diff options
Diffstat (limited to 'drivers/char/drm/drm_lock.c')
| -rw-r--r-- | drivers/char/drm/drm_lock.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index f970dc36c18f..f9e45303498d 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -104,8 +104,9 @@ int drm_lock(struct inode *inode, struct file *filp, __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); - DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); - if (ret) return ret; + DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); + if (ret) + return ret; sigemptyset(&dev->sigmask); sigaddset(&dev->sigmask, SIGSTOP); @@ -121,17 +122,19 @@ int drm_lock(struct inode *inode, struct file *filp, if (dev->driver->dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT)) { if (dev->driver->dma_quiescent(dev)) { - DRM_DEBUG( "%d waiting for DMA quiescent\n", lock.context); + DRM_DEBUG("%d waiting for DMA quiescent\n", lock.context); return DRM_ERR(EBUSY); } } + /* dev->driver->kernel_context_switch isn't used by any of the x86 + * drivers but is used by the Sparc driver. + */ if (dev->driver->kernel_context_switch && dev->last_context != lock.context) { dev->driver->kernel_context_switch(dev, dev->last_context, lock.context); } - return 0; } |