On Thu, Apr 21, 2016 at 02:20:35PM +0200, Patrik Jakobsson wrote:
> On Wed, Apr 20, 2016 at 04:43:56PM +0300, ville.syrj...@linux.intel.com wrote:
> > From: Ville Syrjälä
> >
> > Somehow my SNB GT1 (Dell XPS 8300) gets very unhappy around
> > GPU hangs if the RPS EI/thresholds aren't suitably ali
On Thu, Apr 21, 2016 at 02:20:35PM +0200, Patrik Jakobsson wrote:
> On Wed, Apr 20, 2016 at 04:43:56PM +0300, ville.syrj...@linux.intel.com wrote:
> > From: Ville Syrjälä
> >
> > Somehow my SNB GT1 (Dell XPS 8300) gets very unhappy around
> > GPU hangs if the RPS EI/thresholds aren't suitably ali
On Wed, Apr 20, 2016 at 04:43:56PM +0300, ville.syrj...@linux.intel.com wrote:
> From: Ville Syrjälä
>
> Somehow my SNB GT1 (Dell XPS 8300) gets very unhappy around
> GPU hangs if the RPS EI/thresholds aren't suitably aligned.
> It seems like scheduling/timer interupts stop working somehow
> and
On Wed, Apr 20, 2016 at 04:43:56PM +0300, ville.syrj...@linux.intel.com wrote:
> From: Ville Syrjälä
The patch subject should probably read
"drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW"
since it does change more than SNB. I'll fix that up when/if I push.
>
> Somehow my SNB GT1 (D
On Wed, Apr 20, 2016 at 04:43:56PM +0300, ville.syrj...@linux.intel.com wrote:
> From: Ville Syrjälä
>
> Somehow my SNB GT1 (Dell XPS 8300) gets very unhappy around
> GPU hangs if the RPS EI/thresholds aren't suitably aligned.
> It seems like scheduling/timer interupts stop working somehow
> and
From: Ville Syrjälä
Somehow my SNB GT1 (Dell XPS 8300) gets very unhappy around
GPU hangs if the RPS EI/thresholds aren't suitably aligned.
It seems like scheduling/timer interupts stop working somehow
and things get stuck eg. in usleep_range().
I bisected the problem down to
commit 8a5864377b12