drm/i915: Check whether the LVDS downclock is found in VBT
authorZhao Yakui <yakui.zhao@intel.com>
Fri, 20 Nov 2009 03:24:17 +0000 (11:24 +0800)
committerEric Anholt <eric@anholt.net>
Wed, 25 Nov 2009 21:02:33 +0000 (13:02 -0800)
commitd1fcea6a529d22212b324f26cd660c85b289a026
tree4b17d2172a1d05f4049386b9528c5d7c4bdc19cd
parent18f9ed12f8c977e25d65a16af8e8d73f72417ba1
drm/i915: Check whether the LVDS downclock is found in VBT

Enumerate the LVDS panel timing info entry list in VBT to check whether
the LVDS downclock is found. If found, the downclock is also used to switch
dynamically between low and high frequency for LVDS.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/intel_bios.c