linux-kernel - Re: [PATCH 15/21] dt-bindings: soc: mediatek: add display mutex for MT8365 SoC

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Message-ID: <37c2c7de-792e-0289-4551-24bbb9fe31d9@linaro.org>
Date:   Wed, 15 Mar 2023 14:17:19 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alexandre Mergnat <amergnat@...libre.com>
Cc:     Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sam Ravnborg <sam@...nborg.org>,
        Rob Herring <robh+dt@...nel.org>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        David Airlie <airlied@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Xinlei Lee <xinlei.lee@...iatek.com>,
        Guillaume La Roque <glaroque@...libre.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org,
        Fabien Parent <fparent@...libre.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/21] dt-bindings: soc: mediatek: add display mutex for
 MT8365 SoC

On 15/03/2023 09:01, Alexandre Mergnat wrote:
> Le ven. 10 mars 2023 à 09:39, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> a écrit :
>>
>> On 09/03/2023 15:23, Alexandre Mergnat wrote:
>>> Add compatible for the MT8365 SoC.
>>>
>>> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
>>> ---
>>>  Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml
>>> index ca0ca549257d..931d66893dff 100644
>>> --- a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml
>>> +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml
>>> @@ -34,6 +34,7 @@ properties:
>>>        - mediatek,mt8186-mdp3-mutex
>>>        - mediatek,mt8192-disp-mutex
>>>        - mediatek,mt8195-disp-mutex
>>> +      - mediatek,mt8365-disp-mutex
>>
>> All these look compatible. Either make mt8635 compatible with something
>> or even rework entire list and make everything compatible.
> 
> All of them use "mtk_mutec.c" but have specific data.
> 
>       .data = &mt8173_mutex_driver_data},
>     { .compatible = "mediatek,mt8183-disp-mutex",
>       .data = &mt8183_mutex_driver_data},
>     { .compatible = "mediatek,mt8186-disp-mutex",
>       .data = &mt8186_mutex_driver_data},
>     { .compatible = "mediatek,mt8186-mdp3-mutex",
>       .data = &mt8186_mdp_mutex_driver_data},
>     { .compatible = "mediatek,mt8192-disp-mutex",
>       .data = &mt8192_mutex_driver_data},
>     { .compatible = "mediatek,mt8195-disp-mutex",
>       .data = &mt8195_mutex_driver_data},
>     { .compatible = "mediatek,mt8365-disp-mutex",
>       .data = &mt8365_mutex_driver_data},
> 
> I don't see any SoC compatible with mt8635, and I have no idea which
> rework you have in mind. Can you please point me an example ?

You are right, I looked at wrong of_device_id.

Best regards,
Krzysztof