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

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Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org>
Date:   Wed, 6 Apr 2022 16:44:16 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>, chunkuang.hu@...nel.org,
        robh+dt@...nel.org, krzk+dt@...nel.org
Cc:     matthias.bgg@...il.com, p.zabel@...gutronix.de, airlied@...ux.ie,
        yongqiang.niu@...iatek.com, jason-jh.lin@...iatek.com,
        nancy.lin@...iatek.com, allen-kh.cheng@...iatek.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal
 binding for MT8183

On 06/04/2022 11:46, Rex-BC Chen wrote:
> The driver data of MT8183 and MT8173 are different.
> The value of has_gamma for MT8173 is true while the value of MT8183 is
> false. Therefore, the compatible of disp_aal for MT8183 is not suitable
> for the compatible for MT8173.

Just because one feature is not supported, it does not mean they are
incompatible, which you claim in the patch below. Are you sure they are
really incompatible and MT8173 fallback cannot be used?


Best regards,
Krzysztof