Re: [RFC] Reliable video POSTing on resume (was: Re: [ACPI] Samsung P35, S3, black screen (radeon))

Matan Ziv-Av
2005-02-10T23:03:52Z

On Thu, 10 Feb 2005, Bill Davidsen wrote:

>> Some systems (intel notably) appear to expect you to use the bios
>> save/restore video state not re-POST.
>
> Isn't that what it's there for? In any context other than save/restore I
> wouldn't think using the BIOS was a good approach. But this is a special
> case, and if there's a BIOS function which does the right thing, it would
> seem to be easier to assume that the BIOS works than that the driver can do
> every operation for a clean restart.

Maybe with new cards it is different but a few years ago, most cards
that I tested had problems with those functions.

--
Matan Ziv-Av. matan@svgalib.org