failure on linux-3.2 and radeon kms with a FireGL V5600 on PPC64

[acrux]

On Mon, 30 Jan 2012 10:34:03 +0100
Michel Dänzer <michel at daenzer.net> wrote:

> On Son, 2012-01-29 at 23:27 +0100, acrux wrote: 
> > hi all,
> > i'm unable to have a working Radeon KMS framebuffer with an ATI FireGL
> > V5600 on my YDL Powerstation and i'm obliged to use the old
> > OpenFirmware fb. 
> > 
> > That's from my dmesg [1]:
> > 
> > [...]
> > vgaarb: device added: PCI:0000:f1:00.0,decodes=io+mem,owns=none,locks=none
> > vgaarb: loaded
> > vgaarb: bridge control possible 0000:f1:00.0
> > [...]
> > [drm] Initialized drm 1.1.0 20060810
> > [drm] radeon defaulting to kernel modesetting.
> > [drm] radeon kernel modesetting enabled.
> > [drm] initializing kernel modesetting (RV630 0x1002:0x958C 0x1002:0x0B02).
> > radeon 0000:f1:00.0: Using 32-bit DMA via iommu
> > [drm] register mmio base: 0xE8000000
> > [drm] register mmio size: 65536
> > radeon 0000:f1:00.0: Invalid ROM contents
> > radeon 0000:f1:00.0: Expecting atombios for R600 GPU
> > radeon 0000:f1:00.0: Fatal error during GPU init
> 
> Looks like there's a problem retrieving the card's ROM contents. Does
> rebuilding the kernel with CONFIG_VGA_ARB disabled make a difference?
> 
> 

hi Michel,
thanks for your help but i'm unable to disable VGA_ARB 'cause it's automatically enabled.
Can you suggest me a way to disable it?
Here my kernel config: http://cruxppc.org/~acrux/config-kms

best,
--nico
-- 
acrux <acrux_it at libero.it>