Make the r128 driver work without fbdev

[Benjamin Herrenschmidt]

On Thu, 2004-12-16 at 17:07 -0500, Alex Deucher wrote:

> but if you are using CRT only, the FP should be turned off.  I thought
> you were saying you got garbage drawn on the LCD when you set the
> display to CRT only.

I suspect that when he uses CRT only, the panel blooms (lack of signal)
and isn't shut down properly.... The actual LVDS interface shutdown
mecanism is a bit weird, on some chips, it requires specific timings.

> I doubt s-video will work.  There's no code to handle it.  it may if
> the bios/firmware has set it up to be on by default.

It usually doesn't on PPC.... If the video cell of the M3 is the same as
the one on Radeon M6/7/9, then there is chance we get that working one
day, the open-beos driver does have code for it that we can re-use (I
asked the author).

Ben.