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From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Fri, 10 May 2024 14:58:32 +0200
Subject: [PATCH 03/12] arm64: dts: qcom: sdm630: Throttle the GPU when
 overheating
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Message-Id: <20240510-topic-gpus_are_cool_now-v1-3-ababc269a438@linaro.org>
References: <20240510-topic-gpus_are_cool_now-v1-0-ababc269a438@linaro.org>
In-Reply-To: <20240510-topic-gpus_are_cool_now-v1-0-ababc269a438@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Johan Hovold <johan+linaro@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, Bjorn Andersson <quic_bjorande@quicinc.com>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>

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>
---
 arch/arm64/boot/dts/qcom/sdm630.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index 7702d42e82c1..a46dbe725e54 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -2582,10 +2582,22 @@ map0 {
 
 			trips {
 				gpu_alert0: trip-point0 {
+					temperature = <85000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+
+				trip-point1 {
 					temperature = <90000>;
 					hysteresis = <1000>;
 					type = "hot";
 				};
+
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
 			};
 		};
 	};

-- 
2.40.1