Your DPSP contributions for 2022 would be included in your Pension Adjustment calculation, which would reduce your 2022 RRSP limit. You can see your Pension Adjustment Box 52 of your T4.
You may want to call the Canada Revenue Agency (CRA) to sort this one out. If you are in Canada or the United States, you can call the CRA at 1-800-959-8281. If you are elsewhere, you can call 613-940-8495. This page has more ways to contact the CRA: Contact the Canada Revenue Agency
