Commit f7fd6d04 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: sc8280xp: Throttle the GPU when overheating 



Add an 85C passive trip point with 1C of hysteresis to ensure the
thermal framework takes sufficient action to prevent reaching junction
temperature. Also, add passive polling to ensure more than one
temperature change event is recorded.

Fixes: 014bbc99 ("arm64: dts: qcom: sc8280xp: Introduce additional tsens instances")
Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240510-topic-gpus_are_cool_now-v1-2-ababc269a438@linaro.org


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 7c05517e

arch/arm64/boot/dts/qcom/sc8280xp.dtsi

+16 −1
Original line number Diff line number Diff line
@@ -6004,10 +6004,25 @@ cpu-crit { 
		};



		gpu-thermal {

			polling-delay-passive = <250>;



			thermal-sensors = <&tsens2 2>;



			cooling-maps {

				map0 {

					trip = <&gpu_alert0>;

					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;

				};

			};



			trips {

				gpu-crit {

				gpu_alert0: trip-point0 {

					temperature = <85000>;

					hysteresis = <1000>;

					type = "passive";

				};



				trip-point1 {

					temperature = <110000>;

					hysteresis = <1000>;

					type = "critical";