arm64: dts: qcom: sm8250: Hook up GPU cooling device

In order to allow for throttling the GPU, hook up the cooling device
to the respective thermal zones. Also, update the trip point label
to be more telling, while at it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240102-topic-gpu_cooling-v1-8-fda30c57e353@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index eaaf13b7b15b8e6a08b8fa528e5e2c23dc9f5c5d..ea2ea0f99f83914657fe9820f2590d6a1677674e 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -2888,6 +2888,7 @@
 
                        nvmem-cells = <&gpu_speed_bin>;
                        nvmem-cell-names = "speed_bin";
+                       #cooling-cells = <2>;
 
                        status = "disabled";
 
@@ -6795,8 +6796,15 @@
 
                        thermal-sensors = <&tsens0 15>;
 
+                       cooling-maps {
+                               map0 {
+                                       trip = <&gpu_top_alert0>;
+                                       cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+
                        trips {
-                               gpu1_alert0: trip-point0 {
+                               gpu_top_alert0: trip-point0 {
                                        temperature = <90000>;
                                        hysteresis = <2000>;
                                        type = "hot";
@@ -6930,8 +6938,15 @@
 
                        thermal-sensors = <&tsens1 8>;
 
+                       cooling-maps {
+                               map0 {
+                                       trip = <&gpu_bottom_alert0>;
+                                       cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+
                        trips {
-                               gpu2_alert0: trip-point0 {
+                               gpu_bottom_alert0: trip-point0 {
                                        temperature = <90000>;
                                        hysteresis = <2000>;
                                        type = "hot";