[REGRESSION] system does not resume from ram due to commit "drm/nv50/fifo: prevent races between clients updating playlists"

[Konrad Rzeszutek Wilk]

On Mon, Jun 03, 2013 at 03:50:50PM +1000, Ben Skeggs wrote:
> On Fri, May 31, 2013 at 11:05 PM, Konrad Rzeszutek Wilk <
> konrad.wilk at oracle.com> wrote:
> 
> > On Tue, May 28, 2013 at 08:55:29PM +0200, Sven Joachim wrote:
> > > On 2013-05-26 23:09 +0200, Maarten Maathuis wrote:
> > >
> > > > My NV96 does not resume from suspend to ram (the screen stays black,
> > magic
> > > > sysrq keys do work) with the current linus git kernel, i bisected it
> > to the
> > > > following commit.
> > > >
> > > > drm/nv50/fifo: prevent races between clients updating playlists
> > > > b5096566f6e1ee2b88324772f020ae9bc0cfa9a0
> > > >
> > > > It's not obvious to me how this causes problems, but reverting this
> > commit
> > > > does solve my problem.
> > >
> > > Same here on my NV86.
> >
> > And as well on this:
> >
> > 01:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600
> > GT] (rev a1)
> >
> >
> > Ben, any ideas?
> >
> 
> I've pushed a fix[1] to my git tree.  Will pull it across to the "normal"
> tree once I've hunted down another regression.

You can also add (if you would like) Tested-by: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>

Thanks!
> 
> Thanks,
> Ben.
> 
> [1]
> http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=d37687a562f0b55cc848cfcdbf8d473a6c692c2d
> 
> >
> > > Cheers,
> > >        Sven
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> >