Patrick Mahomes Sr. will be allowed to watch his son tee off for a good cause this week ... TMZ Sports has learned authorities in Texas have given the elder Mahomes permission to attend Patrick Mahomes II's charity golf event in Vegas.
The Kansas City Chiefs star is throwing the bash at Shadow Creek Golf Course starting on Wednesday ... in an effort to help raise some funds for his 15 and the Mahomies Foundation.
Earlier this month, according to court documents we obtained, Mahomes Sr.