diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-04-10 17:33:05 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-04-10 17:33:05 -0400 |
| commit | ef568db792e66216b48fd1567ff4a9d3bf9af866 (patch) | |
| tree | d760838f9ee71765d151a5e3132cbc9d1c3d1139 /drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | |
| parent | df03ef9342ce09985210679a734f88a269c19ff5 (diff) | |
drm/amdkfd: Implement doorbell allocation for SOC15
Allocate doorbells according to the doorbell routing information on
SOC15 ASICs (Vega10 and later). On older ASICs we continue to use the
queue_id as the doorbell ID to maintain compatibility with the Thunk.
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>
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 | 12 |
1 files changed, 9 insertions, 3 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 7817e327ea6d..3045aebdc3f7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -119,9 +119,6 @@ static int create_cp_queue(struct process_queue_manager *pqm, /* Doorbell initialized in user space*/ q_properties->doorbell_ptr = NULL; - q_properties->doorbell_off = - kfd_queue_id_to_doorbell(dev, pqm->process, qid); - /* let DQM handle it*/ q_properties->vmid = 0; q_properties->queue_id = qid; @@ -248,6 +245,15 @@ int pqm_create_queue(struct process_queue_manager *pqm, goto err_create_queue; } + if (q) + /* Return the doorbell offset within the doorbell page + * to the caller so it can be passed up to user mode + * (in bytes). + */ + properties->doorbell_off = + (q->properties.doorbell_off * sizeof(uint32_t)) & + (kfd_doorbell_process_slice(dev) - 1); + pr_debug("PQM After DQM create queue\n"); list_add(&pqn->process_queue_list, &pqm->queues); |