The 26-year-old only managed 17 Premier League appearances with the Cherries since joining from Ipswich in 2015. The defender suffered with knee injuries in that time.
However, he is back to enjoying himself at Villa Park, with the team winning four of the eight games in which he's played.
"It's been everything I could have wished for and more," Mings told Sky Sports News.
"We've hit form at the right time, momentum is key going into the play-offs.
"Anybody we face I think we'll have a real good chance against.