diff options
author | Max Krummenacher <max.krummenacher@toradex.com> | 2018-03-13 11:32:58 +0100 |
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committer | Max Krummenacher <max.krummenacher@toradex.com> | 2018-03-13 11:32:58 +0100 |
commit | 6fb9f3c8a4992f67dcb3ce413df2e22e96b2d400 (patch) | |
tree | 6e3071b2f179a62b027669ac2a238383293bf941 /drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | |
parent | a126a5e5dc2fcc5cb36af14c89b440cc8e3bab30 (diff) | |
parent | 8b5ab55d254f36e89b1b53aeac7223d2d102483e (diff) |
Merge tag 'v4.4.121' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b2.97-20180331
This is the 4.4.121 stable release
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 18 |
1 files changed, 18 insertions, 0 deletions
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 7b69070f7ecc..aa41b840048f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -205,6 +205,24 @@ int pqm_create_queue(struct process_queue_manager *pqm, switch (type) { case KFD_QUEUE_TYPE_SDMA: + if (dev->dqm->queue_count >= + CIK_SDMA_QUEUES_PER_ENGINE * CIK_SDMA_ENGINE_NUM) { + pr_err("Over-subscription is not allowed for SDMA.\n"); + retval = -EPERM; + goto err_create_queue; + } + + retval = create_cp_queue(pqm, dev, &q, properties, f, *qid); + if (retval != 0) + goto err_create_queue; + pqn->q = q; + pqn->kq = NULL; + retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, + &q->properties.vmid); + pr_debug("DQM returned %d for create_queue\n", retval); + print_queue(q); + break; + case KFD_QUEUE_TYPE_COMPUTE: /* check if there is over subscription */ if ((sched_policy == KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) && |