VESA and DDC

[Alex Deucher]

On Wed, Oct 5, 2011 at 8:39 AM, Vasiliy Vylegzhanin <6vasia at gmail.com> wrote:
> I'm fiddling with VESA driver and it seems to totally ignore DDC info and
> both "DDCMode"  and "PreferredMode" options.
> What is the reason of such behavior and possible workaround?

It's a limitation of VESA.  Only the modes in the VESA modelist
provided by the vbios are available; you can't program arbitrary modes
with VESA.

Alex