[PATCH] nouveau: add coherent BO attribute

[Alexandre Courbot]

On Wed, May 20, 2015 at 3:53 PM, Martin Peres <martin.peres at free.fr> wrote:
> On 20/05/15 08:11, Alexandre Courbot wrote:
>>
>> On Fri, May 15, 2015 at 8:39 PM, Maarten Lankhorst
>> <maarten at mblankhorst.nl> wrote:
>>>
>>> Op 15-05-15 om 09:11 schreef Alexandre Courbot:
>>>>
>>>> Re-pinging Marteen on an email address that still exists :P
>>>>
>>>> On Wed, Apr 22, 2015 at 6:08 PM, Alexandre Courbot <gnurou at gmail.com>
>>>> wrote:
>>>>>
>>>>> On Sun, Mar 15, 2015 at 5:41 PM, Alexandre Courbot
>>>>> <acourbot at nvidia.com> wrote:
>>>>>>
>>>>>> On 03/14/2015 04:33 AM, Maarten Lankhorst wrote:
>>>>>>>
>>>>>>> Hey,
>>>>>>>
>>>>>>> Op 13-03-15 om 07:27 schreef Alexandre Courbot:
>>>>>>>>
>>>>>>>> Add a flag allowing Nouveau to specify that an object should be
>>>>>>>> coherent
>>>>>>>> at allocation time. This is required for some class of objects like
>>>>>>>> fences which are randomly-accessed by both the CPU and GPU. This
>>>>>>>> flag
>>>>>>>> instructs the kernel driver to make sure the object remains coherent
>>>>>>>> even on architectures for which coherency is not guaranteed by the
>>>>>>>> bus.
>>>>>>>>
>>>>>>>> Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
>>>>>>>
>>>>>>> I don't see a problem with this patch, but similar patches to intel
>>>>>>> to
>>>>>>> libdrm have been shot down when the changes weren't in an official
>>>>>>> kernel
>>>>>>> yet, so I think this should wait until the change is at least in
>>>>>>> drm-next.
>>>>>>> ;-)
>>>>>>
>>>>>> Sounds good. I will ping you again once the kernel change reaches
>>>>>> -next.
>>>>>
>>>>> Hi Marteen,
>>>>>
>>>>> The kernel change required for this patch is now in -next. Do you
>>>>> think we can merge it now?
>>>
>>> I think it would be ok to merge now.
>>
>> Great - who could do this? :P
>
>
> I could do it. Please provide me with the patch with the necessary R-b and I
> can push it to our libdrm (and/or mesa).

Thanks, I just sent a v2 with you included. I have yet to receive
formal R-b and A-b for it though.