1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c
new file mode 100644
index 000000000000..b2ad41c27e67
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/mock_region.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include "gem/i915_gem_region.h"
+#include "intel_memory_region.h"
+
+#include "mock_region.h"
+
+static const struct drm_i915_gem_object_ops mock_region_obj_ops = {
+	.get_pages = i915_gem_object_get_pages_buddy,
+	.put_pages = i915_gem_object_put_pages_buddy,
+	.release = i915_gem_object_release_memory_region,
+};
+
+static struct drm_i915_gem_object *
+mock_object_create(struct intel_memory_region *mem,
+		   resource_size_t size,
+		   unsigned int flags)
+{
+	static struct lock_class_key lock_class;
+	struct drm_i915_private *i915 = mem->i915;
+	struct drm_i915_gem_object *obj;
+
+	if (size > BIT(mem->mm.max_order) * mem->mm.chunk_size)
+		return ERR_PTR(-E2BIG);
+
+	obj = i915_gem_object_alloc();
+	if (!obj)
+		return ERR_PTR(-ENOMEM);
+
+	drm_gem_private_object_init(&i915->drm, &obj->base, size);
+	i915_gem_object_init(obj, &mock_region_obj_ops, &lock_class);
+
+	obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT;
+
+	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
+
+	i915_gem_object_init_memory_region(obj, mem, flags);
+
+	return obj;
+}
+
+static const struct intel_memory_region_ops mock_region_ops = {
+	.init = intel_memory_region_init_buddy,
+	.release = intel_memory_region_release_buddy,
+	.create_object = mock_object_create,
+};
+
+struct intel_memory_region *
+mock_region_create(struct drm_i915_private *i915,
+		   resource_size_t start,
+		   resource_size_t size,
+		   resource_size_t min_page_size,
+		   resource_size_t io_start)
+{
+	return intel_memory_region_create(i915, start, size, min_page_size,
+					  io_start, &mock_region_ops);
+}