[Intel-gfx] [PATCH v2 1/3] drm/i915: Wake up pending_flip_queue as part of reset handling

[Ville Syrjälä]

On Fri, Feb 15, 2013 at 11:53:14PM +0000, Chris Wilson wrote:
> On Fri, Feb 15, 2013 at 05:07:44PM +0200, ville.syrjala at linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > Someone may be waiting for a flip that will never complete due to a GPU
> > reset. Wake up all such waiters after the GPU reset processing has
> > finished.
> > 
> > v2: Dropped the wake_up_all() from i915_handle_error() since
> >     we no longer wait for pending flips with struct_mutex held.
> 
> Isn't the wake_up(pending_flip_queue) superseded by performing the
> explicit do_intel_finish_page_flip() in patch 3?

Yes that's correct. But I actually forgot to remove the wake_up patch
from my tree when I tested this. I'll run a few more tests just to make
sure it still works.

-- 
Ville Syrjälä
Intel OTC