drm_client_buffer_vmap_local
if (drm_client_buffer_vmap_local(scanout->buffer, &map))
if (drm_client_buffer_vmap_local(scanout->buffer, &map))
EXPORT_SYMBOL(drm_client_buffer_vmap_local);
ret = drm_client_buffer_vmap_local(buffer, &map);
int drm_client_buffer_vmap_local(struct drm_client_buffer *buffer,