XFree86-mga-busmstr.patch

   1 Index: mga_dri.c
   2 ===================================================================
   3 RCS file: /home/x-cvs/xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c,v
   4 retrieving revision 1.14
   5 diff -u -r1.14 mga_dri.c
   6 --- XFree86-4.0.2/xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c  2000/12/11 22:34:55     1.14
   7 +++ XFree86-4.0.2/xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c  2001/03/02 20:13:06
   8 @@ -379,6 +379,7 @@
   9     int init_offset;
  10     int i;
  11     unsigned long mode_mask;
  12 +   CARD32 pciCommand;
  13
  14     switch(pMGA->Chipset) {
  15     case PCI_CHIP_MGAG400:
  16 @@ -782,6 +783,11 @@
  17        return FALSE;
  18     }
  19     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "visual configs initialized\n" );
  20 +
  21 +   /* Enable bus mastering in PCI config space */
  22 +   pciCommand = pciReadLong(pMGA->PciTag, PCI_CMD_STAT_REG);
  23 +   pciWriteLong(pMGA->PciTag, PCI_CMD_STAT_REG,
  24 +               pciCommand | PCI_CMD_MASTER_ENABLE);
  25
  26     return TRUE;
  27  }