Ubuntu 23.10 (Mantic Minotaur) has reached end of life, so this bug will
not be fixed for that specific release.
** Changed in: linux (Ubuntu Mantic)
Status: Fix Committed => Won't Fix
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Packages, which is subscribed to linux-oem-6.1 in Ubuntu.
https://bugs.launchpad.net/bugs/2023004
Title:
Fix Disable thunderbolt clx make edp-monitor garbage while moving the
touchpad
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-6.1 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
In Progress
Status in linux-oem-6.1 source package in Jammy:
Fix Released
Status in linux source package in Kinetic:
In Progress
Status in linux-oem-6.1 source package in Kinetic:
Invalid
Status in linux source package in Lunar:
Fix Released
Status in linux-oem-6.1 source package in Lunar:
Invalid
Status in linux source package in Mantic:
Won't Fix
Status in linux-oem-6.1 source package in Mantic:
Invalid
Bug description:
[impact]
The default sync pulse length for fast wake AUX transactions was changed from
18 to 10, which was causing issues with some eDP panels.
[fix]
Revert the sync pulse length for fast wake AUX transactions back to the
hardware default of 18 (10 precharge + 8 preamble).
[test cases]
1. configure with thunderbolt.clx=0.
2. check edp's behavior and it should work well and there's no garbage.
[where the issue could happen]
low, By reverting this setting back to the default, this commit restores
stability for configurations using fast wake AUX transactions, especially those
involving eDP panels that were incompatible with the shorter sync pulse length.
The longer, hardware-default sync pulse length is compatible with more use
cases.
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