diff options
| author | akpm@osdl.org <akpm@osdl.org> | 2006-01-03 23:00:10 -0800 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2006-01-16 20:53:45 -0800 |
| commit | 90be4b49b8b54505772a6a766ac0891ec92b4c2d (patch) | |
| tree | f3d679d5be9a2694b226ac255170b1fb2e06ec37 /drivers/char | |
| parent | 496ebd386439fee838df6b9c7d1306c36e7f6952 (diff) | |
[AGPGART] Suspend/Resume support for AMD64 GART.
This adds support for suspend/resume to the amd64-agp driver. Without
it, X displays garbage after resume from swsusp.
Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/amd64-agp.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 810679dcbbb..9964c508c11 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -600,6 +600,26 @@ static void __devexit agp_amd64_remove(struct pci_dev *pdev) agp_put_bridge(bridge); } +#ifdef CONFIG_PM + +static int agp_amd64_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_amd64_resume(struct pci_dev *pdev) +{ + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + return amd_8151_configure(); +} + +#endif /* CONFIG_PM */ + static struct pci_device_id agp_amd64_pci_table[] = { { .class = (PCI_CLASS_BRIDGE_HOST << 8), @@ -718,6 +738,10 @@ static struct pci_driver agp_amd64_pci_driver = { .id_table = agp_amd64_pci_table, .probe = agp_amd64_probe, .remove = agp_amd64_remove, +#ifdef CONFIG_PM + .suspend = agp_amd64_suspend, + .resume = agp_amd64_resume, +#endif }; |