DS90UB925Q-Q1: Is there a deserializer that can aggregate inputs from two UB925?

We have two UB925 from two boards. Is there a deserializer that can aggregate inputs from them? We also considered using two UB940, then use another IC to aggregate outputs from them. What's a good low cost IC for that? What we want to achieve is to either display the two images independently, or stitch them together so that they are like split-screen displayed vertically.