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

[Alex Deucher]

On Mon, Jun 6, 2016 at 1:16 PM, Marek Olšák <maraeo at gmail.com> wrote:
> [+ dri-devel]
>
> On Mon, Jun 6, 2016 at 8:42 AM, Mathieu Malaterre <malat at debian.org> 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 ?

Yes, probably.  But is there any reason why you'd want to use radeonfb
rather than radeon?

Alex