linux-kernel - Re: [PATCH v7 02/16] dt-bindings: media: mediatek: mdp3: merge the indentical RDMA under display

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Date:   Fri, 13 Oct 2023 08:46:07 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Moudy Ho <moudy.ho@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v7 02/16] dt-bindings: media: mediatek: mdp3: merge the
 indentical RDMA under display

On 12/10/2023 10:40, Moudy Ho wrote:

>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt8183-mdp3-rdma
> +
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: RDMA clock
> +            - description: RSZ clock (shared SRAM with RDMA)
> +
> +        mboxes:
> +          items:
> +            - description: used for 1st data pipe from RDMA
> +            - description: used for 2nd data pipe from RDMA

interrupts:
  false

> +
> +      required:
> +        - mboxes
> +        - mediatek,gce-events
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt8195-vdo1-rdma
> +
> +    then:
> +      properties:
> +        clocks:
> +          items:
> +            - description: RDMA clock

mboxes: false
mediatek,gce-events: false

I am not so sure it is actually "simpler" to merge these. They are quite
different. You will end up with unmanageable allOf  with a lot of
branches (which supposedly you want to remove).


> +
>  additionalProperties: false
>  
>  examples:

Best regards,
Krzysztof