** Description changed:
[Impact]
Sometimes the brightness isn't changed on gnome menu.
[Fix]
The TCON is random hung by PSR-SU.
Add a workaround to disable PSR-SU until the real fix.
[Test]
Tested on hardware, the brightness is changed as expected.
[Where problems could occur]
It may break AMD display.
+
+ Note: This commit is replaced by commit: cd2e31a9ab93d13c4
+ ("drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix")
+ in v6.5, but new commit failed to fix the original issue, disable PSR-SU
+ again by this commit.
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-6.5 in Ubuntu.
https://bugs.launchpad.net/bugs/2046131
Title:
drm/amd: Disable PSR-SU to fix the brightness issue
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
New
Status in linux-oem-6.1 package in Ubuntu:
In Progress
Status in linux-oem-6.5 package in Ubuntu:
In Progress
Status in linux source package in Jammy:
New
Status in linux-oem-6.1 source package in Jammy:
In Progress
Status in linux-oem-6.5 source package in Jammy:
In Progress
Bug description:
[Impact]
Sometimes the brightness isn't changed on gnome menu.
[Fix]
The TCON is random hung by PSR-SU.
Add a workaround to disable PSR-SU until the real fix.
[Test]
Tested on hardware, the brightness is changed as expected.
[Where problems could occur]
It may break AMD display.
Note: This commit is replaced by commit: cd2e31a9ab93d13c4
("drm/amd/display: Set minimum requirement for using PSR-SU on
Phoenix") in v6.5, but new commit failed to fix the original issue,
disable PSR-SU again by this commit.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/2046131/+subscriptions
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