LVDS_CLKB_POWER_UP  469 drivers/gpu/drm/gma500/psb_intel_reg.h #define LVDS_CLKB_POWER_UP		(3 << 4)
LVDS_CLKB_POWER_UP 4645 drivers/gpu/drm/i915/i915_reg.h #define   LVDS_CLKB_POWER_UP		(3 << 4)