The function should have never used it in the first place as it was a left over from the DRI1 days of the nouveau ddx. While we're around check if KMS is supported before opening the nouveau device, and add support for Fermi & Kepler cards. Compile tested only due to the lack of a Fermi/Kepler card. Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>