SDVO_HBUF_TX_VSYNC  716 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h   #define SDVO_HBUF_TX_VSYNC	(3 << 6)
SDVO_HBUF_TX_VSYNC  732 drivers/gpu/drm/i915/display/intel_sdvo_regs.h   #define SDVO_HBUF_TX_VSYNC	(3 << 6)