Messages in this thread | | | Subject | Re: [PATCH] cpufreq: Avoid unnecessary frequency updates due to mismatch | From | Rex-BC Chen <> | Date | Wed, 4 May 2022 20:06:38 +0800 |
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On Wed, 2022-05-04 at 13:51 +0530, Viresh Kumar wrote: > For some platforms, the frequency returned by hardware may be > slightly > different from what is provided in the frequency table. For example, > hardware may return 499 MHz instead of 500 MHz. In such cases it is > better to avoid getting into unnecessary frequency updates, as we may > end up switching policy->cur between the two and sending unnecessary > pre/post update notifications, etc. > > This patch has chosen allows the hardware frequency and table > frequency > to deviate by 1 MHz for now, we may want to increase it a bit later > on > if someone still complains. > > Reported-by: Rex-BC Chen <rex-bc.chen@mediatek.com> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- >
Hello Viresh,
Thanks for your help! Jia-wei verified this patch in his device, and I help him to add this.
Tested-by: Jia-wei Chang <jia-wei.chang@mediatek.com>
BRs, Rex
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