diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
index 1f0a9d44d426..39b06eda83b9 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
@@ -3045,6 +3045,8 @@ static int _sde_hdmi_parse_dt_modes(struct device_node *np,
 			flags |= DRM_MODE_FLAG_PVSYNC;
 		else
 			flags |= DRM_MODE_FLAG_NVSYNC;
+
+		flags |= DRM_MODE_FLAG_SUPPORTS_RGB;
 		mode->flags = flags;
 
 		if (!rc) {