On 11 December 2014 at 20:58, Thomas Hellstrom <thomas@xxxxxxxxxxxx> 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. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
