drm/i915: Remove fenced_gpu_access and pending_fenced_gpu_access

This migrates the fence tracking onto the existing seqno
infrastructure so that the later conversion to tracking via requests is
simplified.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
4 files changed