VSYNC            4195 drivers/gpu/drm/i915/i915_reg.h #define VSYNC(trans)		_MMIO_TRANS2(trans, _VSYNC_A)
VSYNC             153 drivers/video/fbdev/i810/i810_regs.h #define VSYNC                 0x60014
VSYNC             162 include/video/sstfb.h #define VSYNC			0x0224