[Bug 216347] ACPI power profile keeps switching to "low-power" on ThinkPad T14 Gen1 (AMD)

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216347

--- Comment #4 from madcatx@atlas.cz ---
I modded the driver to log the events, here's the output. Note that I log all
events and have an extra output for the THM event so the output is a bit
noisier that necessary.

[  110.307214] TPACPI event id 24626
* Manual switch to performance
[  110.307221] TPACPI event THM_CSM_COMPLETED
[  110.308287] TPACPI event id 4114
* Drop to low power
[  125.374888] TPACPI event id 24626
[  125.374894] TPACPI event THM_CSM_COMPLETED
* Manual switch to performance
[  178.560859] TPACPI event id 24626
[  178.560862] TPACPI event THM_CSM_COMPLETED
* Drop to low power
[  321.588092] TPACPI event id 24626
[  321.588100] TPACPI event THM_CSM_COMPLETED
* Manual switch to performance
[  340.418211] TPACPI event id 24626
[  340.418215] TPACPI event THM_CSM_COMPLETED
* Manual switch to performance
[  344.953610] TPACPI event id 24626
[  344.953614] TPACPI event THM_CSM_COMPLETED
* Drop to low power
[  350.357321] TPACPI event id 24626
[  350.357328] TPACPI event THM_CSM_COMPLETED
* Manual switch to performance
[  352.865566] TPACPI event id 24626
[  352.865573] TPACPI event THM_CSM_COMPLETED
* Drop to low power
[  362.030351] TPACPI event id 24626
[  362.030355] TPACPI event THM_CSM_COMPLETED

There doesn't seem to be anything hammering the toggle, it just switches itself
back to "low-power".

There doesn't seem to be any apparent pattern that would provoke this. All I
can tell is that the power profile seems to switch itself back from
"performance" to "low-power" after some time. It can take anywhere from 5 to 70
seconds for this to happen.

It also looks like the "balanced" profile seems to stick but I need to verify
this better.

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