[Intel-gfx] [PATCH] drm/i915: enable semaphores on gen6 if dmar is not active

[Daniel Vetter]

On Fri, Apr 27, 2012 at 07:54:59PM +0200, Daniel Vetter wrote:
> On Tue, Apr 17, 2012 at 11:31:00AM +0200, Daniel Vetter wrote:
> > On Tue, Apr 03, 2012 at 12:32:05AM +0200, Daniel Vetter wrote:
> > > On Mon, Apr 02, 2012 at 02:44:14PM -0700, Andrew Lutomirski wrote:
> > > > On Mon, Apr 2, 2012 at 1:52 PM, Daniel Vetter <daniel at ffwll.ch> wrote:
> > > > > On Mon, Apr 02, 2012 at 01:45:39PM -0700, Andrew Lutomirski wrote:
> > > > I've had a hard time reproducing the problems lately.  The
> > > > unconditional instant hard hang went away a few months ago, I think.
> > > > I'll give it another shot when I get home to that machine.
> > > 
> > > Well, I've managed to kill my machine shortly after login with semaphores,
> > > rc6 and dmar enabled. It hasn't died in the same configuration after a few
> > > hours of light usage (in my case that seems to be the best killer) with
> > > dmar disabled for just the gpu.
> > > 
> > > So if you can give your machine some serious beating with the different
> > > options, that's really great.
> > 
> > Do you already have some preliminary results or has your machine not yet
> > died with this patch applied?
> 
> Ping?

Even more ping. I'd really like to merge this, and a tested-by from you
would be awesome for this. Otherwise I'll just merge and we'll wait if it
actually blows up.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48