diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/mock_gem_device.c')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_gem_device.c | 115 |
1 files changed, 81 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index d189c4bd4bef..b59626c4994c 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -28,9 +28,12 @@ #include <drm/drm_managed.h> +#include "display/intel_display_device.h" + #include "gt/intel_gt.h" #include "gt/intel_gt_requests.h" #include "gt/mock_engine.h" +#include "i915_driver.h" #include "intel_memory_region.h" #include "intel_region_ttm.h" @@ -45,14 +48,15 @@ void mock_device_flush(struct drm_i915_private *i915) { - struct intel_gt *gt = &i915->gt; + struct intel_gt *gt = to_gt(i915); struct intel_engine_cs *engine; enum intel_engine_id id; do { for_each_engine(engine, gt, id) mock_engine_flush(engine); - } while (intel_gt_retire_requests_timeout(gt, MAX_SCHEDULE_TIMEOUT)); + } while (intel_gt_retire_requests_timeout(gt, MAX_SCHEDULE_TIMEOUT, + NULL)); } static void mock_device_release(struct drm_device *dev) @@ -63,16 +67,16 @@ static void mock_device_release(struct drm_device *dev) goto out; mock_device_flush(i915); - intel_gt_driver_remove(&i915->gt); + intel_gt_driver_remove(to_gt(i915)); i915_gem_drain_workqueue(i915); - i915_gem_drain_freed_objects(i915); - mock_fini_ggtt(&i915->ggtt); + mock_fini_ggtt(to_gt(i915)->ggtt); + destroy_workqueue(i915->unordered_wq); destroy_workqueue(i915->wq); intel_region_ttm_device_fini(i915); - intel_gt_driver_late_release(&i915->gt); + intel_gt_driver_late_release_all(i915); intel_memory_regions_driver_release(i915); drm_mode_config_cleanup(&i915->drm); @@ -111,12 +115,36 @@ static struct dev_pm_domain pm_domain = { }, }; +static void mock_gt_probe(struct drm_i915_private *i915) +{ + i915->gt[0]->name = "Mock GT"; +} + +static const struct intel_device_info mock_info = { + .__runtime.graphics.ip.ver = -1, + .__runtime.page_sizes = (I915_GTT_PAGE_SIZE_4K | + I915_GTT_PAGE_SIZE_64K | + I915_GTT_PAGE_SIZE_2M), + .memory_regions = BIT(INTEL_REGION_SMEM), + .platform_engine_mask = BIT(0), + + /* simply use legacy cache level for mock device */ + .max_pat_index = 3, + .cachelevel_to_pat = { + [I915_CACHE_NONE] = 0, + [I915_CACHE_LLC] = 1, + [I915_CACHE_L3_LLC] = 2, + [I915_CACHE_WT] = 3, + }, +}; + struct drm_i915_private *mock_gem_device(void) { -#if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU) +#if IS_ENABLED(CONFIG_IOMMU_API) && IS_ENABLED(CONFIG_INTEL_IOMMU) static struct dev_iommu fake_iommu = { .priv = (void *)-1 }; #endif struct drm_i915_private *i915; + struct intel_display *display; struct pci_dev *pdev; int ret; @@ -129,7 +157,7 @@ struct drm_i915_private *mock_gem_device(void) dev_set_name(&pdev->dev, "mock"); dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); -#if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU) +#if IS_ENABLED(CONFIG_IOMMU_API) && IS_ENABLED(CONFIG_INTEL_IOMMU) /* HACK to disable iommu for the fake device; force identity mapping */ pdev->dev.iommu = &fake_iommu; #endif @@ -148,7 +176,20 @@ struct drm_i915_private *mock_gem_device(void) return NULL; } - pci_set_drvdata(pdev, i915); + pci_set_drvdata(pdev, &i915->drm); + + /* Device parameters start as a copy of module parameters. */ + i915_params_copy(&i915->params, &i915_modparams); + + /* Set up device info and initial runtime info. */ + intel_device_info_driver_create(i915, pdev->device, &mock_info); + + /* FIXME: Can we run selftests using a mock device without display? */ + display = intel_display_device_probe(pdev, i915_driver_parent_interface()); + if (IS_ERR(display)) + goto err_device; + + i915->display = display; dev_pm_domain_set(&pdev->dev, &pm_domain); pm_runtime_enable(&pdev->dev); @@ -156,30 +197,23 @@ struct drm_i915_private *mock_gem_device(void) if (pm_runtime_enabled(&pdev->dev)) WARN_ON(pm_runtime_get_sync(&pdev->dev)); - - i915_params_copy(&i915->params, &i915_modparams); - intel_runtime_pm_init_early(&i915->runtime_pm); + /* wakeref tracking has significant overhead */ + i915->runtime_pm.no_wakeref_tracking = true; /* Using the global GTT may ask questions about KMS users, so prepare */ drm_mode_config_init(&i915->drm); - mkwrite_device_info(i915)->graphics_ver = -1; - - mkwrite_device_info(i915)->page_sizes = - I915_GTT_PAGE_SIZE_4K | - I915_GTT_PAGE_SIZE_64K | - I915_GTT_PAGE_SIZE_2M; - - mkwrite_device_info(i915)->memory_regions = REGION_SMEM; intel_memory_regions_hw_probe(i915); - mock_uncore_init(&i915->uncore, i915); + spin_lock_init(&i915->gpu_error.lock); i915_gem_init__mm(i915); - intel_gt_init_early(&i915->gt, i915); - atomic_inc(&i915->gt.wakeref.count); /* disable; no hw support */ - i915->gt.awake = -ENODEV; + intel_root_gt_init_early(i915); + mock_uncore_init(&i915->uncore, i915); + atomic_inc(&to_gt(i915)->wakeref.count); /* disable; no hw support */ + to_gt(i915)->awake = INTEL_WAKEREF_MOCK_GT; + mock_gt_probe(i915); ret = intel_region_ttm_device_init(i915); if (ret) @@ -189,22 +223,30 @@ struct drm_i915_private *mock_gem_device(void) if (!i915->wq) goto err_drv; + i915->unordered_wq = alloc_workqueue("mock-unordered", 0, 0); + if (!i915->unordered_wq) + goto err_wq; + mock_init_contexts(i915); - mock_init_ggtt(i915, &i915->ggtt); - i915->gt.vm = i915_vm_get(&i915->ggtt.vm); + /* allocate the ggtt */ + ret = intel_gt_assign_ggtt(to_gt(i915)); + if (ret) + goto err_unlock; + + mock_init_ggtt(to_gt(i915)); + to_gt(i915)->vm = i915_vm_get(&to_gt(i915)->ggtt->vm); - mkwrite_device_info(i915)->platform_engine_mask = BIT(0); - i915->gt.info.engine_mask = BIT(0); + to_gt(i915)->info.engine_mask = BIT(0); - i915->gt.engine[RCS0] = mock_engine(i915, "mock", RCS0); - if (!i915->gt.engine[RCS0]) + to_gt(i915)->engine[RCS0] = mock_engine(i915, "mock", RCS0); + if (!to_gt(i915)->engine[RCS0]) goto err_unlock; - if (mock_engine_init(i915->gt.engine[RCS0])) + if (mock_engine_init(to_gt(i915)->engine[RCS0])) goto err_context; - __clear_bit(I915_WEDGED, &i915->gt.reset.flags); + __clear_bit(I915_WEDGED, &to_gt(i915)->reset.flags); intel_engines_driver_register(i915); i915->do_release = true; @@ -213,15 +255,18 @@ struct drm_i915_private *mock_gem_device(void) return i915; err_context: - intel_gt_driver_remove(&i915->gt); + intel_gt_driver_remove(to_gt(i915)); err_unlock: + destroy_workqueue(i915->unordered_wq); +err_wq: destroy_workqueue(i915->wq); err_drv: intel_region_ttm_device_fini(i915); err_ttm: - intel_gt_driver_late_release(&i915->gt); + intel_gt_driver_late_release_all(i915); intel_memory_regions_driver_release(i915); drm_mode_config_cleanup(&i915->drm); +err_device: mock_destroy_device(i915); return NULL; @@ -231,6 +276,8 @@ void mock_destroy_device(struct drm_i915_private *i915) { struct device *dev = i915->drm.dev; + intel_display_device_remove(i915->display); + devres_release_group(dev, NULL); put_device(dev); } |