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 | 14 +++++++++-----
1 file changed, 9 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..9e75fa1b6bc1 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -14,13 +14,16 @@
#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;
+
+ /* And check nothing new was submitted */
+ return !i915_active_fence_isset(&tl->last_request);
}
static bool flush_submission(struct intel_gt *gt)
@@ -29,6 +32,9 @@ 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);
@@ -145,7 +151,7 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout)
}
}
- retire_requests(tl);
+ active_count += !retire_requests(tl);
spin_lock(&timelines->lock);
@@ -153,8 +159,6 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout)
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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