linux-kernel - Re: Current suspend issues on Lenovo X200

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Message-Id: <200811121024.44502.jbarnes@virtuousgeek.org>
Date:	Wed, 12 Nov 2008 10:24:44 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Nico -telmich- Schottelius" <nico-linux-next@...ottelius.org>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Andres Freund <andres@...razel.de>
Subject: Re: Current suspend issues on Lenovo X200

On Saturday, October 25, 2008 7:53 am Nico -telmich- Schottelius wrote:
> Jesse Barnes [Fri, Oct 24, 2008 at 11:23:17AM -0700]:
> > On Friday, October 24, 2008 7:28 am Andres Freund wrote:
> > > Hi Nico,
> > >
> > > On Thursday 23 October 2008 22:43:26 Nico -telmich- Schottelius wrote:
> > > >  - 2.6.27-next-20081023:
> > > >    -> no X running (because xorg does not work with that kernel)
> > >
> > > I think what you need is one rather short fix for the intel xorg
> > > driver:
> > >
> > > diff --git a/src/i830_driver.c b/src/i830_driver.c
> > > index c1d61f4..eaf5d27 100644
> > > --- a/src/i830_driver.c
> > > +++ b/src/i830_driver.c
> > > @@ -502,8 +502,8 @@ I830DetectMemory(ScrnInfoPtr pScrn)
> > >     range = gtt_size + 4;
> > >
> > >     /* new 4 series hardware has seperate GTT stolen with GFX stolen */
> > > - if (IS_G4X(pI830))
> > > - range = 0;
> > > + if (IS_G4X(pI830) || IS_GM45(pI830))
> > > + range = 4;
> > >
> > >     if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I9XX(pI830)) {
> > >        switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
> > >
> > > (Out of the "[git pull] agp patches for 2.6.28-rc1" thread)
> >
> > Something like this might also help.
> >
> > G4x chips do their own memory arbitration management, so we shouldn't
> > trying to save/restore the DSPARB reg.
>
> I'm a bit confused. Which of both patches against 2.6.28-rc1 should I try?

Have you tried recent (last few days) git bits of the kernel and xf86-video-
intel?

Jesse
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