[Intel-gfx] [PATCH 2/5] drm/i915: Lift timeline ordering to await_dma_fence

[Joonas Lahtinen]

On ma, 2017-04-10 at 09:55 +0100, Chris Wilson wrote:
> Currently we filter out repeated use of the same timeline in the low
> level i915_gem_request_await_request(), after having added the
> dependency on the old request. However, we can lift this to
> i915_gem_request_await_dma_fence() (before the dependency is added)
> using the observation that requests along the same timeline are
> explicitly ordered via i915_add_request (along with the dependencies).
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation