From 82280cc951a2a65d9d0481360667fa0c694114c4 Mon Sep 17 00:00:00 2001
From: Bibby Hsieh <bibby.hsieh@mediatek.com>
Date: Tue, 10 Dec 2019 13:05:23 +0800
Subject: drm/mediatek: disable all the planes in atomic_disable
Git-commit: 9b59b8c6f8462cd330fc7fb735c4d864357b3689
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 478a51ba3891..ecf3f0976a88 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -540,6 +540,7 @@ 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);
--
2.28.0