agp/sis: Suspend support for SiS AGP
Tested on M650 chipset
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index aaa1883..6cf54fe 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -214,6 +214,26 @@
agp_put_bridge(bridge);
}
+#ifdef CONFIG_PM
+
+static int agp_sis_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ pci_save_state(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
+
+static int agp_sis_resume(struct pci_dev *pdev)
+{
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+
+ return sis_driver.configure();
+}
+
+#endif /* CONFIG_PM */
+
static struct pci_device_id agp_sis_pci_table[] = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
@@ -393,6 +413,10 @@
.id_table = agp_sis_pci_table,
.probe = agp_sis_probe,
.remove = agp_sis_remove,
+#ifdef CONFIG_PM
+ .suspend = agp_sis_suspend,
+ .resume = agp_sis_resume,
+#endif
};
static int __init agp_sis_init(void)