Dne ponedeljek, 05. september 2022 ob 19:15:58 CEST je Clément Péron
napisal(a):
> 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@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 51 +++++++++++++++++++-
> 1 file 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..1259ab0c3956 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -186,6 +186,7 @@ gpu: gpu@1800000 {
> 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 @@ map0 {
> };
>
> 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 {
> + // Fordid the GPU to go over
756MHz
Typo: Fordid -> Forbid
Also next below.
Best regards,
Jernej
> + map0 {
> + trip = <&gpu_alert0>;
> + cooling-device = <&gpu
> 1 THERMAL_NO_LIMIT>;
> + };
> +
> + // Fordid the GPU to go over
> 624MHz
> + map1 {
> + trip = <&gpu_alert1>;
> + cooling-device = <&gpu
> 2 THERMAL_NO_LIMIT>;
> + };
> +
> + // Fordid the GPU to go over
> 576MHz
> + map2 {
> + trip = <&gpu_alert2>;
> + cooling-device = <&gpu
> 3 THERMAL_NO_LIMIT>;
> + };
> + };
> };
> };
> };
> --
> 2.34.1
