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Commit 90be4b49 authored by akpm@osdl.org's avatar akpm@osdl.org Committed by Dave Jones
Browse files

[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: default avatarMichal Schmidt <xschmi00@stud.feec.vutbr.cz>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 496ebd38

drivers/char/agp/amd64-agp.c

+24 −0
Original line number Diff line number Diff line
@@ -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

};