498d2ac15c
If there are pre-wrap values in semaphore-mbox registers after wrap, syncing against some after-wrap request will complete immediately. Fix this by emitting ring commands to set mbox registers to zero when the wrap happens. v2: Use __intel_ring_begin to emit ring commands, from Chris Wilson. Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> [danvet: Add a small comment to handle_seqno_wrap.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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