diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-02-07 14:02:27 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:21:02 -0500 |
| commit | 1b4670f6983156526c286723465fdf805070b45d (patch) | |
| tree | 341b5ea077e7945a9ec2e5406a3dab1aba01c135 /drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | |
| parent | 065e4bdfa1f3ab2884c110394d8b7e7ebe3b988c (diff) | |
| download | linux-1b4670f6983156526c286723465fdf805070b45d.tar.bz2 | |
drm/amdkfd: Introduce XGMI SDMA queue type
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>
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 | 10 |
1 files changed, 8 insertions, 2 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 f18d9cdf9aac..e652e25ede75 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -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; |