diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 629ad54e2797e4cdfa0818372a988ba0c4656a7b..f2911de69ea9a510ecff10d8d1fc1e953891f2e1 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4492,7 +4492,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
 	}
 
 	/* Display WA #1141: kbl,cfl */
-	if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
+	if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
+	    IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0)) &&
 	    dev_priv->ipc_enabled)
 		latency += 4;