Ask the doctor
It really depends on the type of injury, and what was damaged. Sometimes there might be a crack or fracture. Maybe ligament injury or other structures in knee like meniscus. Is it swollen? Do you have limited range of motion?
Things like that are important to determine when you will heal. Please see a physiotherapist for an assessment. Not necessarily, unless the bleeding is related to an infection. Then the infection spreads from the inner ear to the brain meninges (coverings).
Please see your doctor to check and sort out the bleeding.