[git pull] drm fixes

[Daniel Vetter]

On Sat, Nov 28, 2015 at 05:36:54AM +1000, Dave Airlie wrote:
> On 28 November 2015 at 05:05, Linus Torvalds
> <torvalds at linux-foundation.org> wrote:
> > On Thu, Nov 19, 2015 at 8:07 PM, Dave Airlie <airlied at linux.ie> wrote:
> >>
> >> core: Atomic fixes and Atomic helper fixes
> >> i915: Revert for the backlight regression along with a bunch of fixes.
> >
> > So I have no idea if the GPU updates are my problem, but my main
> > desktop machine has been hanging silently a few times lately.
> >
> > It has never done it while unattended, even if it's doing things like
> > compiling the kernel. So I'm a bit inclined to blame graphics.
> >
> > Sadly, when it hangs, it's a total hang and doesn't leave anything in
> > the logs - I just have to reboot.
> >
> > I'll try to see if I can get anything at all out of the machine, but I
> > thought I'd ask if there is some known issue with Haswell graphics in
> > the 4.4-rc code base?
> >
> > Sorry for the complete lack of details, and really any hard reason to
> > even blame the GPU people.. You may be entirely blameless.
> 
> I've been running this fixes pull on my haswell laptop since I sent it to you,
> 
> and I've been using it, F22 + gnome-shell.
> 
>  05:35:41 up 7 days, 18:31, 35 users,  load average: 0.26, 0.26, 0.23
> 
> So I'm not aware of anything at least with Haswell in general.

Yeah I just hunted down a test infrastructure failure on my Haswell the
past few days with various loads and output configs. Seemed very happy.
And not aware of anything else blowing up (bdw/skl would be less
surprising).
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch