drm/i915: add transcoder enable/disable functions
authorJesse Barnes <jbarnes@virtuousgeek.org>
Mon, 3 Jan 2011 20:14:26 +0000 (12:14 -0800)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 19 Jan 2011 12:37:18 +0000 (12:37 +0000)
Along with assertion checks for the FDI transmitters and receivers
(including PLLs).  Modify the pipe enable function to check for FDI PLL
status as well, when driving PCH ports.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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