I'm not sure how the bridge initialization is supposed to work with TB3 security. But, I would guess that the dock needs to be authorized first before the PCIE bridges can be initialized.
Since the BIOS is not handling the TB3 authorization, it might not be able to access the bridges. So the task of bringing them up would fall to the OS.
I'm not sure how the bridge initialization is supposed to work with TB3 security. But, I would guess that the dock needs to be authorized first before the PCIE bridges can be initialized.
Since the BIOS is not handling the TB3 authorization, it might not be able to access the bridges. So the task of bringing them up would fall to the OS.