linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: x1e80100: Add GPU cooling

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: <861c7481-eae2-4d49-9bdc-434c0fe462fd@oss.qualcomm.com>
Date: Fri, 21 Feb 2025 20:35:43 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Stephan Gerhold <stephan.gerhold@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Abel Vesa <abel.vesa@...aro.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH 3/4] arm64: dts: qcom: x1e80100: Add GPU cooling

On 19.02.2025 12:36 PM, Stephan Gerhold wrote:
> Unlike the CPU, the GPU does not throttle its speed automatically when it
> reaches high temperatures. With certain high GPU loads it is possible to
> reach the critical hardware shutdown temperature of 120°C, endangering the
> hardware and making it impossible to run certain applications.
> 
> Set up GPU cooling similar to the ACPI tables, by throttling the GPU speed
> when reaching 95°C and polling every 200ms.
> 
> Cc: stable@...r.kernel.org
> Fixes: 721e38301b79 ("arm64: dts: qcom: x1e80100: Add gpu support")
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---

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

Konrad