----- Original Message ----- > From: "Michel Dänzer" <[email protected]> > To: "Qiang Yu" <[email protected]>, "David Airlie" <[email protected]> > Cc: "Hans de Goede" <[email protected]>, "Michel Daenzer" > <[email protected]>, [email protected] > Sent: Wednesday, 18 January, 2017 12:30:05 PM > Subject: Re: Question about xserver commit 47bc7fca > > 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).
Yes definitely, ideally we could go further, at the time I found the bug, fixing it properly first was more important than making it work great. Dave. _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel
