X11-mga-busmstr.patch

   1 --- xc.orig/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c   2004-08-08 14:22:29.000000000 +0200
   2 +++ xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c        2004-08-08 15:13:17.170055096 +0200
   3 @@ -982,6 +982,7 @@
   4     DRIInfoPtr pDRIInfo;
   5     MGADRIPtr pMGADRI;
   6     MGADRIServerPrivatePtr pMGADRIServer;
   7 +   CARD32 pciCommand;
   8
   9     switch(pMga->Chipset) {
  10     case PCI_CHIP_MGAG550:
  11 @@ -1257,6 +1258,11 @@
  12     }
  13     xf86DrvMsg( pScrn->scrnIndex, X_INFO, "[dri] visual configs initialized\n" );
  14
  15 +   /* Enable bus mastering in PCI config space */
  16 +   pciCommand = pciReadLong(pMga->PciTag, PCI_CMD_STAT_REG);
  17 +   pciWriteLong(pMga->PciTag, PCI_CMD_STAT_REG,
  18 +               pciCommand | PCI_CMD_MASTER_ENABLE);
  19 +
  20     return TRUE;
  21  }
  22