From: Lang Yu <Lang.Yu@xxxxxxx> Prepare for VPE and VCN queue submission test. Signed-off-by: Lang Yu <Lang.Yu@xxxxxxx> Reviewed-by: Leo Liu <leo.liu@xxxxxxx> Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c | 406 ++++++++++++++++++- 1 file changed, 405 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c index 29457c503c85..ced963aaf7cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c @@ -28,6 +28,408 @@ #include "amdgpu_umsch_mm.h" #include "umsch_mm_v4_0.h" +struct umsch_mm_test_ctx_data { + uint8_t process_csa[PAGE_SIZE]; + uint8_t vpe_ctx_csa[PAGE_SIZE]; + uint8_t vcn_ctx_csa[PAGE_SIZE]; +}; + +struct umsch_mm_test_mqd_data { + uint8_t vpe_mqd[PAGE_SIZE]; + uint8_t vcn_mqd[PAGE_SIZE]; +}; + +struct umsch_mm_test_ring_data { + uint8_t vpe_ring[PAGE_SIZE]; + uint8_t vpe_ib[PAGE_SIZE]; + uint8_t vcn_ring[PAGE_SIZE]; + uint8_t vcn_ib[PAGE_SIZE]; +}; + +struct umsch_mm_test_queue_info { + uint64_t mqd_addr; + uint64_t csa_addr; + uint32_t doorbell_offset_0; + uint32_t doorbell_offset_1; + enum UMSCH_SWIP_ENGINE_TYPE engine; +}; + +struct umsch_mm_test { + struct amdgpu_bo *ctx_data_obj; + uint64_t ctx_data_gpu_addr; + uint32_t *ctx_data_cpu_addr; + + struct amdgpu_bo *mqd_data_obj; + uint64_t mqd_data_gpu_addr; + uint32_t *mqd_data_cpu_addr; + + struct amdgpu_bo *ring_data_obj; + uint64_t ring_data_gpu_addr; + uint32_t *ring_data_cpu_addr; + + + struct amdgpu_vm *vm; + struct amdgpu_bo_va *bo_va; + uint32_t pasid; + uint32_t vm_cntx_cntl; + uint32_t num_queues; +}; + +static int map_ring_data(struct amdgpu_device *adev, struct amdgpu_vm *vm, + struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va, + uint64_t addr, uint32_t size) +{ + struct ww_acquire_ctx ticket; + struct list_head list; + struct amdgpu_bo_list_entry pd; + struct ttm_validate_buffer csa_tv; + struct amdgpu_sync sync; + int r; + + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&csa_tv.head); + csa_tv.bo = &bo->tbo; + csa_tv.num_shared = 1; + + list_add(&csa_tv.head, &list); + amdgpu_vm_get_pd_bo(vm, &list, &pd); + + amdgpu_sync_create(&sync); + + r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL); + if (r) + return r; + + *bo_va = amdgpu_vm_bo_add(adev, vm, bo); + if (!*bo_va) { + ttm_eu_backoff_reservation(&ticket, &list); + return -ENOMEM; + } + + r = amdgpu_vm_bo_map(adev, *bo_va, addr, 0, size, + AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE | + AMDGPU_PTE_EXECUTABLE); + + if (r) { + amdgpu_vm_bo_del(adev, *bo_va); + ttm_eu_backoff_reservation(&ticket, &list); + return r; + } + + + r = amdgpu_vm_bo_update(adev, *bo_va, false); + if (r) + goto error; + + amdgpu_sync_fence(&sync, (*bo_va)->last_pt_update); + + r = amdgpu_vm_update_pdes(adev, vm, false); + if (r) + goto error; + + amdgpu_sync_fence(&sync, vm->last_update); + + amdgpu_sync_wait(&sync, false); + + ttm_eu_backoff_reservation(&ticket, &list); + amdgpu_sync_free(&sync); + + return 0; +error: + ttm_eu_backoff_reservation(&ticket, &list); + amdgpu_sync_free(&sync); + return r; +} + +static int unmap_ring_data(struct amdgpu_device *adev, struct amdgpu_vm *vm, + struct amdgpu_bo *bo, struct amdgpu_bo_va *bo_va, + uint64_t addr) +{ + struct ww_acquire_ctx ticket; + struct list_head list; + struct amdgpu_bo_list_entry pd; + struct ttm_validate_buffer csa_tv; + int r; + + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&csa_tv.head); + csa_tv.bo = &bo->tbo; + csa_tv.num_shared = 1; + + list_add(&csa_tv.head, &list); + amdgpu_vm_get_pd_bo(vm, &list, &pd); + + r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL); + if (r) + return r; + + r = amdgpu_vm_bo_unmap(adev, bo_va, addr); + if (r) { + ttm_eu_backoff_reservation(&ticket, &list); + return r; + } + + amdgpu_vm_bo_del(adev, bo_va); + + ttm_eu_backoff_reservation(&ticket, &list); + + return 0; +} + +static void setup_vpe_queue(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ +} + +static void setup_vcn_queue(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ +} + +static int add_test_queue(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ + struct umsch_mm_add_queue_input queue_input = {}; + int r; + + queue_input.process_id = test->pasid; + queue_input.page_table_base_addr = amdgpu_gmc_pd_addr(test->vm->root.bo); + + queue_input.process_va_start = 0; + queue_input.process_va_end = (adev->vm_manager.max_pfn - 1) << AMDGPU_GPU_PAGE_SHIFT; + + queue_input.process_quantum = 100000; /* 10ms */ + queue_input.process_csa_addr = test->ctx_data_gpu_addr + + offsetof(struct umsch_mm_test_ctx_data, process_csa); + + queue_input.context_quantum = 10000; /* 1ms */ + queue_input.context_csa_addr = qinfo->csa_addr; + + queue_input.inprocess_context_priority = CONTEXT_PRIORITY_LEVEL_NORMAL; + queue_input.context_global_priority_level = CONTEXT_PRIORITY_LEVEL_NORMAL; + queue_input.doorbell_offset_0 = qinfo->doorbell_offset_0; + queue_input.doorbell_offset_1 = qinfo->doorbell_offset_1; + + queue_input.engine_type = qinfo->engine; + queue_input.mqd_addr = qinfo->mqd_addr; + queue_input.vm_context_cntl = test->vm_cntx_cntl; + + amdgpu_umsch_mm_lock(&adev->umsch_mm); + r = adev->umsch_mm.funcs->add_queue(&adev->umsch_mm, &queue_input); + amdgpu_umsch_mm_unlock(&adev->umsch_mm); + if (r) + return r; + + return 0; +} + +static int remove_test_queue(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ + struct umsch_mm_remove_queue_input queue_input = {}; + int r; + + queue_input.doorbell_offset_0 = qinfo->doorbell_offset_0; + queue_input.doorbell_offset_1 = qinfo->doorbell_offset_1; + queue_input.context_csa_addr = qinfo->csa_addr; + + amdgpu_umsch_mm_lock(&adev->umsch_mm); + r = adev->umsch_mm.funcs->remove_queue(&adev->umsch_mm, &queue_input); + amdgpu_umsch_mm_unlock(&adev->umsch_mm); + if (r) + return r; + + return 0; +} + +static int submit_vpe_queue(struct amdgpu_device *adev, struct umsch_mm_test *test) +{ + return 0; +} + +static int submit_vcn_queue(struct amdgpu_device *adev, struct umsch_mm_test *test) +{ + return 0; +} + +static int setup_umsch_mm_test(struct amdgpu_device *adev, + struct umsch_mm_test *test) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; + int r; + + test->vm_cntx_cntl = hub->vm_cntx_cntl; + + test->vm = kzalloc(sizeof(*test->vm), GFP_KERNEL); + if (!test->vm) { + r = -ENOMEM; + return r; + } + + r = amdgpu_vm_init(adev, test->vm, -1); + if (r) + goto error_free_vm; + + test->pasid = amdgpu_pasid_alloc(16); + if (test->pasid < 0) { + r = test->pasid; + goto error_fini_vm; + } + + r = amdgpu_bo_create_kernel(adev, sizeof(struct umsch_mm_test_ctx_data), + PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, + &test->ctx_data_obj, + &test->ctx_data_gpu_addr, + (void **)&test->ctx_data_cpu_addr); + if (r) + goto error_free_pasid; + + memset(test->ctx_data_cpu_addr, 0, sizeof(struct umsch_mm_test_ctx_data)); + + r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, + PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, + &test->mqd_data_obj, + &test->mqd_data_gpu_addr, + (void **)&test->mqd_data_cpu_addr); + if (r) + goto error_free_ctx_data_obj; + + memset(test->mqd_data_cpu_addr, 0, PAGE_SIZE); + + r = amdgpu_bo_create_kernel(adev, sizeof(struct umsch_mm_test_ring_data), + PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, + &test->ring_data_obj, + NULL, + (void **)&test->ring_data_cpu_addr); + if (r) + goto error_free_mqd_data_obj; + + memset(test->ring_data_cpu_addr, 0, sizeof(struct umsch_mm_test_ring_data)); + + test->ring_data_gpu_addr = AMDGPU_VA_RESERVED_SIZE; + r = map_ring_data(adev, test->vm, test->ring_data_obj, &test->bo_va, + test->ring_data_gpu_addr, sizeof(struct umsch_mm_test_ring_data)); + if (r) + goto error_free_ring_data_obj; + + return 0; + +error_free_ring_data_obj: + amdgpu_bo_free_kernel(&test->ring_data_obj, NULL, + (void **)&test->ring_data_cpu_addr); +error_free_mqd_data_obj: + amdgpu_bo_free_kernel(&test->mqd_data_obj, &test->mqd_data_gpu_addr, + (void **)&test->mqd_data_cpu_addr); +error_free_ctx_data_obj: + amdgpu_bo_free_kernel(&test->ctx_data_obj, &test->ctx_data_gpu_addr, + (void **)&test->ctx_data_cpu_addr); +error_free_pasid: + amdgpu_pasid_free(test->pasid); +error_fini_vm: + amdgpu_vm_fini(adev, test->vm); +error_free_vm: + kfree(test->vm); + + return r; +} + +static void cleanup_umsch_mm_test(struct amdgpu_device *adev, + struct umsch_mm_test *test) +{ + unmap_ring_data(adev, test->vm, test->ring_data_obj, + test->bo_va, test->ring_data_gpu_addr); + amdgpu_bo_free_kernel(&test->mqd_data_obj, &test->mqd_data_gpu_addr, + (void **)&test->mqd_data_cpu_addr); + amdgpu_bo_free_kernel(&test->ring_data_obj, NULL, + (void **)&test->ring_data_cpu_addr); + amdgpu_bo_free_kernel(&test->ctx_data_obj, &test->ctx_data_gpu_addr, + (void **)&test->ctx_data_cpu_addr); + amdgpu_pasid_free(test->pasid); + amdgpu_vm_fini(adev, test->vm); + kfree(test->vm); +} + +static int setup_test_queues(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ + int i, r; + + for (i = 0; i < test->num_queues; i++) { + if (qinfo[i].engine == UMSCH_SWIP_ENGINE_TYPE_VPE) + setup_vpe_queue(adev, test, &qinfo[i]); + else + setup_vcn_queue(adev, test, &qinfo[i]); + + r = add_test_queue(adev, test, &qinfo[i]); + if (r) + return r; + } + + return 0; +} + +static int submit_test_queues(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ + int i, r; + + for (i = 0; i < test->num_queues; i++) { + if (qinfo[i].engine == UMSCH_SWIP_ENGINE_TYPE_VPE) + r = submit_vpe_queue(adev, test); + else + r = submit_vcn_queue(adev, test); + if (r) + return r; + } + + return 0; +} + +static void cleanup_test_queues(struct amdgpu_device *adev, + struct umsch_mm_test *test, + struct umsch_mm_test_queue_info *qinfo) +{ + int i; + + for (i = 0; i < test->num_queues; i++) + remove_test_queue(adev, test, &qinfo[i]); +} + +static int umsch_mm_test(struct amdgpu_device *adev) +{ + struct umsch_mm_test_queue_info qinfo[] = {}; + struct umsch_mm_test test = { .num_queues = ARRAY_SIZE(qinfo) }; + int r; + + r = setup_umsch_mm_test(adev, &test); + if (r) + return r; + + r = setup_test_queues(adev, &test, qinfo); + if (r) + goto cleanup; + + r = submit_test_queues(adev, &test, qinfo); + if (r) + goto cleanup; + + cleanup_test_queues(adev, &test, qinfo); + cleanup_umsch_mm_test(adev, &test); + + return 0; + +cleanup: + cleanup_test_queues(adev, &test, qinfo); + cleanup_umsch_mm_test(adev, &test); + return r; +} + int amdgpu_umsch_mm_submit_pkt(struct amdgpu_umsch_mm *umsch, void *pkt, int ndws) { struct amdgpu_ring *ring = &umsch->ring; @@ -272,7 +674,9 @@ static int umsch_mm_early_init(void *handle) static int umsch_mm_late_init(void *handle) { - return 0; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return umsch_mm_test(adev); } static int umsch_mm_sw_init(void *handle) -- 2.41.0