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 [thread overview]
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
>
next prev parent reply other threads:[~2020-07-29 19:32 UTC|newest]
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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