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

Dave Airlie airlied at gmail.com
Tue Apr 24 07:04:42 PDT 2012

2012/4/19 Christian König <deathsimple at vodafone.de>:
> 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?


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