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Commit 8c5da3bb authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/guc: Tidy ELSP port assignment 



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: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: default avatarMichał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171124130031.20761-1-chris@chris-wilson.co.uk
parent aa34a6fc

drivers/gpu/drm/i915/intel_guc_submission.c

+2 −5
Original line number Diff line number Diff line
@@ -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));



	if (port_isset(port))

		i915_gem_request_put(port_request(port));

	GEM_BUG_ON(port_isset(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)