[AGPGART] Suspend/Resume improvements for ATI AGP

Based on patches in the Ubuntu kernel.

Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Dave Jones <davej@redhat.com>

1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 6db9b7f436aa..34bbd41f062a 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -245,18 +245,20 @@ static int ati_configure(void)
 
 
 #ifdef CONFIG_PM
-static int agp_ati_resume(struct pci_dev *dev)
+static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
 {
-        pci_restore_state(dev);
+        pci_save_state(dev);
+        pci_set_power_state (pdev, 3);
 
-        return ati_configure();
+        return 0;
 }
 
-static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
+static int agp_ati_resume(struct pci_dev *dev)
 {
-        pci_save_state(dev);
+        pci_set_power_state (pdev, 0);
+        pci_restore_state(dev);
 
-        return 0;
+        return ati_configure();
 }
 #endif
 
@@ -545,8 +547,8 @@ static struct pci_driver agp_ati_pci_driver = {
         .probe          = agp_ati_probe,
         .remove         = agp_ati_remove,
 #ifdef CONFIG_PM
-        .resume         = agp_ati_resume,
         .suspend        = agp_ati_suspend,
+        .resume         = agp_ati_resume,
 #endif
 };