char/agp: replace numeric with standard PM state macros

Use standard PM state macros PCI_Dx instead of numeric 0/1/2..
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/char/agp/ati-agp.c

@@ -236,14 +236,14 @@ static int ati_configure(void)
 static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
 {
 	pci_save_state(dev);
-	pci_set_power_state(dev, 3);
+	pci_set_power_state(dev, PCI_D3hot);
 
 	return 0;
 }
 
 static int agp_ati_resume(struct pci_dev *dev)
 {
-	pci_set_power_state(dev, 0);
+	pci_set_power_state(dev, PCI_D0);
 	pci_restore_state(dev);
 
 	return ati_configure();

drivers/char/agp/nvidia-agp.c

@@ -399,8 +399,8 @@ static void agp_nvidia_remove(struct pci_dev *pdev)
 #ifdef CONFIG_PM
 static int agp_nvidia_suspend(struct pci_dev *pdev, pm_message_t state)
 {
-	pci_save_state (pdev);
-	pci_set_power_state (pdev, 3);
+	pci_save_state(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
 
 	return 0;
 }
@@ -408,7 +408,7 @@ static int agp_nvidia_suspend(struct pci_dev *pdev, pm_message_t state)
 static int agp_nvidia_resume(struct pci_dev *pdev)
 {
 	/* set power state 0 and restore PCI space */
-	pci_set_power_state (pdev, 0);
+	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 
 	/* reconfigure AGP hardware again */