diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c
index 5b8332179b7c..26ac585ba666 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -287,6 +287,7 @@ static int rockchip_rgb_bind(struct device *dev, struct device *master,
 				      "failed to attach panel: %d\n", ret);
 			goto err_free_connector;
 		}
+		connector->port = dev->of_node;
 	} else {
 		rgb->bridge->encoder = encoder;
 		ret = drm_bridge_attach(drm_dev, rgb->bridge);