Question about xserver commit 47bc7fca

[Michel Dänzer]

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