4 files changed, 22 insertions, 1 deletions

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index b0a0dccc98c1..b427711be4be 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -903,6 +903,9 @@ static struct pci_device_id agp_intel_pci_table[] = {
         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 5feebe2800e9..999803ce10dc 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 0d09b537bb9a..85151019dde1 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1420,6 +1420,16 @@ static const struct intel_gtt_driver_description {
             "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 }
 };
 
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index f845a8f718b3..a32c492baf5c 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -80,7 +80,7 @@ static void uninorth_tlbflush(struct agp_memory *mem)
                                ctrl | UNI_N_CFG_GART_INVAL);
         pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL, ctrl);
 
-        if (uninorth_rev <= 0x30) {
+        if (!mem && uninorth_rev <= 0x30) {
                 pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL,
                                        ctrl | UNI_N_CFG_GART_2xRESET);
                 pci_write_config_dword(agp_bridge->dev, UNI_N_CFG_GART_CTRL,