diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 2e2be08dd26c..02a31420947d 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2336,10 +2336,15 @@ static void intel_ddi_power_up_lanes(struct intel_encoder *encoder,
 	}
 }
 
-/* Splitter enable for eDP MSO is limited to certain pipes. */
+/*
+ * Splitter enable for eDP MSO is limited to certain pipes, on certain
+ * platforms.
+ */
 static u8 intel_ddi_splitter_pipe_mask(struct drm_i915_private *i915)
 {
-	if (IS_ALDERLAKE_P(i915))
+	if (DISPLAY_VER(i915) > 20)
+		return ~0;
+	else if (IS_ALDERLAKE_P(i915))
 		return BIT(PIPE_A) | BIT(PIPE_B);
 	else
 		return BIT(PIPE_A);