SDVO_CMD_SET_OVERSCAN_V  656 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_SET_OVERSCAN_V				0x66
SDVO_CMD_SET_OVERSCAN_V  667 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_SET_OVERSCAN_V				0x66