diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c96055933064ff79e5d75dac4f752c370746739e..eb5498a6a1e6e06c6b77b4a4030183a63c6add8f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -73,12 +73,10 @@ static void skl_init_clock_gating(struct drm_device *dev)
 
 	if (INTEL_REVID(dev) <= SKL_REVID_B0) {
 		/*
-		 * WaDisableSDEUnitClockGating:skl
 		 * WaSetGAPSunitClckGateDisable:skl
 		 */
 		I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
-			   GEN8_GAPSUNIT_CLOCK_GATE_DISABLE |
-			   GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
+			   GEN8_GAPSUNIT_CLOCK_GATE_DISABLE);
 
 		/* WaDisableVFUnitClockGating:skl */
 		I915_WRITE(GEN6_UCGCTL2, I915_READ(GEN6_UCGCTL2) |