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drm/amdkfd: Introduce XGMI SDMA queue type

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Existing QUEUE_TYPE_SDMA means PCIe optimized SDMA queues.
Introduce a new QUEUE_TYPE_SDMA_XGMI, which is optimized
for non-PCIe transfer such as XGMI.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng
2019-02-07 14:02:27 -06:00
committed by Alex Deucher
parent 065e4bdfa1
commit 1b4670f698
10 changed files with 132 additions and 39 deletions
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10
drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
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@@ -186,8 +186,13 @@ int pqm_create_queue(struct process_queue_manager *pqm,
switch (type) {
case KFD_QUEUE_TYPE_SDMA:
if (dev->dqm->queue_count >= get_num_sdma_queues(dev->dqm)) {
pr_err("Over-subscription is not allowed for SDMA.\n");
case KFD_QUEUE_TYPE_SDMA_XGMI:
if ((type == KFD_QUEUE_TYPE_SDMA && dev->dqm->sdma_queue_count
>= get_num_sdma_queues(dev->dqm)) ||
(type == KFD_QUEUE_TYPE_SDMA_XGMI &&
dev->dqm->xgmi_sdma_queue_count
>= get_num_xgmi_sdma_queues(dev->dqm))) {
pr_debug("Over-subscription is not allowed for SDMA.\n");
retval = -EPERM;
goto err_create_queue;
}
@@ -446,6 +451,7 @@ int pqm_debugfs_mqds(struct seq_file *m, void *data)
q = pqn->q;
switch (q->properties.type) {
case KFD_QUEUE_TYPE_SDMA:
case KFD_QUEUE_TYPE_SDMA_XGMI:
seq_printf(m, " SDMA queue on device %x\n",
q->device->id);
mqd_type = KFD_MQD_TYPE_SDMA;