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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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54
drivers/gpu/drm/ttm/tests/ttm_device_test.c Normal file
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@@ -0,0 +1,54 @@
// SPDX-License-Identifier: GPL-2.0 AND MIT
/*
* Copyright © 2023 Intel Corporation
*/
#include <drm/ttm/ttm_resource.h>
#include <drm/ttm/ttm_device.h>
#include <drm/ttm/ttm_placement.h>
#include "ttm_kunit_helpers.h"
static void ttm_device_init_basic(struct kunit *test)
{
struct ttm_test_devices *priv = test->priv;
struct ttm_device *ttm_dev;
struct ttm_resource_manager *ttm_sys_man;
int err;
ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
err = ttm_device_kunit_init(priv, ttm_dev, false, false);
KUNIT_ASSERT_EQ(test, err, 0);
KUNIT_EXPECT_PTR_EQ(test, ttm_dev->funcs, &ttm_dev_funcs);
KUNIT_ASSERT_NOT_NULL(test, ttm_dev->wq);
KUNIT_ASSERT_NOT_NULL(test, ttm_dev->man_drv[TTM_PL_SYSTEM]);
ttm_sys_man = &ttm_dev->sysman;
KUNIT_ASSERT_NOT_NULL(test, ttm_sys_man);
KUNIT_EXPECT_TRUE(test, ttm_sys_man->use_tt);
KUNIT_EXPECT_TRUE(test, ttm_sys_man->use_type);
KUNIT_ASSERT_NOT_NULL(test, ttm_sys_man->func);
KUNIT_EXPECT_PTR_EQ(test, ttm_dev->dev_mapping,
priv->drm->anon_inode->i_mapping);
ttm_device_fini(ttm_dev);
}
static struct kunit_case ttm_device_test_cases[] = {
KUNIT_CASE(ttm_device_init_basic),
{}
};
static struct kunit_suite ttm_device_test_suite = {
.name = "ttm_device",
.init = ttm_test_devices_init,
.exit = ttm_test_devices_fini,
.test_cases = ttm_device_test_cases,
};
kunit_test_suites(&ttm_device_test_suite);
MODULE_LICENSE("GPL");