[PATCH v2 3/9] drm: selftest: convert drm_rect selftest to KUnit

From: Maíra Canal
Date: Tue Jun 21 2022 - 16:10:46 EST


Considering the current adoption of the KUnit framework, convert the
DRM rect selftest to the KUnit API.

Tested-by: David Gow <davidgow@xxxxxxxxxx>
Co-developed-by: Carlos Veras <carlos.craveiro@xxxxxx>
Signed-off-by: Carlos Veras <carlos.craveiro@xxxxxx>
Co-developed-by: Matheus Vieira <matheus.vieira.g@xxxxxx>
Signed-off-by: Matheus Vieira <matheus.vieira.g@xxxxxx>
Signed-off-by: Maíra Canal <maira.canal@xxxxxx>
---
drivers/gpu/drm/selftests/Makefile | 2 +-
.../gpu/drm/selftests/drm_modeset_selftests.h | 4 -
.../drm/selftests/test-drm_modeset_common.h | 4 -
drivers/gpu/drm/tests/Makefile | 3 +-
.../test-drm_rect.c => tests/drm_rect_test.c} | 124 +++++++++---------
5 files changed, 68 insertions(+), 69 deletions(-)
rename drivers/gpu/drm/{selftests/test-drm_rect.c => tests/drm_rect_test.c} (53%)

diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile
index 8633bb9ea717..8a794914e328 100644
--- a/drivers/gpu/drm/selftests/Makefile
+++ b/drivers/gpu/drm/selftests/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o \
test-drm_format.o test-drm_framebuffer.o \
- test-drm_dp_mst_helper.o test-drm_rect.o
+ test-drm_dp_mst_helper.o

obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.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
index 4787b3b70709..a3ca90307364 100644
--- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h
+++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
@@ -6,10 +6,6 @@
*
* Tests are executed in order by igt/drm_selftests_helper
*/
-selftest(drm_rect_clip_scaled_div_by_zero, igt_drm_rect_clip_scaled_div_by_zero)
-selftest(drm_rect_clip_scaled_not_clipped, igt_drm_rect_clip_scaled_not_clipped)
-selftest(drm_rect_clip_scaled_clipped, igt_drm_rect_clip_scaled_clipped)
-selftest(drm_rect_clip_scaled_signed_vs_unsigned, igt_drm_rect_clip_scaled_signed_vs_unsigned)
selftest(check_plane_state, igt_check_plane_state)
selftest(check_drm_format_block_width, igt_check_drm_format_block_width)
selftest(check_drm_format_block_height, igt_check_drm_format_block_height)
diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
index c29354e59cec..42a10d7da51c 100644
--- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h
+++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
@@ -16,10 +16,6 @@

#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")

-int igt_drm_rect_clip_scaled_div_by_zero(void *ignored);
-int igt_drm_rect_clip_scaled_not_clipped(void *ignored);
-int igt_drm_rect_clip_scaled_clipped(void *ignored);
-int igt_drm_rect_clip_scaled_signed_vs_unsigned(void *ignored);
int igt_check_plane_state(void *ignored);
int igt_check_drm_format_block_width(void *ignored);
int igt_check_drm_format_block_height(void *ignored);
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index f9929ac10765..d413fbe6d710 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only

-obj-$(CONFIG_DRM_KUNIT_TEST) += drm_damage_helper_test.o drm_cmdline_parser_test.o
+obj-$(CONFIG_DRM_KUNIT_TEST) += drm_damage_helper_test.o drm_cmdline_parser_test.o \
+ drm_rect_test.o
diff --git a/drivers/gpu/drm/selftests/test-drm_rect.c b/drivers/gpu/drm/tests/drm_rect_test.c
similarity index 53%
rename from drivers/gpu/drm/selftests/test-drm_rect.c
rename to drivers/gpu/drm/tests/drm_rect_test.c
index 3a5ff38321f4..314dab502e7e 100644
--- a/drivers/gpu/drm/selftests/test-drm_rect.c
+++ b/drivers/gpu/drm/tests/drm_rect_test.c
@@ -3,15 +3,10 @@
* Test cases for the drm_rect functions
*/

-#define pr_fmt(fmt) "drm_rect: " fmt
-
-#include <linux/limits.h>
-
+#include <kunit/test.h>
#include <drm/drm_rect.h>

-#include "test-drm_modeset_common.h"
-
-int igt_drm_rect_clip_scaled_div_by_zero(void *ignored)
+static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
{
struct drm_rect src, dst, clip;
bool visible;
@@ -24,20 +19,20 @@ int igt_drm_rect_clip_scaled_div_by_zero(void *ignored)
drm_rect_init(&dst, 0, 0, 0, 0);
drm_rect_init(&clip, 1, 1, 1, 1);
visible = drm_rect_clip_scaled(&src, &dst, &clip);
- FAIL(visible, "Destination not be visible\n");
- FAIL(drm_rect_visible(&src), "Source should not be visible\n");
+
+ KUNIT_EXPECT_FALSE_MSG(test, visible, "Destination not be visible\n");
+ KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");

drm_rect_init(&src, 0, 0, 0, 0);
drm_rect_init(&dst, 3, 3, 0, 0);
drm_rect_init(&clip, 1, 1, 1, 1);
visible = drm_rect_clip_scaled(&src, &dst, &clip);
- FAIL(visible, "Destination not be visible\n");
- FAIL(drm_rect_visible(&src), "Source should not be visible\n");

- return 0;
+ KUNIT_EXPECT_FALSE_MSG(test, visible, "Destination not be visible\n");
+ KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
}

-int igt_drm_rect_clip_scaled_not_clipped(void *ignored)
+static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
{
struct drm_rect src, dst, clip;
bool visible;
@@ -49,14 +44,14 @@ int igt_drm_rect_clip_scaled_not_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 1 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||
src.y1 != 0 || src.y2 != 1 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 1 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||
dst.y1 != 0 || dst.y2 != 1,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 2:1 scaling */
drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);
@@ -65,14 +60,14 @@ int igt_drm_rect_clip_scaled_not_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 2 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 2 << 16 ||
src.y1 != 0 || src.y2 != 2 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 1 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||
dst.y1 != 0 || dst.y2 != 1,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 1:2 scaling */
drm_rect_init(&src, 0, 0, 1 << 16, 1 << 16);
@@ -81,19 +76,17 @@ int igt_drm_rect_clip_scaled_not_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 1 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||
src.y1 != 0 || src.y2 != 1 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 2 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 2 ||
dst.y1 != 0 || dst.y2 != 2,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
-
- return 0;
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
}

-int igt_drm_rect_clip_scaled_clipped(void *ignored)
+static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
{
struct drm_rect src, dst, clip;
bool visible;
@@ -105,14 +98,14 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 1 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||
src.y1 != 0 || src.y2 != 1 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 1 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||
dst.y1 != 0 || dst.y2 != 1,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 1:1 scaling bottom/right clip */
drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);
@@ -121,14 +114,14 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 1 << 16 || src.x2 != 2 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 1 << 16 || src.x2 != 2 << 16 ||
src.y1 != 1 << 16 || src.y2 != 2 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 1 || dst.x2 != 2 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 1 || dst.x2 != 2 ||
dst.y1 != 1 || dst.y2 != 2,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 2:1 scaling top/left clip */
drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16);
@@ -137,14 +130,14 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 2 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 2 << 16 ||
src.y1 != 0 || src.y2 != 2 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 1 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||
dst.y1 != 0 || dst.y2 != 1,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 2:1 scaling bottom/right clip */
drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16);
@@ -153,14 +146,14 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 2 << 16 || src.x2 != 4 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 2 << 16 || src.x2 != 4 << 16 ||
src.y1 != 2 << 16 || src.y2 != 4 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 1 || dst.x2 != 2 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 1 || dst.x2 != 2 ||
dst.y1 != 1 || dst.y2 != 2,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 1:2 scaling top/left clip */
drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);
@@ -169,14 +162,14 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 0 || src.x2 != 1 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||
src.y1 != 0 || src.y2 != 1 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 0 || dst.x2 != 2 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 2 ||
dst.y1 != 0 || dst.y2 != 2,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");

/* 1:2 scaling bottom/right clip */
drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);
@@ -185,19 +178,17 @@ int igt_drm_rect_clip_scaled_clipped(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(src.x1 != 1 << 16 || src.x2 != 2 << 16 ||
+ KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 1 << 16 || src.x2 != 2 << 16 ||
src.y1 != 1 << 16 || src.y2 != 2 << 16,
"Source badly clipped\n");
- FAIL(dst.x1 != 2 || dst.x2 != 4 ||
+ KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 2 || dst.x2 != 4 ||
dst.y1 != 2 || dst.y2 != 4,
"Destination badly clipped\n");
- FAIL(!visible, "Destination should be visible\n");
- FAIL(!drm_rect_visible(&src), "Source should be visible\n");
-
- return 0;
+ KUNIT_EXPECT_TRUE_MSG(test, visible, "Destination should be visible\n");
+ KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
}

-int igt_drm_rect_clip_scaled_signed_vs_unsigned(void *ignored)
+static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
{
struct drm_rect src, dst, clip;
bool visible;
@@ -216,8 +207,23 @@ int igt_drm_rect_clip_scaled_signed_vs_unsigned(void *ignored)

visible = drm_rect_clip_scaled(&src, &dst, &clip);

- FAIL(visible, "Destination should not be visible\n");
- FAIL(drm_rect_visible(&src), "Source should not be visible\n");
-
- return 0;
+ KUNIT_EXPECT_FALSE_MSG(test, visible, "Destination should not be visible\n");
+ KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
}
+
+static struct kunit_case drm_rect_tests[] = {
+ KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
+ KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
+ KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
+ KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
+ { }
+};
+
+static struct kunit_suite drm_rect_test_suite = {
+ .name = "drm_rect",
+ .test_cases = drm_rect_tests,
+};
+
+kunit_test_suite(drm_rect_test_suite);
+
+MODULE_LICENSE("GPL");
--
2.36.1