[coreboot] Fwd: AMD RS690 TMDS

[Daniel Toussaint]

---------- Forwarded message ----------
From: Daniel Toussaint <daniel at dmhome.net>
Date: Fri, Aug 21, 2009 at 2:33 PM
Subject: Re: [coreboot] AMD RS690 TMDS
To: Karl-Heinz Nirschl <kh.nirschl at googlemail.com>


Hello,

Meanwhile one of my team members has solved the problem, the info was all in
the BIOS porting guide, it was just not very obvious. Below is his patch:


Enable Direct TMDS for the RS690, which allows to display on HDMI and DVI
monitors.
Signed-off-by: Libra Li <libra.li at technexion.com>







On Tue, Aug 18, 2009 at 2:33 AM, Karl-Heinz Nirschl <
kh.nirschl at googlemail.com> wrote:

> hi,
>
> i have a m2a-vm hdmi and could provide dumps if needed. just tell me
> exactly what you need.
>
> best regards
>
> khn
>
> 2009/8/17 Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>:
> > Hi Daniel,
> >
> > On 11.08.2009 18:32, Daniel Toussaint wrote:
> >> I am using the open source drivers , radeon and radeonhd. When I try it
> on a
> >> similar board with AMI bios , xrandr can switch on the HDMI port without
> any
> >> problems - with radeon and radeonhd. I guess I could give Catalyst a try
> to
> >> see if it makes any difference(maybe it does magic with the vga bios) I
> >> think however, that the problem lies in the fact that some config needs
> to
> >> be done in PCIE-GFX , so that one of the ports gets configured as TMDS.
> >> Right now, I am trying to get that to work - so far no results yet ....
> >> Another interesting fact is that I am working with this board that does
> not
> >> have another BIOS except for coreboot .... so I have nothing to compare
> >> register values with.
> >>
> >
> > I never tested HDMI on my board and I know that most boards need special
> > PCIe setup to get HDMI working. So unless this is implemented already,
> > you probably need to code it up yourself.
> > The issue should be independent of the video driver you're using.
> >
> > Maybe someone who has a board with working HDMI under the proprietary
> > BIOS can give you the register dumps you need.
> >
> > Regards,
> > Carl-Daniel
> >
> > --
> > http://www.hailfinger.org/
> >
> >
> > --
> > coreboot mailing list: coreboot at coreboot.org
> > http://www.coreboot.org/mailman/listinfo/coreboot
> >
>
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