On 15 June 2016 at 13:49, Dave Airlie <airlied@xxxxxxxxx> wrote: > Excuse me for top posting. > > So I finally got back to this patch, still don't like it. > > Apart from the doing 3 things in once which is just annoying, current > userspace for tiled monitors > relies on the behaviour that the cached edids are retrieved before the > connector is show to userspace. > > This is so that for tiled monitors both connectors are shown with > tiling properties so userspace can pick the correct monitor size. > > Now I realise this isn't great, since at least for the two cable 5K > monitors you won't ever plug them in at once. > > So we should probably discuss more what userspace should do in the > presence of a tiled monitor where it can only see one tile, > > If we go ahead with something like this, things will look kinda ugly > as you plug in a 4k monitor and it'll try and set a mode > on the first tile when it gets the hotplug (or it could be racing and > notice the connectors before the hotplug). So it then > sets the 1920x1080 mode on one connector and gets another hotplug to > set the tiled mode up. Though I think the fix is to leave the cached edid test in add port, And maybe the rest of the patch is okay then. Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
