linux-kernel - Re: [PATCH] arm64: dts: qcom: sm6350: Add tsens thermal zones

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Date: Thu, 25 Jan 2024 17:30:08 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Luca Weiss <luca.weiss@...rphone.com>,
 Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm6350: Add tsens thermal zones



On 1/24/24 16:31, Luca Weiss wrote:
> Add the definitions for the various thermal zones found on the SM6350
> SoC. Hooking up GPU and CPU cooling can limit the clock speeds there to
> reduce the temperature again to good levels.
> 
> Most thermal zones only have one critical temperature configured at
> 125°C which can be mostly considered a placeholder until those zones can
> be hooked up to cooling.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---

[...]

> +		cpuss0-thermal {
> +			polling-delay-passive = <0>;
> +			polling-delay = <0>;
> +
> +			thermal-sensors = <&tsens0 7>;

cpuss0-thermal and cpuss1-thermal are very likely the sensors for
cluster0/1, can you test that out, perhaps with corepinning+stress?

You can then assign multiple cpu cooling devices.

LGTM otherwise!


Konrad