[Intel-gfx] [PATCH 1/4] drm/i915: Clearing buffer objects via CPU/GTT

[Chris Wilson]

On Wed, Jul 22, 2015 at 04:01:33PM +0100, Tvrtko Ursulin wrote:
> This I don't understand. Why it is OK to release a fence and never
> re-establish it? Could that surprise some callers?

We always call get_fence() before we need it (and pin it as required),
because it can be revoked at anytime as they are a scarce resource.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre