[PATCH v5 3/5] thermal: devfreq_cooling: Use PM QoS to set frequency limits

Daniel Lezcano daniel.lezcano at linaro.org
Fri Apr 3 16:43:20 UTC 2020


On 18/03/2020 12:45, Lukasz Luba wrote:
> From: Matthias Kaehlcke <mka at chromium.org>
> 
> Now that devfreq supports limiting the frequency range of a device
> through PM QoS make use of it instead of disabling OPPs that should
> not be used.
> 
> The switch from disabling OPPs to PM QoS introduces a subtle behavioral
> change in case of conflicting requests (min > max): PM QoS gives
> precedence to the MIN_FREQUENCY request, while higher OPPs disabled
> with dev_pm_opp_disable() would override MIN_FREQUENCY.
> 
> Signed-off-by: Matthias Kaehlcke <mka at chromium.org>
> Reviewed-by: Lukasz Luba <lukasz.luba at arm.com>
> Reviewed-by: Chanwoo Choi <cw00.choi at samsung.com>

This patch is standalone, right? If yes, I will apply it.



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