Hi!
> > - On non-PPC machines, the slot will eventually go to D3, but
> > the APM BIOS or ACPI will be able to re-POST the card
> > properly on wakeup, so the driver only needs to restore the
> > current display mode, at least I guess so since I don't know
> > much about x86's. Similar will happen once I have an OF
> > emulator ready on PPC to re-POST some cards, thus changing
> > the previous example into this one. In this case, the driver
> > can put the chip to D3 and can _accept_ the sleep request
> > because it's explicitely told by the system (how ?) that the
> > card will be re-POSTED prior to the
> > resume() callback.
>
> Topic drift...
>
> After asking around internally, it sounds like we should not be doing a
> video re-POST on wakeup. Windows only used to in order to workaround
> buggy video drivers, according to what I've heard.
We really should not be doing that, but we... kind of have to. Thats
why acpi_sleep=s3_bios exists. I really don't know how to work around
it.
Pavel
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This archive was generated by hypermail 2b29 : Wed Apr 23 2003 - 22:00:36 EST