6.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Konrad Dybcio konrad.dybcio@linaro.org
[ Upstream commit e388421387e8b1b51c507883aaf13f40277fe137 ]
All of the thermal zone suppliers are interrupt-driven, remove the bogus and unnecessary polling that only wastes CPU time.
Signed-off-by: Konrad Dybcio konrad.dybcio@linaro.org Link: https://lore.kernel.org/r/20240510-topic-msm-polling-cleanup-v2-19-436ca4218... Signed-off-by: Bjorn Andersson andersson@kernel.org Stable-dep-of: f7fd6d04c104 ("arm64: dts: qcom: sc8280xp: Throttle the GPU when overheating") Signed-off-by: Sasha Levin sashal@kernel.org --- .../boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 2 +- arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi | 4 ++-- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 13 ------------- 3 files changed, 3 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index 4bf99b6b6e5fb..6b759e67f4d3d 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -299,7 +299,7 @@ linux,cma { thermal-zones { skin-temp-thermal { polling-delay-passive = <250>; - polling-delay = <0>; + thermal-sensors = <&pmk8280_adc_tm 5>;
trips { diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi index 945de77911de1..1e3babf2e40d8 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi @@ -14,7 +14,7 @@ / { thermal-zones { pm8280_1_thermal: pm8280-1-thermal { polling-delay-passive = <100>; - polling-delay = <0>; + thermal-sensors = <&pm8280_1_temp_alarm>;
trips { @@ -34,7 +34,7 @@ trip1 {
pm8280_2_thermal: pm8280-2-thermal { polling-delay-passive = <100>; - polling-delay = <0>; + thermal-sensors = <&pm8280_2_temp_alarm>;
trips { diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 59f0a850671a3..de554d5d02010 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -5833,7 +5833,6 @@ sound: sound { thermal-zones { cpu0-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 1>;
@@ -5848,7 +5847,6 @@ cpu-crit {
cpu1-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 2>;
@@ -5863,7 +5861,6 @@ cpu-crit {
cpu2-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 3>;
@@ -5878,7 +5875,6 @@ cpu-crit {
cpu3-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 4>;
@@ -5893,7 +5889,6 @@ cpu-crit {
cpu4-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 5>;
@@ -5908,7 +5903,6 @@ cpu-crit {
cpu5-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 6>;
@@ -5923,7 +5917,6 @@ cpu-crit {
cpu6-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 7>;
@@ -5938,7 +5931,6 @@ cpu-crit {
cpu7-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 8>;
@@ -5953,7 +5945,6 @@ cpu-crit {
cluster0-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens0 9>;
@@ -5967,9 +5958,6 @@ cpu-crit { };
gpu-thermal { - polling-delay-passive = <0>; - polling-delay = <0>; - thermal-sensors = <&tsens2 2>;
trips { @@ -5983,7 +5971,6 @@ gpu-crit {
mem-thermal { polling-delay-passive = <250>; - polling-delay = <1000>;
thermal-sensors = <&tsens1 15>;