drm/i915: More accurately track last fence usage by the GPU

Based on a patch by Daniel Vetter.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-11-12 13:53:37 +00:00
commit caea7476d4
3 changed files with 78 additions and 52 deletions