diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
index 4b36c01a9e7a..00e82d627d91 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
@@ -1189,8 +1189,9 @@ void dcn10_link_encoder_dp_set_phy_pattern(
 		set_dp_phy_pattern_prbs7(enc10);
 		break;
 	case DP_TEST_PATTERN_80BIT_CUSTOM:
-		set_dp_phy_pattern_80bit_custom(
-			enc10, param->custom_pattern);
+		if (param)
+			set_dp_phy_pattern_80bit_custom(
+				enc10, param->custom_pattern);
 		break;
 	case DP_TEST_PATTERN_CP2520_1:
 		set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc10, 1);
@@ -1202,8 +1203,9 @@ void dcn10_link_encoder_dp_set_phy_pattern(
 		set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc10, 3);
 		break;
 	case DP_TEST_PATTERN_VIDEO_MODE: {
-		set_dp_phy_pattern_passthrough_mode(
-			enc10, param->dp_panel_mode);
+		if (param)
+			set_dp_phy_pattern_passthrough_mode(
+				enc10, param->dp_panel_mode);
 		break;
 	}