[AGPGART] Suspend/Resume support for ATI GART

Add suspend/resume support for the ati-agp module

Signed-off-by: Jaco Kroon <jaco@kroon.co.za>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 53372a83b675..5b74c36c116c 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -244,6 +244,22 @@ static int ati_configure(void)
 }
 
 
+#ifdef CONFIG_PM
+static int agp_ati_resume(struct pci_dev *dev)
+{
+        pci_restore_state(dev);
+
+        return ati_configure();
+}
+
+static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
+{
+        pci_save_state(dev);
+
+        return 0;
+}
+#endif
+
 /*
  *Since we don't need contigious memory we just try
  * to get the gatt table once
@@ -525,6 +541,10 @@ static struct pci_driver agp_ati_pci_driver = {
         .id_table       = agp_ati_pci_table,
         .probe          = agp_ati_probe,
         .remove         = agp_ati_remove,
+#ifdef CONFIG_PM
+        .resume         = agp_ati_resume,
+        .suspend        = agp_ati_suspend,
+#endif
 };
 
 static int __init agp_ati_init(void)