** Changed in: xorg-server
Status: Unknown => Confirmed
** Changed in: xorg-server
Importance: Unknown => High
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https://bugs.launchpad.net/bugs/1714749
Title:
Screen tearing with when PSR is enabled
Status in X.Org X server:
Confirmed
Status in linux package in Ubuntu:
Triaged
Status in xorg-server package in Ubuntu:
New
Bug description:
I've been experiencing pretty bad screen tearing on 17.10 on my XPS 13
9560 with Kaby Lake. I did not experience this on 16.04/16.10 and IIRC
not even on 17.04.
After a lot of hit and trial, I was able to fix the issue completely
by disabling Intel PSR mode in Grub config.
Change `i915.enable_psr=1` to `i915.enable_psr=0` in
`/boot/grub/grub.cfg` fixed the problem for me but I think this
disables some power saving features.
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