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

Co-developed-by: Carlos Veras <carlos.crave...@usp.br>
Signed-off-by: Carlos Veras <carlos.crave...@usp.br>
Co-developed-by: Matheus Vieira <matheus.vieir...@usp.br>
Signed-off-by: Matheus Vieira <matheus.vieir...@usp.br>
Tested-by: David Gow <david...@google.com>
Acked-by: Daniel Latypov <dlaty...@google.com>
Reviewed-by: Javier Martinez Canillas <javi...@redhat.com>
Signed-off-by: Maíra Canal <maira.ca...@usp.br>
---
 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                |   2 +-
 .../test-drm_rect.c => tests/drm_rect_test.c} | 125 ++++++++++--------
 5 files changed, 69 insertions(+), 68 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 b3e73d674c67..f2eced30a955 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_DRM_KUNIT_TEST) += drm_format_helper_test.o 
drm_damage_helper_test.o \
-       drm_cmdline_parser_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..66f11b63e06b 100644
--- a/drivers/gpu/drm/selftests/test-drm_rect.c
+++ b/drivers/gpu/drm/tests/drm_rect_test.c
@@ -1,17 +1,15 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Test cases for the drm_rect functions
+ *
+ * Copyright (c) 2022 Maíra Canal <mairaca...@riseup.net>
  */
 
-#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 +22,20 @@ 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 +47,14 @@ 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 +63,14 @@ 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 +79,17 @@ 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 +101,14 @@ 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 +117,14 @@ 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 +133,14 @@ 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 +149,14 @@ 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 +165,14 @@ 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 +181,17 @@ 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 +210,23 @@ 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

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