[Intel-gfx] [PATCH] drm/i915: Check locking in i915_gem_request_unreference

[Chris Wilson]

On Wed, Nov 26, 2014 at 10:28:13AM +0100, Daniel Vetter wrote:
> With refcounting it looks like you can just drop that refcount, but
> that's not really the case. So make sure no one forgets.
> 
> Motivated by the unlocked call in the mmio flip code.

I had an unlocked variant for exactly this purpose (and a few others
where we do not want to take the lock again) and so also had the WARN
inside i915_request_free.

Drop the _gem_, the requests are lower level than GEM itself.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre