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From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Fri, 10 May 2024 14:58:40 +0200
Subject: [PATCH 11/12] arm64: dts: qcom: sm8550: Throttle the GPU when
 overheating
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Message-Id: <20240510-topic-gpus_are_cool_now-v1-11-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.

Remove the copypasta-from-downstream userspace governor entries while
at it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 208 ++++++++++++++---------------------
 1 file changed, 80 insertions(+), 128 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 51c547872438..23f769a5b1d4 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -5367,34 +5367,28 @@ gpuss-0-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu0_junction_config>;
+					trip = <&gpu0_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu0_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu0_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5406,34 +5400,28 @@ gpuss-1-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu1_junction_config>;
+					trip = <&gpu1_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu1_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu1_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5445,34 +5433,28 @@ gpuss-2-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu2_junction_config>;
+					trip = <&gpu2_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu2_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu2_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5484,34 +5466,28 @@ gpuss-3-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu3_junction_config>;
+					trip = <&gpu3_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu3_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu3_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5523,34 +5499,28 @@ gpuss-4-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu4_junction_config>;
+					trip = <&gpu4_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu4_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu4_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5562,34 +5532,28 @@ gpuss-5-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu5_junction_config>;
+					trip = <&gpu5_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu5_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu5_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5601,34 +5565,28 @@ gpuss-6-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu6_junction_config>;
+					trip = <&gpu6_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu6_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu6_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};
@@ -5640,34 +5598,28 @@ gpuss-7-thermal {
 
 			cooling-maps {
 				map0 {
-					trip = <&gpu7_junction_config>;
+					trip = <&gpu7_alert0>;
 					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 				};
 			};
 
 			trips {
-				thermal-engine-config {
-					temperature = <125000>;
+				gpu7_alert0: trip-point0 {
+					temperature = <85000>;
 					hysteresis = <1000>;
 					type = "passive";
 				};
 
-				thermal-hal-config {
-					temperature = <125000>;
+				trip-point1 {
+					temperature = <90000>;
 					hysteresis = <1000>;
-					type = "passive";
-				};
-
-				reset-mon-config {
-					temperature = <115000>;
-					hysteresis = <5000>;
-					type = "passive";
+					type = "hot";
 				};
 
-				gpu7_junction_config: junction-config {
-					temperature = <95000>;
-					hysteresis = <5000>;
-					type = "passive";
+				trip-point2 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
 				};
 			};
 		};

-- 
2.40.1