Radeon problems

Paul Mackerras paulus at samba.org
Mon Jul 21 22:53:53 EST 2003

Giuliano Pochini writes:

> I have a dual G4-mdd with a r9000 and I'm using
> Linux Jay 2.4.22-pre6 #4 SMP sab lug 19 08:29:11 UTC 2003 ppc unknown
> Problem #1: Radeonfb sets a video mode that isn't supported by my LCD
> monitor. I have to blindly type "/usr/sbin/fbset -a 1280x1024-60 -depth 16"
> at the root console every time (*if* it boots, because I make the box crash
> quite often :( ). Is there a boot option to set the right video mode ?

With a 2.5 kernel I use video=radeonfb:dfp quite successfully.  With
2.4 I think you have to say video=radeon:dfp (without the "fb").

> Problem #2: I've managed only to use X in fbdev mode at 16bits. No way to
> use the radeon driver.  Any hint ?
> [XFree86 Version 4.2.0 (echo Yellow Dog Linux release: 4.2.0-6.30e) / X Window System]

I have been using radeonfb together with Michel Daenzer's X server and
DRI modules very successfully for a while now.


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