This bug is awaiting verification that the linux-
riscv-5.15/5.15.0-1030.34~20.04.1 kernel in -proposed solves the
problem. Please test the kernel and update this bug with the results. If
the problem is solved, change the tag 'verification-needed-focal' to
'verification-done-focal'. If the problem still exists, change the tag
'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-focal-linux-riscv-5.15 verification-needed-focal

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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:
  Fix Released

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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