The igt_check_drm_framebuffer_create is based on a loop that executes tests for all createbuffer_tests test cases. This could be better represented by parameterized tests, provided by KUnit. So, convert the igt_check_drm_framebuffer_create into parameterized tests. Signed-off-by: Maíra Canal <mairacanal@xxxxxxxxxx> Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> Reviewed-by: David Gow <davidgow@xxxxxxxxxx> --- v1 -> v2: https://lore.kernel.org/dri-devel/20220830211603.191734-1-mairacanal@xxxxxxxxxx/ - Use .init for mock_drm_device instead of a global variable. (Michał Winiarski) - Add Michał's Reviewed-by tag. v2 -> v3: https://lore.kernel.org/dri-devel/20220901124210.591994-1-mairacanal@xxxxxxxxxx/ - Add David's Reviewed-by tag. v3 -> v4: https://lore.kernel.org/dri-devel/20220907200247.89679-1-mairacanal@xxxxxxxxxx/ - No changes. v4 -> v5: https://lore.kernel.org/dri-devel/202209110709.ZO1yJeyE-lkp@xxxxxxxxx/T/#mac65eb9447b57f1ebbe7cc516f38c11c7a076295 - Reduce stack usage on drm_framebuffer_test_init (kernel test bot). --- drivers/gpu/drm/tests/drm_framebuffer_test.c | 53 +++++++++++--------- 1 file changed, 30 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index ec7a08ba4056..df235b7fdaa5 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -25,7 +25,7 @@ struct drm_framebuffer_test { const char *name; }; -static struct drm_framebuffer_test createbuffer_tests[] = { +static const struct drm_framebuffer_test drm_framebuffer_create_cases[] = { { .buffer_created = 1, .name = "ABGR8888 normal sizes", .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_ABGR8888, .handles = { 1, 0, 0 }, .pitches = { 4 * 600, 0, 0 }, @@ -330,43 +330,50 @@ static struct drm_mode_config_funcs mock_config_funcs = { .fb_create = fb_create_mock, }; -static struct drm_device mock_drm_device = { - .mode_config = { - .min_width = MIN_WIDTH, - .max_width = MAX_WIDTH, - .min_height = MIN_HEIGHT, - .max_height = MAX_HEIGHT, - .funcs = &mock_config_funcs, - }, -}; +static int drm_framebuffer_test_init(struct kunit *test) +{ + struct drm_device *mock; + + mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, mock); -static int execute_drm_mode_fb_cmd2(struct drm_mode_fb_cmd2 *r) + mock->mode_config.min_width = MIN_WIDTH; + mock->mode_config.max_width = MAX_WIDTH; + mock->mode_config.min_height = MIN_HEIGHT; + mock->mode_config.max_height = MAX_HEIGHT; + mock->mode_config.funcs = &mock_config_funcs; + + test->priv = mock; + return 0; +} + +static void drm_test_framebuffer_create(struct kunit *test) { + const struct drm_framebuffer_test *params = test->param_value; + struct drm_device *mock = test->priv; int buffer_created = 0; - mock_drm_device.dev_private = &buffer_created; - drm_internal_framebuffer_create(&mock_drm_device, r, NULL); - return buffer_created; + mock->dev_private = &buffer_created; + drm_internal_framebuffer_create(mock, ¶ms->cmd, NULL); + KUNIT_EXPECT_EQ(test, params->buffer_created, buffer_created); } -static void igt_check_drm_framebuffer_create(struct kunit *test) +static void drm_framebuffer_test_to_desc(const struct drm_framebuffer_test *t, char *desc) { - int i = 0; - - for (i = 0; i < ARRAY_SIZE(createbuffer_tests); i++) { - KUNIT_EXPECT_EQ_MSG(test, createbuffer_tests[i].buffer_created, - execute_drm_mode_fb_cmd2(&createbuffer_tests[i].cmd), - "Test %d: \"%s\" failed\n", i, createbuffer_tests[i].name); - } + strcpy(desc, t->name); } +KUNIT_ARRAY_PARAM(drm_framebuffer_create, drm_framebuffer_create_cases, + drm_framebuffer_test_to_desc); + static struct kunit_case drm_framebuffer_tests[] = { - KUNIT_CASE(igt_check_drm_framebuffer_create), + KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params), { } }; static struct kunit_suite drm_framebuffer_test_suite = { .name = "drm_framebuffer", + .init = drm_framebuffer_test_init, .test_cases = drm_framebuffer_tests, }; -- 2.37.3
