VBB              1293 drivers/video/fbdev/atafb.c 	par->VBB = par->VDE;
VBB              1294 drivers/video/fbdev/atafb.c 	par->VFT = par->VBB + (lower_margin * 2 - 1) - 1;
VBB              1298 drivers/video/fbdev/atafb.c 		par->VBB++;