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SubjectRe: [PATCH v2 9/9] arm64: dts: msm8996: Add proper capacity scaling for the cpus
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On 21/05/2019 11:35, Amit Kucheria wrote:
> msm8996 features 4 cpus - 2 in each cluster. However, all cpus implement
> the same microarchitecture and the two clusters only differ in the
> maximum frequency attainable by the CPUs.
>
> Add capacity-dmips-mhz property to allow the topology code to determine
> the actual capacity by taking into account the highest frequency for
> each CPU.
>
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

> ---
> arch/arm64/boot/dts/qcom/msm8996.dtsi | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index 4f2fb7885f39..e0e8f30ce11a 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -96,6 +96,7 @@
> reg = <0x0 0x0>;
> enable-method = "psci";
> cpu-idle-states = <&CPU_SLEEP_0>;
> + capacity-dmips-mhz = <1024>;
> next-level-cache = <&L2_0>;
> L2_0: l2-cache {
> compatible = "cache";
> @@ -109,6 +110,7 @@
> reg = <0x0 0x1>;
> enable-method = "psci";
> cpu-idle-states = <&CPU_SLEEP_0>;
> + capacity-dmips-mhz = <1024>;
> next-level-cache = <&L2_0>;
> };
>
> @@ -118,6 +120,7 @@
> reg = <0x0 0x100>;
> enable-method = "psci";
> cpu-idle-states = <&CPU_SLEEP_0>;
> + capacity-dmips-mhz = <1024>;
> next-level-cache = <&L2_1>;
> L2_1: l2-cache {
> compatible = "cache";
> @@ -131,6 +134,7 @@
> reg = <0x0 0x101>;
> enable-method = "psci";
> cpu-idle-states = <&CPU_SLEEP_0>;
> + capacity-dmips-mhz = <1024>;
> next-level-cache = <&L2_1>;
> };
>
>


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