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 0f437fcb661cc64a58f2024df10825db8c5873ee..0c47ef99aadef07b2e0f45296a3edb727dfaa32f 100644 (file)
--- 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 {