drm: export drm_global_mutex for drivers to use
authorBen Skeggs <bskeggs@redhat.com>
Thu, 26 Aug 2010 04:58:57 +0000 (14:58 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 26 Aug 2010 22:39:22 +0000 (08:39 +1000)
Nouveau needs to be able to drop the mutex before sleeping to prevent a
deadlock from occuring.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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