Hi, > > > I think we need to do a bit of refactoring/documenting here first. > > [Kasireddy, Vivek] Just for reference, here is Dave's commit that added this > > property for qxl: > > commit 4695b03970df378dcb93fe3e7158381f1e980fa2 > > Author: Dave Airlie <airlied@xxxxxxxxxx> > > Date: Fri Oct 11 11:05:00 2013 +1000 > > > > qxl: add a connector property to denote hotplug should rescan modes. > > > > So GNOME userspace has an issue with when it rescans for modes on hotplug > > events, if the monitor has no EDID it assumes that nothing has changed on > > EDID as with real hw we'd never have new modes without a new EDID, and they > > kind off rely on the behaviour now, however with virtual GPUs we would > > like to rescan the modes and get a new preferred mode on hotplug events > > to handle dynamic guest resizing (where you resize the host window and the > > guest resizes with it). > > Ok this is just terrible. Because _anything_ without an EDID is impacted, > and we're certainly not going to sprinkle this property all over gpu > drivers just so Gnome takes the right path. Oh, and (newer) virtio-gpu actually has EDIDs ... take care, Gerd
