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alistair23-linux
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drm/amdkfd: Register/Deregister process on qpd resolution 

Process registration needs to happen on each device. So use per-device
queue lists to determine when to register/deregister the process.

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
hifive-unleashed-5.1
Ben Goz 2017-11-01 19:21:30 -04:00 committed by Oded Gabbay
parent 062c5672d5
commit 5a29ad6b9e
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
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@ -177,7 +177,8 @@ int pqm_create_queue(struct process_queue_manager *pqm,
if (retval != 0)
return retval;
if (list_empty(&pqm->queues)) {
if (list_empty(&pdd->qpd.queues_list) &&
list_empty(&pdd->qpd.priv_queue_list)) {
pdd->qpd.pqm = pqm;
dev->dqm->ops.register_process(dev->dqm, &pdd->qpd);
}
@ -248,7 +249,8 @@ err_create_queue:
err_allocate_pqn:
/* check if queues list is empty unregister process from device */
clear_bit(*qid, pqm->queue_slot_bitmap);
if (list_empty(&pqm->queues))
if (list_empty(&pdd->qpd.queues_list) &&
list_empty(&pdd->qpd.priv_queue_list))
dev->dqm->ops.unregister_process(dev->dqm, &pdd->qpd);
return retval;
}
@ -302,7 +304,8 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid)
kfree(pqn);
clear_bit(qid, pqm->queue_slot_bitmap);
if (list_empty(&pqm->queues))
if (list_empty(&pdd->qpd.queues_list) &&
list_empty(&pdd->qpd.priv_queue_list))
dqm->ops.unregister_process(dqm, &pdd->qpd);
return retval;