Enable DP tunneling functionality on AMD Pink Sardine

Bug #1992723 reported by You-Sheng Yang
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
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linux (Ubuntu)
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Jammy
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Kinetic
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linux-oem-6.0 (Ubuntu)
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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

You-Sheng Yang (vicamo)
tags: added: amd oem-priority originate-from-1992124
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1992723

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Changed in linux (Ubuntu Jammy):
status: New → Incomplete
You-Sheng Yang (vicamo)
Changed in linux (Ubuntu Jammy):
status: Incomplete → Invalid
Changed in linux (Ubuntu Kinetic):
status: Incomplete → Invalid
Changed in linux-oem-6.0 (Ubuntu Jammy):
status: New → In Progress
Changed in linux-oem-6.0 (Ubuntu Kinetic):
status: New → Invalid
Revision history for this message
You-Sheng Yang (vicamo) wrote :
description: updated
Timo Aaltonen (tjaalton)
Changed in linux-oem-6.0 (Ubuntu Jammy):
status: In Progress → Fix Committed
Revision history for this message
Timo Aaltonen (tjaalton) wrote :

this came via stable

Revision history for this message
Timo Aaltonen (tjaalton) wrote :

...for oem-6.0

Timo Aaltonen (tjaalton)
Changed in linux-oem-6.0 (Ubuntu Jammy):
status: Fix Committed → Fix Released
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