diff --git a/drivers/gpu/drm/rockchip/dw-dp.c b/drivers/gpu/drm/rockchip/dw-dp.c
index d5c0564adeb2..37fb38b908cb 100644
--- a/drivers/gpu/drm/rockchip/dw-dp.c
+++ b/drivers/gpu/drm/rockchip/dw-dp.c
@@ -682,6 +682,15 @@ static int dw_dp_connector_get_modes(struct drm_connector *connector)
 	struct edid *edid;
 	int num_modes = 0;
 
+	if (dp->right && dp->right->next_bridge) {
+		struct drm_bridge *bridge = dp->right->next_bridge;
+
+		if (bridge->ops & DRM_BRIDGE_OP_MODES) {
+			if (!drm_bridge_get_modes(bridge, connector))
+				return 0;
+		}
+	}
+
 	if (dp->next_bridge)
 		num_modes = drm_bridge_get_modes(dp->next_bridge, connector);
 
@@ -2114,6 +2123,9 @@ static int dw_dp_connector_init(struct dw_dp *dp)
 	int ret;
 
 	connector->polled = DRM_CONNECTOR_POLL_HPD;
+	if (dp->next_bridge && dp->next_bridge->ops & DRM_BRIDGE_OP_DETECT)
+		connector->polled = DRM_CONNECTOR_POLL_CONNECT |
+				    DRM_CONNECTOR_POLL_DISCONNECT;
 	connector->ycbcr_420_allowed = true;
 
 	ret = drm_connector_init(bridge->dev, connector,