down4            1232 drivers/video/fbdev/amifb.c 			par->diwstop_h = down4(par->diwstop_h);
down4            1330 drivers/video/fbdev/amifb.c 			par->diwstop_h = down4(par->diwstop_h) - 16;
down4            1574 drivers/video/fbdev/amifb.c 		var->right_margin = ((par->htotal - down4(par->diwstop_h))>>clk_shift) + var->hsync_len;