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drm/amd/sched: add a unique job id to amd_sched_job 

A unique id is useful for debugging and tracing. Intended to replace
pointers in ftrace output.

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andres Rodriguez 2017-03-09 21:25:50 -05:00 committed by Alex Deucher
parent 8fb6e528c3
commit 93f8b36738
2 changed files with 4 additions and 0 deletions
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2
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -460,6 +460,7 @@ int amd_sched_job_init(struct amd_sched_job *job,
job->sched = sched;
job->s_entity = entity;
job->s_fence = amd_sched_fence_create(entity, owner);
job->id = atomic64_inc_return(&sched->job_id_count);
if (!job->s_fence)
return -ENOMEM;
@ -617,6 +618,7 @@ int amd_sched_init(struct amd_gpu_scheduler *sched,
INIT_LIST_HEAD(&sched->ring_mirror_list);
spin_lock_init(&sched->job_list_lock);
atomic_set(&sched->hw_rq_count, 0);
atomic64_set(&sched->job_id_count, 0);
/* Each scheduler will run on a seperate kernel thread */
sched->thread = kthread_run(amd_sched_main, sched, sched->name);

2
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -80,6 +80,7 @@ struct amd_sched_job {
struct work_struct finish_work;
struct list_head node;
struct delayed_work work_tdr;
uint64_t id;
};
extern const struct dma_fence_ops amd_sched_fence_ops_scheduled;
@ -124,6 +125,7 @@ struct amd_gpu_scheduler {
wait_queue_head_t wake_up_worker;
wait_queue_head_t job_scheduled;
atomic_t hw_rq_count;
atomic64_t job_id_count;
struct task_struct *thread;
struct list_head ring_mirror_list;
spinlock_t job_list_lock;