VT_VBLANK 562 drivers/video/fbdev/gbefb.c SET_GBE_FIELD(VT_VBLANK, VBLANK_ON, val, timing->vblank_start); VT_VBLANK 563 drivers/video/fbdev/gbefb.c SET_GBE_FIELD(VT_VBLANK, VBLANK_OFF, val, timing->vblank_end);