[PATCH 04/10] drm: selftest: convert drm_rect selftest to KUnit
From: Maíra Canal
Date: Wed Jun 15 2022 - 09:59:50 EST
Considering the current adoption of the KUnit framework, convert the
DRM rect selftest to the KUnit API.
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/Kconfig | 12 ++
drivers/gpu/drm/tests/Makefile | 1 +
.../drm/{selftests => tests}/test-drm_rect.c | 124 +++++++++---------
6 files changed, 79 insertions(+), 68 deletions(-)
rename drivers/gpu/drm/{selftests => tests}/test-drm_rect.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/Kconfig b/drivers/gpu/drm/tests/Kconfig
index 14ee077cca54..bab6bf363363 100644
--- a/drivers/gpu/drm/tests/Kconfig
+++ b/drivers/gpu/drm/tests/Kconfig
@@ -37,4 +37,16 @@ config DRM_CMDLINE_PARSER_KUNIT_TEST
If in doubt, say "N".
+config DRM_RECT_KUNIT_TEST
+ tristate "KUnit tests for DRM rect" if !DRM_KUNIT_TEST
+ select DRM_KMS_HELPER
+ default y if DRM_KUNIT_TEST
+ help
+ This option provides a KUnit module that can be used to run
+ an unit test on the DRM rect 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 3ded14858e8c..d03e28724d47 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_DAMAGE_HELPER_KUNIT_TEST) += test-drm_damage_helper.o
obj-$(CONFIG_DRM_CMDLINE_PARSER_KUNIT_TEST) += test-drm_cmdline_parser.o
+obj-$(CONFIG_DRM_RECT_KUNIT_TEST) += test-drm_rect.o
diff --git a/drivers/gpu/drm/selftests/test-drm_rect.c b/drivers/gpu/drm/tests/test-drm_rect.c
similarity index 53%
rename from drivers/gpu/drm/selftests/test-drm_rect.c
rename to drivers/gpu/drm/tests/test-drm_rect.c
index 3a5ff38321f4..94336412d32d 100644
--- a/drivers/gpu/drm/selftests/test-drm_rect.c
+++ b/drivers/gpu/drm/tests/test-drm_rect.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_tests",
+ .test_cases = drm_rect_tests,
+};
+
+kunit_test_suite(drm_rect_test_suite);
+
+MODULE_LICENSE("GPL");
--
2.36.1