On Fri, Jan 08, 2016 at 11:29:40AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>
> Same effect for slightly less source code and resulting binary.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_lrc.c | 15 ++++++---------
> 1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 23839ff04e27..8b6071fcd743 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -431,9 +431,8 @@ static void execlists_context_unqueue(struct intel_engine_cs *ring)
> /* Same ctx: ignore first request, as second request
> * will update tail past first request's workload */
> cursor->elsp_submitted = req0->elsp_submitted;
> - list_del(&req0->execlist_link);
> - list_add_tail(&req0->execlist_link,
> - &ring->execlist_retired_req_list);
> + list_move_tail(&req0->execlist_link,
> + &ring->execlist_retired_req_list);
> req0 = cursor;
> } else {
> req1 = cursor;
> @@ -485,9 +484,8 @@ static bool execlists_check_remove_request(struct intel_engine_cs *ring,
> "Never submitted head request\n");
>
> if (--head_req->elsp_submitted <= 0) {
> - list_del(&head_req->execlist_link);
> - list_add_tail(&head_req->execlist_link,
> - &ring->execlist_retired_req_list);
> + list_move_tail(&head_req->execlist_link,
> + &ring->execlist_retired_req_list);
> return true;
Aside: Some of this code is over-indented ...
-Daniel
> }
> }
> @@ -608,9 +606,8 @@ static int execlists_context_queue(struct drm_i915_gem_request *request)
> if (request->ctx == tail_req->ctx) {
> WARN(tail_req->elsp_submitted != 0,
> "More than 2 already-submitted reqs queued\n");
> - list_del(&tail_req->execlist_link);
> - list_add_tail(&tail_req->execlist_link,
> - &ring->execlist_retired_req_list);
> + list_move_tail(&tail_req->execlist_link,
> + &ring->execlist_retired_req_list);
> }
> }
>
> --
> 1.9.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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