diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d766d1a562df08972cb5191f33c5c532fd870d09..de3dd241e1515b6dc71203e77281da0f004cb560 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -69,6 +69,10 @@ static void gen9_init_clock_gating(struct drm_device *dev) /* WaEnableChickenDCPR:skl,bxt,kbl */ I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | MASK_WAKEMEM); + + /* WaFbcTurnOffFbcWatermark:skl,bxt,kbl */ + I915_WRITE(DISP_ARB_CTL, + I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS); } static void bxt_init_clock_gating(struct drm_device *dev)