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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1896582

Title:
  Enable i915 panel self refresh feature

Status in linux package in Ubuntu:
  Incomplete
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Invalid
Status in linux-oem-5.6 source package in Focal:
  In Progress

Bug description:
  [Impact]
  PSR feature has been disabled by default because of below bug, "Dell XPS 13 
(7390) Display Flickering - 19.10"
  https://bugs.launchpad.net/bugs/1849947

  But this feature is important to pass the new energy start standard,
  so re-enable it and set default value to -1 "use per-chip default"

  [Fix]
  Revert the below commit to enable it again
  ecc718f31c90 UBUNTU: SAUCE: drm/i915: Disable PSR by default on all 
  platforms

  [Test]
  Verified on one Dell platform which panel supports PSR

  [Regression Potential]
  High, we plan to verify all platforms that shipped with 5.6 OEM kernel to 
make sure there is no flickering issue.

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