diff options
| author | Dave Jones <davej@redhat.com> | 2006-11-09 09:53:22 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2006-11-09 09:53:22 +0100 |
| commit | 8a3decfebb02774c7db8df2a439e106ce983549c (patch) | |
| tree | 79fe8614492acde71829bab47c4a6d04558f4b4c /drivers | |
| parent | 9e914f50ac8359a5e8ba920976ef72121cbb6044 (diff) | |
[AGPGART] Suspend/Resume support for nVidia nForce AGP.
Based on a patch from the Ubuntu kernel.
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/agp/nvidia-agp.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 80dafa3030bd..b32a1ee59dd0 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -375,6 +375,31 @@ static void __devexit agp_nvidia_remove(struct pci_dev *pdev) agp_put_bridge(bridge); } +#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); + + return 0; +} + +static int agp_nvidia_resume(struct pci_dev *pdev) +{ + struct agp_bridge_data *bridge = pci_get_drvdata(pdev); + + /* set power state 0 and restore PCI space */ + pci_set_power_state (pdev, 0); + pci_restore_state(pdev); + + /* reconfigure AGP hardware again */ + nvidia_configure(); + + return 0; +} +#endif + + static struct pci_device_id agp_nvidia_pci_table[] = { { .class = (PCI_CLASS_BRIDGE_HOST << 8), @@ -402,6 +427,10 @@ static struct pci_driver agp_nvidia_pci_driver = { .id_table = agp_nvidia_pci_table, .probe = agp_nvidia_probe, .remove = agp_nvidia_remove, +#ifdef CONFIG_PM + .suspend = agp_nvidia_suspend, + .resume = agp_nvidia_resume, +#endif }; static int __init agp_nvidia_init(void) |