drm/i915: Track gpu fence usage

Track if the gpu requires the fence for the execution of a batch buffer
and so only wait upon the retirement of the object's last rendering
seqno if the fence is in use by the GPU.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-20 11:40:50 +01:00
commit 53640e1d07
2 changed files with 10 additions and 2 deletions