Bulking but want to join MMA

Hi, im bulking ,its going well but i have a hard time eating for that, but im not doing anything physical except weight lifting & im about to join MMA. should i immediately increase my calories when i join? or increase them slowly from where i am right now?. What should i do? I am confused im afraid il lose weight (not muscle as protein will remain high & weight lifting will continue).

5'11 height

Cal 2902
Prot 165g
Carb 385g
Fat 78g

I see two options - do cutting now, or eat some junk or bad food everyday

Thanks all

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