2 files changed, 14 insertions, 7 deletions

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 52f4361eb6e4..d765afda9c2a 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -271,15 +271,15 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
         nb_order = (nb_order >> 1) & 7;
         pci_read_config_dword(nb, AMD64_GARTAPERTUREBASE, &nb_base);
         nb_aper = nb_base << 25;
-        if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order)) {
-                return 0;
-        }
 
         /* Northbridge seems to contain crap. Try the AGP bridge. */
 
         pci_read_config_word(agp, cap+0x14, &apsize);
-        if (apsize == 0xffff)
+        if (apsize == 0xffff) {
+                if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order))
+                        return 0;
                 return -1;
+        }
 
         apsize &= 0xfff;
         /* Some BIOS use weird encodings not in the AGPv3 table. */
@@ -301,6 +301,11 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
                 order = nb_order;
         }
 
+        if (nb_order >= order) {
+                if (agp_aperture_valid(nb_aper, (32*1024*1024)<<nb_order))
+                        return 0;
+        }
+
         dev_info(&agp->dev, "aperture from AGP @ %Lx size %u MB\n",
                  aper, 32 << order);
         if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order))
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index c7714185f831..4373adb2119a 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -633,13 +633,15 @@ static void intel_i830_init_gtt_entries(void)
                         break;
                 }
         }
-        if (gtt_entries > 0)
+        if (gtt_entries > 0) {
                 dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
                        gtt_entries / KB(1), local ? "local" : "stolen");
-        else
+                gtt_entries /= KB(4);
+        } else {
                 dev_info(&agp_bridge->dev->dev,
                        "no pre-allocated video memory detected\n");
-        gtt_entries /= KB(4);
+                gtt_entries = 0;
+        }
 
         intel_private.gtt_entries = gtt_entries;
 }