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Date: Wed, 15 Jun 2022 10:58:22 -0300
From: Maíra Canal <maira.canal@....br>
To: Isabella Basso <isabbasso@...eup.net>, magalilemes00@...il.com,
tales.aparecida@...il.com, mwen@...lia.com, andrealmeid@...eup.net,
Trevor Woerner <twoerner@...il.com>,
leandro.ribeiro@...labora.com, n@...aprado.net,
Daniel Vetter <daniel@...ll.ch>,
Shuah Khan <skhan@...uxfoundation.org>,
David Airlie <airlied@...ux.ie>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
michal.winiarski@...el.com,
Javier Martinez Canillas <javierm@...hat.com>,
José Expósito <jose.exposito89@...il.com>,
David Gow <davidgow@...gle.com>,
Daniel Latypov <dlatypov@...gle.com>, brendanhiggins@...gle.com
Cc: dri-devel@...ts.freedesktop.org, linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com,
Maíra Canal <maira.canal@....br>
Subject: [PATCH 08/10] drm: selftest: convert drm_framebuffer selftest to KUnit
Considering the current adoption of the KUnit framework, convert the
DRM framebuffer selftest to the KUnit API.
Signed-off-by: Maíra Canal <maira.canal@....br>
---
drivers/gpu/drm/selftests/Makefile | 5 +--
.../gpu/drm/selftests/drm_modeset_selftests.h | 9 ------
.../drm/selftests/test-drm_modeset_common.c | 32 -------------------
.../drm/selftests/test-drm_modeset_common.h | 21 ------------
drivers/gpu/drm/tests/Kconfig | 12 +++++++
drivers/gpu/drm/tests/Makefile | 1 +
.../test-drm_framebuffer.c | 25 ++++++++++-----
7 files changed, 31 insertions(+), 74 deletions(-)
delete mode 100644 drivers/gpu/drm/selftests/drm_modeset_selftests.h
delete mode 100644 drivers/gpu/drm/selftests/test-drm_modeset_common.c
delete mode 100644 drivers/gpu/drm/selftests/test-drm_modeset_common.h
rename drivers/gpu/drm/{selftests => tests}/test-drm_framebuffer.c (96%)
diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile
index 1539f55db9a7..f7db628b60cb 100644
--- a/drivers/gpu/drm/selftests/Makefile
+++ b/drivers/gpu/drm/selftests/Makefile
@@ -1,5 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
-test-drm_modeset-y := test-drm_modeset_common.o test-drm_framebuffer.o
-
-obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o \
- test-drm_buddy.o
+obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_buddy.o
diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
deleted file mode 100644
index 40a29b8cf386..000000000000
--- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* List each unit test as selftest(name, function)
- *
- * The name is used as both an enum and expanded as igt__name to create
- * a module parameter. It must be unique and legal for a C identifier.
- *
- * Tests are executed in order by igt/drm_selftests_helper
- */
-selftest(check_drm_framebuffer_create, igt_check_drm_framebuffer_create)
diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.c b/drivers/gpu/drm/selftests/test-drm_modeset_common.c
deleted file mode 100644
index 2a7f93774006..000000000000
--- a/drivers/gpu/drm/selftests/test-drm_modeset_common.c
+++ /dev/null
@@ -1,32 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Common file for modeset selftests.
- */
-
-#include <linux/module.h>
-
-#include "test-drm_modeset_common.h"
-
-#define TESTS "drm_modeset_selftests.h"
-#include "drm_selftest.h"
-
-#include "drm_selftest.c"
-
-static int __init test_drm_modeset_init(void)
-{
- int err;
-
- err = run_selftests(selftests, ARRAY_SIZE(selftests), NULL);
-
- return err > 0 ? 0 : err;
-}
-
-static void __exit test_drm_modeset_exit(void)
-{
-}
-
-module_init(test_drm_modeset_init);
-module_exit(test_drm_modeset_exit);
-
-MODULE_AUTHOR("Intel Corporation");
-MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
deleted file mode 100644
index 3feb2fea1a6b..000000000000
--- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#ifndef __TEST_DRM_MODESET_COMMON_H__
-#define __TEST_DRM_MODESET_COMMON_H__
-
-#include <linux/errno.h>
-#include <linux/printk.h>
-
-#define FAIL(test, msg, ...) \
- do { \
- if (test) { \
- pr_err("%s/%u: " msg, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
- return -EINVAL; \
- } \
- } while (0)
-
-#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
-
-int igt_check_drm_framebuffer_create(void *ignored);
-
-#endif
diff --git a/drivers/gpu/drm/tests/Kconfig b/drivers/gpu/drm/tests/Kconfig
index eea0783f981d..de44385f217e 100644
--- a/drivers/gpu/drm/tests/Kconfig
+++ b/drivers/gpu/drm/tests/Kconfig
@@ -86,4 +86,16 @@ config DRM_DP_MST_HELPER_KUNIT_TEST
If in doubt, say "N".
+config DRM_FRAMEBUFFER_KUNIT_TEST
+ tristate "KUnit tests for DRM framebuffer" if !DRM_KUNIT_TEST
+ select DRM_KMS_HELPER
+ default y if DRM_KUNIT_TEST
+ help
+ This option provides KUnit modules that can be used to run
+ various selftests on parts of the DRM framebuffer API. This
+ option is not useful for distributions or general kernels, but only
+ for kernel developers working on DRM and associated drivers.
+
+ If in doubt, say "N".
+
endmenu
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index 735ca8e4c446..d802ca0f1544 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_DRM_RECT_KUNIT_TEST) += test-drm_rect.o
obj-$(CONFIG_DRM_FORMAT_KUNIT_TEST) += test-drm_format.o
obj-$(CONFIG_DRM_PLANE_HELPER_KUNIT_TEST) += test-drm_plane_helper.o
obj-$(CONFIG_DRM_DP_MST_HELPER_KUNIT_TEST) += test-drm_dp_mst_helper.o
+obj-$(CONFIG_DRM_FRAMEBUFFER_KUNIT_TEST) += test-drm_framebuffer.o
diff --git a/drivers/gpu/drm/selftests/test-drm_framebuffer.c b/drivers/gpu/drm/tests/test-drm_framebuffer.c
similarity index 96%
rename from drivers/gpu/drm/selftests/test-drm_framebuffer.c
rename to drivers/gpu/drm/tests/test-drm_framebuffer.c
index f6d66285c5fc..753e161ad57f 100644
--- a/drivers/gpu/drm/selftests/test-drm_framebuffer.c
+++ b/drivers/gpu/drm/tests/test-drm_framebuffer.c
@@ -3,8 +3,7 @@
* Test cases for the drm_framebuffer functions
*/
-#include <linux/kernel.h>
-
+#include <kunit/test.h>
#include <drm/drm_device.h>
#include <drm/drm_mode.h>
#include <drm/drm_fourcc.h>
@@ -12,8 +11,6 @@
#include "../drm_crtc_internal.h"
-#include "test-drm_modeset_common.h"
-
#define MIN_WIDTH 4
#define MAX_WIDTH 4096
#define MIN_HEIGHT 4
@@ -336,15 +333,27 @@ static int execute_drm_mode_fb_cmd2(struct drm_mode_fb_cmd2 *r)
return buffer_created;
}
-int igt_check_drm_framebuffer_create(void *ignored)
+static void igt_check_drm_framebuffer_create(struct kunit *test)
{
int i = 0;
for (i = 0; i < ARRAY_SIZE(createbuffer_tests); i++) {
- FAIL(createbuffer_tests[i].buffer_created !=
+ 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);
}
-
- return 0;
}
+
+static struct kunit_case drm_framebuffer_tests[] = {
+ KUNIT_CASE(igt_check_drm_framebuffer_create),
+ { }
+};
+
+static struct kunit_suite drm_framebuffer_test_suite = {
+ .name = "drm_framebuffer_tests",
+ .test_cases = drm_framebuffer_tests,
+};
+
+kunit_test_suite(drm_framebuffer_test_suite);
+
+MODULE_LICENSE("GPL");
--
2.36.1
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