diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 3fe1158706d5..d28bd8c4a8a5 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -372,7 +372,8 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
 		size = ARRAY_SIZE(icl_rates);
 		if (IS_DG2(dev_priv))
 			max_rate = dg2_max_source_rate(intel_dp);
-		else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
+		else if (IS_ALDERLAKE_P(dev_priv) || IS_ALDERLAKE_S(dev_priv) ||
+			 IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
 			max_rate = dg1_max_source_rate(intel_dp);
 		else if (IS_JSL_EHL(dev_priv))
 			max_rate = ehl_max_source_rate(intel_dp);