linux-kernel - [PATCH v7 3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift

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Message-ID: <20210915223117.7857-4-jitao.shi@mediatek.com>
Date:   Thu, 16 Sep 2021 06:31:17 +0800
From:   Jitao Shi <jitao.shi@...iatek.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>, <ck.hu@...iatek.com>,
        <stonea168@....com>, <huijuan.xie@...iatek.com>,
        <rex-bc.chen@...iatek.com>, <shuijing.li@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: [PATCH v7 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>
---
 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 14d73fb1dd15..d76fb63fa9f7 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1327,6 +1327,7 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 		MIPI_DSI_MODE_VIDEO_SYNC_PULSE	|
 		MIPI_DSI_MODE_NO_EOT_PACKET	|
 		MIPI_DSI_MODE_VIDEO_HSE;
+	dsi->hs_packet_end_aligned = true;
 
 	if (mipi_dsi_attach(dsi) < 0) {
 		DRM_DEV_ERROR(dev, "fail to attach dsi to host.\n");
-- 
2.25.1