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

[Ben Skeggs]

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.

Thanks,
Ben.

[1]
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=d37687a562f0b55cc848cfcdbf8d473a6c692c2d

>
> > Cheers,
> >        Sven
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