Messages in this thread | | | From | John Bradford <> | Subject | Re: Subtle semantic issue with sleep callbacks in drivers | Date | Thu, 17 Apr 2003 16:47:45 +0100 (BST) |
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> > > The video BIOS on a card often contains information that is found > > > -nowhere- else. Not in the chip docs. Not in a device driver. > > > Such information can and does vary from board-to-board, such as RAM > > > timings, while the chip remains unchanged. > > > > Incidently, what happens if we: > > > > * Suspend > > * Swap VGA card with another one > > * Restore > > When it breaks, you get to keep both pieces. > > That's a "Don't Do That" issue for any hardware between suspend > and resume.
Hmm, well what about with a PCI hotswap capable board - presumably then we could have the situation where a new VGA card appears that we _have_ to POST?
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