On Thu, Jan 12, 2023 at 8:48 AM Christian König <ckoenig.leichtzumerken@xxxxxxxxx> wrote: > > It can be that neither fence were initialized when we run out of UVD > streams for example. > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2324 Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > 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 >