From: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
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>
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/talos.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index 6880630e6735..606f5e234e4a 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -18,6 +18,7 @@
#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>;
@@ -4844,12 +4845,25 @@ gpu-thermal {
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 {
--
2.51.0