237 	drm_gem_vunmap(buffer->gem, buffer->vaddr);  in drm_client_buffer_delete()
307 	void *vaddr;  in drm_client_buffer_vmap()  local
309 	if (buffer->vaddr)  in drm_client_buffer_vmap()
310 		return buffer->vaddr;  in drm_client_buffer_vmap()
320 	vaddr = drm_gem_vmap(buffer->gem);  in drm_client_buffer_vmap()
321 	if (IS_ERR(vaddr))  in drm_client_buffer_vmap()
322 		return vaddr;  in drm_client_buffer_vmap()
324 	buffer->vaddr = vaddr;  in drm_client_buffer_vmap()
326 	return vaddr;  in drm_client_buffer_vmap()
340 	drm_gem_vunmap(buffer->gem, buffer->vaddr);  in drm_client_buffer_vunmap()
341 	buffer->vaddr = NULL;  in drm_client_buffer_vunmap()