[PATCH 2/2] drm/amdgpu: change ring priority after pushing the job

[Zhou, David(ChunMing)]

Reviewed-by: Chunming Zhou <david1.zhou at amd.com> for series.

-----Original Message-----
From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of Christian K?nig
Sent: Monday, July 16, 2018 9:25 PM
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH 2/2] drm/amdgpu: change ring priority after pushing the job

Pushing a job can change the ring assignment of an entity.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c  | 4 +++-  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 6 ++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 72dc9b36b937..911c4a12a163 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1256,11 +1256,13 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 	job->uf_sequence = seq;
 
 	amdgpu_job_free_resources(job);
-	amdgpu_ring_priority_get(p->ring, job->base.s_priority);
 
 	trace_amdgpu_cs_ioctl(job);
 	drm_sched_entity_push_job(&job->base, entity);
 
+	ring = to_amdgpu_ring(entity->sched);
+	amdgpu_ring_priority_get(ring, job->base.s_priority);
+
 	ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);
 	amdgpu_mn_unlock(p->mn);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 024efb7ea6d6..10c769db5d67 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -121,7 +121,7 @@ void amdgpu_job_free(struct amdgpu_job *job)  int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 		      void *owner, struct dma_fence **f)  {
-	struct amdgpu_ring *ring = to_amdgpu_ring(entity->sched);
+	struct amdgpu_ring *ring;
 	int r;
 
 	if (!f)
@@ -134,9 +134,11 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 	job->owner = owner;
 	*f = dma_fence_get(&job->base.s_fence->finished);
 	amdgpu_job_free_resources(job);
-	amdgpu_ring_priority_get(ring, job->base.s_priority);
 	drm_sched_entity_push_job(&job->base, entity);
 
+	ring = to_amdgpu_ring(entity->sched);
+	amdgpu_ring_priority_get(ring, job->base.s_priority);
+
 	return 0;
 }
 
--
2.14.1

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