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drm/scheduler: don't update last scheduled fence in TDR

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The current sequence in scheduler thread is:
1. update last sched fence
2. job begin (adding to mirror list)
3. job finish (remove from mirror list)
4. back to 1

Since we update last sched prior to joining mirror list, the jobs
in mirror list already pass the last sched fence. TDR just run
the jobs in mirror list, so we should not update the last sched
fences in TDR.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pixel Ding 2018-04-24 22:52:45 -04:00 committed by Alex Deucher
parent eda8377d16
commit 5dd3f9efd4
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/scheduler/gpu_scheduler.c
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@ -575,9 +575,6 @@ void drm_sched_job_recovery(struct drm_gpu_scheduler *sched)
fence = sched->ops->run_job(s_job);
atomic_inc(&sched->hw_rq_count);
dma_fence_put(s_job->entity->last_scheduled);
s_job->entity->last_scheduled = dma_fence_get(&s_fence->finished);
if (fence) {
s_fence->parent = dma_fence_get(fence);
r = dma_fence_add_callback(fence, &s_fence->cb,