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drm/amdgpu: put job to list before done 

the mirror_list will be used for later time out detect
feature.  This is needed to properly detect a GPU
timeout with the scheduler.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2016-03-04 14:33:44 +08:00 committed by Alex Deucher
parent e472d2588e
commit 4835096b07
3 changed files with 27 additions and 0 deletions
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12
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -349,12 +349,15 @@ int amd_sched_job_init(struct amd_sched_job *job,
struct amd_sched_entity *entity,
void *owner, struct fence **fence)
{
INIT_LIST_HEAD(&job->node);
job->sched = sched;
job->s_entity = entity;
job->s_fence = amd_sched_fence_create(entity, owner);
if (!job->s_fence)
return -ENOMEM;
job->s_fence->s_job = job;
if (fence)
*fence = &job->s_fence->base;
return 0;
@ -408,6 +411,12 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
unsigned long flags;
atomic_dec(&sched->hw_rq_count);
/* remove job from ring_mirror_list */
spin_lock_irqsave(&sched->job_list_lock, flags);
list_del_init(&s_fence->s_job->node);
spin_unlock_irqrestore(&sched->job_list_lock, flags);
amd_sched_fence_signal(s_fence);
if (sched->timeout != MAX_SCHEDULE_TIMEOUT) {
cancel_delayed_work(&s_fence->dwork);
@ -480,6 +489,7 @@ static int amd_sched_main(void *param)
}
atomic_inc(&sched->hw_rq_count);
amd_sched_job_pre_schedule(sched, sched_job);
fence = sched->ops->run_job(sched_job);
amd_sched_fence_scheduled(s_fence);
if (fence) {
@ -527,6 +537,8 @@ int amd_sched_init(struct amd_gpu_scheduler *sched,
init_waitqueue_head(&sched->wake_up_worker);
init_waitqueue_head(&sched->job_scheduled);
INIT_LIST_HEAD(&sched->ring_mirror_list);
spin_lock_init(&sched->job_list_lock);
atomic_set(&sched->hw_rq_count, 0);
if (atomic_inc_return(&sched_fence_slab_ref) == 1) {
sched_fence_slab = kmem_cache_create(

6
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -76,6 +76,7 @@ struct amd_sched_fence {
void *owner;
struct delayed_work dwork;
struct list_head list;
struct amd_sched_job *s_job;
};
struct amd_sched_job {
@ -85,6 +86,7 @@ struct amd_sched_job {
bool use_sched; /* true if the job goes to scheduler */
struct fence_cb cb_free_job;
struct work_struct work_free_job;
struct list_head node;
};
extern const struct fence_ops amd_sched_fence_ops;
@ -128,6 +130,8 @@ struct amd_gpu_scheduler {
struct list_head fence_list;
spinlock_t fence_list_lock;
struct task_struct *thread;
struct list_head ring_mirror_list;
spinlock_t job_list_lock;
};
int amd_sched_init(struct amd_gpu_scheduler *sched,
@ -151,4 +155,6 @@ int amd_sched_job_init(struct amd_sched_job *job,
struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,
void *owner, struct fence **fence);
void amd_sched_job_pre_schedule(struct amd_gpu_scheduler *sched ,
struct amd_sched_job *s_job);
#endif

9
drivers/gpu/drm/amd/scheduler/sched_fence.c
View File

@ -57,6 +57,15 @@ void amd_sched_fence_signal(struct amd_sched_fence *fence)
FENCE_TRACE(&fence->base, "was already signaled\n");
}
void amd_sched_job_pre_schedule(struct amd_gpu_scheduler *sched ,
struct amd_sched_job *s_job)
{
unsigned long flags;
spin_lock_irqsave(&sched->job_list_lock, flags);
list_add_tail(&s_job->node, &sched->ring_mirror_list);
spin_unlock_irqrestore(&sched->job_list_lock, flags);
}
void amd_sched_fence_scheduled(struct amd_sched_fence *s_fence)
{
struct fence_cb *cur, *tmp;