CAL_MAX_WIDTH_BYTES
fse->max_width = CAL_MAX_WIDTH_BYTES * 8 / ALIGN(fmtinfo->bpp, 8);
CAL_MAX_WIDTH_BYTES * 8 / bpp);
max_width = CAL_MAX_WIDTH_BYTES / (ALIGN(fmtinfo->bpp, 8) >> 3);
CAL_MAX_WIDTH_BYTES * 8 / bpp);
fsize->stepwise.max_width = CAL_MAX_WIDTH_BYTES * 8 / bpp;