Public bug reported:
SRU justification:
[Impact]
Display can't work when replug in after suspend on AMD Cezanne platform.
[Fix]
Enable display power gating, display of typec will work as expected.
[Test]
Verified on hardware, suspend then replug the cable of typec, repeat for 10
times, all good.
[Where problems could occur]
The AMD typec output may not output.
Unstable kernel already got it, only for OEM-5.10/H.
Minor changes during backport.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1922165 sutton
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Focal)
** No longer affects: linux-oem-5.10 (Ubuntu Hirsute)
** Tags added: oem-priority originate-from-1922165 sutton
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https://bugs.launchpad.net/bugs/1929646
Title:
[SRU][OEM-5.10/H] Fix typec output on AMD Cezanne GPU
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