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-rw-r--r--drivers/gpu/drm/i915/intel_pm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 362800b..5eb48ad 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -68,6 +68,10 @@ 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)