_EXIT (1 << 30) +#define CNL_DELAY_PMRSP (1 << 22) #define MASK_WAKEMEM (1 << 13) #define CNL_DDI_CLOCK_REG_ACCESS_ON (1 << 7) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 8e5f08c58b0c4..81e5a3278fda9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6643,6 +6643,10 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv) /* Wa_1407352427:icl,ehl */ intel_uncore_rmw(&dev_priv->uncore, UNSLICE_UNIT_LEVEL_CLKGATE2, 0, PSDUNIT_CLKGATE_DIS); + + /*Wa_14010594013:icl, ehl */ + intel_uncore_rmw(&dev_priv->uncore, GEN8_CHICKEN_DCPR_1, + 0, CNL_DELAY_PMRSP); } static void tgl_init_clock_gating(struct drm_i915_private *dev_priv)