diff options
Diffstat (limited to 'drivers/gpu/drm/scheduler')
| -rw-r--r-- | drivers/gpu/drm/scheduler/gpu_scheduler_trace.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_entity.c | 12 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h index f8ed093b7356..c75302ca3427 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h +++ b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h @@ -48,7 +48,7 @@ DECLARE_EVENT_CLASS(drm_sched_job, __entry->entity = entity; __entry->id = sched_job->id; __entry->fence = &sched_job->s_fence->finished; - __assign_str(name, sched_job->sched->name); + __assign_str(name); __entry->job_count = spsc_queue_count(&entity->job_queue); __entry->hw_job_count = atomic_read( &sched_job->sched->credit_count); @@ -94,7 +94,7 @@ TRACE_EVENT(drm_sched_job_wait_dep, ), TP_fast_assign( - __assign_str(name, sched_job->sched->name); + __assign_str(name); __entry->id = sched_job->id; __entry->fence = fence; __entry->ctx = fence->context; diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 3c4f5a392b06..58c8161289fe 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -71,13 +71,19 @@ int drm_sched_entity_init(struct drm_sched_entity *entity, entity->guilty = guilty; entity->num_sched_list = num_sched_list; entity->priority = priority; + /* + * It's perfectly valid to initialize an entity without having a valid + * scheduler attached. It's just not valid to use the scheduler before it + * is initialized itself. + */ entity->sched_list = num_sched_list > 1 ? sched_list : NULL; RCU_INIT_POINTER(entity->last_scheduled, NULL); RB_CLEAR_NODE(&entity->rb_tree_node); - if (!sched_list[0]->sched_rq) { - /* Warn drivers not to do this and to fix their DRM - * calling order. + if (num_sched_list && !sched_list[0]->sched_rq) { + /* Since every entry covered by num_sched_list + * should be non-NULL and therefore we warn drivers + * not to do this and to fix their DRM calling order. */ pr_warn("%s: called with uninitialized scheduler\n", __func__); } else if (num_sched_list) { |