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drm/scheduler: add a list of run queues to the entity

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These are the potential run queues on which the jobs from this
entity can be scheduled. We will use this to do load balancing.

Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nayan Deshmukh
2018-08-01 13:49:59 +05:30
committed by Alex Deucher
parent c36628d898
commit ac0a6cf1c6
2 changed files with 14 additions and 1 deletions
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8
drivers/gpu/drm/scheduler/gpu_scheduler.c
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@@ -179,6 +179,8 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
unsigned int num_rq_list,
atomic_t *guilty)
{
int i;
if (!(entity && rq_list && num_rq_list > 0 && rq_list[0]))
return -EINVAL;
@@ -186,6 +188,11 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
INIT_LIST_HEAD(&entity->list);
entity->rq = rq_list[0];
entity->guilty = guilty;
entity->num_rq_list = num_rq_list;
entity->rq_list = kcalloc(num_rq_list, sizeof(struct drm_sched_rq *),
GFP_KERNEL);
for (i = 0; i < num_rq_list; ++i)
entity->rq_list[i] = rq_list[i];
entity->last_scheduled = NULL;
spin_lock_init(&entity->rq_lock);
@@ -348,6 +355,7 @@ void drm_sched_entity_fini(struct drm_sched_entity *entity)
dma_fence_put(entity->last_scheduled);
entity->last_scheduled = NULL;
kfree(entity->rq_list);
}
EXPORT_SYMBOL(drm_sched_entity_fini);