Re: [Mesa-dev] radeonfb: BAR 0: can't reserve [mem 0x98000000-0x9fffffff pref]

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[+ dri-devel]

On Mon, Jun 6, 2016 at 8:42 AM, Mathieu Malaterre <malat@xxxxxxxxxx> wrote:
> Hi,
>
> Before reporting a possible invalid bug report. Does anyone knows why
> radeaonfb is not configured the same way radeon is ? For instance on a
> PowerPC machine, when Open Firmware Frame Buffer is used (OFfb), I
> cannot `modprobe radeonfb` (but I can load `radeon`). It fails with:
>
> [   96.551486] radeonfb 0000:00:10.0: enabling device (0006 -> 0007)
> [   96.551526] radeonfb 0000:00:10.0: BAR 0: can't reserve [mem
> 0x98000000-0x9fffffff pref]
> [   96.551531] radeonfb (0000:00:10.0): cannot request region 0.
> [   96.551545] radeonfb: probe of 0000:00:10.0 failed with error -16
>
> It seems (to me) that it should be possible to add something like this
> to `radeonfb`:
>
> https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/radeon/radeon_drv.c#L353
>
> Is the above correct ?
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