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path: root/drivers/gpu/drm/amd/amdkfd
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c4
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c18
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index d83de985e88c..8577a563600f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -215,8 +215,8 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
BUG_ON(!mm || !mqd || !q);
m = get_sdma_mqd(mqd);
- m->sdma_rlc_rb_cntl = ffs(q->queue_size / sizeof(unsigned int)) <<
- SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
+ m->sdma_rlc_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
+ << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
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) &&