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drm/sched: Keep s_fence->parent pointer

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For later driver's reference to see if the fence is signaled.

v2: Move parent fence put to resubmit jobs.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1555599624-12285-4-git-send-email-andrey.grodzovsky@amd.com
This commit is contained in:
Andrey Grodzovsky 2019-04-18 11:00:22 -04:00 committed by Alex Deucher
parent 5918045c4e
commit 290764af7e
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/scheduler/sched_main.c
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@ -375,8 +375,6 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad)
if (s_job->s_fence->parent &&
dma_fence_remove_callback(s_job->s_fence->parent,
&s_job->cb)) {
dma_fence_put(s_job->s_fence->parent);
s_job->s_fence->parent = NULL;
atomic_dec(&sched->hw_rq_count);
} else {
/*
@ -403,6 +401,14 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad)
sched->ops->free_job(s_job);
}
}
/*
* Stop pending timer in flight as we rearm it in drm_sched_start. This
* avoids the pending timeout work in progress to fire right away after
* this TDR finished and before the newly restarted jobs had a
* chance to complete.
*/
cancel_delayed_work(&sched->work_tdr);
}
EXPORT_SYMBOL(drm_sched_stop);
@ -477,6 +483,7 @@ void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched)
if (found_guilty && s_job->s_fence->scheduled.context == guilty_context)
dma_fence_set_error(&s_fence->finished, -ECANCELED);
dma_fence_put(s_job->s_fence->parent);
s_job->s_fence->parent = sched->ops->run_job(s_job);
}
}