[Mesa-dev] [PATCH v2] vc4: add hash table look-up for exported dmabufs

[Rob Clark]

On Mon, Jul 25, 2016 at 8:47 PM, Eric Anholt <eric at anholt.net> wrote:
> Rob Herring <robh at kernel.org> writes:
>
>> It is necessary to reuse existing BOs when dmabufs are imported. There
>> are 2 cases that need to be handled. dmabufs can be created/exported and
>> imported by the same process and can be imported multiple times.
>> Copying other drivers, add a hash table to track exported BOs so the
>> BOs get reused.
>>
>> Cc: Eric Anholt <eric at anholt.net>
>> Signed-off-by: Rob Herring <robh at kernel.org>
>
> Looks good to me, other than a bit of funny whitespace that I'll fix up.
> I built a piglit test for this today (want to go take a look at those?),
> and once I get a piglit run through, I'll push the change.

I don't suppose you have a branch somewhere?  I should probably give
that a try..  I've had
https://trello.com/c/x34U0kTQ/114-teach-piglit-about-libdrm-freedreno-for-dmabuf-tests
on my todo list for a while (but a generic gbm based solution seems
even better than teaching piglit about libdrm_$drivername ;-))

BR,
-R


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