Are you done with PT? If so, slow and steady wins the race. Keep up with the stretching and start adding weight to the bar. If you were a wide grip bencher, rethink that and work on keeping your elbows in.
Everyone is different but I was back to my former bench in 2 years. That seems like a long time but give my age , extent of the injury and time away from the weights, it's a damn good comeback. I showed my PL meet to my surgeon and he cringed. I thanked him and went on my way.
Never attempted to peak again after my repair. Went up to 4 plates on flat bench and called it good; that took 2 years. I had a badass PT and she pushed me much harder than I would have pushed myself. She made me put 225 on a bar and press it 12 weeks post op to show me that it wouldn’t tear again....at least not easily, lol.