Chris Brown just got confined for 90 days … but not in jail … in rehab.Brown and his lawyer, Mark Geragos, were just in court for a progress report in the Rihanna beating case. TMZ broke the story … the Probation Dept. notified the judge that Brown flew into yet another violent rage while he was in a Malibu rehab joint for anger management, and was thrown out of the facility after only 2 weeks. The Probation Dept. recommended live-in anger management rehab.