staging: xgifb: do not use pVBInfo->BaseAddr

Use pre-calculated register addresses instead of pVBInfo->BaseAddr.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/vb_init.c

@@ -1297,10 +1297,10 @@ unsigned char XGIInitNew(struct pci_dev *pdev)
 		return 0;
 	}
 
-	outb(0x67, (pVBInfo->BaseAddr + 0x12)); /* 3c2 <- 67 ,ynlai */
-
 	XGIRegInit(pVBInfo, xgifb_info->vga_base);
 
+	outb(0x67, pVBInfo->P3c2);
+
 	if (HwDeviceExtension->jChipType < XG20)
 		/* Run XGI_GetVBType before InitTo330Pointer */
 		XGI_GetVBType(pVBInfo);