linux-kernel - [PATCH v4 4/7] drm/mediatek: disable all the planes in atomic

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Date:   Thu, 5 Dec 2019 17:27:46 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        YT Shen <yt.shen@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        CK Hu <ck.hu@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>, <tfiga@...omium.org>,
        <drinkcat@...omium.org>, <linux-kernel@...r.kernel.org>,
        <srv_heupstream@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>
Subject: [PATCH v4 4/7] drm/mediatek: disable all the planes in atomic_disable

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

Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.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 e887a6877bcd..e40c8cf7d74f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -550,6 +550,7 @@ 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