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

[Ben Crocker]

That's what IBM is most interested in at this juncture:
FirePro 2270
Embedded Radeon E6465

The E6465 already worked without this patch.


On Thu, Feb 22, 2018 at 6:39 PM, Ben Crocker <bcrocker at redhat.com> wrote:

> 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
>>>
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180222/0c1b9dcf/attachment.html>