i915/selftests/mock_gem_device.c

46 void mock_device_flush(struct drm_i915_private *i915)
48 	struct intel_gt *gt = to_gt(i915);
61 	struct drm_i915_private *i915 = to_i915(dev);
63 	if (!i915->do_release)
66 	mock_device_flush(i915);
67 	intel_gt_driver_remove(to_gt(i915));
69 	i915_gem_drain_workqueue(i915);
71 	mock_fini_ggtt(to_gt(i915)->ggtt);
72 	destroy_workqueue(i915->unordered_wq);
73 	destroy_workqueue(i915->wq);
75 	intel_region_ttm_device_fini(i915);
76 	intel_gt_driver_late_release_all(i915);
77 	intel_memory_regions_driver_release(i915);
79 	drm_mode_config_cleanup(&i915->drm);
82 	i915_params_free(&i915->params);
115 static void mock_gt_probe(struct drm_i915_private *i915)
117 	i915->gt[0]->name = "Mock GT";
143 	struct drm_i915_private *i915;
165 	i915 = devm_drm_dev_alloc(&pdev->dev, &mock_driver,
167 	if (IS_ERR(i915)) {
168 		pr_err("Failed to allocate mock GEM device: err=%ld\n", PTR_ERR(i915));
175 	pci_set_drvdata(pdev, i915);
178 	i915_params_copy(&i915->params, &i915_modparams);
181 	intel_device_info_driver_create(i915, pdev->device, &mock_info);
183 	intel_display_device_probe(i915);
191 	intel_runtime_pm_init_early(&i915->runtime_pm);
193 	i915->runtime_pm.no_wakeref_tracking = true;
196 	drm_mode_config_init(&i915->drm);
198 	intel_memory_regions_hw_probe(i915);
200 	spin_lock_init(&i915->gpu_error.lock);
202 	i915_gem_init__mm(i915);
203 	intel_root_gt_init_early(i915);
204 	mock_uncore_init(&i915->uncore, i915);
205 	atomic_inc(&to_gt(i915)->wakeref.count); /* disable; no hw support */
206 	to_gt(i915)->awake = -ENODEV;
207 	mock_gt_probe(i915);
209 	ret = intel_region_ttm_device_init(i915);
213 	i915->wq = alloc_ordered_workqueue("mock", 0);
214 	if (!i915->wq)
217 	i915->unordered_wq = alloc_workqueue("mock-unordered", 0, 0);
218 	if (!i915->unordered_wq)
221 	mock_init_contexts(i915);
224 	ret = intel_gt_assign_ggtt(to_gt(i915));
228 	mock_init_ggtt(to_gt(i915));
229 	to_gt(i915)->vm = i915_vm_get(&to_gt(i915)->ggtt->vm);
231 	to_gt(i915)->info.engine_mask = BIT(0);
233 	to_gt(i915)->engine[RCS0] = mock_engine(i915, "mock", RCS0);
234 	if (!to_gt(i915)->engine[RCS0])
237 	if (mock_engine_init(to_gt(i915)->engine[RCS0]))
240 	__clear_bit(I915_WEDGED, &to_gt(i915)->reset.flags);
241 	intel_engines_driver_register(i915);
243 	i915->do_release = true;
244 	ida_init(&i915->selftest.mock_region_instances);
246 	return i915;
249 	intel_gt_driver_remove(to_gt(i915));
251 	destroy_workqueue(i915->unordered_wq);
253 	destroy_workqueue(i915->wq);
255 	intel_region_ttm_device_fini(i915);
257 	intel_gt_driver_late_release_all(i915);
258 	intel_memory_regions_driver_release(i915);
259 	drm_mode_config_cleanup(&i915->drm);
260 	mock_destroy_device(i915);
265 void mock_destroy_device(struct drm_i915_private *i915)
267 	struct device *dev = i915->drm.dev;