Revert "drm/i915: enable rc6 by default"

This reverts commit a51f7a66fb5e4af5ec4286baef940d06594b59d2.

We still have a few Ironlake and Sandybridge machines which fail when
RC6 is enabled. Better luck next release?

Signed-off-by: Keith Packard <keithp@keithp.com>
1 file changed