DEVICE_CFG_DUAL_DVOB  163 drivers/gpu/drm/gma500/intel_bios.h #define DEVICE_CFG_DUAL_DVOB	0x11
DEVICE_CFG_DUAL_DVOB  258 drivers/gpu/drm/i915/display/intel_vbt_defs.h #define DEVICE_CFG_DUAL_DVOB	0x11