linux-kernel - Re: [PATCH 1/5] dt-bindings: display/msm: dpu-msm8998: add missing DPU opp-table

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Date:   Sun, 14 Aug 2022 15:25:17 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Del Regno <angelogioacchino.delregno@...ainline.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: display/msm: dpu-msm8998: add missing
 DPU opp-table

On Thu, Aug 11, 2022 at 11:43:27AM +0300, Krzysztof Kozlowski wrote:
> The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
> opp-table, so reference it which allows restricting DPU schema to fixed
> list of properties.
> 
> Fixes: 6e986a8f1cf1 ("dt-bindings: display: msm: Add binding for msm8998 dpu")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Cc: Rob Clark <robdclark@...il.com>
> Cc: Sean Paul <sean@...rly.run>
> Cc: Abhinav Kumar <quic_abhinavk@...cinc.com>
> ---
>  Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml b/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
> index 2df64afb76e6..7ed438bc7dce 100644
> --- a/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
> @@ -62,6 +62,7 @@ patternProperties:
>    "^display-controller@[0-9a-f]+$":
>      type: object
>      description: Node containing the properties of DPU.
> +    additionalProperties: false
>  
>      properties:
>        compatible:
> @@ -105,6 +106,8 @@ patternProperties:
>          maxItems: 1
>  
>        operating-points-v2: true
> +      opp-table: true

type: object

Otherwise, 'opp-table;' would be accepted.

> +
>        ports:
>          $ref: /schemas/graph.yaml#/properties/ports
>          description: |
> -- 
> 2.34.1
> 
>