Hi Daniel,
Am Freitag, 1. Oktober 2021, 18:17:28 CEST schrieb Daniel Lezcano:
> The thermal framework accepts now the cpu idle cooling device as an
> alternative when the cpufreq cooling device fails.
>
> Add the node in the DT so the cooling devices will be present and the
> platforms can extend the thermal zone definition to add them.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index 3871c7fd83b0..9ac232ffd284 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -124,6 +124,11 @@ cpu_b0: cpu@100 {
> #cooling-cells = <2>; /* min followed by max */
> dynamic-power-coefficient = <436>;
> cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> + thermal-idle {
> + #cooling-cells = <2>;
> + duration-us = <10000>;
> + exit-latency-us = <500>;
> + };
I guess the basic question would be where do the duration
and exit-latency values come from. And also what happened
to cpu_l0-l3 (aka the little cores)?
Heiko
> };
>
> cpu_b1: cpu@101 {
> @@ -136,6 +141,11 @@ cpu_b1: cpu@101 {
> #cooling-cells = <2>; /* min followed by max */
> dynamic-power-coefficient = <436>;
> cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> + thermal-idle {
> + #cooling-cells = <2>;
> + duration-us = <10000>;
> + exit-latency-us = <500>;
> + };
> };
>
> idle-states {
>
