Public bug reported:
[Impact]
AMD Systems don't enter PC6 at runtime and cause failures to enter
s2idle.
Currently the fix is from kernel driver rather than MP2 firmware, which
disable interrupts from kernel driver to fix MP2 firmware blocking
CPUOFF.
[Fix]
[Test]
[Where problems could occur]
** Affects: hwe-next
Importance: Undecided
Assignee: Alex Hung (alexhung)
Status: In Progress
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Tags: amd oem-priority originate-from-1960434
** Tags added: amd oem-priority originate-from-1960434
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: hwe-next
Assignee: (unassigned) => Alex Hung (alexhung)
** Changed in: hwe-next
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1961121
Title:
Not able to enter s2idle state on AMD platforms
Status in HWE Next:
In Progress
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux-oem-5.14 source package in Focal:
New
Bug description:
[Impact]
AMD Systems don't enter PC6 at runtime and cause failures to enter
s2idle.
Currently the fix is from kernel driver rather than MP2 firmware,
which disable interrupts from kernel driver to fix MP2 firmware
blocking CPUOFF.
[Fix]
[Test]
[Where problems could occur]
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1961121/+subscriptions
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