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drm/ttm/tests: Add tests for ttm_pool

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Add KUnit tests that exercise page allocation using page pools
and freeing pages, either by returning them to the pool or
freeing them. Add a basic test for ttm_pool cleanup. Introduce
helpers to create a dummy ttm_buffer_object.

Signed-off-by: Karolina Stolarek <karolina.stolarek@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/427ea373357d0b6cb376c9d7ebc33c930bf1d28a.1691487006.git.karolina.stolarek@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Karolina Stolarek
2023-08-08 11:51:14 +02:00
committed by Christian König
parent 24ac009ec3
commit 204042049a
4 changed files with 459 additions and 0 deletions
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17
drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c
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@@ -25,6 +25,23 @@ int ttm_device_kunit_init(struct ttm_test_devices *priv,
}
EXPORT_SYMBOL_GPL(ttm_device_kunit_init);
struct ttm_buffer_object *ttm_bo_kunit_init(struct kunit *test,
struct ttm_test_devices *devs,
size_t size)
{
struct drm_gem_object gem_obj = { .size = size };
struct ttm_buffer_object *bo;
bo = kunit_kzalloc(test, sizeof(*bo), GFP_KERNEL);
KUNIT_ASSERT_NOT_NULL(test, bo);
bo->base = gem_obj;
bo->bdev = devs->ttm_dev;
return bo;
}
EXPORT_SYMBOL_GPL(ttm_bo_kunit_init);
struct ttm_test_devices *ttm_test_devices_basic(struct kunit *test)
{
struct ttm_test_devices *devs;