EDID_DESC_BLOCK
*pwidth = vbe_edid[EDID_DESC_BLOCK + 2] |
(((int)vbe_edid[EDID_DESC_BLOCK + 4] & 0xf0) << 4);
*pheight = vbe_edid[EDID_DESC_BLOCK + 5] |
(((int)vbe_edid[EDID_DESC_BLOCK + 7] & 0xf0) << 4);