Messages in this thread | | | Subject | Re: [UPDATE] 2.4.10-pre2 PCI64, API changes README | Date | Fri, 31 Aug 2001 00:14:22 +0100 (BST) | From | Alan Cox <> |
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> When such an API would be created, it would take two PCI_DEV structs, > and it would possibly fail. On sparc64 for example, it is not > possible to PCI peer-to-peer DMA between two PCI devices behind > different PCI controllers, it simply doesn't work.
Thats an API video overlay really really needs of course - because DMA from the capture card into the video memory is precisely how its done.
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