Remove leftover code that was disabling tiling after we set it up.

src/i830_driver.c

@@ -1912,18 +1912,6 @@ RestoreHWState(ScrnInfoPtr pScrn)
    return TRUE;
 }
 
-static void
-InitRegisterRec(ScrnInfoPtr pScrn)
-{
-   I830Ptr pI830 = I830PTR(pScrn);
-   int i;
-
-   if (!I830IsPrimary(pScrn)) return;
-
-   for (i = 0; i < 8; i++)
-      pI830->fence[i] = 0;
-}
-
 static void
 I830PointerMoved(int index, int x, int y)
 {
@@ -2505,8 +2493,6 @@ I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
    }
 #endif
 
-   InitRegisterRec(pScrn);
-
 #ifdef XF86DRI
    /*
     * pI830->directRenderingDisabled is set once in PreInit.  Reinitialise