** Tags added: amd oem-priority
** Changed in: hwe-next
Assignee: (unassigned) => AaronMa (mapengyu)
** Changed in: linux-firmware (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-firmware (Ubuntu Kinetic)
Status: Fix Released => In Progress
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https://bugs.launchpad.net/bugs/1981922
Title:
Upgrade yellow carp DMCUB firmware to fix suspend failure
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
In Progress
Status in linux-firmware source package in Focal:
In Progress
Status in linux-firmware source package in Impish:
Won't Fix
Status in linux-firmware source package in Jammy:
In Progress
Status in linux-firmware source package in Kinetic:
In Progress
Bug description:
[Impact]
Certain Rembrandt designs use LPDDR memory and current firmware in
linux-firmware package in Focal and Jammy has a failure resuming from s0i3 on
DC power with it.
Some sample designs affected by the failure are Thinkpad X13, Z13,
Z16.
This failure doesn't affect resume with AC power or designs without
LPDDR memory.
[Fix]
Upgrade yellow carp DMCUB firmware binary.
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/commit/?id=4458bb4185b6d6e1f5c586fcf4b8cf6f5d3c8e24
[Test]
Verify suspend/resume works.
Verify that externally plugged displays haven't regressed.
[Where problems could occur]
Firmware is only loaded to Rembrandt designs. Regressions would be tied to
those platforms.
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https://bugs.launchpad.net/hwe-next/+bug/1981922/+subscriptions
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