diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index ffb4f9027d5e87ddd680f81680e2aa726ebd5dd5..ced552ed7b8a166cc3dbc5c22adaec044edd20b3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2411,6 +2411,12 @@ bool dp_validate_mode_timing(
 
 	const struct dc_link_settings *link_setting;
 
+	/* According to spec, VSC SDP should be used if pixel format is YCbCr420 */
+	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
+			!link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
+			dal_graphics_object_id_get_connector_id(link->link_id) != CONNECTOR_ID_VIRTUAL)
+		return false;
+
 	/*always DP fail safe mode*/
 	if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
 		timing->h_addressable == (uint32_t) 640 &&