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| author |   Roy Sun <Roy.Sun@amd.com> | 2021-04-26 14:27:00 +0800 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2021-05-05 09:26:36 +0200 |
| commit | 1774baa64f9395fa884ea9ed494bcb043f3b83f5 (patch) | |
| tree | d22692fb9a2844bca7a7ce157281660bc0c46755 /drivers/gpu/drm/scheduler/sched_main.c | |
| parent | MAINTAINERS: Fix TTM tree (diff) | |
| download | linux-dev-1774baa64f9395fa884ea9ed494bcb043f3b83f5.tar.xz linux-dev-1774baa64f9395fa884ea9ed494bcb043f3b83f5.zip | |
drm/scheduler: Change scheduled fence track v2
Update the timestamp of scheduled fence on HW
completion of the previous fences
This allow more accurate tracking of the fence
execution in HW
v2 (chk): drop the flag check and improve the comment
Signed-off-by: David M Nieto <david.nieto@amd.com>
Signed-off-by: Roy Sun <Roy.Sun@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210426062701.39732-1-Roy.Sun@amd.com
Diffstat (limited to 'drivers/gpu/drm/scheduler/sched_main.c')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_main.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 92d8de24d0a1..f4f474944169 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -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); + /* make the scheduled timestamp more accurate */ + next = list_first_entry_or_null(&sched->pending_list, + typeof(*next), list); + if (next) + next->s_fence->scheduled.timestamp = + job->s_fence->finished.timestamp; + } else { job = NULL; /* queue timeout for next job */ |