diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index 21541be094c4..36ee6e027af5 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2093,6 +2093,12 @@ struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
 }
 EXPORT_SYMBOL_GPL(dw_dp_bind);
 
+void dw_dp_unbind(struct dw_dp *dp)
+{
+	drm_dp_aux_unregister(&dp->aux);
+}
+EXPORT_SYMBOL_GPL(dw_dp_unbind);
+
 MODULE_AUTHOR("Andy Yan <andyshrk@163.com>");
 MODULE_DESCRIPTION("DW DP Core Library");
 MODULE_LICENSE("GPL");
diff --git a/include/drm/bridge/dw_dp.h b/include/drm/bridge/dw_dp.h
index 25363541e69d..22105c3e8e4d 100644
--- a/include/drm/bridge/dw_dp.h
+++ b/include/drm/bridge/dw_dp.h
@@ -24,4 +24,5 @@ struct dw_dp_plat_data {
 
 struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
 			 const struct dw_dp_plat_data *plat_data);
+void dw_dp_unbind(struct dw_dp *dp);
 #endif /* __DW_DP__ */