static void ReadVBIOSTablData(unsigned char ChipType,
                              struct vb_device_info *pVBInfo)
 {
-       volatile unsigned char *pVideoMemory =
-               (unsigned char *) pVBInfo->ROMAddr;
+       unsigned char *vbios = pVBInfo->ROMAddr;
        unsigned long i;
        unsigned char j, k;
        /* Volari customize data area end */
        if (ChipType != XG21)
                return;
        pVBInfo->IF_DEF_LVDS = 0;
-       if (!(pVideoMemory[0x65] & 0x1))
+       if (!(vbios[0x65] & 0x1))
                return;
        pVBInfo->IF_DEF_LVDS = 1;
-       i = pVideoMemory[0x316] | (pVideoMemory[0x317] << 8);
-       j = pVideoMemory[i - 1];
+       i = vbios[0x316] | (vbios[0x317] << 8);
+       j = vbios[i - 1];
        if (j == 0xff)
                j = 1;
        k = 0;
        do {
                pVBInfo->XG21_LVDSCapList[k].LVDS_Capability
-                               = pVideoMemory[i] | (pVideoMemory[i + 1] << 8);
+                               = vbios[i] | (vbios[i + 1] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSHT
-                               = pVideoMemory[i + 2] |
-                                 (pVideoMemory[i + 3] << 8);
+                               = vbios[i + 2] | (vbios[i + 3] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSVT
-                               = pVideoMemory[i + 4] |
-                                 (pVideoMemory[i + 5] << 8);
+                               = vbios[i + 4] | (vbios[i + 5] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSHDE
-                               = pVideoMemory[i + 6] |
-                                 (pVideoMemory[i + 7] << 8);
+                               = vbios[i + 6] | (vbios[i + 7] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSVDE
-                               = pVideoMemory[i + 8] |
-                                 (pVideoMemory[i + 9] << 8);
+                               = vbios[i + 8] | (vbios[i + 9] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSHFP
-                               = pVideoMemory[i + 10] |
-                                 (pVideoMemory[i + 11] << 8);
+                               = vbios[i + 10] | (vbios[i + 11] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSVFP
-                               = pVideoMemory[i + 12] |
-                                 (pVideoMemory[i + 13] << 8);
+                               = vbios[i + 12] | (vbios[i + 13] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSHSYNC
-                               = pVideoMemory[i + 14] |
-                                 (pVideoMemory[i + 15] << 8);
+                               = vbios[i + 14] | (vbios[i + 15] << 8);
                pVBInfo->XG21_LVDSCapList[k].LVDSVSYNC
-                               = pVideoMemory[i + 16] |
-                                 (pVideoMemory[i + 17] << 8);
-               pVBInfo->XG21_LVDSCapList[k].VCLKData1 = pVideoMemory[i + 18];
-               pVBInfo->XG21_LVDSCapList[k].VCLKData2 = pVideoMemory[i + 19];
-               pVBInfo->XG21_LVDSCapList[k].PSC_S1 = pVideoMemory[i + 20];
-               pVBInfo->XG21_LVDSCapList[k].PSC_S2 = pVideoMemory[i + 21];
-               pVBInfo->XG21_LVDSCapList[k].PSC_S3 = pVideoMemory[i + 22];
-               pVBInfo->XG21_LVDSCapList[k].PSC_S4 = pVideoMemory[i + 23];
-               pVBInfo->XG21_LVDSCapList[k].PSC_S5 = pVideoMemory[i + 24];
+                               = vbios[i + 16] | (vbios[i + 17] << 8);
+               pVBInfo->XG21_LVDSCapList[k].VCLKData1 = vbios[i + 18];
+               pVBInfo->XG21_LVDSCapList[k].VCLKData2 = vbios[i + 19];
+               pVBInfo->XG21_LVDSCapList[k].PSC_S1 = vbios[i + 20];
+               pVBInfo->XG21_LVDSCapList[k].PSC_S2 = vbios[i + 21];
+               pVBInfo->XG21_LVDSCapList[k].PSC_S3 = vbios[i + 22];
+               pVBInfo->XG21_LVDSCapList[k].PSC_S4 = vbios[i + 23];
+               pVBInfo->XG21_LVDSCapList[k].PSC_S5 = vbios[i + 24];
                i += 25;
                j--;
                k++;