Comment 32 for bug 1763144

I'm affected too (Ubuntu focal, kernel 5.4).

I found a simple workaround here using thermald :
https://forums.lenovo.com/t5/Other-Linux-Discussions/X1C6-T480s-low-cTDP-and-trip-temperature-in-Linux/m-p/4637873#M14378
helped from here :
https://github.com/intel/thermal_daemon/issues/215
It's just a workaround... and I don't really understand how it does make the limits higher, but it's better than nothing.