提交 42aacfba 编写于 作者: L Linus Torvalds

Merge branch 'drm-linus' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6

......@@ -104,6 +104,10 @@ 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;
sigemptyset(&dev->sigmask);
sigaddset(&dev->sigmask, SIGSTOP);
sigaddset(&dev->sigmask, SIGTSTP);
......@@ -116,8 +120,12 @@ int drm_lock(struct inode *inode, struct file *filp,
if (dev->driver->dma_ready && (lock.flags & _DRM_LOCK_READY))
dev->driver->dma_ready(dev);
if (dev->driver->dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT))
return dev->driver->dma_quiescent(dev);
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);
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.
......@@ -128,9 +136,7 @@ int drm_lock(struct inode *inode, struct file *filp,
dev->driver->kernel_context_switch(dev, dev->last_context,
lock.context);
}
DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
return ret;
return 0;
}
/**
......
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