Add entries for GeForce Go 7800. (Change went into XFree86 on 2005-09-28).

Don't hang if j is zero. This should never happen, but it's better to be
    safe than sorry.

src/nv_driver.c

@@ -87,7 +87,7 @@ _X_EXPORT DriverRec NV = {
         0
 };
 
-/* Known cards as of 2005/08/31  */
+/* Known cards as of 2005/09/21  */
 
 static SymTabRec NVKnownChipsets[] =
 {
@@ -300,7 +300,7 @@ static SymTabRec NVKnownChipsets[] =
   { 0x10DE0092, "GeForce 7800 GT" },
   { 0x10DE0093, "0x0093" },
   { 0x10DE0094, "0x0094" },
-  { 0x10DE0098, "0x0098" },
+  { 0x10DE0098, "GeForce Go 7800" },
   { 0x10DE0099, "GeForce Go 7800 GTX" },
   { 0x10DE009C, "0x009C" },
   { 0x10DE009D, "Quadro FX 4500" },

src/nv_hw.c

@@ -1173,8 +1173,10 @@ void NVLoadStateExt (
               pNv->PGRAPH[0x0610/4] = 0x00be3c5f;
 
               j = pNv->REGS[0x1540/4] & 0xff;
-              for(i = 0; !(j & 1); j >>= 1, i++);
-              pNv->PGRAPH[0x5000/4] = i;
+              if(j) {
+                  for(i = 0; !(j & 1); j >>= 1, i++);
+                  pNv->PGRAPH[0x5000/4] = i;
+              }
 
               if((pNv->Chipset & 0xfff0) == 0x0040) {
                  pNv->PGRAPH[0x09b0/4] = 0x83280fff;

src/nv_setup.c

@@ -447,6 +447,7 @@ NVCommonSetup(ScrnInfoPtr pScrn)
     case 0x0144:
     case 0x0146:
     case 0x0148:
+    case 0x0098:
     case 0x0099:
         mobile = TRUE;
         break;