From: Arkadiusz Miskiewicz <arekm@pld-linux.org>
With this patch I'm able to suspend to disk (well, works even without
patch) and resume (without it my laptop hangs (even sysrq is not working)
while resuming).
Signed-off-by: Arkadiusz Miskiewicz <arekm@pld-linux.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/char/agp/via-agp.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+)
diff -puN drivers/char/agp/via-agp.c~via-agpc-resume-suspend-support drivers/char/agp/via-agp.c
--- 25/drivers/char/agp/via-agp.c~via-agpc-resume-suspend-support 2004-08-04 21:01:53.306912184 -0700
+++ 25-akpm/drivers/char/agp/via-agp.c 2004-08-04 21:01:53.310911576 -0700
@@ -438,6 +438,33 @@ static void __devexit agp_via_remove(str
agp_put_bridge(bridge);
}
+#ifdef CONFIG_PM
+
+static int agp_via_suspend(struct pci_dev *pdev, u32 state)
+{
+ pci_save_state (pdev, pdev->saved_config_space);
+ pci_set_power_state (pdev, 3);
+
+ return 0;
+}
+
+static int agp_via_resume(struct pci_dev *pdev)
+{
+ struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
+
+ pci_set_power_state (pdev, 0);
+ pci_restore_state(pdev, pdev->saved_config_space);
+
+ if (bridge->driver == &via_agp3_driver)
+ return via_configure_agp3();
+ else if (bridge->driver == &via_driver)
+ return via_configure();
+
+ return 0;
+}
+
+#endif /* CONFIG_PM */
+
/* must be the same order as name table above */
static struct pci_device_id agp_via_pci_table[] = {
#define ID(x) \
@@ -487,6 +514,10 @@ static struct pci_driver agp_via_pci_dri
.id_table = agp_via_pci_table,
.probe = agp_via_probe,
.remove = agp_via_remove,
+#ifdef CONFIG_PM
+ .suspend = agp_via_suspend,
+ .resume = agp_via_resume,
+#endif
};
_