This bug is awaiting verification that the linux-nvidia/5.15.0-1007.7
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-jammy' to 'verification-done-jammy'. If the
problem still exists, change the tag 'verification-needed-jammy' to
'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

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https://bugs.launchpad.net/bugs/1983297

Title:
  Additional fix for TGL + AUO panel flickering

Status in HWE Next:
  Fix Released
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:
  Invalid
Status in linux-oem-5.14 source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Released
Status in linux-oem-5.14 source package in Jammy:
  Invalid

Bug description:
  [Impact] 
  "UBUNTU: SAUCE: drm/i915/display/psr: Fix flicker on TGL + AUO panel"
  alone used to fix the issue on the AUO panel. But the panel starts to
  flicker like crazy on top of the new stable commits. 

  [Fix]
  Backport full fix for PSR2 selective fetch, but only enable it on TGL +
  specific AUO panel. The last three patches which enable PSR2 on ADL-P
  are dropped.

  [Test]
  Originally the backport regressed ADL + BOE panel, so this time we
  put extra effort to ensure those system are unaffected, while TGL + AUO
  panel is still fixed.
   
  [Where problems could occur]
  Most code changes only have functional impact when PSR2 selective fetch
  is enabled. Some of changes are under more general call path for
  hardware cursor rendering.

  Notes are added to describe the functional impact for each patch, so if
  regression really occurrs it's easier to spot the offending commit.

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