[Nouveau] [PATCH v2] nouveau: add coherent BO attribute

Martin Peres martin.peres at free.fr
Thu May 21 11:23:07 PDT 2015

On 21/05/2015 11:47, Ben Skeggs wrote:
> On 21 May 2015 at 16:08, Alexandre Courbot <acourbot at nvidia.com> wrote:
>> 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>
> Reviewed-by: Ben Skeggs <bskeggs at redhat.com>


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