Is there a way to get in touch with their engineers, or someone who'd know who to talk to?
I did try the intel-gfx list, and one person in particular who I was encouraged to contact, but haven't heard back from either. Thanks > Message: 1 > Date: Tue, 15 Oct 2013 04:15:00 -0400 (EDT) > From: David Airlie <airl...@redhat.com> > To: Development discussions related to Fedora > <devel@lists.fedoraproject.org> > Subject: Re: Target Display Mode in Fedora > Message-ID: <352492266.2282276.1381824900005.javamail.r...@redhat.com> > Content-Type: text/plain; charset=utf-8 > > > > 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. > > Dave.
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