diff options
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 | 18 |
1 files changed, 17 insertions, 1 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 530b82c4e78b..7b69070f7ecc 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -158,6 +158,8 @@ int pqm_create_queue(struct process_queue_manager *pqm, struct queue *q; struct process_queue_node *pqn; struct kernel_queue *kq; + int num_queues = 0; + struct queue *cur; BUG_ON(!pqm || !dev || !properties || !qid); @@ -172,6 +174,20 @@ int pqm_create_queue(struct process_queue_manager *pqm, return -1; } + /* + * for debug process, verify that it is within the static queues limit + * currently limit is set to half of the total avail HQD slots + * If we are just about to create DIQ, the is_debug flag is not set yet + * Hence we also check the type as well + */ + if ((pdd->qpd.is_debug) || + (type == KFD_QUEUE_TYPE_DIQ)) { + list_for_each_entry(cur, &pdd->qpd.queues_list, list) + num_queues++; + if (num_queues >= dev->device_info->max_no_of_hqd/2) + return (-ENOSPC); + } + retval = find_available_queue_slot(pqm, qid); if (retval != 0) return retval; @@ -341,7 +357,7 @@ int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, return 0; } -static __attribute__((unused)) struct kernel_queue *pqm_get_kernel_queue( +struct kernel_queue *pqm_get_kernel_queue( struct process_queue_manager *pqm, unsigned int qid) { |