[Bug 69723] GPU lockups with kernel 3.11.0 / 3.12-rc1 when dpm=1 on r600g (Cayman)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69723

--- Comment #105 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to comment #104)
> (In reply to comment #103)
> > I don't remember if we've tried this recently, but does disabling power
> > containment help?
> > 
> > diff --git a/drivers/gpu/drm/radeon/ni_dpm.c
> > b/drivers/gpu/drm/radeon/ni_dpm.c
> > index 22c3391..19b7c68 100644
> > --- a/drivers/gpu/drm/radeon/ni_dpm.c
> > +++ b/drivers/gpu/drm/radeon/ni_dpm.c
> > @@ -4250,7 +4250,7 @@ int ni_dpm_init(struct radeon_device *rdev)
> >                 break;
> >         }
> >  
> > -       if (ni_pi->cac_weights->enable_power_containment_by_default) {
> > +       if (0/*ni_pi->cac_weights->enable_power_containment_by_default*/) {
> >                 ni_pi->enable_power_containment = true;
> >                 ni_pi->enable_cac = true;
> >                 ni_pi->enable_sq_ramping = true;
> 
> I don't remember playing with it lately, so I'll try it either later today
> (tonight) or tomorrow. I have to complete a report first for a personal
> project.

I've been testing it since Friday night (Desktop and games). I had a single
lock, but it was while playing a video. Since I suspect this may be related to
other issues that I've seen patches for, I'll continue testing it and I'll
report in a couple of days if things seem stable (or more stable).

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