The patch solves the UVD issue.

By the way, I had to change one of the "->"'s to a "." to compile:

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c: In function 
‘amdgpu_job_free_resources’:

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c:159:61: error: invalid type argument of 
‘->’ (have ‘struct dma_fence’)

  159 |         if (job->base.s_fence && job->base.s_fence->finished->ops)

      |                                                             ^~

Thanks,

Thong Thai

On 2023-01-12 09:05, Alex Deucher wrote:
On Thu, Jan 12, 2023 at 8:48 AM Christian König
<ckoenig.leichtzumer...@gmail.com>  wrote:
It can be that neither fence were initialized when we run out of UVD
streams for example.

Signed-off-by: Christian König<christian.koe...@amd.com>
Bug:https://gitlab.freedesktop.org/drm/amd/-/issues/2324

Reviewed-by: Alex Deucher<alexander.deuc...@amd.com>


---
  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 10 ++++++++--
  1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 9e549923622b..28929c6219a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -161,8 +161,14 @@ void amdgpu_job_free_resources(struct amdgpu_job *job)
         struct dma_fence *f;
         unsigned i;

-       /* use sched fence if available */
-       f = job->base.s_fence ? &job->base.s_fence->finished :  &job->hw_fence;
+       /* Check if any fences where initialized */
+       if (job->base.s_fence && job->base.s_fence->finished->ops)
+               f = &job->base.s_fence->finished;
+       else if (job->hw_fence.ops)
+               f = &job->hw_fence;
+       else
+               f = NULL;
+
         for (i = 0; i < job->num_ibs; ++i)
                 amdgpu_ib_free(ring->adev, &job->ibs[i], f);
  }
--
2.25.1

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