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drm/amdgpu: use amd_sched_job in its backend ops 

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou 2015-08-06 15:19:12 +08:00 committed by Alex Deucher
parent 6f0e54a964
commit 953e8fd4e7
3 changed files with 37 additions and 38 deletions
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34
drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
View File

@ -29,10 +29,16 @@
static int amdgpu_sched_prepare_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,
void *job)
struct amd_sched_job *job)
{
int r = 0;
struct amdgpu_cs_parser *sched_job = (struct amdgpu_cs_parser *)job;
struct amdgpu_cs_parser *sched_job;
if (!job || !job->data) {
DRM_ERROR("job is null\n");
return -EINVAL;
}
sched_job = (struct amdgpu_cs_parser *)job->data;
if (sched_job->prepare_job) {
r = sched_job->prepare_job(sched_job);
if (r) {
@ -51,11 +57,11 @@ static struct fence *amdgpu_sched_run_job(struct amd_gpu_scheduler *sched,
struct amdgpu_cs_parser *sched_job;
struct amdgpu_fence *fence;
if (!job || !job->job) {
if (!job || !job->data) {
DRM_ERROR("job is null\n");
return NULL;
}
sched_job = (struct amdgpu_cs_parser *)job->job;
sched_job = (struct amdgpu_cs_parser *)job->data;
mutex_lock(&sched_job->job_lock);
r = amdgpu_ib_schedule(sched_job->adev,
sched_job->num_ibs,
@ -83,22 +89,16 @@ err:
return NULL;
}
static void amdgpu_sched_process_job(struct amd_gpu_scheduler *sched, void *job)
static void amdgpu_sched_process_job(struct amd_gpu_scheduler *sched,
struct amd_sched_job *job)
{
struct amdgpu_cs_parser *sched_job = NULL;
struct amdgpu_fence *fence = NULL;
struct amdgpu_ring *ring = NULL;
struct amdgpu_device *adev = NULL;
struct amdgpu_cs_parser *sched_job;
if (!job)
if (!job || !job->data) {
DRM_ERROR("job is null\n");
return;
sched_job = (struct amdgpu_cs_parser *)job;
fence = sched_job->ibs[sched_job->num_ibs - 1].fence;
if (!fence)
return;
ring = fence->ring;
adev = ring->adev;
}
sched_job = (struct amdgpu_cs_parser *)job->data;
schedule_work(&sched_job->job_work);
}

30
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -291,8 +291,15 @@ int amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
*/
int amd_sched_push_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
void *job)
void *data)
{
struct amd_sched_job *job = kzalloc(sizeof(struct amd_sched_job),
GFP_KERNEL);
if (!job)
return -ENOMEM;
job->sched = sched;
job->s_entity = c_entity;
job->data = data;
while (kfifo_in_spinlocked(&c_entity->job_queue, &job, sizeof(void *),
&c_entity->queue_lock) != sizeof(void *)) {
/**
@ -366,7 +373,7 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
atomic64_dec(&sched->hw_rq_count);
spin_unlock_irqrestore(&sched->queue_lock, flags);
sched->ops->process_job(sched, sched_job->job);
sched->ops->process_job(sched, sched_job);
kfree(sched_job);
wake_up_interruptible(&sched->wait_queue);
}
@ -374,7 +381,7 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
static int amd_sched_main(void *param)
{
int r;
void *job;
struct amd_sched_job *job;
struct sched_param sparam = {.sched_priority = 1};
struct amd_sched_entity *c_entity = NULL;
struct amd_gpu_scheduler *sched = (struct amd_gpu_scheduler *)param;
@ -382,7 +389,6 @@ static int amd_sched_main(void *param)
sched_setscheduler(current, SCHED_FIFO, &sparam);
while (!kthread_should_stop()) {
struct amd_sched_job *sched_job = NULL;
struct fence *fence;
wait_event_interruptible(sched->wait_queue,
@ -394,26 +400,18 @@ static int amd_sched_main(void *param)
r = sched->ops->prepare_job(sched, c_entity, job);
if (!r) {
unsigned long flags;
sched_job = kzalloc(sizeof(struct amd_sched_job),
GFP_KERNEL);
if (!sched_job) {
WARN(true, "No memory to allocate\n");
continue;
}
sched_job->job = job;
sched_job->sched = sched;
spin_lock_irqsave(&sched->queue_lock, flags);
list_add_tail(&sched_job->list, &sched->active_hw_rq);
list_add_tail(&job->list, &sched->active_hw_rq);
atomic64_inc(&sched->hw_rq_count);
spin_unlock_irqrestore(&sched->queue_lock, flags);
}
mutex_lock(&sched->sched_lock);
fence = sched->ops->run_job(sched, c_entity, sched_job);
fence = sched->ops->run_job(sched, c_entity, job);
if (fence) {
r = fence_add_callback(fence, &sched_job->cb,
r = fence_add_callback(fence, &job->cb,
amd_sched_process_job);
if (r == -ENOENT)
amd_sched_process_job(fence, &sched_job->cb);
amd_sched_process_job(fence, &job->cb);
else if (r)
DRM_ERROR("fence add callback failed (%d)\n", r);
fence_put(fence);

11
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -76,7 +76,8 @@ struct amd_sched_job {
struct list_head list;
struct fence_cb cb;
struct amd_gpu_scheduler *sched;
void *job;
struct amd_sched_entity *s_entity;
void *data;
};
/**
@ -86,11 +87,12 @@ struct amd_sched_job {
struct amd_sched_backend_ops {
int (*prepare_job)(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
void *job);
struct amd_sched_job *job);
struct fence *(*run_job)(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
struct amd_sched_job *job);
void (*process_job)(struct amd_gpu_scheduler *sched, void *job);
void (*process_job)(struct amd_gpu_scheduler *sched,
struct amd_sched_job *job);
};
/**
@ -120,12 +122,11 @@ struct amd_gpu_scheduler *amd_sched_create(void *device,
uint32_t granularity,
uint32_t preemption,
uint32_t hw_submission);
int amd_sched_destroy(struct amd_gpu_scheduler *sched);
int amd_sched_push_job(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *c_entity,
void *job);
void *data);
int amd_sched_wait_emit(struct amd_sched_entity *c_entity,
uint64_t seq,