** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => AaronMa (mapengyu)
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https://bugs.launchpad.net/bugs/2000299
Title:
Fix W6400 hang after resume of S3 stress
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Jammy:
In Progress
Bug description:
[Impact]
amdgpu hang when stress S3 on AMD W6400 GPU.
[Fix]
Add a WA to manually adjust strobe calculation using FCLK restrict.
[Test]
Suspend AMD W6400 for 40 times, it works fine.
[Where problems could occur]
Low risk, upstream fix.
It may cause AMD GPU hang.
The patch is in 5.16, only Jammy kernel needs it.
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