From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Fri, 10 May 2024 12:58:36 +0000 (+0200)
Subject: arm64: dts: qcom: sm8150: Throttle the GPU when overheating
X-Git-Tag: io_uring-6.11-20240722~96^2~8^2~68
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c61300433b7b89d5782fddf95bd96a6e819c0377;p=linux-block.git

arm64: dts: qcom: sm8150: 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-v1-7-ababc269a438@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index f034145c0675..2471b158c76e 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -5161,10 +5161,22 @@
 
 			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";
+				};
 			};
 		};
 
@@ -5336,10 +5348,22 @@
 
 			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";
+				};
 			};
 		};
 	};