this came via stable patches
https://bugs.launchpad.net/ubuntu/focal/+source/linux-
oem-5.14/+bug/1956720
** Changed in: linux-oem-5.14 (Ubuntu)
Status: In Progress => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1956670
Title:
Extend support for runtime power management for AMD's Yellow Carp
Status in HWE Next:
New
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.14 source package in Focal:
Fix Committed
Bug description:
[Impact]
Some OEM designs may populate the secured USB port without runtime
power management supported.
[Fix]
Adds two IDs for XHCI controllers and enable runtime PM as default.
This is from kernel 5.16-rc6.
[Test]
This is requested by AMD.
[Where problems could occur]
Low risk. This patch adds two additional hardware IDs and has no
impacts on other systems.
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