diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e25b70847f86..f88dac81a915 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -458,9 +458,6 @@ static const struct intel_limit intel_limits_bxt = {
 static void
 skl_wa_clkgate(struct drm_i915_private *dev_priv, int pipe, bool enable)
 {
-	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
-		return;
-
 	if (enable)
 		I915_WRITE(CLKGATE_DIS_PSL(pipe),
 			   DUPS1_GATING_DIS | DUPS2_GATING_DIS);
@@ -5227,9 +5224,6 @@ static bool needs_nv12_wa(struct drm_i915_private *dev_priv,
 	if (!crtc_state->nv12_planes)
 		return false;
 
-	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
-		return false;
-
 	if ((IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) ||
 	    IS_CANNONLAKE(dev_priv))
 		return true;
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index e7c95ec879cc..370c827294d8 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1868,6 +1868,7 @@ static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
 	if (INTEL_GEN(dev_priv) >= 11)
 		return plane_id <= PLANE_SPRITE3;
 
+	/* Display WA #0870: skl, bxt */
 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
 		return false;