> > >> And I have a question: how to assure the audio/gfx client find its right peer? > >> On a x86 platform, there can be an integrated GPU and an discrete GPU. So there can be two audio controllers and two GPUs. > >> We need to assure audio controller find the proper GPU, and vice versa. Maybe we need the peer audio/gfx to register with a same identifier (something like vendor ID) for peering. > > > > Yes, it's an open issue. So far, the binding with vga_switcheroo is > > done by a rough guess with PCI ID. > > Yeah, I guess we need platform/bus specific hints.
http://www.displayport.org/cables/driving-multiple-displays-from-a-single-displayport-output/ How do the audio driver know which displays when a single displayport output can drive multiple displays ? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140124/136ca751/attachment.html>