linux-kernel - Re: [PATCH v4, 05/33] dt-bindings: mediatek: add RDMA1 description for mt8183 display

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Message-ID: <20190724201635.GA18345@bogus>
Date:   Wed, 24 Jul 2019 14:16:35 -0600
From:   Rob Herring <robh@...nel.org>
To:     yongqiang.niu@...iatek.com
Cc:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v4, 05/33] dt-bindings: mediatek: add RDMA1 description
 for mt8183 display

On Tue, Jul 09, 2019 at 06:33:45AM +0800, yongqiang.niu@...iatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> This patch add RDMA1 description for mt8183 display
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> ---
>  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 afd3c90..bb9274a 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> @@ -30,6 +30,7 @@ Required properties (all function blocks):
>  	"mediatek,<chip>-disp-ovl"   		- overlay (4 layers, blending, csc)
>  	"mediatek,<chip>-disp-ovl-2l"           - overlay (2 layers, blending, csc)
>  	"mediatek,<chip>-disp-rdma"  		- read DMA / line buffer
> +	"mediatek,<chip>-disp-rdma1"            - function is same with RDMA, fifo size is different

This can't be determined by which chip it is? IOW, a chip may have both 
rdma and rdma1?

>  	"mediatek,<chip>-disp-wdma"  		- write DMA
>  	"mediatek,<chip>-disp-ccorr"            - color correction
>  	"mediatek,<chip>-disp-color" 		- color processor
> -- 
> 1.8.1.1.dirty
>