linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sm8550: Add missing RPMhPD OPP levels

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Date:   Wed, 17 May 2023 16:25:07 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm8550: Add missing RPMhPD OPP levels

On Wed, 17 May 2023 at 16:20, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> We need more granularity for things like the GPU. Add the missing levels.
>
> This unfortunately requires some re-indexing, resulting in an ugly diff.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 36 ++++++++++++++++++++++++++++--------
>  1 file changed, 28 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 6e9bad8f6f33..0c987dd4e4e5 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -3616,35 +3616,55 @@ rpmhpd_opp_min_svs: opp2 {
>                                                 opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
>                                         };
>
> -                                       rpmhpd_opp_low_svs: opp3 {
> +                                       rpmhpd_opp_lov_svs_d2: opp3 {
> +                                               opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D2>;
> +                                       };
>

Maybe we should stop using the indices for OPP entries and switch to
encoding levels instead?

-- 
With best wishes
Dmitry