Public bug reported:
[Impact]
DP tunneling over USB4 requires additional work in the AMD GPU driver that
isn't present in 5.14 or 5.15. The code will be submitted during the 5.16
kernel cycle and will need to be backported into 5.14 OEM kernel to support any
programs that need it.
[Fix]
Cherry-pick/backport 30 commits from 5.16 to 5.15.
[Test case]
WIP
[Where things could go wrong]
WIP
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1951868
Title:
[amdgpu] USB4 support for DP tunneling
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