linux-kernel - [RFC 6/8] drm/i915: Make some recently added vfuncs use full scheduling attribute

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Message-Id: <20211004143650.699120-7-tvrtko.ursulin@linux.intel.com>
Date:   Mon,  4 Oct 2021 15:36:48 +0100
From:   Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
To:     Intel-gfx@...ts.freedesktop.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Tvrtko Ursulin <tvrtko.ursulin@...el.com>,
        Matthew Brost <matthew.brost@...el.com>,
        Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>
Subject: [RFC 6/8] drm/i915: Make some recently added vfuncs use full scheduling attribute

From: Tvrtko Ursulin <tvrtko.ursulin@...el.com>

Code added in 71ed60112d5d ("drm/i915: Add kick_backend function to
i915_sched_engine") and ee242ca704d3 ("drm/i915/guc: Implement GuC
priority management") introduced some scheduling related vfuncs which
take integer request priority as argument.

Make them instead take struct i915_sched_attr, which is the type
encapsulating this information, so it probably aligns with the design
better. It definitely enables extending the set of scheduling attributes.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@...el.com>
Cc: Matthew Brost <matthew.brost@...el.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>
---
 drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 4 +++-
 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c    | 3 ++-
 drivers/gpu/drm/i915/i915_scheduler.c                | 4 ++--
 drivers/gpu/drm/i915/i915_scheduler_types.h          | 4 ++--
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 7147fe80919e..e91d803a6453 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -3216,11 +3216,13 @@ static bool can_preempt(struct intel_engine_cs *engine)
 	return engine->class != RENDER_CLASS;
 }
 
-static void kick_execlists(const struct i915_request *rq, int prio)
+static void kick_execlists(const struct i915_request *rq,
+			   const struct i915_sched_attr *attr)
 {
 	struct intel_engine_cs *engine = rq->engine;
 	struct i915_sched_engine *sched_engine = engine->sched_engine;
 	const struct i915_request *inflight;
+	const int prio = attr->priority;
 
 	/*
 	 * We only need to kick the tasklet once for the high priority
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 ba0de35f6323..b5883a4365ca 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -2414,9 +2414,10 @@ static void guc_init_breadcrumbs(struct intel_engine_cs *engine)
 }
 
 static void guc_bump_inflight_request_prio(struct i915_request *rq,
-					   int prio)
+					   const struct i915_sched_attr *attr)
 {
 	struct intel_context *ce = rq->context;
+	const int prio = attr->priority;
 	u8 new_guc_prio = map_i915_prio_to_guc_prio(prio);
 
 	/* Short circuit function */
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
index 762127dd56c5..534bab99fcdc 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -255,7 +255,7 @@ static void __i915_schedule(struct i915_sched_node *node,
 
 		/* Must be called before changing the nodes priority */
 		if (sched_engine->bump_inflight_request_prio)
-			sched_engine->bump_inflight_request_prio(from, prio);
+			sched_engine->bump_inflight_request_prio(from, attr);
 
 		WRITE_ONCE(node->attr.priority, prio);
 
@@ -280,7 +280,7 @@ static void __i915_schedule(struct i915_sched_node *node,
 
 		/* Defer (tasklet) submission until after all of our updates. */
 		if (sched_engine->kick_backend)
-			sched_engine->kick_backend(node_to_request(node), prio);
+			sched_engine->kick_backend(node_to_request(node), attr);
 	}
 
 	spin_unlock(&sched_engine->lock);
diff --git a/drivers/gpu/drm/i915/i915_scheduler_types.h b/drivers/gpu/drm/i915/i915_scheduler_types.h
index b0a1b58c7893..24b9ac1c2ce2 100644
--- a/drivers/gpu/drm/i915/i915_scheduler_types.h
+++ b/drivers/gpu/drm/i915/i915_scheduler_types.h
@@ -177,13 +177,13 @@ struct i915_sched_engine {
 	 * @kick_backend: kick backend after a request's priority has changed
 	 */
 	void	(*kick_backend)(const struct i915_request *rq,
-				int prio);
+				const struct i915_sched_attr *attr);
 
 	/**
 	 * @bump_inflight_request_prio: update priority of an inflight request
 	 */
 	void	(*bump_inflight_request_prio)(struct i915_request *rq,
-					      int prio);
+					      const struct i915_sched_attr *attr);
 
 	/**
 	 * @retire_inflight_request_prio: indicate request is retired to
-- 
2.30.2