back_start        553 drivers/video/fbdev/udlfb.c 		const u8 *back_start = (u8 *) (dlfb->backing_buffer
back_start        556 drivers/video/fbdev/udlfb.c 		back_buffer_offset = (unsigned long)back_start - (unsigned long)line_start;
back_start        558 drivers/video/fbdev/udlfb.c 		*ident_ptr += dlfb_trim_hline(back_start, &next_pixel,
back_start        564 drivers/video/fbdev/udlfb.c 		back_start += offset;