diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 223 |
1 files changed, 209 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 69a70a0aaed9..fe82b8b19a4e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -114,8 +114,14 @@ static int amdgpu_mes_doorbell_init(struct amdgpu_device *adev) size_t doorbell_start_offset; size_t doorbell_aperture_size; size_t doorbell_process_limit; + size_t aggregated_doorbell_start; + int i; - doorbell_start_offset = (adev->doorbell_index.max_assignment+1) * sizeof(u32); + aggregated_doorbell_start = (adev->doorbell_index.max_assignment + 1) * sizeof(u32); + aggregated_doorbell_start = + roundup(aggregated_doorbell_start, PAGE_SIZE); + + doorbell_start_offset = aggregated_doorbell_start + PAGE_SIZE; doorbell_start_offset = roundup(doorbell_start_offset, amdgpu_mes_doorbell_process_slice(adev)); @@ -135,6 +141,11 @@ static int amdgpu_mes_doorbell_init(struct amdgpu_device *adev) adev->mes.doorbell_id_offset = doorbell_start_offset / sizeof(u32); adev->mes.max_doorbell_slices = doorbell_process_limit; + /* allocate Qword range for aggregated doorbell */ + for (i = 0; i < AMDGPU_MES_PRIORITY_NUM_LEVELS; i++) + adev->mes.aggregated_doorbells[i] = + aggregated_doorbell_start / sizeof(u32) + i * 2; + DRM_INFO("max_doorbell_slices=%zu\n", doorbell_process_limit); return 0; } @@ -150,6 +161,7 @@ int amdgpu_mes_init(struct amdgpu_device *adev) idr_init(&adev->mes.queue_id_idr); ida_init(&adev->mes.doorbell_ida); spin_lock_init(&adev->mes.queue_id_lock); + spin_lock_init(&adev->mes.ring_lock); mutex_init(&adev->mes.mutex_hidden); adev->mes.total_max_queue = AMDGPU_FENCE_MES_QUEUE_ID_MASK; @@ -173,9 +185,6 @@ int amdgpu_mes_init(struct amdgpu_device *adev) adev->mes.sdma_hqd_mask[i] = 0xfc; } - for (i = 0; i < AMDGPU_MES_PRIORITY_NUM_LEVELS; i++) - adev->mes.agreegated_doorbells[i] = 0xffffffff; - r = amdgpu_device_wb_get(adev, &adev->mes.sch_ctx_offs); if (r) { dev_err(adev->dev, @@ -189,15 +198,29 @@ int amdgpu_mes_init(struct amdgpu_device *adev) r = amdgpu_device_wb_get(adev, &adev->mes.query_status_fence_offs); if (r) { + amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); dev_err(adev->dev, "(%d) query_status_fence_offs wb alloc failed\n", r); - return r; + goto error_ids; } adev->mes.query_status_fence_gpu_addr = adev->wb.gpu_addr + (adev->mes.query_status_fence_offs * 4); adev->mes.query_status_fence_ptr = (uint64_t *)&adev->wb.wb[adev->mes.query_status_fence_offs]; + r = amdgpu_device_wb_get(adev, &adev->mes.read_val_offs); + if (r) { + amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); + amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs); + dev_err(adev->dev, + "(%d) read_val_offs alloc failed\n", r); + goto error_ids; + } + adev->mes.read_val_gpu_addr = + adev->wb.gpu_addr + (adev->mes.read_val_offs * 4); + adev->mes.read_val_ptr = + (uint32_t *)&adev->wb.wb[adev->mes.read_val_offs]; + r = amdgpu_mes_doorbell_init(adev); if (r) goto error; @@ -206,6 +229,8 @@ int amdgpu_mes_init(struct amdgpu_device *adev) error: amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); + amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs); + amdgpu_device_wb_free(adev, adev->mes.read_val_offs); error_ids: idr_destroy(&adev->mes.pasid_idr); idr_destroy(&adev->mes.gang_id_idr); @@ -218,6 +243,8 @@ error_ids: void amdgpu_mes_fini(struct amdgpu_device *adev) { amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs); + amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs); + amdgpu_device_wb_free(adev, adev->mes.read_val_offs); idr_destroy(&adev->mes.pasid_idr); idr_destroy(&adev->mes.gang_id_idr); @@ -675,8 +702,10 @@ int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id, queue_input.doorbell_offset = qprops->doorbell_off; queue_input.mqd_addr = queue->mqd_gpu_addr; queue_input.wptr_addr = qprops->wptr_gpu_addr; + queue_input.wptr_mc_addr = qprops->wptr_mc_addr; queue_input.queue_type = qprops->queue_type; queue_input.paging = qprops->paging; + queue_input.is_kfd_process = 0; r = adev->mes.funcs->add_hw_queue(&adev->mes, &queue_input); if (r) { @@ -696,6 +725,7 @@ int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id, queue->queue_type = qprops->queue_type; queue->paging = qprops->paging; queue->gang = gang; + queue->ring->mqd_ptr = queue->mqd_cpu_ptr; list_add_tail(&queue->list, &gang->queue_list); amdgpu_mes_unlock(&adev->mes); @@ -774,8 +804,6 @@ int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev, struct mes_unmap_legacy_queue_input queue_input; int r; - amdgpu_mes_lock(&adev->mes); - queue_input.action = action; queue_input.queue_type = ring->funcs->type; queue_input.doorbell_offset = ring->doorbell_index; @@ -788,7 +816,106 @@ int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev, if (r) DRM_ERROR("failed to unmap legacy queue\n"); - amdgpu_mes_unlock(&adev->mes); + return r; +} + +uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg) +{ + struct mes_misc_op_input op_input; + int r, val = 0; + + op_input.op = MES_MISC_OP_READ_REG; + op_input.read_reg.reg_offset = reg; + op_input.read_reg.buffer_addr = adev->mes.read_val_gpu_addr; + + if (!adev->mes.funcs->misc_op) { + DRM_ERROR("mes rreg is not supported!\n"); + goto error; + } + + r = adev->mes.funcs->misc_op(&adev->mes, &op_input); + if (r) + DRM_ERROR("failed to read reg (0x%x)\n", reg); + else + val = *(adev->mes.read_val_ptr); + +error: + return val; +} + +int amdgpu_mes_wreg(struct amdgpu_device *adev, + uint32_t reg, uint32_t val) +{ + struct mes_misc_op_input op_input; + int r; + + op_input.op = MES_MISC_OP_WRITE_REG; + op_input.write_reg.reg_offset = reg; + op_input.write_reg.reg_value = val; + + if (!adev->mes.funcs->misc_op) { + DRM_ERROR("mes wreg is not supported!\n"); + r = -EINVAL; + goto error; + } + + r = adev->mes.funcs->misc_op(&adev->mes, &op_input); + if (r) + DRM_ERROR("failed to write reg (0x%x)\n", reg); + +error: + return r; +} + +int amdgpu_mes_reg_write_reg_wait(struct amdgpu_device *adev, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask) +{ + struct mes_misc_op_input op_input; + int r; + + op_input.op = MES_MISC_OP_WRM_REG_WR_WAIT; + op_input.wrm_reg.reg0 = reg0; + op_input.wrm_reg.reg1 = reg1; + op_input.wrm_reg.ref = ref; + op_input.wrm_reg.mask = mask; + + if (!adev->mes.funcs->misc_op) { + DRM_ERROR("mes reg_write_reg_wait is not supported!\n"); + r = -EINVAL; + goto error; + } + + r = adev->mes.funcs->misc_op(&adev->mes, &op_input); + if (r) + DRM_ERROR("failed to reg_write_reg_wait\n"); + +error: + return r; +} + +int amdgpu_mes_reg_wait(struct amdgpu_device *adev, uint32_t reg, + uint32_t val, uint32_t mask) +{ + struct mes_misc_op_input op_input; + int r; + + op_input.op = MES_MISC_OP_WRM_REG_WAIT; + op_input.wrm_reg.reg0 = reg; + op_input.wrm_reg.ref = val; + op_input.wrm_reg.mask = mask; + + if (!adev->mes.funcs->misc_op) { + DRM_ERROR("mes reg wait is not supported!\n"); + r = -EINVAL; + goto error; + } + + r = adev->mes.funcs->misc_op(&adev->mes, &op_input); + if (r) + DRM_ERROR("failed to reg_write_reg_wait\n"); + +error: return r; } @@ -801,6 +928,8 @@ amdgpu_mes_ring_to_queue_props(struct amdgpu_device *adev, props->hqd_base_gpu_addr = ring->gpu_addr; props->rptr_gpu_addr = ring->rptr_gpu_addr; props->wptr_gpu_addr = ring->wptr_gpu_addr; + props->wptr_mc_addr = + ring->mes_ctx->meta_data_mc_addr + ring->wptr_offs; props->queue_size = ring->ring_size; props->eop_gpu_addr = ring->eop_gpu_addr; props->hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_NORMAL; @@ -953,6 +1082,12 @@ void amdgpu_mes_remove_ring(struct amdgpu_device *adev, kfree(ring); } +uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev, + enum amdgpu_mes_priority_level prio) +{ + return adev->mes.aggregated_doorbells[prio]; +} + int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev, struct amdgpu_mes_ctx_data *ctx_data) { @@ -961,7 +1096,8 @@ int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev, r = amdgpu_bo_create_kernel(adev, sizeof(struct amdgpu_mes_ctx_meta_data), PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, - &ctx_data->meta_data_obj, NULL, + &ctx_data->meta_data_obj, + &ctx_data->meta_data_mc_addr, &ctx_data->meta_data_ptr); if (!ctx_data->meta_data_obj) return -ENOMEM; @@ -975,7 +1111,9 @@ int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev, void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data) { if (ctx_data->meta_data_obj) - amdgpu_bo_free_kernel(&ctx_data->meta_data_obj, NULL, NULL); + amdgpu_bo_free_kernel(&ctx_data->meta_data_obj, + &ctx_data->meta_data_mc_addr, + &ctx_data->meta_data_ptr); } int amdgpu_mes_ctx_map_meta_data(struct amdgpu_device *adev, @@ -1051,6 +1189,63 @@ error: return r; } +int amdgpu_mes_ctx_unmap_meta_data(struct amdgpu_device *adev, + struct amdgpu_mes_ctx_data *ctx_data) +{ + struct amdgpu_bo_va *bo_va = ctx_data->meta_data_va; + struct amdgpu_bo *bo = ctx_data->meta_data_obj; + struct amdgpu_vm *vm = bo_va->base.vm; + struct amdgpu_bo_list_entry vm_pd; + struct list_head list, duplicates; + struct dma_fence *fence = NULL; + struct ttm_validate_buffer tv; + struct ww_acquire_ctx ticket; + long r = 0; + + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&duplicates); + + tv.bo = &bo->tbo; + tv.num_shared = 2; + list_add(&tv.head, &list); + + amdgpu_vm_get_pd_bo(vm, &list, &vm_pd); + + r = ttm_eu_reserve_buffers(&ticket, &list, false, &duplicates); + if (r) { + dev_err(adev->dev, "leaking bo va because " + "we fail to reserve bo (%ld)\n", r); + return r; + } + + amdgpu_vm_bo_del(adev, bo_va); + if (!amdgpu_vm_ready(vm)) + goto out_unlock; + + r = dma_resv_get_singleton(bo->tbo.base.resv, DMA_RESV_USAGE_BOOKKEEP, &fence); + if (r) + goto out_unlock; + if (fence) { + amdgpu_bo_fence(bo, fence, true); + fence = NULL; + } + + r = amdgpu_vm_clear_freed(adev, vm, &fence); + if (r || !fence) + goto out_unlock; + + dma_fence_wait(fence, false); + amdgpu_bo_fence(bo, fence, true); + dma_fence_put(fence); + +out_unlock: + if (unlikely(r < 0)) + dev_err(adev->dev, "failed to clear page tables (%ld)\n", r); + ttm_eu_backoff_reservation(&ticket, &list); + + return r; +} + static int amdgpu_mes_test_create_gang_and_queues(struct amdgpu_device *adev, int pasid, int *gang_id, int queue_type, int num_queue, @@ -1157,7 +1352,7 @@ int amdgpu_mes_self_test(struct amdgpu_device *adev) r = amdgpu_mes_ctx_alloc_meta_data(adev, &ctx_data); if (r) { DRM_ERROR("failed to alloc ctx meta data\n"); - goto error_pasid; + goto error_fini; } ctx_data.meta_data_gpu_addr = AMDGPU_VA_RESERVED_SIZE; @@ -1212,9 +1407,9 @@ error_queues: amdgpu_mes_destroy_process(adev, pasid); error_vm: - BUG_ON(amdgpu_bo_reserve(ctx_data.meta_data_obj, true)); - amdgpu_vm_bo_del(adev, ctx_data.meta_data_va); - amdgpu_bo_unreserve(ctx_data.meta_data_obj); + amdgpu_mes_ctx_unmap_meta_data(adev, &ctx_data); + +error_fini: amdgpu_vm_fini(adev, vm); error_pasid: |