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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-08-26 14:58:57 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-08-27 08:39:22 +1000 |
| commit | e3461a2bc0d67ce60a915e0f26e2a6eb4a4d4b99 (patch) | |
| tree | cb36e6f2c1ff86dca9b2c84b992a85d6f22b3b79 /drivers/gpu/drm/drm_fops.c | |
| parent | ee508b821c2042fb852a078e594bd36606973780 (diff) | |
| download | olio-linux-3.10-e3461a2bc0d67ce60a915e0f26e2a6eb4a4d4b99.tar.xz olio-linux-3.10-e3461a2bc0d67ce60a915e0f26e2a6eb4a4d4b99.zip | |
drm: export drm_global_mutex for drivers to use
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>
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fops.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 2ca8df8b610..41dfaae4115 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -41,6 +41,7 @@ /* from BKL pushdown: note that nothing else serializes idr_find() */ DEFINE_MUTEX(drm_global_mutex); +EXPORT_SYMBOL(drm_global_mutex); static int drm_open_helper(struct inode *inode, struct file *filp, struct drm_device * dev); |