Hello You-Sheng, or anyone else affected,

Accepted linux-firmware into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/1.187.26 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1957026

Title:
  AMD Yellow Carp DMCUB fw update for s0i3 B0 fixes

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux-firmware package in Ubuntu:
  Fix Committed
Status in linux-oem-5.14 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Invalid
Status in linux-firmware source package in Focal:
  Fix Committed
Status in linux-oem-5.14 source package in Focal:
  In Progress
Status in linux source package in Jammy:
  In Progress
Status in linux-firmware source package in Jammy:
  Fix Committed
Status in linux-oem-5.14 source package in Jammy:
  Invalid

Bug description:
  [SRU Justification]

  [Impact]

  On AMD Yellow Carp B0 platforms, S0i3 is still not working.

  [Fix]

  This denpends on a few fixes for kernel driver that are all either in
  v5.17-rc1 or in stable linux-5.1x.y, along with an already upstreamed
  dmcub firmware.

  [Test Case]

  On AMD RMT CRB board,
  1. apply both kernel and firmware fixes
  2. module blacklist amd_sfh as it's still under development,
  3. trigger system suspend. Use power button to wake up the device.
  4. check /sys/kernel/debug/amd_pmc/s0ix_stats, the values shall be non-zero

  On without any of above, the board may not cut device power during
  suspend, and/or fail to resume and leaving a blank screen, and/or s0ix
  stats remain all zeros.

  [Where problems could occur]

  So far all the patches can be cleanly applied, and they're being
  progressively proposed to linux-stable.

  [Other Info]

  For kernel driver fixes, patches for both oem-5.14 and jammy are
  necessary; for firmware, that has been available in jammy branch but
  not yet released, so only Focal will be nominated.

To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1957026/+subscriptions


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