Public bug reported:
[Impact]
Screen flickers on certain Intel TGL laptops.
[Fix]
Enable PSR2 selective fetch along with several PSR fixes.
[Test]
Screen flickers can no longer be observed on affected laptops.
[Where problems could occur]
PSR can be glitchy. Fortunately it's not system breaking so we can push
subsequent fixes if needed.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Affects: linux (Ubuntu Jammy)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: Invalid
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Fix Released
** Changed in: linux (Ubuntu Jammy)
Status: New => Confirmed
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Jammy)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1978252
Title:
Fix screen flickering caused by PSR on Intel TGL platform
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
Confirmed
Status in linux source package in Jammy:
Confirmed
Status in linux-oem-5.14 source package in Jammy:
Invalid
Bug description:
[Impact]
Screen flickers on certain Intel TGL laptops.
[Fix]
Enable PSR2 selective fetch along with several PSR fixes.
[Test]
Screen flickers can no longer be observed on affected laptops.
[Where problems could occur]
PSR can be glitchy. Fortunately it's not system breaking so we can push
subsequent fixes if needed.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1978252/+subscriptions
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