diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index cf7f15ffd148b7a2d755c31e8110b3bb4c521c96..fa256fb83a8b20e98ebe1e7a2ec3b17ee3549a69 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4942,8 +4942,9 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,
 		   GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC);
 
-	/* WaApplyL3ControlAndL3ChickenMode:vlv */
+	/* WaDisableL3CacheAging:vlv */
 	I915_WRITE(GEN7_L3CNTLREG1, I915_READ(GEN7_L3CNTLREG1) | GEN7_L3AGDIS);
+	/* WaApplyL3ControlAndL3ChickenMode:vlv */
 	I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER, GEN7_WA_L3_CHICKEN_MODE);
 
 	/* WaForceL3Serialization:vlv */