Re: [PATCH v3, 02/27] dt-bindings: mediatek: add ovl_2l description for mt8183 display

[Rob Herring]

On Wed, Jun 05, 2019 at 07:42:41PM +0800, yongqiang.niu@xxxxxxxxxxxx wrote:
> From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> 
> Update device tree binding documention for the display subsystem for
> Mediatek MT8183 SOCs
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> index 70770fe..2418c56 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> @@ -28,6 +28,7 @@ Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt.
>  Required properties (all function blocks):
>  - compatible: "mediatek,<chip>-disp-<function>", one of
>  	"mediatek,<chip>-disp-ovl"   		- overlay (4 layers, blending, csc)
> +	"mediatek,<chip>-disp-ovl-2l"           - overlay (2 layers, blending, csc)

Does a single chip have a mixture of this block doing 2 and 4 layers? If 
not, the <chip> part implies 2 vs. 4 layers.

Rob