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drm/mediatek: disable all the planes in atomic_disable

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

Fixes: 9dc84e98a3 ("drm/mediatek: add shadow register support")

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Bibby Hsieh 2019-12-10 13:05:23 +08:00 committed by CK Hu
parent 920fffcc89
commit 9b59b8c6f8
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/mediatek/mtk_drm_crtc.c
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@ -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);