Then that's fine. If no updates were made to the resource since the last update, then the patch will not look at the live state.
I highly suggest re-reading the FAQ front-to-back on this subject. I spent a lot of time explaining the details on this subject. If you have any questions/concerns, we are always happy to discuss further on github.
https://helm.sh/docs/faq/#improved-upgrade-strategy-3-way-st...