From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/4] arm64: dts: qcom: sm8650: setup gpu thermal with higher temperatures
Date: Mon, 3 Feb 2025 14:31:34 +0100 [thread overview]
Message-ID: <e1f066f2-d8ff-457d-8d10-c08b525013c1@oss.qualcomm.com> (raw)
In-Reply-To: <20250203-topic-sm8650-thermal-cpu-idle-v4-2-65e35f307301@linaro.org>
On 3.02.2025 2:23 PM, Neil Armstrong wrote:
> On the SM8650, the dynamic clock and voltage scaling (DCVS) for the GPU
> is done from the HLOS, but the GPU can achieve a much higher temperature
> before failing according the reference downstream implementation.
>
> Set higher temperatures in the GPU trip points corresponding to
> the temperatures provided by Qualcomm in the dowstream source, much
> closer to the junction temperature and with a higher critical
> temperature trip in the case the HLOS DCVS cannot handle the
> temperature surge.
>
> 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.
>
> Fixes: 497624ed5506 ("arm64: dts: qcom: sm8650: Throttle the GPU when overheating")
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Konrad
next prev parent reply other threads:[~2025-02-03 13:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-03 13:23 [PATCH v4 0/4] arm64: dts: qcom: sm8650: rework CPU & GPU thermal zones Neil Armstrong
2025-02-03 13:23 ` [PATCH v4 1/4] arm64: dts: qcom: sm8650: drop cpu thermal passive trip points Neil Armstrong
2025-02-03 13:29 ` Konrad Dybcio
2025-02-03 13:23 ` [PATCH v4 2/4] arm64: dts: qcom: sm8650: setup gpu thermal with higher temperatures Neil Armstrong
2025-02-03 13:31 ` Konrad Dybcio [this message]
2025-02-03 13:53 ` Konrad Dybcio
2025-02-03 13:23 ` [PATCH v4 3/4] arm64: dts: qcom: sm8650: harmonize all unregulated thermal trip points Neil Armstrong
2025-02-11 13:34 ` Konrad Dybcio
2025-02-03 13:23 ` [PATCH v4 4/4] arm64: dts: qcom: sm8650: drop remaining polling-delay-passive properties Neil Armstrong
2025-02-26 13:40 ` [PATCH v4 0/4] arm64: dts: qcom: sm8650: rework CPU & GPU thermal zones Bjorn Andersson
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