On Fri, Nov 24, 2017 at 12:29:16PM +0000, Chris Wilson wrote:
> Since we know that the port is empty, we do not need to extract the
> count from the old request it and copy it over to the new request, or
> attempt to unref the NULL old request pointer.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx>
Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
-Michał
> ---
> drivers/gpu/drm/i915/intel_guc_submission.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c
> index cbf5a96f5806..b619e591f8f1 100644
> --- a/drivers/gpu/drm/i915/intel_guc_submission.c
> +++ b/drivers/gpu/drm/i915/intel_guc_submission.c
> @@ -718,12 +718,9 @@ static void guc_submit(struct intel_engine_cs *engine)
> static void port_assign(struct execlist_port *port,
> struct drm_i915_gem_request *rq)
> {
> - GEM_BUG_ON(rq == port_request(port));
> + GEM_BUG_ON(port_isset(port));
>
> - if (port_isset(port))
> - i915_gem_request_put(port_request(port));
> -
> - port_set(port, port_pack(i915_gem_request_get(rq), port_count(port)));
> + port_set(port, i915_gem_request_get(rq));
> }
>
> static void guc_dequeue(struct intel_engine_cs *engine)
> --
> 2.15.0
>
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