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

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On Mon, 2012-01-30 at 14:03 +0100, acrux wrote: 
> On Mon, 30 Jan 2012 10:34:03 +0100
> Michel Dänzer <michel@xxxxxxxxxxx> 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

Might be due to VGA_ARB_MAX_GPUS, which depends on VGA_ARB. Try removing
that from .config as well.

If that still doesn't work, please describe how exactly you're trying to
disable VGA_ARB.


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer
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