On Mon, Jan 20, 2020 at 08:29:47PM +0100, Philippe Mathieu-Daudé wrote: > Commit c388f408b5 added the possibility to list the display > backends using '-display help'. Since the 'none' backend is > is not implemented as a DisplayChangeListenerOps, it is not > registered to the dpys[] array with qemu_display_register(), > and is not listed in the help output. > > This might be confusing, as we list it in the man page: > > -display type > Select type of display to use. This option is a replacement for > the old style -sdl/-curses/... options. Valid values for type are > > none > Do not display video output. The guest will still see an > emulated graphics card, but its output will not be displayed > to the QEMU user. This option differs from the -nographic > option in that it only affects what is done with video > output; -nographic also changes the destination of the serial > and parallel port data. > > Fix by manually listing the special 'none' backend in the help. > > Suggested-by: Thomas Huth <th...@redhat.com> > Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Added to ui queue. thanks, Gerd