[PATCH 5/8] drm/i915: Move engine->schedule to i915_sched_engine

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The schedule function should be in the schedule object.

v3:
 (Jason Ekstrand)
  Add kernel doc

Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_wait.c         |  4 ++--
 drivers/gpu/drm/i915/gt/intel_engine_cs.c        |  3 ---
 drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c |  4 ++--
 drivers/gpu/drm/i915/gt/intel_engine_types.h     |  8 --------
 drivers/gpu/drm/i915/gt/intel_engine_user.c      |  2 +-
 .../gpu/drm/i915/gt/intel_execlists_submission.c |  4 ++--
 drivers/gpu/drm/i915/gt/selftest_execlists.c     | 16 ++++++++--------
 drivers/gpu/drm/i915/gt/selftest_hangcheck.c     |  4 ++--
 .../gpu/drm/i915/gt/uc/intel_guc_submission.c    |  2 +-
 drivers/gpu/drm/i915/i915_request.c              | 10 +++++-----
 drivers/gpu/drm/i915/i915_scheduler_types.h      | 10 ++++++++++
 11 files changed, 33 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
index 1e97520c62b2..1070d3afdce7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
@@ -104,8 +104,8 @@ static void fence_set_priority(struct dma_fence *fence,
 	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();
 }
 
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 3c3f09a4acdd..7ff2640aa74a 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -328,9 +328,6 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id)
 	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);
 
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
index b99ac41695f3..b6a305e6a974 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
@@ -121,7 +121,7 @@ static void heartbeat(struct work_struct *wrk)
 			 * 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
@@ -136,7 +136,7 @@ static void heartbeat(struct work_struct *wrk)
 				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))
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 5e0f39d202ef..0bb65c57d274 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -428,14 +428,6 @@ struct intel_engine_cs {
 	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;
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c
index 3cca7ea2d6ea..84142127ebd8 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_user.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c
@@ -108,7 +108,7 @@ static void set_scheduler_caps(struct drm_i915_private *i915)
 	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
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 0591698573e8..8a3d4014fd2c 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -3119,7 +3119,7 @@ static bool can_preempt(struct intel_engine_cs *engine)
 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;
 }
 
@@ -3701,7 +3701,7 @@ intel_execlists_create_virtual(struct intel_engine_cs **siblings,
 	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;
 
diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c
index d213fc4df411..6c0583e7a4c8 100644
--- a/drivers/gpu/drm/i915/gt/selftest_execlists.c
+++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c
@@ -273,7 +273,7 @@ static int live_unlite_restore(struct intel_gt *gt, int prio)
 			};
 
 			/* 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 */
@@ -900,7 +900,7 @@ release_queue(struct intel_engine_cs *engine,
 	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);
@@ -1325,7 +1325,7 @@ static int live_timeslice_queue(void *arg)
 			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",
@@ -1867,7 +1867,7 @@ static int live_late_preempt(void *arg)
 		}
 
 		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");
@@ -2480,7 +2480,7 @@ static int live_suppress_self_preempt(void *arg)
 			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)) {
@@ -2612,7 +2612,7 @@ static int live_chain_preempt(void *arg)
 
 			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) {
@@ -2971,7 +2971,7 @@ static int live_preempt_gang(void *arg)
 				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",
@@ -3219,7 +3219,7 @@ static int preempt_user(struct intel_engine_cs *engine,
 	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;
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 853246fad05f..cec4b9977c9b 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -858,12 +858,12 @@ static int active_engine(void *data)
 		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);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 6b8f6544d91a..60121809e6e2 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -615,7 +615,7 @@ static void guc_default_vfuncs(struct intel_engine_cs *engine)
 	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;
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index bd58198735dc..c5989c0b83d3 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1343,7 +1343,7 @@ __i915_request_await_execution(struct i915_request *to,
 	}
 
 	/* 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);
@@ -1484,7 +1484,7 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
 		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);
@@ -1671,7 +1671,7 @@ __i915_request_add_to_timeline(struct i915_request *rq)
 			__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,
@@ -1743,8 +1743,8 @@ void __i915_request_queue(struct i915_request *rq,
 	 * 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);
diff --git a/drivers/gpu/drm/i915/i915_scheduler_types.h b/drivers/gpu/drm/i915/i915_scheduler_types.h
index 74e3bb2b2a65..0c1e417b0164 100644
--- a/drivers/gpu/drm/i915/i915_scheduler_types.h
+++ b/drivers/gpu/drm/i915/i915_scheduler_types.h
@@ -152,6 +152,16 @@ struct i915_sched_engine {
 	 * @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_ */
-- 
2.28.0




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