This bug was fixed in the package linux-oem-6.5 - 6.5.0-1011.12
---------------
linux-oem-6.5 (6.5.0-1011.12) jammy; urgency=medium
* jammy/linux-oem-6.5: 6.5.0-1011.12 -proposed tracker (LP: #2047946)
* [needs-packaging] usbio-drivers (LP: #2041800)
- SAUCE: usbio-drivers: import intel-usbio-dkms source
- debian/dkms-versions -- build usbio-drivers from the in-tree copy
* Support standalone dkms source tree embedded in kernel source (LP: #2047909)
- [Packaging] dkms-build -- support in-tree dkms source directory
* jammy-oem-6.5: one more panel needs to disable psr2 (LP: #2046681)
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x4d_0x10_0x8f_0x15
-- Timo Aaltonen <timo.aalto...@canonical.com> Wed, 03 Jan 2024
21:03:45 +0200
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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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:
Invalid
Status in linux-oem-6.5 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.1 source package in Jammy:
Fix Released
Status in linux-oem-6.5 source package in Jammy:
Fix Released
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.
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