According to Snoop "Dogg" Lion, his longtime friend Dr. Dre was pretty confused about Snoop's transition into the Rastafarian lifestyle as Snoop Lion.  It wasn't until Snoop released his first reggae single, "La La La", that Dre actually understood what Snoop was trying to do with this image shift.

"He would see me come to rehearsals with all of my Rastafarian, my gear, my hair, my look. He was just peeping me out, and I let him know I was doing a reggae project and working on the album and whatnot, but he didn't really understand it until 'La La La' came out"

Source: sohh.com