4 files changed, 22 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 412fc2f39fa5..9bf72b24495c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2401,5 +2401,4 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
                        uint64_t addr, struct amdgpu_bo **bo);
 
 #include "amdgpu_object.h"
-
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index eb0f7890401a..23468088a995 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -28,6 +28,12 @@
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 
+static void amdgpu_job_free_handler(struct work_struct *ws)
+{
+        struct amdgpu_job *job = container_of(ws, struct amdgpu_job, base.work_free_job);
+        kfree(job);
+}
+
 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
                      struct amdgpu_job **job)
 {
@@ -45,6 +51,7 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
         (*job)->adev = adev;
         (*job)->ibs = (void *)&(*job)[1];
         (*job)->num_ibs = num_ibs;
+        INIT_WORK(&(*job)->base.work_free_job, amdgpu_job_free_handler);
 
         amdgpu_sync_create(&(*job)->sync);
 
@@ -80,7 +87,9 @@ void amdgpu_job_free(struct amdgpu_job *job)
 
         amdgpu_bo_unref(&job->uf.bo);
         amdgpu_sync_free(&job->sync);
-        kfree(job);
+
+        if (!job->base.use_sched)
+                kfree(job);
 }
 
 int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index b9d5822bece8..8d49ea2e4134 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -319,6 +319,11 @@ static bool amd_sched_entity_in(struct amd_sched_job *sched_job)
         return added;
 }
 
+static void amd_sched_free_job(struct fence *f, struct fence_cb *cb) {
+        struct amd_sched_job *job = container_of(cb, struct amd_sched_job, cb_free_job);
+        schedule_work(&job->work_free_job);
+}
+
 /**
  * Submit a job to the job queue
  *
@@ -330,6 +335,9 @@ void amd_sched_entity_push_job(struct amd_sched_job *sched_job)
 {
         struct amd_sched_entity *entity = sched_job->s_entity;
 
+        sched_job->use_sched = 1;
+        fence_add_callback(&sched_job->s_fence->base,
+                                        &sched_job->cb_free_job, amd_sched_free_job);
         trace_amd_sched_job(sched_job);
         wait_event(entity->sched->job_scheduled,
                    amd_sched_entity_in(sched_job));
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 74bbec837f58..ee1e8127f863 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -37,7 +37,7 @@ extern atomic_t sched_fence_slab_ref;
 
 /**
  * A scheduler entity is a wrapper around a job queue or a group
- * of other entities. Entities take turns emitting jobs from their 
+ * of other entities. Entities take turns emitting jobs from their
  * job queues to corresponding hardware ring based on scheduling
  * policy.
 */
@@ -82,6 +82,9 @@ struct amd_sched_job {
         struct amd_gpu_scheduler        *sched;
         struct amd_sched_entity         *s_entity;
         struct amd_sched_fence          *s_fence;
+        bool    use_sched;      /* true if the job goes to scheduler */
+        struct fence_cb                cb_free_job;
+        struct work_struct             work_free_job;
 };
 
 extern const struct fence_ops amd_sched_fence_ops;