[Intel-gfx] Dear Intel: please document SDVO LVDS option block

[4ernov]

Thanks for re-raising, Adam.

2011/10/26 Adam Jackson <ajax at redhat.com>

> On Wed, 2011-10-19 at 10:28 -0400, Adam Jackson wrote:
>
> > I assume the SDVO LVDS options block in the VBT would tell us what bits
> > are correct to program here, but intel_bios.h documents only the layout
> > of that structure, not its content.  Or, we can hope that the SDVO card
> > set it up correctly for us (hah).
> >
> > Intel people, care to shed some light here?
>
> Just re-raising this.  I suspect we can't support SDVO LVDS correctly
> without knowing more here.  In particular:
>
> - what "panel type" means in struct bdb_sdvo_lvds_options
> - what the "misc bits" mean in same
> - whether the BIOS AIM code can be relied on to have set
> depth/type/channel correctly or if that's the driver's job
>
> - ajax
>
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