[linux-pm] PM models

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On Tue, 2004-11-02 at 01:15 +0100, Pavel Machek wrote:
> Hi!
> 
> > > I believe it would be nicer to SUSPEND, because apm bios may fail to put
> > > devices into powersave...
> > > 								Pavel
> > > PS: The mail with list of states was sent before I received this one...
> > 
> > This is tricky... APM will eventually try to use some devices after we
> > do our suspend pass, for example, it will try to suspend the video chip
> > into "APM" mode (which in most case for ATIs is D2 state). The problem
> > is that if the device is already suspended, the BIOS may well crash
> > trying to tap it's registers...
> > 
> > I'm not sure what is the proper policy with APM, but then, I have the
> > APM maintainer not far from my desk so ... :)
> 
> Ok... that is the detail. Does "event/flags" seem reasonable to you?

Yes.

Ben.




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