drm/i915: Check whether the LVDS downclock is found in VBT

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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>

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Zhao Yakui 2009-11-20 11:24:17 +08:00 • committed by Eric Anholt

parent 18f9ed12f8

commit d1fcea6a52

1 changed files with 42 additions and 0 deletions

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drivers/gpu/drm/i915/intel_bios.c

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