On Tue, Apr 09, 2019 at 06:10:05PM +0200, Marc-André Lureau wrote:
> Add a function to be called when a graphic update is done.
> 
> Declare the QXL renderer as async: render_update_cookie_num counts the
> number of outstanding updates, and graphic_hw_update_done() is called
> when it reaches none.

Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>