[AGPGART] VIA PT880 Ultra support.

This patch enables agpgart on a Via "PT880 Ultra" based motherboard
(Asus P4V800D-X). The PCI ID of the PT880 Ultra is 0x0308 instead of
0x0258 of the PT880.

The patched via-agp passes testgart.
Signed-off-by: Magnus Kessler <Magnus.Kessler@gmx.net>
Signed-off-by: Dave Jones <davej@redhat.com>

drivers/char/agp/via-agp.c

@@ -345,6 +345,12 @@ static struct agp_device_ids via_agp_device_ids[] __devinitdata =
 		.chipset_name	= "PT880",
 	},
 
+	/* PT880 Ultra */
+	{
+		.device_id	= PCI_DEVICE_ID_VIA_PT880ULTRA,
+		.chipset_name	= "PT880 Ultra",
+	},
+
 	/* PT890 */
 	{
 		.device_id	= PCI_DEVICE_ID_VIA_8783_0,
@@ -511,6 +517,7 @@ static struct pci_device_id agp_via_pci_table[] = {
 	ID(PCI_DEVICE_ID_VIA_8763_0),
 	ID(PCI_DEVICE_ID_VIA_8378_0),
 	ID(PCI_DEVICE_ID_VIA_PT880),
+	ID(PCI_DEVICE_ID_VIA_PT880ULTRA),
 	ID(PCI_DEVICE_ID_VIA_8783_0),
 	ID(PCI_DEVICE_ID_VIA_PX8X0_0),
 	ID(PCI_DEVICE_ID_VIA_3269_0),

include/linux/pci_ids.h

@@ -1231,6 +1231,7 @@
 #define PCI_DEVICE_ID_VIA_8380_0	0x0204
 #define PCI_DEVICE_ID_VIA_3238_0	0x0238
 #define PCI_DEVICE_ID_VIA_PT880		0x0258
+#define PCI_DEVICE_ID_VIA_PT880ULTRA	0x0308
 #define PCI_DEVICE_ID_VIA_PX8X0_0	0x0259
 #define PCI_DEVICE_ID_VIA_3269_0	0x0269
 #define PCI_DEVICE_ID_VIA_K8T800PRO_0	0x0282