[AGPGART] Fix Nforce3 suspend on amd64.

kernel.org bugzilla #6206

Based on patch from Serge Belyshev <belyshev@depni.sinp.msu.ru>
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 36517d4..ac3c33a 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -617,6 +617,9 @@
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 
+	if (pdev->vendor == PCI_VENDOR_ID_NVIDIA)
+		nforce3_agp_init(pdev);
+
 	return amd_8151_configure();
 }