diff options
| author | Clément Péron <peron.clem@gmail.com> | 2022-09-06 18:30:31 +0300 |
|---|---|---|
| committer | Jernej Skrabec <jernej.skrabec@gmail.com> | 2022-09-08 23:04:15 +0300 |
| commit | a067916d20bd52bd7c13af02bda1eb4f93e68539 (patch) | |
| tree | 14d4b4f2f97649d040c84e608b6e9d8e5adfdbb1 /arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | |
| parent | 5db5663cdf369b3575dae464cdcda0233ab19f44 (diff) | |
| download | linux-a067916d20bd52bd7c13af02bda1eb4f93e68539.tar.xz | |
arm64: dts: allwinner: h6: Add cooling map for GPU
Add a simple cooling map for the GPU.
This cooling map come from the vendor kernel 4.9 with a
2°C hysteresis added.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220906153034.153321-3-peron.clem@gmail.com
Diffstat (limited to 'arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 5a28303d3d4c..53f6660656ac 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -186,6 +186,7 @@ clocks = <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>; clock-names = "core", "bus"; resets = <&ccu RST_BUS_GPU>; + #cooling-cells = <2>; status = "disabled"; }; @@ -1072,9 +1073,55 @@ }; gpu-thermal { - polling-delay-passive = <0>; - polling-delay = <0>; + polling-delay-passive = <1000>; + polling-delay = <2000>; thermal-sensors = <&ths 1>; + + trips { + gpu_alert0: gpu-alert-0 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; + }; + + gpu_alert1: gpu-alert-1 { + temperature = <100000>; + hysteresis = <2000>; + type = "passive"; + }; + + gpu_alert2: gpu-alert-2 { + temperature = <105000>; + hysteresis = <2000>; + type = "passive"; + }; + + gpu-crit { + temperature = <115000>; + hysteresis = <0>; + type = "critical"; + }; + }; + + cooling-maps { + // Forbid the GPU to go over 756MHz + map0 { + trip = <&gpu_alert0>; + cooling-device = <&gpu 1 THERMAL_NO_LIMIT>; + }; + + // Forbid the GPU to go over 624MHz + map1 { + trip = <&gpu_alert1>; + cooling-device = <&gpu 2 THERMAL_NO_LIMIT>; + }; + + // Forbid the GPU to go over 576MHz + map2 { + trip = <&gpu_alert2>; + cooling-device = <&gpu 3 THERMAL_NO_LIMIT>; + }; + }; }; }; }; |