On 12/11/2014 12:57 PM, Dave Airlie wrote: > On 11 December 2014 at 20:58, Thomas Hellstrom <thomas at shipmail.org> wrote: >> Hi! >> >> I'd like to have a standard / generic way of exposing virtual monitor >> layout to desktop managers. This would then serve as a *hint* to those >> managers to set the desktop up accordingly. >> >> Of course, this is mostly for virtual hardware, since without >> accelerometers, gyros and gps positioners on monitors, the kernel >> wouldn't be able to know where the user put his monitors. >> >> One could argue that this is purely user-space policy, but since those >> managers monitor the kms interface anyway it would be a convenient place >> to expose this information. >> >> One idea would to place the x,y location in an output property. >> >> Another idea would be to send new layout for all connected output as a >> drm event. >> > Have a look at drm-next, we added a suggested x/y property to connectors, > and qxl support for it. > > I think the spice guys added mutter support for it as well and qxl > X.org driver passes through the property. > > Dave.
Cool, I'll take a look. Thanks, Thomas
