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>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 5129dc139219511a3a60e301385640a3e84fedf6..2bec902fc93906c7bbbe562e4d906048f0efa336 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -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;