[Intel-gfx] [PATCH 7/9] drm/i915: adjust has_pending_fb_unpin to atomic

[Chris Wilson]

Quoting Daniel Vetter (2017-07-19 13:55:00)
> A bit an oversight - the current code did nothing, since only
> legacy flips used the unpin_work_count and assorted logic.
> 
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

There's a fence deadlock testcase for this, kms_flip/fence?
-Chris