Am 24.01.2012 13:39, schrieb Peter Maydell: > Instantiate the CLCD on the vexpress motherboard as well as one on > the daughterboard -- the A15 daughterboard does not have a CLCD > and so relies on the motherboard one. > > At the moment QEMU doesn't provide infrastructure for selecting > which display device gets to actually show graphics -- the first > one registered is it. Fortunately this works for the major use > case (Linux): if the daughterboard has a CLCD it will come first > and be used, otherwise we fall back to the motherboard CLCD. > So we don't (currently) need to implement the control register > which allows software to tell the mux which video output to pass > through to the outside world. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Andreas Färber <afaer...@suse.de> I do hope we find a solution to deal with n displays in the future. I consider that a post-QOM topic and maybe Anthony's planned DisplayState refactoring helps with that. The Origen Board has (provisions for) an LCD in addition to HDMI output, for instance. Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg