linux-kernel - [v8, PATCH 3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift

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Date:   Wed, 12 Jan 2022 23:36:39 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <chunkuang.hu@...nel.org>, <matthias.bgg@...il.com>,
        <narmstrong@...libre.com>, <robert.foss@...aro.org>,
        <andrzej.hajda@...el.com>, <daniel@...ll.ch>, <airlied@...ux.ie>,
        <p.zabel@...gutronix.de>
CC:     <xji@...logixsemi.com>, <jitao.shi@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>
Subject: [v8, PATCH 3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift

This device requires the packets on lanes aligned at the end to fix
screen shift or scroll.

Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
Reviewed-by: Xin Ji <xji@...logixsemi.com>
Acked-by: Robert Foss <robert.foss@...aro.org>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 2346dbcc505f..672705a68dae 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1674,6 +1674,7 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO	|
 		MIPI_DSI_MODE_VIDEO_SYNC_PULSE	|
 		MIPI_DSI_MODE_VIDEO_HSE;
+	dsi->hs_packet_end_aligned = true;
 
 	ret = devm_mipi_dsi_attach(dev, dsi);
 	if (ret) {
-- 
2.18.0