engine = rq->engine;
 
        rcu_read_lock(); /* RCU serialisation for set-wedged protection */
-       if (engine->schedule)
-               engine->schedule(rq, attr);
+       if (engine->sched_engine->schedule)
+               engine->sched_engine->schedule(rq, attr);
        rcu_read_unlock();
 }
 
 
        if (engine->context_size)
                DRIVER_CAPS(i915)->has_logical_contexts = true;
 
-       /* Nothing to do here, execute in order of dependencies */
-       engine->schedule = NULL;
-
        ewma__engine_latency_init(&engine->latency);
        seqcount_init(&engine->stats.lock);
 
 
                         * but all other contexts, including the kernel
                         * context are stuck waiting for the signal.
                         */
-               } else if (engine->schedule &&
+               } else if (engine->sched_engine->schedule &&
                           rq->sched.attr.priority < I915_PRIORITY_BARRIER) {
                        /*
                         * Gradually raise the priority of the heartbeat to
                                attr.priority = I915_PRIORITY_BARRIER;
 
                        local_bh_disable();
-                       engine->schedule(rq, &attr);
+                       engine->sched_engine->schedule(rq, &attr);
                        local_bh_enable();
                } else {
                        if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
 
        void            (*bond_execute)(struct i915_request *rq,
                                        struct dma_fence *signal);
 
-       /*
-        * Call when the priority on a request has changed and it and its
-        * dependencies may need rescheduling. Note the request itself may
-        * not be ready to run!
-        */
-       void            (*schedule)(struct i915_request *request,
-                                   const struct i915_sched_attr *attr);
-
        void            (*release)(struct intel_engine_cs *engine);
 
        struct intel_engine_execlists execlists;
 
        for_each_uabi_engine(engine, i915) { /* all engines must agree! */
                int i;
 
-               if (engine->schedule)
+               if (engine->sched_engine->schedule)
                        enabled |= (I915_SCHEDULER_CAP_ENABLED |
                                    I915_SCHEDULER_CAP_PRIORITY);
                else
 
 static void execlists_set_default_submission(struct intel_engine_cs *engine)
 {
        engine->submit_request = execlists_submit_request;
-       engine->schedule = i915_schedule;
+       engine->sched_engine->schedule = i915_schedule;
        engine->execlists.tasklet.callback = execlists_submission_tasklet;
 }
 
        ve->base.cops = &virtual_context_ops;
        ve->base.request_alloc = execlists_request_alloc;
 
-       ve->base.schedule = i915_schedule;
+       ve->base.sched_engine->schedule = i915_schedule;
        ve->base.submit_request = virtual_submit_request;
        ve->base.bond_execute = virtual_bond_execute;
 
 
                        };
 
                        /* Alternatively preempt the spinner with ce[1] */
-                       engine->schedule(rq[1], &attr);
+                       engine->sched_engine->schedule(rq[1], &attr);
                }
 
                /* And switch back to ce[0] for good measure */
        i915_request_add(rq);
 
        local_bh_disable();
-       engine->schedule(rq, &attr);
+       engine->sched_engine->schedule(rq, &attr);
        local_bh_enable(); /* kick tasklet */
 
        i915_request_put(rq);
                        err = PTR_ERR(rq);
                        goto err_heartbeat;
                }
-               engine->schedule(rq, &attr);
+               engine->sched_engine->schedule(rq, &attr);
                err = wait_for_submit(engine, rq, HZ / 2);
                if (err) {
                        pr_err("%s: Timed out trying to submit semaphores\n",
                }
 
                attr.priority = I915_PRIORITY_MAX;
-               engine->schedule(rq, &attr);
+               engine->sched_engine->schedule(rq, &attr);
 
                if (!igt_wait_for_spinner(&spin_hi, rq)) {
                        pr_err("High priority context failed to preempt the low priority context\n");
                        i915_request_add(rq_b);
 
                        GEM_BUG_ON(i915_request_completed(rq_a));
-                       engine->schedule(rq_a, &attr);
+                       engine->sched_engine->schedule(rq_a, &attr);
                        igt_spinner_end(&a.spin);
 
                        if (!igt_wait_for_spinner(&b.spin, rq_b)) {
 
                        i915_request_get(rq);
                        i915_request_add(rq);
-                       engine->schedule(rq, &attr);
+                       engine->sched_engine->schedule(rq, &attr);
 
                        igt_spinner_end(&hi.spin);
                        if (i915_request_wait(rq, 0, HZ / 5) < 0) {
                                break;
 
                        /* Submit each spinner at increasing priority */
-                       engine->schedule(rq, &attr);
+                       engine->sched_engine->schedule(rq, &attr);
                } while (prio <= I915_PRIORITY_MAX &&
                         !__igt_timeout(end_time, NULL));
                pr_debug("%s: Preempt chain of %d requests\n",
        i915_request_get(rq);
        i915_request_add(rq);
 
-       engine->schedule(rq, &attr);
+       engine->sched_engine->schedule(rq, &attr);
 
        if (i915_request_wait(rq, 0, HZ / 2) < 0)
                err = -ETIME;
 
                rq[idx] = i915_request_get(new);
                i915_request_add(new);
 
-               if (engine->schedule && arg->flags & TEST_PRIORITY) {
+               if (engine->sched_engine->schedule && arg->flags & TEST_PRIORITY) {
                        struct i915_sched_attr attr = {
                                .priority =
                                        i915_prandom_u32_max_state(512, &prng),
                        };
-                       engine->schedule(rq[idx], &attr);
+                       engine->sched_engine->schedule(rq[idx], &attr);
                }
 
                err = active_request_put(old);
 
        engine->cops = &guc_context_ops;
        engine->request_alloc = guc_request_alloc;
 
-       engine->schedule = i915_schedule;
+       engine->sched_engine->schedule = i915_schedule;
 
        engine->reset.prepare = guc_reset_prepare;
        engine->reset.rewind = guc_reset_rewind;
 
        }
 
        /* Couple the dependency tree for PI on this exposed to->fence */
-       if (to->engine->schedule) {
+       if (to->engine->sched_engine->schedule) {
                err = i915_sched_node_add_dependency(&to->sched,
                                                     &from->sched,
                                                     I915_DEPENDENCY_WEAK);
                return 0;
        }
 
-       if (to->engine->schedule) {
+       if (to->engine->sched_engine->schedule) {
                ret = i915_sched_node_add_dependency(&to->sched,
                                                     &from->sched,
                                                     I915_DEPENDENCY_EXTERNAL);
                        __i915_sw_fence_await_dma_fence(&rq->submit,
                                                        &prev->fence,
                                                        &rq->dmaq);
-               if (rq->engine->schedule)
+               if (rq->engine->sched_engine->schedule)
                        __i915_sched_node_add_dependency(&rq->sched,
                                                         &prev->sched,
                                                         &rq->dep,
         * decide whether to preempt the entire chain so that it is ready to
         * run at the earliest possible convenience.
         */
-       if (attr && rq->engine->schedule)
-               rq->engine->schedule(rq, attr);
+       if (attr && rq->engine->sched_engine->schedule)
+               rq->engine->sched_engine->schedule(rq, attr);
 
        local_bh_disable();
        __i915_request_queue_bh(rq);
 
         * @no_priolist: priority lists disabled
         */
        bool no_priolist;
+
+       /**
+        * @schedule: adjust priority of request
+        *
+        * Call when the priority on a request has changed and it and its
+        * dependencies may need rescheduling. Note the request itself may
+        * not be ready to run!
+        */
+       void    (*schedule)(struct i915_request *request,
+                           const struct i915_sched_attr *attr);
 };
 
 #endif /* _I915_SCHEDULER_TYPES_H_ */