POSTing of video cards (WAS: Solo Xgl..)
volodya at mindspring.com
Mon Feb 28 08:06:12 PST 2005
On Mon, 28 Feb 2005, Pavel Machek wrote:
>>> I think that the driver is the "chief" here and the one to know what to
>>> do with the cards it drives. It can detect a non-POSTed card and deal
>>> with it.
>> What about the x86 case of VGA devices that run without a driver being
>> loaded? Do we force people to load an fbdev driver to get the reset?
>> The BIOS deficiency strategy works for these devices.
> Yes, I think we do force people to load fbdev...
> ...because different BIOSes will be broken in slightly different ways,
> and you'll probably need to know which BIOS you are trying to load...
I agree. For example, on my Dell notebook the graphics card is not
reinitialized properly on return from resume. At some point I'll get
bothered enough to write code that does it.
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