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drm: Wake up all lock waiters when the master disappears.

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Currently only one waiter is woken up, leaving other waiters
hanging waiting for the DRM lock.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Thomas Hellstrom 2009-03-02 11:10:55 +01:00 committed by Dave Airlie
parent 4d77c88e91
commit 171901d15d
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/drm_bufs.c
View File

@ -420,7 +420,7 @@ int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map)
dev->sigdata.lock = NULL;
master->lock.hw_lock = NULL; /* SHM removed */
master->lock.file_priv = NULL;
wake_up_interruptible(&master->lock.lock_queue);
wake_up_interruptible_all(&master->lock.lock_queue);
}
break;
case _DRM_AGP:

2
drivers/gpu/drm/drm_stub.c
View File

@ -151,7 +151,7 @@ static void drm_master_destroy(struct kref *kref)
dev->sigdata.lock = NULL;
master->lock.hw_lock = NULL;
master->lock.file_priv = NULL;
wake_up_interruptible(&master->lock.lock_queue);
wake_up_interruptible_all(&master->lock.lock_queue);
}
drm_free(master, sizeof(*master), DRM_MEM_DRIVER);