mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 21:25:20 +07:00
drm/amdkfd: Fix SDMA oversubsription handling
SDMA only supports a fixed number of queues. HWS cannot handle oversubscription. Signed-off-by: shaoyun liu <shaoyun.liu@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>
This commit is contained in:
parent
d12fb13f23
commit
8c946b8988
@ -191,6 +191,24 @@ 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) &&
|
||||
|
Loading…
Reference in New Issue
Block a user