diff --git a/include/drm/bridge/imx.h b/include/drm/bridge/imx.h
index e14f429a9ca2e..b93f719fe0e7e 100644
--- a/include/drm/bridge/imx.h
+++ b/include/drm/bridge/imx.h
@@ -6,6 +6,10 @@
 #ifndef DRM_IMX_BRIDGE_H
 #define DRM_IMX_BRIDGE_H
 
+struct device;
+struct device_node;
+struct drm_bridge;
+
 struct drm_bridge *devm_imx_drm_legacy_bridge(struct device *dev,
 					      struct device_node *np,
 					      int type);