Messages in this thread |  | | Subject | Re: [PATCH v1 5/5] PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting | From | Chanwoo Choi <> | Date | Wed, 1 Apr 2020 08:29:31 +0900 |
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Hi Dmitry,
On 3/31/20 8:16 AM, Dmitry Osipenko wrote: > MCCPU frequency boosting needs to be taken into account in order to avoid > scheduling of unnecessary devfreq updates.
"in order to avoid scheduling of unnecessary devfreq updates." I don't understand the correct meaning of following description. Could you explain it more detailed?
> > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> > --- > drivers/devfreq/tegra30-devfreq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index 34f6291e880c..3b57aac9894c 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -420,7 +420,7 @@ tegra_actmon_cpufreq_contribution(struct tegra_devfreq *tegra, > > static_cpu_emc_freq = actmon_cpu_to_emc_rate(tegra, cpu_freq); > > - if (dev_freq >= static_cpu_emc_freq) > + if (dev_freq + actmon_dev->boost_freq >= static_cpu_emc_freq) > return 0; > > return static_cpu_emc_freq; >
-- Best Regards, Chanwoo Choi Samsung Electronics
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