static int drm_notifier(void *priv);
+static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
+
/**
* Lock ioctl.
*
block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
}
- 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))
{
if (dev->driver->dma_quiescent(dev)) {
}
}
- if (dev->driver->kernel_context_switch &&
- dev->last_context != lock->context) {
- dev->driver->kernel_context_switch(dev, dev->last_context,
- lock->context);
- }
-
return 0;
}
atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
- /* kernel_context_switch isn't used by any of the x86 drm
- * modules but is required by the Sparc driver.
- */
- if (dev->driver->kernel_context_switch_unlock)
- dev->driver->kernel_context_switch_unlock(dev);
- else {
- if (drm_lock_free(&master->lock, lock->context)) {
- /* FIXME: Should really bail out here. */
- }
+ if (drm_lock_free(&master->lock, lock->context)) {
+ /* FIXME: Should really bail out here. */
}
unblock_all_signals();
*
* Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction.
*/
+static
int drm_lock_take(struct drm_lock_data *lock_data,
unsigned int context)
{
}
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
}
spin_unlock_bh(&lock_data->spinlock);
}
-EXPORT_SYMBOL(drm_idlelock_take);
void drm_idlelock_release(struct drm_lock_data *lock_data)
{
}
spin_unlock_bh(&lock_data->spinlock);
}
-EXPORT_SYMBOL(drm_idlelock_release);
-
int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv)
{
_DRM_LOCK_IS_HELD(master->lock.hw_lock->lock) &&
master->lock.file_priv == file_priv);
}
-
-EXPORT_SYMBOL(drm_i_have_hw_lock);