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authorDave Airlie <airlied@starflyer.(none)>2006-01-03 18:18:01 +1100
committerDave Airlie <airlied@linux.ie>2006-01-03 18:18:01 +1100
commit97f2aab6698f3ab2552c41c1024a65ffd0763a6d (patch)
treebb6e3b2949459f54f884c710fc74d40eef00d834 /drivers/char/drm/drm_lock.c
parentd985c1088146607532093d9eaaaf99758f6a4d21 (diff)
parent88026842b0a760145aa71d69e74fbc9ec118ca44 (diff)
drm: merge in Linus mainline
Diffstat (limited to 'drivers/char/drm/drm_lock.c')
-rw-r--r--drivers/char/drm/drm_lock.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c
index f970dc36c18..f9e45303498 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;
}