linux-kernel - [PATCH v3 2/2] dt-bindings: mediatek: add force_dsi_end_without

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Message-ID: <20210726021104.80007-2-jitao.shi@mediatek.com>
Date:   Mon, 26 Jul 2021 10:11:04 +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>,
        <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: [PATCH v3 2/2] dt-bindings: mediatek: add force_dsi_end_without_null for dsi

Some bridge chip will shift screen when the dsi data does't ent at
the same time in line.

Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,dsi.txt     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
index 8238a86686be..1c2f53f3ac3d 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
@@ -19,6 +19,10 @@ Required properties:
   Documentation/devicetree/bindings/graph.txt. This port should be connected
   to the input port of an attached DSI panel or DSI-to-eDP encoder chip.
 
+Optional properties:
+- force_dsi_end_without_null: Some bridge chip(ex. ANX7625) requires the
+  packets on lanes aligned at the end.
+
 MIPI TX Configuration Module
 ============================
 
-- 
2.25.1