This is prepare work to fix a circular lock dependency. No logic change Change-Id: I4e0ee918260e7780de972dd71f4ce787b4f6dde9 Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx> --- .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 171 +++++++-------------- 1 file changed, 57 insertions(+), 114 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index dc1a70b..dc34e0e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -42,10 +42,6 @@ static int set_pasid_vmid_mapping(struct device_queue_manager *dqm, unsigned int pasid, unsigned int vmid); -static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, - struct queue *q, - struct qcm_process_device *qpd); - static int execute_queues_cpsch(struct device_queue_manager *dqm, enum kfd_unmap_queues_filter filter, uint32_t filter_param); @@ -55,13 +51,14 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, static int map_queues_cpsch(struct device_queue_manager *dqm); -static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, - struct queue *q, - struct qcm_process_device *qpd); - static void deallocate_sdma_queue(struct device_queue_manager *dqm, struct queue *q); +static inline void deallocate_hqd(struct device_queue_manager *dqm, + struct queue *q); +static int allocate_hqd(struct device_queue_manager *dqm, struct queue *q); +static int allocate_sdma_queue(struct device_queue_manager *dqm, + struct queue *q); static void kfd_process_hw_exception(struct work_struct *work); static inline @@ -223,6 +220,9 @@ static int allocate_vmid(struct device_queue_manager *dqm, /* invalidate the VM context after pasid and vmid mapping is set up */ kfd_flush_tlb(qpd_to_pdd(qpd)); + dqm->dev->kfd2kgd->set_scratch_backing_va( + dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid); + return 0; } @@ -269,6 +269,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, struct queue *q, struct qcm_process_device *qpd) { + struct mqd_manager *mqd_mgr; int retval; print_queue(q); @@ -300,18 +301,41 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, q->properties.tba_addr = qpd->tba_addr; q->properties.tma_addr = qpd->tma_addr; - if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) - retval = create_compute_queue_nocpsch(dqm, q, qpd); - else if (q->properties.type == KFD_QUEUE_TYPE_SDMA || - q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) - retval = create_sdma_queue_nocpsch(dqm, q, qpd); - else - retval = -EINVAL; + mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type( + q->properties.type)]; + if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) { + retval = allocate_hqd(dqm, q); + if (retval) + goto deallocate_vmid; + pr_debug("Loading mqd to hqd on pipe %d, queue %d\n", + q->pipe, q->queue); + } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA || + q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) { + retval = allocate_sdma_queue(dqm, q); + if (retval) + goto deallocate_vmid; + dqm->asic_ops.init_sdma_vm(dqm, q, qpd); + } - if (retval) { - if (list_empty(&qpd->queues_list)) - deallocate_vmid(dqm, qpd, q); - goto out_unlock; + retval = allocate_doorbell(qpd, q); + if (retval) + goto out_deallocate_hqd; + + retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj, + &q->gart_mqd_addr, &q->properties); + if (retval) + goto out_deallocate_doorbell; + + if (q->properties.is_active) { + + if (WARN(q->process->mm != current->mm, + "should only run in user thread")) + retval = -EFAULT; + else + retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, q->pipe, + q->queue, &q->properties, current->mm); + if (retval) + goto out_uninit_mqd; } list_add(&q->list, &qpd->queues_list); @@ -331,7 +355,21 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, dqm->total_queue_count++; pr_debug("Total of %d queues are accountable so far\n", dqm->total_queue_count); + goto out_unlock; +out_uninit_mqd: + mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj); +out_deallocate_doorbell: + deallocate_doorbell(qpd, q); +out_deallocate_hqd: + if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) + deallocate_hqd(dqm, q); + else if (q->properties.type == KFD_QUEUE_TYPE_SDMA || + q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) + deallocate_sdma_queue(dqm, q); +deallocate_vmid: + if (list_empty(&qpd->queues_list)) + deallocate_vmid(dqm, qpd, q); out_unlock: dqm_unlock(dqm); return retval; @@ -377,58 +415,6 @@ static inline void deallocate_hqd(struct device_queue_manager *dqm, dqm->allocated_queues[q->pipe] |= (1 << q->queue); } -static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, - struct queue *q, - struct qcm_process_device *qpd) -{ - struct mqd_manager *mqd_mgr; - int retval; - - mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_COMPUTE]; - - retval = allocate_hqd(dqm, q); - if (retval) - return retval; - - retval = allocate_doorbell(qpd, q); - if (retval) - goto out_deallocate_hqd; - - retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties); - if (retval) - goto out_deallocate_doorbell; - - pr_debug("Loading mqd to hqd on pipe %d, queue %d\n", - q->pipe, q->queue); - - dqm->dev->kfd2kgd->set_scratch_backing_va( - dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid); - - if (!q->properties.is_active) - return 0; - - if (WARN(q->process->mm != current->mm, - "should only run in user thread")) - retval = -EFAULT; - else - retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, q->pipe, q->queue, - &q->properties, current->mm); - if (retval) - goto out_uninit_mqd; - - return 0; - -out_uninit_mqd: - mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj); -out_deallocate_doorbell: - deallocate_doorbell(qpd, q); -out_deallocate_hqd: - deallocate_hqd(dqm, q); - - return retval; -} - /* Access to DQM has to be locked before calling destroy_queue_nocpsch_locked * to avoid asynchronized access */ @@ -967,49 +953,6 @@ static void deallocate_sdma_queue(struct device_queue_manager *dqm, } } -static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, - struct queue *q, - struct qcm_process_device *qpd) -{ - struct mqd_manager *mqd_mgr; - int retval; - - mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_SDMA]; - - retval = allocate_sdma_queue(dqm, q); - if (retval) - return retval; - - retval = allocate_doorbell(qpd, q); - if (retval) - goto out_deallocate_sdma_queue; - - dqm->asic_ops.init_sdma_vm(dqm, q, qpd); - retval = mqd_mgr->init_mqd(mqd_mgr, &q->mqd, &q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties); - if (retval) - goto out_deallocate_doorbell; - - if (!q->properties.is_active) - return 0; - - retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, 0, 0, &q->properties, - current->mm); - if (retval) - goto out_uninit_mqd; - - return 0; - -out_uninit_mqd: - mqd_mgr->uninit_mqd(mqd_mgr, q->mqd, q->mqd_mem_obj); -out_deallocate_doorbell: - deallocate_doorbell(qpd, q); -out_deallocate_sdma_queue: - deallocate_sdma_queue(dqm, q); - - return retval; -} - /* * Device Queue Manager implementation for cp scheduler */ -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx