LVDS_CLKB_POWER_DOWN  468 drivers/gpu/drm/gma500/psb_intel_reg.h #define LVDS_CLKB_POWER_DOWN		(0 << 4)
LVDS_CLKB_POWER_DOWN 4644 drivers/gpu/drm/i915/i915_reg.h #define   LVDS_CLKB_POWER_DOWN		(0 << 4)