From: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Date: Wed, 11 Mar 2026 23:09:55 +0000 (+0530)
Subject: arm64: dts: qcom: talos: Add GPU cooling
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a74c7b347d7e1094bf16e5053889c9ba4d9a3ac5;p=thirdparty%2Flinux.git

arm64: dts: qcom: talos: Add GPU cooling

Unlike the CPU, the GPU does not throttle its speed automatically when it
reaches high temperatures.

Set up GPU cooling by throttling the GPU speed when it reaches 105°C.

Signed-off-by: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260312-qcs615-spin-2-v8-3-fca38edcd6e6@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index 0f437fcb661cc..0c47ef99aadef 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -19,6 +19,7 @@
 #include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/power/qcom,rpmhpd.h>
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -4985,12 +4986,25 @@
 			thermal-sensors = <&tsens0 9>;
 
 			trips {
+				gpu_alert0: trip-point0 {
+					temperature = <105000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
 				gpu-critical {
 					temperature = <115000>;
 					hysteresis = <1000>;
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		q6-hvx-thermal {