[Intel-gfx] inter-engine read-read optimisations

[Chris Wilson]

On Thu, Mar 26, 2015 at 04:09:09PM +0000, Lionel Landwerlin wrote:
> 
> Chris,
> 
> Here is another iteration/rebase on top of nightly of your read-read
> optimisations patch.
> 
> The main change is replacing the refcount for the active field of the
> drm_i915_gem_object with a bit field (1 bit per engine).

I had already applied that:

v5: Use obj->active as a bitfield, it looks cool
v6: Micro-optimise, mostly involving moving code around

:-p
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre