linux-kernel - Re: [PATCH V2 1/3] dt-bindings: display: mediatek: Update disp

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Message-ID: <YldWhNA6SwNBGXa8@robh.at.kernel.org>
Date:   Wed, 13 Apr 2022 18:02:28 -0500
From:   Rob Herring <robh@...nel.org>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>
Cc:     matthias.bgg@...il.com, yongqiang.niu@...iatek.com,
        allen-kh.cheng@...iatek.com, linux-kernel@...r.kernel.org,
        krzk+dt@...nel.org, airlied@...ux.ie, devicetree@...r.kernel.org,
        nancy.lin@...iatek.com, robh+dt@...nel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, chunkuang.hu@...nel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        p.zabel@...gutronix.de, jason-jh.lin@...iatek.com,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH V2 1/3] dt-bindings: display: mediatek: Update disp_aal
 binding for MT8183

On Mon, 11 Apr 2022 11:58:41 +0800, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> 
> For MT8173, the gamma module is inside disp_aal. When we need to adjust
> gamma value, we need to use "has_gamma" to control gamma function
> inside disp_aal to adjust the gamma value.
> 
> For successors like MT8183, disp_gamma is separated from disp_aal. We
> just need to control disp_gamma directly and don't need to control gamma
> function inside disp_aal.
> 
> With this modification, the driver doesn't require any functional changes.
> We only update the dt-binding and DTS node to make it clear.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../devicetree/bindings/display/mediatek/mediatek,aal.yaml  | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 

Acked-by: Rob Herring <robh@...nel.org>