drm/radeon/kms: 6xx/7xx big endian fixes

agd5f: minor cleanups

Signed-off-by: Cédric Cano <ccano@interfaceconcept.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
6 files changed