drm/i915/tv: Sleep before checking for state changes.
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 22 Sep 2010 18:10:09 +0000 (19:10 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 23 Sep 2010 10:05:44 +0000 (11:05 +0100)
commit29e1316ab129f2d3a9ea874e7c9a4cb936f43542
tree45130e31d563a1e79d3628aa37a3bad63c6bb355
parent20f0cd55f68e0678909214c60b3595a22124bdb0
drm/i915/tv: Sleep before checking for state changes.

We need to wait for the PLLs to settle prior to detecting the state
changes. The BIOS writers guide suggests waiting for the next vblank.

Reported-by: Carlos R. Mafra <crmafra2@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_tv.c