[Bug 1971417] Re: Fix REG_WAIT timeout for Yellow Carp

** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy

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https://bugs.launchpad.net/bugs/1971417

Title:
Fix REG_WAIT timeout for Yellow Carp

Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
Fix Committed
Status in linux source package in Jammy:
Fix Committed
Status in linux-oem-5.14 source package in Jammy:
Invalid

Bug description:
[Impact]
During hotplug built-in hdmi, the error message show up.
#REG_WAIT timeout for yellow Carp

[Fix]
This tends to take miliseconds in certain scenarios and we'd rather not
wait that long. Due to how this interacts with det size update and
locking waiting should not be necessary as compbuf updates before
unlock.

Add a watch for config error instead as that is something we actually do
care about.

[Test Case]
1. Plug and unplug hdmi
2. cant get the error message in dmesg.

[Where problems could occur]
Low

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