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

[Konrad Rzeszutek Wilk]

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?
> 
> Cheers,
>        Sven