[PATCH 1/5] drm/amdgpu:cleanup job reset routine

[Monk Liu]

merge the setting guilty on context into this function
to avoid implement extra routine.

Change-Id: I7a0063464fdc85d5ac9080046380e745565ff540
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |  4 ++--
 drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 13 ++++++++++++-
 drivers/gpu/drm/amd/scheduler/gpu_scheduler.h |  2 +-
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index dae1e5b..a07544d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2868,7 +2868,7 @@ int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job)
 			amd_sched_job_kickout(&job->base);
 
 		/* only do job_reset on the hang ring if @job not NULL */
-		amd_sched_hw_job_reset(&ring->sched);
+		amd_sched_hw_job_reset(&ring->sched, NULL);
 
 		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
 		amdgpu_fence_driver_force_completion(ring);
@@ -2989,7 +2989,7 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 		if (!ring || !ring->sched.thread)
 			continue;
 		kthread_park(ring->sched.thread);
-		amd_sched_hw_job_reset(&ring->sched);
+		amd_sched_hw_job_reset(&ring->sched, NULL);
 		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
 		amdgpu_fence_driver_force_completion(ring);
 	}
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index e4d3b4e..322b6c1 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -442,7 +442,14 @@ 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)
+static void amd_sched_set_guilty(struct amd_sched_job *s_job)
+{
+	if (atomic_inc_return(&s_job->karma) > s_job->sched->hang_limit)
+		if (s_job->s_entity->guilty)
+			atomic_set(s_job->s_entity->guilty, 1);
+}
+
+void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched, struct amd_sched_job *bad)
 {
 	struct amd_sched_job *s_job;
 
@@ -455,6 +462,10 @@ void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched)
 			s_job->s_fence->parent = NULL;
 			atomic_dec(&sched->hw_rq_count);
 		}
+
+		if (bad && bad == s_job) {
+			amd_sched_set_guilty(s_job);
+		}
 	}
 	spin_unlock(&sched->job_list_lock);
 }
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 52c8e54..d26e778 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -170,7 +170,7 @@ 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);
+void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched, struct amd_sched_job *job);
 void amd_sched_job_recovery(struct amd_gpu_scheduler *sched);
 bool amd_sched_dependency_optimized(struct dma_fence* fence,
 				    struct amd_sched_entity *entity);
-- 
2.7.4