[PATCH] drm/radeon: Disable writeback by default on ppc

[Alex Deucher]

On Fri, Dec 6, 2013 at 10:59 AM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Fri, Dec 6, 2013 at 8:58 AM, Kleber Sacilotto de Souza
> <klebers at linux.vnet.ibm.com> wrote:
>> On 12/05/2013 12:42 PM, Alex Deucher wrote:
>>>
>>> Well, we'd need to start swapping indirect buffers and the ring as
>>> well then which would get tricky as the CP at least does not have
>>> separate swapping controls for different things.  Probably easier to
>>> fix up as appropriate for different asic families.  We have function
>>> pointers for the rtpr and wptr fetchers now, so we can do this pretty
>>> cleanly.
>>>
>>> Alex
>>
>>
>> Alex,
>>
>> Are you going to send a patch to fix this?
>>
>> If not, I don't have the knowledge of which asic families will need this
>> fix, but if you inform me what needs to be done I can write the patch.
>
> I'll try and send a patch out in the next few days.

Patch attached.  Compile tested only at the moment.

Alex

>
> Alex
>
>>
>>
>> Thanks,
>>
>>
>> --
>> Kleber Sacilotto de Souza
>> IBM Linux Technology Center
>>
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