diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 52d4f2d660dbf85aac380303c7edb7b6641acc6e..0bb94d963b0a4a0409d2d58bbcf443f25f605627 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3899,8 +3899,10 @@ static void valleyview_init_clock_gating(struct drm_device *dev) CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE | CHICKEN3_DGMG_DONE_FIX_DISABLE); + /* WaDisablePSDDualDispatchEnable */ I915_WRITE(GEN7_HALF_SLICE_CHICKEN1, - _MASKED_BIT_ENABLE(GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE)); + _MASKED_BIT_ENABLE(GEN7_MAX_PS_THREAD_DEP | + GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE)); /* Apply the WaDisableRHWOOptimizationForRenderHang workaround. */ I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,