Am 16.04.21 um 07:04 schrieb Roy Sun:
Update the timestamp of scheduled fence on HW
completion of the previous fences
This allow more accurate tracking of the fence
execution in HW
Signed-off-by: David M Nieto <david.nieto@xxxxxxx>
Signed-off-by: Roy Sun <Roy.Sun@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx> for the series.
Nirmoy if you are idle again could you give that a testing round? I
don't expect it to cause trouble, just want to double check that we
haven't forgotten taking a lock or stuff like that.
Thanks,
Christian.
---
drivers/gpu/drm/scheduler/sched_main.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 92d8de24d0a1..4e5d8d4af010 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -515,7 +515,7 @@ void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched)
EXPORT_SYMBOL(drm_sched_resubmit_jobs);
/**
- * drm_sched_resubmit_jobs_ext - helper to relunch certain number of jobs from mirror ring list
+ * drm_sched_resubmit_jobs_ext - helper to relunch certain number of jobs from pending list
*
* @sched: scheduler instance
* @max: job numbers to relaunch
@@ -671,7 +671,7 @@ drm_sched_select_entity(struct drm_gpu_scheduler *sched)
static struct drm_sched_job *
drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
{
- struct drm_sched_job *job;
+ struct drm_sched_job *job, *next;
/*
* Don't destroy jobs while the timeout worker is running OR thread
@@ -690,6 +690,13 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
if (job && dma_fence_is_signaled(&job->s_fence->finished)) {
/* remove job from pending_list */
list_del_init(&job->list);
+ /* account for the next fence in the queue */
+ next = list_first_entry_or_null(&sched->pending_list,
+ struct drm_sched_job, list);
+ if (next) {
+ next->s_fence->scheduled.timestamp =
+ job->s_fence->finished.timestamp;
+ }
} else {
job = NULL;
/* queue timeout for next job */
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