Travis Scott has a seriously bum knee after his onstage fall at Rolling Loud -- and all signs point to him going under the knife as fast as possible.
Sources connected to Travis tell TMZ ... he went to see orthopedic specialist Dr. Neal ElAttrache this week at L.A.'s Cedars-Sinai Kerlan-Jobe Institute. We're told he was diagnosed with a dislocated knee -- specifically, a stretch or tear in the patellar tendon.
As we reported ... Travis hurt himself this weekend while performing at NYC's Rolling Loud Festival, landing on his leg wrong while he was jumping up and down.