linux-kernel - [PATCH 05/12] arm64: dts: qcom: sm6115: Update GPU thermal zone settings

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Message-Id: <20240510-topic-gpus_are_cool_now-v1-5-ababc269a438@linaro.org>
Date: Fri, 10 May 2024 14:58:34 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Johan Hovold <johan+linaro@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Bjorn Andersson <quic_bjorande@...cinc.com>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 05/12] arm64: dts: qcom: sm6115: Update GPU thermal zone
 settings

Lower the thresholds to something more reasonable and introduce a
passive polling delay to make sure more than one "passive" thermal point
is taken into account when throttling.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm6115.dtsi | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 0a0bb5310849..afa08dd0dd69 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -3323,6 +3323,8 @@ trip-point1 {
 		};
 
 		gpu-thermal {
+			polling-delay-passive = <250>;
+
 			thermal-sensors = <&tsens0 15>;
 
 			cooling-maps {
@@ -3334,13 +3336,13 @@ map0 {
 
 			trips {
 				gpu_alert0: trip-point0 {
-					temperature = <115000>;
-					hysteresis = <5000>;
+					temperature = <85000>;
+					hysteresis = <1000>;
 					type = "passive";
 				};
 
 				trip-point1 {
-					temperature = <125000>;
+					temperature = <110000>;
 					hysteresis = <1000>;
 					type = "critical";
 				};

-- 
2.40.1