[CI 2/2] drm/i915/gt: Tidy up checking active timelines during retirement

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Use the status of the timeline request list as we retire it to determine
if the timeline is still active.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Andi Shyti <andi.shyti@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_gt_requests.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
index b4f04614230e..0506f2aeb4e3 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -14,13 +14,15 @@
 #include "intel_gt_requests.h"
 #include "intel_timeline.h"
 
-static void retire_requests(struct intel_timeline *tl)
+static bool retire_requests(struct intel_timeline *tl)
 {
 	struct i915_request *rq, *rn;
 
 	list_for_each_entry_safe(rq, rn, &tl->requests, link)
 		if (!i915_request_retire(rq))
-			break;
+			return false;
+
+	return true;
 }
 
 static bool flush_submission(struct intel_gt *gt)
@@ -29,9 +31,13 @@ static bool flush_submission(struct intel_gt *gt)
 	enum intel_engine_id id;
 	bool active = false;
 
+	if (!intel_gt_pm_is_awake(gt))
+		return false;
+
 	for_each_engine(engine, gt, id) {
 		active |= intel_engine_flush_submission(engine);
 		active |= flush_work(&engine->retire_work);
+		active |= flush_work(&engine->wakeref.work);
 	}
 
 	return active;
@@ -145,16 +151,15 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout)
 			}
 		}
 
-		retire_requests(tl);
+		active_count += !retire_requests(tl);
 
+		flush_submission(gt);
 		spin_lock(&timelines->lock);
 
 		/* Resume iteration after dropping lock */
 		list_safe_reset_next(tl, tn, link);
 		if (atomic_dec_and_test(&tl->active_count))
 			list_del(&tl->link);
-		else
-			active_count += i915_active_fence_isset(&tl->last_request);
 
 		mutex_unlock(&tl->mutex);
 
-- 
2.24.1

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