drm/msm: small fence cleanup

Give ourselves a way to wait for certain fence #..  makes it easier to
wait on a set of bo's, which we'll need for atomic.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-11-07 18:10:04 -05:00
commit 69193e5060
4 changed files with 39 additions and 21 deletions