Commit c862b78b authored May 10, 2024 by Konrad Dybcio Committed by Bjorn Andersson Jun 07, 2024

arm64: dts: qcom: sm8250: Throttle the GPU when overheating

Add an 85C passive trip point to ensure the thermal framework takes
sufficient action to prevent reaching junction temperature and a
110C critical point to help avoid hw damage.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240510-topic-gpus_are_cool_now-v1-8-ababc269a438@linaro.org

Signed-off-by: Bjorn Andersson <andersson@kernel.org>

parent c6130043

arch/arm64/boot/dts/qcom/sm8250.dtsi

+26 −2

Original line number	Diff line number	Diff line
		@@ -6879,10 +6879,22 @@ map0 {

		trips {
		gpu_top_alert0: trip-point0 {
		temperature = <85000>;
		hysteresis = <1000>;
		type = "passive";
		};

		trip-point1 {
		temperature = <90000>;
		hysteresis = <2000>;
		hysteresis = <1000>;
		type = "hot";
		};

		trip-point2 {
		temperature = <110000>;
		hysteresis = <1000>;
		type = "critical";
		};
		};
		};

		@@ -7012,10 +7024,22 @@ map0 {

		trips {
		gpu_bottom_alert0: trip-point0 {
		temperature = <85000>;
		hysteresis = <1000>;
		type = "passive";
		};

		trip-point1 {
		temperature = <90000>;
		hysteresis = <2000>;
		hysteresis = <1000>;
		type = "hot";
		};

		trip-point2 {
		temperature = <110000>;
		hysteresis = <1000>;
		type = "critical";
		};
		};
		};
		};