Re: [RFD] Automatic suspend

Rafael J. Wysocki
2009-02-20T20:49:24Z

On Friday 20 February 2009, Matthew Garrett wrote:
> On Fri, Feb 20, 2009 at 07:22:15PM +0100, Pavel Machek wrote:
> > On Mon 2009-02-16 23:23:30, Matthew Garrett wrote:
> > > On Tue, Feb 17, 2009 at 12:19:38AM +0100, Rafael J. Wysocki wrote:
> > >
> > > > This, again, seems to be a bit x86-centric. :-) The Android people are telling
> > > > us that on the hardware they deal with it does make sense to put the entire
> > > > system to sleep even for relatively short periods of time, since the latencies
> > > > involved are not too bad.
> > >
> > > Arve said that the power state was equivalent in idle and suspend, but
> >
> > ...for Arve's hardware. Not all embedded systems are like that, and
> > OLPC / PCs are definitely not like that.
>
> And PCs have enough latency over suspend/resume that we can't do it
> automatically in a non-intrusive manner anyway, so runtime pm is more
> interesting there as well.

Agreed.

Thanks,
Rafael