Re: [PATCH 0/6] PM / Domains: Implement domain performance states

From: Rafael J. Wysocki
Date: Mon Feb 06 2017 - 06:44:35 EST


On Monday, February 06, 2017 11:05:05 AM Viresh Kumar wrote:
> On 16-01-17, 11:00, Viresh Kumar wrote:
> > On 03-01-17, 16:36, Viresh Kumar wrote:
> > > Hi,
> > >
> > > An earlier series[1] tried to implement bindings for PM domain
> > > performance states. Rob Herring suggested that we can actually write the
> > > supporting code first instead of bindings, as that will make things
> > > easier to understand for all.
> > >
> > > The bindings [1] aren't discarded yet and this series is based on a
> > > version of those only. The bindings are only used by the last patch,
> > > which should not be applied and is only sent for completeness.
> > >
> > > All other patches can be reviewed/applied whenever the maintainers feel
> > > they look good.
> > >
> > >
> > > A brief summary of the problem this series is trying to solve:
> > >
> > > Some platforms have the capability to configure the performance state of
> > > their Power Domains. The performance levels are represented by positive
> > > integer values, a lower value represents lower performance state.
> > >
> > > We decided earlier that we should extend Power Domain framework to
> > > support active state power management as well. The power-domains until
> > > now were only concentrating on the idle state management of the device
> > > and this needs to change in order to reuse the infrastructure of power
> > > domains for active state management.
> > >
> > > The first 5 patches update the PM domain and QoS frameworks to support
> > > that and the last one presents the front end interface to it.
> > >
> > > All the patches are tested by hacking the OPP core a bit for now.
> >
> > Ping !
>
> Ping !!

I've been waiting for comments from Kevin and Ulf.

I guess it's better to resend at this point.

Thanks,
Rafael