linux-kernel - Re: [PATCH v4 3/4] arm64: dts: qcom: sm8650: harmonize all unregulated thermal trip points

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <88e76385-c914-44a2-847b-09013cf4e752@oss.qualcomm.com>
Date: Tue, 11 Feb 2025 14:34:53 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
        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 v4 3/4] arm64: dts: qcom: sm8650: harmonize all
 unregulated thermal trip points

On 3.02.2025 2:23 PM, Neil Armstrong wrote:
> While the CPUs thermal is handled by the LMH, and GPU has a passive
> cooldowm via the HLOS DCVS, all the other thermal blocks only have
> hot and critical and no passive/active trip points.
> 
> Passive or active thermal management for those blocks should
> be either defined if somehow we can express those in DT or
> in the board definition if there's an active cooling device
> available.
> 
> The tsens MAX_THRESHOLD is set to 120C on those platforms, so set
> the hot to 110C to leave a chance to HLOS to react and critical to
> 115C to avoid the monitor thermal shutdown.
> 
> In the case a passive or active cooling device would be
> available, the downstream reference implementation uses
> the 95C "tj" trip point, as we already use for the
> gpuss thermal blocks.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad