** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
** Changed in: hwe-next
Assignee: (unassigned) => AaronMa (mapengyu)
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https://bugs.launchpad.net/bugs/1988721
Title:
[SRU][OEM-5.17][PATCH 0/1] Fix output issue of USB-C to DP dongle on
AMD
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.17 package in Ubuntu:
New
Status in linux source package in Jammy:
Invalid
Status in linux-oem-5.17 source package in Jammy:
In Progress
Bug description:
[Impact]
There is no output of external 4k DP monitor via USB-C to DP dongle.
[Fix]
Isolate link training sequence, the external DP monitor will be good.
[Test]
Verified on hardware, external 4k monitor works fine after re-plugin and
suspend.
[Where problems could occur]
It may break the display output on AMD GPU.
This commit is from 5.18-rc1, and no issue on jammy kernel.
SRU for oem-5.17 only.
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