diff mbox series

[02/12] arm64: dts: qcom: sc8280xp: Throttle the GPU when overheating

Message ID 20240510-topic-gpus_are_cool_now-v1-2-ababc269a438@linaro.org (mailing list archive)
State Accepted
Commit f7fd6d04c1046107a87a0fc883ed044cf8b877a1
Headers show
Series Adreno cooling, take 2 | expand

Commit Message

Konrad Dybcio May 10, 2024, 12:58 p.m. UTC 
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: 014bbc990e27 ("arm64: dts: qcom: sc8280xp: Introduce additional tsens instances")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index f63951186a5b..65c444cce00c 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -5956,10 +5956,25 @@  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";