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drm/scheduler: Change scheduled fence track v2

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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
This commit is contained in:
Roy Sun 2021-04-26 14:27:00 +08:00 committed by Christian König
parent 8f8bb68ebd
commit 1774baa64f
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/scheduler/sched_main.c
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@ -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 */