Re: [PATCH v2 11/48] opp: Add dev_pm_opp_find_level_ceil()

[Viresh Kumar]

On 23-12-20, 23:37, Dmitry Osipenko wrote:
> 23.12.2020 07:19, Viresh Kumar пишет:
> > On 22-12-20, 22:15, Dmitry Osipenko wrote:
> >> 22.12.2020 09:42, Viresh Kumar пишет:
> >>> On 17-12-20, 21:06, Dmitry Osipenko wrote:
> >>>> Add a ceil version of the dev_pm_opp_find_level(). It's handy to have if
> >>>> levels don't start from 0 in OPP table and zero usually means a minimal
> >>>> level.
> >>>>
> >>>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> >>>
> >>> Why doesn't the exact version work for you here ?
> >>>
> >>
> >> The exact version won't find OPP for level=0 if levels don't start with
> >> 0, where 0 means that minimal level is desired.
> > 
> > Right, but why do you need to send 0 for your platform ?
> > 
> 
> To put power domain into the lowest performance state when device is idling.

I see. So you really want to set it to the lowest state or just take the vote
out ? Which may end up powering off the domain in the worst case ?

-- 
viresh