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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Rajendra Nayak <rnayak@codeaurora.org>
Cc: stanimir.varbanov@linaro.org, robh+dt@kernel.org,
	agross@kernel.org, linux-arm-msm@vger.kernel.org,
	linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, mka@chromium.org
Subject: Re: [PATCH v5 1/5] dt-bindings: media: venus: Add an optional power domain for perf voting
Date: Wed, 29 Jul 2020 12:28:28 -0700
Message-ID: <20200729192828.GH229995@builder.lan> (raw)
In-Reply-To: <1596007005-30425-2-git-send-email-rnayak@codeaurora.org>

On Wed 29 Jul 00:16 PDT 2020, Rajendra Nayak wrote:

> Venus needs to vote for the performance state of a power domain (cx)
> to be able to support DVFS. This 'cx' power domain is controlled by
> rpmh and is a common power domain (scalable) not specific to
> venus alone. This is optional in the sense that, leaving this power
> domain out does not really impact the functionality but just makes
> the platform a little less power efficient.
> 
> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
> Reviewed-by: Rob Herring <robh@kernel.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.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 55f2d67..04e303b 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: cx
>  
>    clocks:
>      maxItems: 5
> diff --git a/Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml b/Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml
> index 157dff8..90013d4 100644
> --- a/Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml
> +++ b/Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml
> @@ -25,13 +25,17 @@ properties:
>      maxItems: 1
>  
>    power-domains:
> -    maxItems: 3
> +    minItems: 3
> +    maxItems: 4
>  
>    power-domain-names:
> +    minItems: 3
> +    maxItems: 4
>      items:
>        - const: venus
>        - const: vcodec0
>        - const: vcodec1
> +      - const: cx
>  
>    clocks:
>      maxItems: 7
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 

  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29  7:16 [PATCH v5 0/5] DVFS support for Venus Rajendra Nayak
2020-07-29  7:16 ` [PATCH v5 1/5] dt-bindings: media: venus: Add an optional power domain for perf voting Rajendra Nayak
2020-07-29 19:28   ` Bjorn Andersson [this message]
2020-07-29  7:16 ` [PATCH v5 2/5] media: venus: core: Fix error handling in probe Rajendra Nayak
2020-07-29 19:30   ` Bjorn Andersson
2020-07-29  7:16 ` [PATCH v5 3/5] media: venus: core: Add support for opp tables/perf voting Rajendra Nayak
2020-07-29 20:03   ` Bjorn Andersson
2020-07-29  7:16 ` [PATCH v5 4/5] arm64: dts: sdm845: Add OPP tables and power-domains for venus Rajendra Nayak
2020-07-29  7:16 ` [PATCH v5 5/5] arm64: dts: sc7180: " Rajendra Nayak

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