[coreboot] Re: libgfxinit quick starter guide

[Nico Huber]

On 15.03.20 20:37, Nico Huber wrote:
> > On Wed, Mar 11, 2020 at 9:45 AM Michal Zygowski 
> > wrote:
> > I see the programming manuals from Intel
> > > are in place:
> > > https://01.org/linuxgraphics/documentation/hardware-specification-prms
>
> Alas, this is a pitfall for Braswell. The only part that matters for
> libgfxinit (information about the display engine) is 100% scrubbed
> away. If you look into the `Display` chapter, it only contains legacy
> VGA registers and audio verbs, nothing about display at all. And if you
> search for any of "hdmi", "lvds", "mipi", "dsi", or "lane" in the
> `Register` chapter: nothing :-/

Update: There are some register descriptions in the Braswell datasheet
vol2. Probably enough for HDMI and (e)DP support.

Nico