** Changed in: oem-priority
Assignee: (unassigned) => Atlas Yu (pseudoc)
** Changed in: oem-priority
Status: New => Confirmed
** Changed in: oem-priority
Importance: Undecided => Critical
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-6.1 in Ubuntu.
https://bugs.launchpad.net/bugs/2028740
Title:
Fix AMD gpu hang when screen off/on
Status in HWE Next:
In Progress
Status in OEM Priority Project:
Confirmed
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.1 package in Ubuntu:
In Progress
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.1 source package in Jammy:
In Progress
Status in linux source package in Lunar:
In Progress
Status in linux-oem-6.1 source package in Lunar:
Invalid
Bug description:
[Impact]
AMD GPU hang when screen off/on.
error log:
kernel: [drm:dc_dmub_srv_wait_idle [amdgpu]] *ERROR* Error waiting for DMUB
idle: status=3
[Fix]
Keep a PHY active when detecting DP signal + DPMS active.
[Test]
Tested on 3 AMD platforms, GPU works fine.
[Where problems could occur]
Low risk, the fix is in v6.4-rc1.
Generic Jammy kernel doesn't need this commit because of no support of
AMD Phoenix GPU.
SRU for Lunar/oem-6.1 kernel.
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