** Changed in: linux-oem-6.0 (Ubuntu Jammy)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1992723
Title:
Enable DP tunneling functionality on AMD Pink Sardine
Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-oem-6.0 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.0 source package in Jammy:
Fix Committed
Status in linux source package in Kinetic:
Invalid
Status in linux-oem-6.0 source package in Kinetic:
Invalid
Bug description:
[SRU Justification]
[Impact]
DP tunneling on a certain thunderbolt docking doesn't work well.
[Fix]
Add a new IP version in the switch cases that supports DPIA.
[Test Case]
Connect an external monitor via thunderbolt docking station.
[Where problems could occur]
DPIA is supported on AMD DCN314 gpu platforms. With or without it may
both introduce compatibility issues as what to be solve here.
[Other Info]
While this applies to AMD Phoenix/Phoenix2 platforms, only oem-6.0 or
above are nominated for fix.
========== original bug description ==========
Observed unsuccessfully light-up on some TBT docking with the single
monitor connected, adding a new IP version to enable DPIA
functionality.
https://gitlab.freedesktop.org/agd5f/linux/-/commit/6fc6c3a991c2a983336ed230938937617a1394ab
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