Public bug reported:
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.
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1714749
Title:
Screen tearing with when PSR is enabled
Status in xserver-xorg-video-intel 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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1714749/+subscriptions
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