drm/i915/pmu: Add a name to the execlists stats

In preparation for GuC pmu stats, add a name to the execlists stats
structure so that it can be differentiated from the GuC stats.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211027004821.66097-1-umesh.nerlige.ramappa@intel.com

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index ff6753ccb129..2de396e34d83 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -363,7 +363,7 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id,
 		DRIVER_CAPS(i915)->has_logical_contexts = true;
 
 	ewma__engine_latency_init(&engine->latency);
-	seqcount_init(&engine->stats.lock);
+	seqcount_init(&engine->stats.execlists.lock);
 
 	ATOMIC_INIT_NOTIFIER_HEAD(&engine->context_status_notifier);
 
@@ -1918,15 +1918,16 @@ void intel_engine_dump(struct intel_engine_cs *engine,
 static ktime_t __intel_engine_get_busy_time(struct intel_engine_cs *engine,
 					    ktime_t *now)
 {
-	ktime_t total = engine->stats.total;
+	struct intel_engine_execlists_stats *stats = &engine->stats.execlists;
+	ktime_t total = stats->total;
 
 	/*
 	 * If the engine is executing something at the moment
 	 * add it to the total.
 	 */
 	*now = ktime_get();
-	if (READ_ONCE(engine->stats.active))
-		total = ktime_add(total, ktime_sub(*now, engine->stats.start));
+	if (READ_ONCE(stats->active))
+		total = ktime_add(total, ktime_sub(*now, stats->start));
 
 	return total;
 }
@@ -1940,13 +1941,14 @@ static ktime_t __intel_engine_get_busy_time(struct intel_engine_cs *engine,
  */
 ktime_t intel_engine_get_busy_time(struct intel_engine_cs *engine, ktime_t *now)
 {
+	struct intel_engine_execlists_stats *stats = &engine->stats.execlists;
 	unsigned int seq;
 	ktime_t total;
 
 	do {
-		seq = read_seqcount_begin(&engine->stats.lock);
+		seq = read_seqcount_begin(&stats->lock);
 		total = __intel_engine_get_busy_time(engine, now);
-	} while (read_seqcount_retry(&engine->stats.lock, seq));
+	} while (read_seqcount_retry(&stats->lock, seq));
 
 	return total;
 }