Messages in this thread | | | Date | Wed, 26 May 2021 15:09:22 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH v2 0/3] EM / PM: Inefficient OPPs |
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On 26-05-21, 15:08, Viresh Kumar wrote: > On 26-05-21, 10:01, Vincent Donnefort wrote: > > I originally considered to add the inefficient knowledge into the CPUFreq table. > > I wasn't talking about the cpufreq table here in the beginning, but calling > dev_pm_opp_disable(), which will eventually reflect in cpufreq table as well. > > > But I then gave up the idea for two reasons: > > > > * The EM depends on having schedutil enabled. I don't think that any > > other governor would then manage to rely on the inefficient OPPs. (also I > > believe Peter had a plan to keep schedutil as the one and only governor) > > Right, that EM is only there for schedutil. > > I would encourage if this can be done even without the EM dependency, if > possible. It would be a good thing to do generally for any driver that wants to > do that.
Another benefit of course is that we will have less work to do in the hotpath, it was obvious, but I thought of stating it anyway :)
-- viresh
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