From cf49b24ffa62766f8f04cd1c4cf17b75d29b240a Mon Sep 17 00:00:00 2001
From: Hsin-Yi Wang <hsinyi@chromium.org>
Date: Wed, 29 May 2019 18:25:54 +0800
Subject: drm/mediatek: call drm_atomic_helper_shutdown() when unbinding driver
Git-commit: cf49b24ffa62766f8f04cd1c4cf17b75d29b240a
Patch-mainline: v5.2-rc5
References: bsc#1111666 bsc#1135642

shutdown all CRTC when unbinding drm driver.

Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/mediatek/mtk_drm_drv.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -265,6 +265,7 @@ err_config_cleanup:
 static void mtk_drm_kms_deinit(struct drm_device *drm)
 {
 	drm_kms_helper_poll_fini(drm);
+	drm_atomic_helper_shutdown(drm);
 
 	component_unbind_all(drm->dev, drm);
 	drm_mode_config_cleanup(drm);