Re: [PATCH 12/13] drm/radeon: fix a bug with the ring syncing code

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2012/4/19 Christian König <deathsimple@xxxxxxxxxxx>:
> Rings need to lock in order, otherwise
> the ring subsystem can deadlock.

No sure if its the commit or not but I was profiling on an r700 and
saw it create a semaphore for ring syncing.

surely the r700 would have no need?

Dave.
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