Great question — answering as the UphillTech team:
The TPM is a passive component; it does not get involved in the boot process on its own, unless an OS (or a bootloader) specifically tries to interact with it. You can dual-boot an OS even if it doesn't have any support for the TPM. That said, if you want to use use the TPM from Linux, you can still do so even if it was initialized by Windows. Windows initializes the TPM2 using a random "owner password" that it throws away... but the fact that it immediately throws away the password just tells you that you don't need it for normal operation. For example, the RSA "storage root key" is initialized in a standard way at 0x81000001 and can be used from any OS, including Linux. (Some tools, such...
Full answer by grawity: https://superuser.stackexchange.com/a/1664347 (CC BY-SA 4.0).
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