linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8750: Add capacity and DPC properties

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Message-ID: <6b8b1db7-82df-4397-9e6a-73c6a100e49c@oss.qualcomm.com>
Date: Mon, 29 Dec 2025 12:35:14 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Ankit Sharma <ankit.sharma@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8750: Add capacity and DPC properties

On 12/26/25 1:32 PM, Ankit Sharma wrote:
> The "capacity-dmips-mhz" and "dynamic-power-coefficient" are
> used to build Energy Model which in turn is used by EAS to take
> placement decisions.
> 
> Signed-off-by: Ankit Sharma <ankit.sharma@....qualcomm.com>
> ---

Is it really necessary? Does our CPUFREQ-via-SCMI service not provide
energy model data?

(see: drivers/cpufreq/scmi-cpufreq.c : scmi_cpufreq_register_em())

Konrad