diff mbox series

[v3,2/2] dt-bindings: mediatek: add force_dsi_end_without_null for dsi

Message ID 20210726021104.80007-2-jitao.shi@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v3,1/2] drm/mediatek: force hsa hbp hfp packets multiple of lanenum to avoid screen shift | expand

Commit Message

Jitao Shi July 26, 2021, 2:11 a.m. UTC
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@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,dsi.txt     | 4 ++++
 1 file changed, 4 insertions(+)

Comments

CK Hu (胡俊光) July 26, 2021, 4:02 a.m. UTC | #1
Hi, Jitao:

On Mon, 2021-07-26 at 10:11 +0800, Jitao Shi wrote:
> 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@mediatek.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.
> +

I think you should add this property in [1] because this limitation is
ANX7625's limitation.

[1]
Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml

Regards,
CK

>  MIPI TX Configuration Module
>  ============================
>
diff mbox series

Patch

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
 ============================