VT_VCMAP          574 drivers/video/fbdev/gbefb.c 	SET_GBE_FIELD(VT_VCMAP, VCMAP_ON, val, timing->vblank_start);
VT_VCMAP          575 drivers/video/fbdev/gbefb.c 	SET_GBE_FIELD(VT_VCMAP, VCMAP_OFF, val, timing->vblank_end);