linux-kernel - Re: [PATCH 2/8] arm64: dts: mt8183: add/update dynamic power coefficients

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Message-ID: <CAJMQK-jujDXt18M8610G4GpHdrikTD0ZZG_=C2YTt63UfxuHuQ@mail.gmail.com>
Date:   Fri, 3 May 2019 15:16:29 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     "michael.kao" <michael.kao@...iatek.com>
Cc:     fan.chen@...iatek.com, jamesjj.liao@...iatek.com,
        dawei.chien@...iatek.com, louis.yu@...iatek.com,
        roger.lu@...iatek.com, Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/8] arm64: dts: mt8183: add/update dynamic power coefficients

On Thu, May 2, 2019 at 10:43 AM michael.kao <michael.kao@...iatek.com> wrote:
>
> Add dynamic power coefficients for all cores and update those of
> CPU0 and CPU4.
>
> Signed-off-by: Michael.Kao <michael.kao@...iatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index b92116f..5668fb8 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -58,6 +58,8 @@
>                         compatible = "arm,cortex-a53";
>                         reg = <0x000>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <84>;
> +                       #cooling-cells = <2>;
Should this line be in [3/8] arm64: dts: mt8183: Add #cooling-cells to
CPU nodes?

>                 };
>
>                 cpu1: cpu@1 {
> @@ -65,6 +67,8 @@
>                         compatible = "arm,cortex-a53";
>                         reg = <0x001>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <84>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu2: cpu@2 {
> @@ -72,6 +76,8 @@
>                         compatible = "arm,cortex-a53";
>                         reg = <0x002>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <84>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu3: cpu@3 {
> @@ -79,6 +85,8 @@
>                         compatible = "arm,cortex-a53";
>                         reg = <0x003>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <84>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu4: cpu@100 {
> @@ -86,6 +94,8 @@
>                         compatible = "arm,cortex-a73";
>                         reg = <0x100>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <211>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu5: cpu@101 {
> @@ -93,6 +103,8 @@
>                         compatible = "arm,cortex-a73";
>                         reg = <0x101>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <211>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu6: cpu@102 {
> @@ -100,6 +112,8 @@
>                         compatible = "arm,cortex-a73";
>                         reg = <0x102>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <211>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu7: cpu@103 {
> @@ -107,6 +121,8 @@
>                         compatible = "arm,cortex-a73";
>                         reg = <0x103>;
>                         enable-method = "psci";
> +                       dynamic-power-coefficient = <211>;
> +                       #cooling-cells = <2>;
>                 };
>         };
>