This patch series introduces infrastructure for asynchronous vma
unbinding. The single enabled use-case is initially at buffer object
migration where we otherwise sync when unbinding vmas before migration.
This in theory allows us to pipeline any number of migrations, but in
practice the number is
This is the first three already reviewed patches from the patch series titled
"Asynchronous vma unbinding", with an additional cleanup patch from Christian,
which would otherwise conflict heavily with this series.
Christian König (1):
drm/i915: remove questionable fence optimization during copy
