linux-kernel - Re: [PATCH v2] dt-bindings: media: venus: Add an optional power domain for perf voting

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Message-ID: <20200527193638.GA2604206@bogus>
Date:   Wed, 27 May 2020 13:36:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     stanimir.varbanov@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, mka@...omium.org
Subject: Re: [PATCH v2] dt-bindings: media: venus: Add an optional power
 domain for perf voting

On Wed, May 13, 2020 at 11:33:27AM +0530, Rajendra Nayak wrote:
> Add an optional power domain which when specified can be used for
> setting the performance state of Venus.
> 
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> ---
>  Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml    | 6 +++++-
>  Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml | 6 +++++-
>  2 files changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
> index 764affa..ac1ed64 100644
> --- a/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
> +++ b/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
> @@ -25,12 +25,16 @@ properties:
>      maxItems: 1
>  
>    power-domains:
> -    maxItems: 2
> +    minItems: 2
> +    maxItems: 3
>  
>    power-domain-names:
> +    minItems: 2
> +    maxItems: 3
>      items:
>        - const: venus
>        - const: vcodec0
> +      - const: opp-pd

Humm, looks suspicious. This is a phyical power island in this block? 
Because that's what 'power-domains' are supposed to represent. Not $os 
pm-domain construct.

Rob