Re: [PATCH] amd76x_pm on 2.6.0-test9 cleanup

From: Tony Lindgren
Date: Tue Nov 04 2003 - 15:56:45 EST

* Pasi Savolainen <pasi.savolainen@xxxxxx> [031104 12:21]:
> * Tony Lindgren <tony@xxxxxxxxxxx> [031104 21:24]:
> > * john stultz <johnstul@xxxxxxxxxx> [031104 10:43]:
> > > On Mon, 2003-11-03 at 16:22, Tony Lindgren wrote:
> > > I've received some reports that this patch causes time problems.
> > >
> > > Have those issues been looked into further, or addressed?
> >
> > I've heard of timing problems if it's compiled in, but supposedly they don't
> > happen when loaded as module.
> Not happening since 2.6.0-test9. Don't know what really fixed it, but
> they're just not there anymore.

Weird, John, is this true on your S2460 also?

> > Then the 2.4 version does not load if i2c-amd756 is loaded, but this may
> > have been already fixed by this patch, I have not verified it yet though.
> Most probably caused by the same thing that prevented it loading under
> amd_k7_agp, that is indeed sorted out.


> > I have problem where my S2460 goes into sleep for a while if compiled in,
> > but this does not happen when loaded as module.
> Could you have some AMD_76X -define left over? I skimmed through MP &
> MPX AMD documents, but found nothing incriminating.
> Could it be ACPI doing it's things with S -states? (it does check for
> SMP, but does report S -states as supported). And if ACPI isn't
> enabled, could you toggle it on, or vice-versa.

Well, I think I had this problem originally in amd-smp-idle.c before there
was any ACPI support in the module. It's probably related to some ACPI
register though.

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