[PATCH v5 4/7] drm/mediatek: disable all the planes in atomic_disable

[Bibby Hsieh]

Under shadow register case, we do not disable all the plane before
disable all the hardwares. Fix it.

Fixes: 9dc84e98a31f ("drm/mediatek: add shadow register support")

Signed-off-by: Bibby Hsieh <bibby.hsieh at mediatek.com>
Reviewed-by: CK Hu <ck.hu at mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index b771ee05968b..adf072fb4ae3 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -547,6 +547,7 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc,
 	}
 	mtk_crtc->pending_planes = true;
 
+	mtk_drm_crtc_hw_config(mtk_crtc);
 	/* Wait for planes to be disabled */
 	drm_crtc_wait_one_vblank(crtc);
 
-- 
2.18.0