RFC: Add write flag to reservation object fences

[Christian König]

Am 10.08.2018 um 11:21 schrieb Daniel Vetter:
> [SNIP]
> Then don't track _any_ of the amdgpu internal fences in the reservation object:
> - 1 reservation object that you hand to ttm, for use internally within amdgpu
> - 1 reservation object that you attach to the dma-buf (or get from the
> imported dma-buf), where you play all the tricks to fake fences.

Well that is an interesting idea. Going to try that one out.

Regards,
Christian.

> -Daniel