[PATCH v5 3/3] ARM: dts: sun8i-r40: Add thermal trip points/cooling maps
Samuel Holland
samuel at sholland.org
Mon Jul 4 22:07:49 PDT 2022
On 5/16/22 8:36 PM, qianfanguijin at 163.com wrote:
> From: qianfan Zhao <qianfanguijin at 163.com>
>
> For the trip points, I used values from the BSP code.
>
> The critical trip point value is 30°C above the maximum recommended
> ambient temperature (85°C) for the SoC from the datasheet, so there's
> some headroom even at such a high ambient temperature.
>
> Signed-off-by: qianfan Zhao <qianfanguijin at 163.com>
Reviewed-by: Samuel Holland <samuel at sholland.org>
Tested-by: Samuel Holland <samuel at sholland.org>
which took quite a while to hit the passive trip point:
# cat /sys/class/thermal/cooling_device0/stats/time_in_state_ms
state0 1374892
state1 1499
state2 0
state3 0
state4 0
More information about the linux-arm-kernel
mailing list