1 files changed, 121 insertions, 58 deletions

diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 9b105b811f1f..b59626c4994c 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -24,13 +24,18 @@
 
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
+#include <linux/iommu.h>
 
 #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"
 
 #include "mock_request.h"
 #include "mock_gem_device.h"
@@ -43,14 +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)
@@ -61,33 +67,28 @@ static void mock_device_release(struct drm_device *dev)
 		goto out;
 
 	mock_device_flush(i915);
-	intel_gt_driver_remove(&i915->gt);
-
-	i915_gem_driver_release__contexts(i915);
+	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_gt_driver_late_release(&i915->gt);
+	intel_region_ttm_device_fini(i915);
+	intel_gt_driver_late_release_all(i915);
 	intel_memory_regions_driver_release(i915);
 
 	drm_mode_config_cleanup(&i915->drm);
 
 out:
-	put_device(&i915->drm.pdev->dev);
-	i915->drm.pdev = NULL;
+	i915_params_free(&i915->params);
 }
 
-static struct drm_driver mock_driver = {
+static const struct drm_driver mock_driver = {
 	.name = "mock",
 	.driver_features = DRIVER_GEM,
 	.release = mock_device_release,
-
-	.gem_close_object = i915_gem_close_object,
-	.gem_free_object_unlocked = i915_gem_free_object,
 };
 
 static void release_dev(struct device *dev)
@@ -114,33 +115,81 @@ 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) && 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 err;
+	int ret;
 
 	pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
 	if (!pdev)
 		return NULL;
-	i915 = kzalloc(sizeof(*i915), GFP_KERNEL);
-	if (!i915) {
-		kfree(pdev);
-		return NULL;
-	}
-
 	device_initialize(&pdev->dev);
 	pdev->class = PCI_BASE_CLASS_DISPLAY << 16;
 	pdev->dev.release = release_dev;
 	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)
-	/* hack to disable iommu for the fake device; force identity mapping */
-	pdev->dev.archdata.iommu = (void *)-1;
+#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
+	if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) {
+		put_device(&pdev->dev);
+		return NULL;
+	}
+
+	i915 = devm_drm_dev_alloc(&pdev->dev, &mock_driver,
+				  struct drm_i915_private, drm);
+	if (IS_ERR(i915)) {
+		pr_err("Failed to allocate mock GEM device: err=%ld\n", PTR_ERR(i915));
+		devres_release_group(&pdev->dev, NULL);
+		put_device(&pdev->dev);
+
+		return NULL;
+	}
+
+	pci_set_drvdata(pdev, &i915->drm);
 
-	pci_set_drvdata(pdev, i915);
+	/* 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);
@@ -148,73 +197,87 @@ struct drm_i915_private *mock_gem_device(void)
 	if (pm_runtime_enabled(&pdev->dev))
 		WARN_ON(pm_runtime_get_sync(&pdev->dev));
 
-	err = drm_dev_init(&i915->drm, &mock_driver, &pdev->dev);
-	if (err) {
-		pr_err("Failed to initialise mock GEM device: err=%d\n", err);
-		put_device(&pdev->dev);
-		kfree(i915);
-
-		return NULL;
-	}
-	i915->drm.pdev = pdev;
-	drmm_add_final_kfree(&i915->drm, i915);
-
 	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)->gen = -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)
+		goto err_ttm;
 
 	i915->wq = alloc_ordered_workqueue("mock", 0);
 	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)->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;
+	ida_init(&i915->selftest.mock_region_instances);
 
 	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_gt_driver_late_release(&i915->gt);
+	intel_region_ttm_device_fini(i915);
+err_ttm:
+	intel_gt_driver_late_release_all(i915);
 	intel_memory_regions_driver_release(i915);
 	drm_mode_config_cleanup(&i915->drm);
-	drm_dev_put(&i915->drm);
+err_device:
+	mock_destroy_device(i915);
 
 	return NULL;
 }
+
+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);
+}