[PATCH 03/12] drm/amd: add amd_sched_hw_job_reset

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amd_sched_hw_job_reset will remove callback from hw fence.

Change-Id: I592153debad43cba3468504fe041ca439c0a5ec2
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 14 ++++++++++++++
 drivers/gpu/drm/amd/scheduler/gpu_scheduler.h |  1 +
 2 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 717655d..cf2d64b 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -381,6 +381,20 @@ static void amd_sched_job_timedout(struct work_struct *work)
 	job->sched->ops->timedout_job(job);
 }
 
+void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched)
+{
+	struct amd_sched_job *s_job;
+
+	spin_lock(&sched->job_list_lock);
+	list_for_each_entry_reverse(s_job, &sched->ring_mirror_list, node) {
+		if (fence_remove_callback(s_job->s_fence->parent, &s_job->s_fence->cb)) {
+			fence_put(s_job->s_fence->parent);
+			s_job->s_fence->parent = NULL;
+		}
+	}
+	spin_unlock(&sched->job_list_lock);
+}
+
 /**
  * Submit a job to the job queue
  *
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index b027603..0924773 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -157,4 +157,5 @@ int amd_sched_job_init(struct amd_sched_job *job,
 		       struct amd_gpu_scheduler *sched,
 		       struct amd_sched_entity *entity,
 		       void *owner);
+void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched);
 #endif
-- 
1.9.1



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