Apple M9179LL/A 30" Widescreen LCD with rv280
alexdeucher at gmail.com
Fri Feb 25 17:54:54 PST 2005
On Sat, 26 Feb 2005 12:19:37 +1100, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Fri, 2005-02-25 at 09:21 -0500, Alex Deucher wrote:
> > On Fri, 25 Feb 2005 14:07:58 +0100, Esben Stien <b0ef at esben-stien.name> wrote:
> > > I'm planning on getting the M9179LL/A; it's a Apple 30" Widescreen
> > > LCD, http://www.apple.com/displays/ - probably Samsung or Viewsonic
> > > OEM. If anyone knows please tell.
> > >
> > > I intend to run this with a rv280 gpu, Radeon 9250 on GNU/Linux. This
> > > card features a single link DVI which is not sufficient to run the LCD
> > > in native resolution, 2560x1600. I will run in 1280x800/1920x1200
> > > until a card is out that is supported with libre software. I have seen
> > > this monitor operate at 1280x800/1920x1200 and it's blurryness is
> > > acceptable for a short term solution.
> > >
> > some of the newer ati r3/4xx cards have a dual-link tmds transmitter
> > connected to the DVO port (the firegl v5000 or v5100 come to mind,
> > perhaps some oems as well). The driver should already support the
> > external tmds transmitter, however, it may need some hacks to
> > initialize it correctly in duallink mode. If you had such a card, I
> > can probably help you get dual-link mode up and running.
> Do you know how to talk to the external transmitter at all ?
only via fp2_gen_cntl and friends. however I think that's all you need.
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