diff options
| author | Christian König <christian.koenig@amd.com> | 2018-10-08 13:30:12 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-12 12:52:32 -0500 |
| commit | 0efd2d2f68cd5dbddf4ecd974c33133257d16a8e (patch) | |
| tree | c62d03c24fb81048755ca69a92ba4f0d912dfa81 /drivers | |
| parent | b981c86f03068ca63391bb54ac4686e7ac419fa3 (diff) | |
drm/sched: fix timeout handling v2
We need to make sure that we don't race between job completion and
timeout.
v2: put revert label after calling the handling manually
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_main.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index bd7d11c47202..44fe587aaef9 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -249,13 +249,41 @@ static void drm_sched_job_timedout(struct work_struct *work) { struct drm_gpu_scheduler *sched; struct drm_sched_job *job; + int r; sched = container_of(work, struct drm_gpu_scheduler, work_tdr.work); + + spin_lock(&sched->job_list_lock); + list_for_each_entry_reverse(job, &sched->ring_mirror_list, node) { + struct drm_sched_fence *fence = job->s_fence; + + if (!dma_fence_remove_callback(fence->parent, &fence->cb)) + goto already_signaled; + } + job = list_first_entry_or_null(&sched->ring_mirror_list, struct drm_sched_job, node); + spin_unlock(&sched->job_list_lock); if (job) - job->sched->ops->timedout_job(job); + sched->ops->timedout_job(job); + + spin_lock(&sched->job_list_lock); + list_for_each_entry(job, &sched->ring_mirror_list, node) { + struct drm_sched_fence *fence = job->s_fence; + + if (!fence->parent || !list_empty(&fence->cb.node)) + continue; + + r = dma_fence_add_callback(fence->parent, &fence->cb, + drm_sched_process_job); + if (r) + drm_sched_process_job(fence->parent, &fence->cb); + +already_signaled: + ; + } + spin_unlock(&sched->job_list_lock); } /** |