Re: Subtle semantic issue with sleep callbacks in drivers

[Jeff Garzik]

On Thu, Apr 17, 2003 at 04:09:25PM +0100, John Bradford wrote:
> > 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.

	Jeff