On Oct 15, 2013, at 2:15 AM, David Airlie <airlied@xxxxxxxxxx> wrote: > >> The iMac and HP Z1 have a bi-directional DisplayPort/Thunderbolt port, which >> lets them be used as a Display for another computer. Apple calls it Target >> Display Mode, though HP doesn't seem to have a special name for it. This is >> really quite useful, I've used an iMac hooked up to a Linux machine at a >> previous job, and it's awesome to switch between the two machines when >> you've only got space for one display on the desk. The feature is invoked by >> a fairly non-standard keyboard combination. Here is a video illustrating >> what I mean ( >> http://www.youtube.com/watch?feature=player_detailpage&v=Y7_OZgBX8kQ#t=60 ), >> note how he switches the iMac from being the display for the MacBook to >> being an iMac again via keyboard shortcut (sort of off-screen). >> >> However, this feature is only implemented in OS X and Windows (via HP's My >> Display application) on the iMac and Z1 respectively. Which means that if, >> for example, a Z1 has Linux as the primary OS, the Z1 cannot currently be >> used as a monitor for a laptop or another computer (via Target Display >> Mode). As far as I've been able to discover, Target Display Mode does not >> exist under any flavor of Linux. >> >> What would it take to support this in Fedora? Is this a Desktop-centric >> feature for Gnome/KDE/Cinnamon, or is this something that would/should be >> part of the Linux kernel itself? I don't think it's directly part of a >> graphics driver (at least on Windows, since HP released My Display as a >> separate program), but again I'm not sure. > > You'd have to reverse engineer or ask HP/Apple what they actually do for this > to work. > > then implement that. Or maybe Intel would be forthcoming. It's their hardware. Chris Murphy -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
