http://bugzilla.opensuse.org/show_bug.cgi?id=1086640
http://bugzilla.opensuse.org/show_bug.cgi?id=1086640#c7
--- Comment #7 from Peter Sütterlin
---
Hi Max,
I finally had some time to try a dualmon setup. It is quite different from the
old one though: Here I only have a FHD HDMI monitor. Th old setup had a
same-sized monitor connected via DP on the dock. As the dock doesn't have HDMI
it is now connected to the laptop directly.
The tearing is still there, but has improved. The most anoying one had been in
the browser window when scrolling. This is not really prominent anymore, but
the diagonal line(s) can still be seen when slide-changing the desktop.
Full Screen repaints: I am quite sure I had tried that in the old
configuration, and it did not improve things. Also now, I don't see a real
change in tearing whether it is on or off.
I also tried changing the primary display now, but again no change.
On the bad side, now I (sometimes) get strange color artifacts around windows
when changing the focus (I use follow mouse, so just moving the cursor around
across various windows is enough to trigger it). This happens on both monitors
but not when only one is connected (I'm running modesetting as default, with
only one monitor it is having no issues for me at all).
Recording things with an external camera so far was not successful, that's why
I tried to describe things....
Yes, as Stefan mentioned in Comment #1 adding the TearFree to the driver, like
radeon and nvidia have, is what is likely the only cure for this.
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