drm: bridge: dw-hdmi: unregister the hpd workqueue when unbind

Change-Id: Ib692a4e42843a6a9c89c5a92f79a7dd85a4ae534
Signed-off-by: algea.cao <algea.cao@rock-chips.com>

diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index a25117765af4b6e431c9fc737815e6d36707679b..afbb6c83ac461789caf2f28089d7f1c83fa46e57 100644 (file)
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -2664,6 +2664,9 @@ void dw_hdmi_unbind(struct device *dev, struct device *master, void *data)
                i2c_del_adapter(&hdmi->i2c->adap);
        else
                i2c_put_adapter(hdmi->ddc);
+
+       flush_workqueue(hdmi->workqueue);
+       destroy_workqueue(hdmi->workqueue);
 }
 EXPORT_SYMBOL_GPL(dw_hdmi_unbind);