Commit 1774baa6 authored by Roy Sun's avatar Roy Sun Committed by Christian König
Browse files

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: default avatarDavid M Nieto <david.nieto@amd.com>
Signed-off-by: default avatarRoy Sun <Roy.Sun@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210426062701.39732-1-Roy.Sun@amd.com
parent 8f8bb68e

drivers/gpu/drm/scheduler/sched_main.c

+8 −1
Original line number Diff line number Diff line
@@ -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 */