[PATCH v2] Revert "dma-buf/sync-file: Avoid enable fence signaling if poll(.timeout=0)"

[Chris Wilson]

On Fri, Nov 18, 2016 at 05:26:43PM +0900, Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
> 
> This reverts commit ecebca79f6976ddaddfd054d699272515869ea28.
> 
> Do not enable fence callback on poll() when using fence_array causes the
> fence_array to not signal.
> 
> For now we will revert the change and enable signaling everytime time
> poll is called with timeout=0 as well.
> 
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>

Acked-by: Chris Wilson <chris at chris-wilson.co.uk>

I have some patches to use a bit on fence_array->flags to indicate where
we can use this shortcut. I'm hoping someone has a better idea.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre