+ /* Find how many physical memory there is on card */
+ /* 0x36 register is accessible even if other registers are locked */
+ regval = vga_rcrt(NULL, 0x36);
+ if (par->chip == CHIP_360_TRIO3D_1X ||
+ par->chip == CHIP_362_TRIO3D_2X ||
+ par->chip == CHIP_368_TRIO3D_2X) {
+ switch ((regval & 0xE0) >> 5) {
+ case 0: /* 8MB -- only 4MB usable for display */
+ case 1: /* 4MB with 32-bit bus */
+ case 2: /* 4MB */
+ info->screen_size = 4 << 20;
+ break;
+ case 6: /* 2MB */
+ info->screen_size = 2 << 20;
+ break;
+ }
+ } else
+ info->screen_size = s3_memsizes[regval >> 5] << 10;
+ info->fix.smem_len = info->screen_size;
+