int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_lock *lock = data;
- unsigned long irqflags;
- void (*tasklet_func)(struct drm_device *);
if (lock->context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
return -EINVAL;
}
- spin_lock_irqsave(&dev->tasklet_lock, irqflags);
- tasklet_func = dev->locked_tasklet_func;
- dev->locked_tasklet_func = NULL;
- spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
- if (tasklet_func != NULL)
- tasklet_func(dev);
-
atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
/* kernel_context_switch isn't used by any of the x86 drm
}
return 0;
}
+EXPORT_SYMBOL(drm_lock_take);
/**
* This takes a lock forcibly and hands it to context. Should ONLY be used
wake_up_interruptible(&lock_data->lock_queue);
return 0;
}
+EXPORT_SYMBOL(drm_lock_free);
/**
* If we get here, it means that the process has called DRM_IOCTL_LOCK