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From:   Rex-BC Chen <rex-bc.chen@mediatek.com>
To:     <chunkuang.hu@kernel.org>, <matthias.bgg@gmail.com>,
        <narmstrong@baylibre.com>, <robert.foss@linaro.org>,
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        <p.zabel@pengutronix.de>
CC:     <xji@analogixsemi.com>, <jitao.shi@mediatek.com>,
        <xinlei.lee@mediatek.com>,
        <angelogioacchino.delregno@collabora.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@mediatek.com>,
        Rex-BC Chen <rex-bc.chen@mediatek.com>
Subject: [v10,3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift
Date:   Wed, 19 Jan 2022 10:25:43 +0800
Message-ID: <20220119022543.26093-4-rex-bc.chen@mediatek.com>
In-Reply-To: <20220119022543.26093-1-rex-bc.chen@mediatek.com>
References: <20220119022543.26093-1-rex-bc.chen@mediatek.com>
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This device requires the packets on lanes aligned at the end to fix
screen shift or scroll.

Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Xin Ji <xji@analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 2346dbcc505f..fe32ab0878ae 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1673,7 +1673,8 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 	dsi->format = MIPI_DSI_FMT_RGB888;
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO	|
 		MIPI_DSI_MODE_VIDEO_SYNC_PULSE	|
-		MIPI_DSI_MODE_VIDEO_HSE;
+		MIPI_DSI_MODE_VIDEO_HSE	|
+		MIPI_DSI_HS_PKT_END_ALIGNED;
 
 	ret = devm_mipi_dsi_attach(dev, dsi);
 	if (ret) {
-- 
2.18.0