radeon/r128 patches

Alex Deucher alexdeucher at gmail.com
Fri Dec 24 09:57:52 PST 2004


On Fri, 24 Dec 2004 09:43:42 +0100, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Thu, 2004-12-23 at 15:07 -0600, David Stanaway wrote:
> 
> > In Panther, the display is fine.
> 
> When you reboot in Open Firmware after going to panther, is your second
> monitor set up at the full resolution or not ? Can you try with OS 9
> provided you still have it around ? I want to make sure that the OF
> driver properly sets up the external TMDS transmitter for the higher
> frequency (r128 doesn't have an internal one, does it ?)
> 

It does.  Independant internal lvds and tmds; pretty much just like radeon.

Alex

> It would be useful also to try to "spy" the registers in MacOS, but
> while I know how to do it in OS 9, I don't have the tools for that in
> Panther.
> 
> > After rebooting from panther into linux, I get the same problem. It is
> > fairly minor really, and is related to areas of bright color on the
> > display.
> >
> > For an example of what I see, check here:
> >
> > http://sprocket.stanaway.net/~david/xorg/1600x1200-rain.png
> >
> > The rain is highlighted with green markers.
> >
> > This is with a sony CPD-E500 display. It is similar to what I was
> > getting with the apple blueberry 21", although on that, the rain was
> > more pronounced, and was not vertically aligned, but diagonally aligned.
> >
> --
> Benjamin Herrenschmidt <benh at kernel.crashing.org>
> 
>



More information about the xorg mailing list