drm: bridge: analogix: Detach panel when unbinding analogix dp

The panel is attached when binding analogix dp.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491481885-13775-2-git-send-email-jeffy.chen@rock-chips.com

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index c26997a..28144a1 100644 (file)
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1443,6 +1443,8 @@ void analogix_dp_unbind(struct device *dev, struct device *master,
        if (dp->plat_data->panel) {
                if (drm_panel_unprepare(dp->plat_data->panel))
                        DRM_ERROR("failed to turnoff the panel\n");
+               if (drm_panel_detach(dp->plat_data->panel))
+                       DRM_ERROR("failed to detach the panel\n");
        }
 
        pm_runtime_disable(dev);