agp/intel: add Ivy Bridge support

Just use the Sandy Bridge routines.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index b0a0dcc..b427711 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -903,6 +903,9 @@
 	ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB),
 	ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB),
 	ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_HB),
+	ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_HB),
+	ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_HB),
+	ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB),
 	{ }
 };
 
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index 5feebe2..999803c 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -225,6 +225,14 @@
 #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG	0x0126
 #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_HB		0x0108  /* Server */
 #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG		0x010A
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_HB		0x0150  /* Desktop */
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT1_IG		0x0152
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT2_IG		0x0162
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_HB		0x0154  /* Mobile */
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT1_IG		0x0156
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT2_IG		0x0166
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB		0x0158  /* Server */
+#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG		0x015A
 
 int intel_gmch_probe(struct pci_dev *pdev,
 			       struct agp_bridge_data *bridge);
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 0d09b53..8515101 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1420,6 +1420,16 @@
 	    "Sandybridge", &sandybridge_gtt_driver },
 	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG,
 	    "Sandybridge", &sandybridge_gtt_driver },
+	{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT1_IG,
+	    "Ivybridge", &sandybridge_gtt_driver },
+	{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT2_IG,
+	    "Ivybridge", &sandybridge_gtt_driver },
+	{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT1_IG,
+	    "Ivybridge", &sandybridge_gtt_driver },
+	{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT2_IG,
+	    "Ivybridge", &sandybridge_gtt_driver },
+	{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG,
+	    "Ivybridge", &sandybridge_gtt_driver },
 	{ 0, NULL, NULL }
 };