On 15/01/17 11:39 AM, Yu, Qiang wrote: > > My problem is on a two GPU platform secondary GPU has output and attached to > the primary GPU > (which is always done even no monitor is connected to the secondary GPU on > Ubuntu), compiz using > DRI3/Present can't do page flip so some tearing observed when moving windows > on the desktop.
Sounds like the code preventing page flips does so based on the wrong thing (the mere presence of slave outputs that could be used, as opposed to one of them actually being used). -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel
