Yes, that's correct so far. A year ago I set up my Trezor, generated the seed, created a PIN, did a test transfer, and proceeded to transfer more (used change addresses generated by the wallet, around 7 tx). Before I closed everything and disconnected my Trezor, I looked at my Trezor Suite dashboard for a considerable amount of time and it was displaying all the coins and transfers I have made correctly.
Just to confirm if youve actually used a passphrase or not. When you first set up your trezor, did you pick the "standard wallet" or "hidden wallet" option?
If youve picked the hidden wallet option, then it required you type in an additional line of text.