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ddf07be7a2
Since requests can no longer be generated as a side-effect of intel_ring_begin(), we know that the seqno will be unchanged during ring-emission. This predicatablity then means we do not have to check for the seqno wrapping around whilst emitting the semaphore for engine->sync_to(). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1469432687-22756-31-git-send-email-chris@chris-wilson.co.uk Link: http://patchwork.freedesktop.org/patch/msgid/1470174640-18242-22-git-send-email-chris@chris-wilson.co.uk