drm: Move drm_legacy_vma_flush into drm_legacy.h

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

drivers/gpu/drm/drm_legacy.h

@@ -71,6 +71,8 @@ int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
 int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
 int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
 
+void drm_legacy_vma_flush(struct drm_device *d);
+
 /*
  * AGP Support
  */

include/drm/drmP.h

@@ -1321,8 +1321,6 @@ struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
 int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
 int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
 
-void drm_legacy_vma_flush(struct drm_device *d);
-
 void drm_legacy_idlelock_take(struct drm_lock_data *lock);
 void drm_legacy_idlelock_release(struct drm_lock_data *lock);