Messages in this thread | | | Subject | Re: [PATCH v1 1/7] PM / devfreq: tegra30: Support thermal cooling | From | Chanwoo Choi <> | Date | Thu, 20 May 2021 11:50:50 +0900 |
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On 5/11/21 6:10 AM, Dmitry Osipenko wrote: > Expose ACTMON devfreq device as a cooling device in order to throttle > memory freq on overheat. Throttling of memory freq has a significant > cooling effect on NVIDIA Tegra SoCs since higher memory freqs require > higher SoC core voltage which is one of the main causes of the heating. > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> > --- > drivers/devfreq/tegra30-devfreq.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index ce83f883ca65..10661eb2aed8 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -688,6 +688,7 @@ static struct devfreq_dev_profile tegra_devfreq_profile = { > .polling_ms = ACTMON_SAMPLING_PERIOD, > .target = tegra_devfreq_target, > .get_dev_status = tegra_devfreq_get_dev_status, > + .is_cooling_device = true, > }; > > static int tegra_governor_get_target(struct devfreq *devfreq, >
Applied it. Thanks.
-- Best Regards, Chanwoo Choi Samsung Electronics
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