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drm/amd: abstract kernel rq and normal rq to priority of run queue

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Allows us to set priorities in the scheduler.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
This commit is contained in:
Chunming Zhou
2015-11-05 15:23:09 +08:00
committed by Alex Deucher
parent ccba7691a5
commit d033a6de80
5 changed files with 23 additions and 15 deletions
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14
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
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@@ -348,14 +348,17 @@ static struct amd_sched_entity *
amd_sched_select_entity(struct amd_gpu_scheduler *sched)
{
struct amd_sched_entity *entity;
int i;
if (!amd_sched_ready(sched))
return NULL;
/* Kernel run queue has higher priority than normal run queue*/
entity = amd_sched_rq_select_entity(&sched->kernel_rq);
if (entity == NULL)
entity = amd_sched_rq_select_entity(&sched->sched_rq);
for (i = 0; i < AMD_SCHED_MAX_PRIORITY; i++) {
entity = amd_sched_rq_select_entity(&sched->sched_rq[i]);
if (entity)
break;
}
return entity;
}
@@ -477,12 +480,13 @@ int amd_sched_init(struct amd_gpu_scheduler *sched,
struct amd_sched_backend_ops *ops,
unsigned hw_submission, long timeout, const char *name)
{
int i;
sched->ops = ops;
sched->hw_submission_limit = hw_submission;
sched->name = name;
sched->timeout = timeout;
amd_sched_rq_init(&sched->sched_rq);
amd_sched_rq_init(&sched->kernel_rq);
for (i = 0; i < AMD_SCHED_MAX_PRIORITY; i++)
amd_sched_rq_init(&sched->sched_rq[i]);
init_waitqueue_head(&sched->wake_up_worker);
init_waitqueue_head(&sched->job_scheduled);