radeon/r128 patches

[Alex Deucher]

On Thu, 23 Dec 2004 09:35:32 +0100, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Tue, 2004-12-21 at 14:35 -0500, Alex Deucher wrote:
> 
> > > My eyes are actually better off at 1280x1024 anyway, and the scale is
> > > more comparable with 1152x768 on the LCD anyway so it is no biggy. It
> > > could just be the monitor (I will see if it repeats with my Sony E500 at
> > > work).
> >
> > It may be a bandwidth issue.  the mobility r128 perhaps can't quite
> > drive the display at that resolution or maybe the vga port hardware
> > wasn't designed to handle it.  Can MacOS handle it?
> 
> Either that, or it is a problem with the setting of the external TMDS
> transmitter...
> 

did the r128 powerbooks have a DVI port on them?  I just assumed they
were all VGA ports.  If so the code will need some work to handle tmds
on crtc2.  right now it just defaults to crt.

Alex

> If you set MacOS to that mode, so that the firmware does initialize the
> display to the highest resolution at boot, do you still get the noise ?
> 
> Ben.
>