[Bug 39696] dual head: different vert refresh freq, applications sync to the wrong one

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 9 12:17:56 PDT 2011


--- Comment #10 from Klaus Kusche <klaus.kusche at computerix.info> 2011-08-09 12:17:56 PDT ---
(In reply to comment #9)
> Created an attachment (id=50076)
 View: https://bugs.freedesktop.org/attachment.cgi?id=50076
 Review: https://bugs.freedesktop.org/review?bug=39696&attachment=50076

> All other things being equal, sync to the CRTC of the  primary output.
> Does this patch work for making 3D and video synchronize to the primary output
> by default?

Yes, excellent: 
At least for me, the moving tear line is always 
on the display which is *not* primary. 

Even works when switching on-the-fly, for already-running applications.

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