[PATCH] drm/radeon: insist on 32-bit DMA for Cedar on PPC64/PPC64LE

[Ben Crocker]

Alex asked what other GPUs I've tested on, and the answer is: E6465 (Caicos
GPU).

-- Ben


On Thu, Feb 22, 2018 at 1:33 PM, Ben Crocker <bcrocker at redhat.com> wrote:

> I think that last version I sent a few minutes ago is final form, now.
> Thanks for all your help!
>
> If there's anything you could do to expedite posting this patch to the
> main repo, that would be GREATLY appreciated!
>
> -- Thanks,
>   Ben
>
>
> On Thu, Feb 22, 2018 at 12:56 PM, Michel Dänzer <michel at daenzer.net>
> wrote:
>
>> On 2018-02-22 06:37 PM, Ben Crocker wrote:
>> > One of my colleagues did discover a "Radeon HG 5450 PCI" from February
>> > 2010 which did, apparently, have a Cedar GPU and very definitely had a
>> > (plain old) PCI connector.
>>
>> There must be a PCIe-to-PCI bridge on that board. The GPU itself is
>> always PCIe, and treated accordingly by the driver.
>>
>>
>> --
>> Earthling Michel Dänzer               |               http://www.amd.com
>> Libre software enthusiast             |             Mesa and X developer
>>
>
>
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