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drm/ttm: Introduce KUnit test

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Add the initial version of unit tests for ttm_device struct, together
with helper functions.

Signed-off-by: Karolina Stolarek <karolina.stolarek@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3d1cc45c8a0cf536b92a850e0025f6c555de0169.1691487006.git.karolina.stolarek@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Karolina Stolarek
2023-08-08 11:51:12 +02:00
committed by Christian König
parent 79cdc56c4a
commit e3912d09bf
7 changed files with 212 additions and 0 deletions
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37
drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.h Normal file
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@@ -0,0 +1,37 @@
/* SPDX-License-Identifier: GPL-2.0 AND MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef TTM_KUNIT_HELPERS_H
#define TTM_KUNIT_HELPERS_H
#include <drm/drm_drv.h>
#include <drm/ttm/ttm_device.h>
#include <drm/drm_kunit_helpers.h>
#include <kunit/test.h>
extern struct ttm_device_funcs ttm_dev_funcs;
struct ttm_test_devices {
struct drm_device *drm;
struct device *dev;
struct ttm_device *ttm_dev;
};
/* Building blocks for test-specific init functions */
int ttm_device_kunit_init(struct ttm_test_devices *priv,
struct ttm_device *ttm,
bool use_dma_alloc,
bool use_dma32);
struct ttm_test_devices *ttm_test_devices_basic(struct kunit *test);
struct ttm_test_devices *ttm_test_devices_all(struct kunit *test);
void ttm_test_devices_put(struct kunit *test, struct ttm_test_devices *devs);
/* Generic init/fini for tests that only need DRM/TTM devices */
int ttm_test_devices_init(struct kunit *test);
void ttm_test_devices_fini(struct kunit *test);
#endif // TTM_KUNIT_HELPERS_H