drm/i915: avoid reading non-existent PLL reg on Ironlake+
authorJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 30 Dec 2010 17:36:39 +0000 (09:36 -0800)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 11 Jan 2011 20:37:05 +0000 (20:37 +0000)
These functions need to be reworked for Ironlake and above, but until
then at least avoid reading non-existent registers.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[ickle: combine with a gratuitous tidy]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

No differences found