From: algea.cao <algea.cao@rock-chips.com>
Date: Wed, 19 Apr 2017 11:32:09 +0000 (+0800)
Subject: drm: bridge: dw-hdmi: unregister the hpd workqueue when unbind
X-Git-Tag: release-20171130_firefly~4^2~763
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d243a34d029458c2d63bfc4e5c2137dad2a18b1f;p=firefly-linux-kernel-4.4.55.git

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 a25117765af4..afbb6c83ac46 100644
--- 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);