Radeon 7500

[Dan Burcaw]

On Sat, 7 Sep 2002, Ron McCall wrote:

> > First of all, I am using a 22" Apple Cinema Display (ADC version).  I
> > am unable to get either the radeon or radeonfb frame buffers to work
> > (currently using video=ofonly).  I have tried the following
> > combinations:
> > 
> > video=radeon:1600x1024-24@60
> > video=radeon:1600x1024-8@60
> > video=radeonfb:1600x1024-24@60
> > video=radeonfb:1600x1024-8@60
> 
> After doing some more web searching, I found a message from Dan Burcaw
> who mentioned a different combination: video=radeon:dfp.  That
> combination fixed my blank screen during boot but I am still having
> trouble with blank screens when leaving X or when switching to a VT from
> X (the same was happening when I used video=ofonly).  I also found some
> interesting info in my dmesg output during boot (when using
> video=radeon:dfp):
> 
> fb0: Open Firmware frame buffer device on
> /pci@f0000000/ATY,BlueStoneParent@10/ATY,BlueStone_A
> no framebuffer address found for
> /pci@f0000000/ATY,BlueStoneParent@10/ATY,BlueStone_B
> 
> It sure doesn't sound like the video=radeon:dfp option worked at all.
> Am I doing something wrong here?

The BlueStone_B part just refers to your second video connector on that 
card I imagine.  Could you try a newer kernel (e.g. benh rsync) and
see if console switching works?