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Date:   Tue, 30 Aug 2022 18:16:02 -0300
From:   Maíra Canal <mairacanal@...eup.net>
To:     Isabella Basso <isabbasso@...eup.net>, magalilemes00@...il.com,
        tales.aparecida@...il.com, mwen@...lia.com, andrealmeid@...eup.net,
        siqueirajordao@...eup.net, Trevor Woerner <twoerner@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Javier Martinez Canillas <javierm@...hat.com>,
        David Gow <davidgow@...gle.com>, brendanhiggins@...gle.com,
        Arthur Grillo <arthur.grillo@....br>,
        michal.winiarski@...el.com,
        José Expósito <jose.exposito89@...il.com>
Cc:     kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Maíra Canal <mairacanal@...eup.net>
Subject: [PATCH 1/2] drm/tests: Split drm_framebuffer_create_test into parameterized tests

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 test into parameterized tests.

Signed-off-by: Maíra Canal <mairacanal@...eup.net>
---
 drivers/gpu/drm/tests/drm_framebuffer_test.c | 23 +++++++++-----------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c
index ec7a08ba4056..3e46fd9f6615 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 },
@@ -340,28 +340,25 @@ static struct drm_device mock_drm_device = {
 	},
 };
 
-static int execute_drm_mode_fb_cmd2(struct drm_mode_fb_cmd2 *r)
+static void drm_framebuffer_create_test(struct kunit *test)
 {
+	const struct drm_framebuffer_test *params = test->param_value;
 	int buffer_created = 0;
 
 	mock_drm_device.dev_private = &buffer_created;
-	drm_internal_framebuffer_create(&mock_drm_device, r, NULL);
-	return buffer_created;
+	drm_internal_framebuffer_create(&mock_drm_device, &params->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_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_to_desc);
+
 static struct kunit_case drm_framebuffer_tests[] = {
-	KUNIT_CASE(igt_check_drm_framebuffer_create),
+	KUNIT_CASE_PARAM(drm_framebuffer_create_test, drm_framebuffer_create_gen_params),
 	{ }
 };
 
-- 
2.37.2

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