From: Maíra Canal <maira.canal@xxxxxx> Considering the current adoption of the KUnit framework, convert the DRM damage helper selftest to the KUnit API. Co-developed-by: Arthur Grillo <arthur.grillo@xxxxxx> Signed-off-by: Arthur Grillo <arthur.grillo@xxxxxx> Signed-off-by: Maíra Canal <maira.canal@xxxxxx> Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx> --- drivers/gpu/drm/Kconfig | 13 ++ drivers/gpu/drm/Makefile | 2 +- drivers/gpu/drm/selftests/Makefile | 5 +- .../gpu/drm/selftests/drm_modeset_selftests.h | 21 -- .../drm/selftests/test-drm_damage_helper.c | 215 +++++++++--------- 5 files changed, 127 insertions(+), 129 deletions(-) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index cea777ae7fb9..56f6ca74ebb6 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -79,6 +79,19 @@ config DRM_DEBUG_SELFTEST If in doubt, say "N". +config DRM_DAMAGE_HELPER_KUNIT_TEST + tristate "KUnit tests for DRM damage helper" + depends on DRM && KUNIT + select DRM_KMS_HELPER + default KUNIT_ALL_TESTS + help + This option provides a KUnit module that can be used to run + an unit test on the DRM damage helper 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". + config DRM_KMS_HELPER tristate depends on DRM diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index ad1112154898..e632c43c9b7d 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -58,7 +58,7 @@ drm_kms_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o drm_kms_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o -obj-$(CONFIG_DRM_DEBUG_SELFTEST) += selftests/ +obj-y += selftests/ obj-$(CONFIG_DRM) += drm.o obj-$(CONFIG_DRM_MIPI_DBI) += drm_mipi_dbi.o diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index 0856e4b12f70..311f6af2caf1 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -1,7 +1,8 @@ # 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_damage_helper.o test-drm_dp_mst_helper.o \ - test-drm_rect.o + test-drm_dp_mst_helper.o test-drm_rect.o obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o test-drm_cmdline_parser.o + +obj-$(CONFIG_DRM_DAMAGE_HELPER_KUNIT_TEST) += test-drm_damage_helper.o diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h index 782e285ca383..4787b3b70709 100644 --- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h +++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h @@ -15,26 +15,5 @@ selftest(check_drm_format_block_width, igt_check_drm_format_block_width) selftest(check_drm_format_block_height, igt_check_drm_format_block_height) selftest(check_drm_format_min_pitch, igt_check_drm_format_min_pitch) selftest(check_drm_framebuffer_create, igt_check_drm_framebuffer_create) -selftest(damage_iter_no_damage, igt_damage_iter_no_damage) -selftest(damage_iter_no_damage_fractional_src, igt_damage_iter_no_damage_fractional_src) -selftest(damage_iter_no_damage_src_moved, igt_damage_iter_no_damage_src_moved) -selftest(damage_iter_no_damage_fractional_src_moved, igt_damage_iter_no_damage_fractional_src_moved) -selftest(damage_iter_no_damage_not_visible, igt_damage_iter_no_damage_not_visible) -selftest(damage_iter_no_damage_no_crtc, igt_damage_iter_no_damage_no_crtc) -selftest(damage_iter_no_damage_no_fb, igt_damage_iter_no_damage_no_fb) -selftest(damage_iter_simple_damage, igt_damage_iter_simple_damage) -selftest(damage_iter_single_damage, igt_damage_iter_single_damage) -selftest(damage_iter_single_damage_intersect_src, igt_damage_iter_single_damage_intersect_src) -selftest(damage_iter_single_damage_outside_src, igt_damage_iter_single_damage_outside_src) -selftest(damage_iter_single_damage_fractional_src, igt_damage_iter_single_damage_fractional_src) -selftest(damage_iter_single_damage_intersect_fractional_src, igt_damage_iter_single_damage_intersect_fractional_src) -selftest(damage_iter_single_damage_outside_fractional_src, igt_damage_iter_single_damage_outside_fractional_src) -selftest(damage_iter_single_damage_src_moved, igt_damage_iter_single_damage_src_moved) -selftest(damage_iter_single_damage_fractional_src_moved, igt_damage_iter_single_damage_fractional_src_moved) -selftest(damage_iter_damage, igt_damage_iter_damage) -selftest(damage_iter_damage_one_intersect, igt_damage_iter_damage_one_intersect) -selftest(damage_iter_damage_one_outside, igt_damage_iter_damage_one_outside) -selftest(damage_iter_damage_src_moved, igt_damage_iter_damage_src_moved) -selftest(damage_iter_damage_not_visible, igt_damage_iter_damage_not_visible) selftest(dp_mst_calc_pbn_mode, igt_dp_mst_calc_pbn_mode) selftest(dp_mst_sideband_msg_req_decode, igt_dp_mst_sideband_msg_req_decode) diff --git a/drivers/gpu/drm/selftests/test-drm_damage_helper.c b/drivers/gpu/drm/selftests/test-drm_damage_helper.c index 1c19a5d3eefb..83905661d41e 100644 --- a/drivers/gpu/drm/selftests/test-drm_damage_helper.c +++ b/drivers/gpu/drm/selftests/test-drm_damage_helper.c @@ -3,14 +3,11 @@ * Test case for drm_damage_helper functions */ -#define pr_fmt(fmt) "drm_damage_helper: " fmt - +#include <kunit/test.h> #include <drm/drm_damage_helper.h> #include <drm/drm_plane.h> #include <drm/drm_drv.h> -#include "test-drm_modeset_common.h" - struct drm_driver mock_driver; static struct drm_device mock_device; static struct drm_object_properties mock_obj_props; @@ -114,7 +111,7 @@ const struct drm_framebuffer fb = { mock_setup(&old_state); \ mock_setup(&state); -int igt_damage_iter_no_damage(void *ignored) +static void igt_damage_iter_no_damage(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -129,13 +126,12 @@ int igt_damage_iter_no_damage(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 2048, 2048)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 0, 0, 2048, 2048)); } -int igt_damage_iter_no_damage_fractional_src(void *ignored) +static void igt_damage_iter_no_damage_fractional_src(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -152,13 +148,12 @@ int igt_damage_iter_no_damage_fractional_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return rounded off plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 3, 3, 1028, 772)); } -int igt_damage_iter_no_damage_src_moved(void *ignored) +static void igt_damage_iter_no_damage_src_moved(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -174,13 +169,12 @@ int igt_damage_iter_no_damage_src_moved(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 10, 10, 1034, 778)); } -int igt_damage_iter_no_damage_fractional_src_moved(void *ignored) +static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -197,13 +191,11 @@ int igt_damage_iter_no_damage_fractional_src_moved(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, check_damage_clip(&state, &clip, 4, 4, 1029, 773)); } -int igt_damage_iter_no_damage_not_visible(void *ignored) +static void igt_damage_iter_no_damage_not_visible(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -221,12 +213,10 @@ int igt_damage_iter_no_damage_not_visible(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should have no damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } -int igt_damage_iter_no_damage_no_crtc(void *ignored) +static void igt_damage_iter_no_damage_no_crtc(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_rect clip; @@ -242,12 +232,10 @@ int igt_damage_iter_no_damage_no_crtc(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should have no damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } -int igt_damage_iter_no_damage_no_fb(void *ignored) +static void igt_damage_iter_no_damage_no_fb(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_plane_state old_state; @@ -267,12 +255,10 @@ int igt_damage_iter_no_damage_no_fb(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should have no damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } -int igt_damage_iter_simple_damage(void *ignored) +static void igt_damage_iter_simple_damage(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -292,13 +278,11 @@ int igt_damage_iter_simple_damage(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage when set."); - FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 1024, 768)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, check_damage_clip(&state, &clip, 0, 0, 1024, 768)); } -int igt_damage_iter_single_damage(void *ignored) +static void igt_damage_iter_single_damage(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -317,13 +301,12 @@ int igt_damage_iter_single_damage(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage when set."); - FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 768, 576)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 256, 192, 768, 576)); } -int igt_damage_iter_single_damage_intersect_src(void *ignored) +static void igt_damage_iter_single_damage_intersect_src(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -343,13 +326,12 @@ int igt_damage_iter_single_damage_intersect_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage clipped to src."); - FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 1024, 768)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 256, 192, 1024, 768)); } -int igt_damage_iter_single_damage_outside_src(void *ignored) +static void igt_damage_iter_single_damage_outside_src(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -369,12 +351,10 @@ int igt_damage_iter_single_damage_outside_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should have no damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } -int igt_damage_iter_single_damage_fractional_src(void *ignored) +static void igt_damage_iter_single_damage_fractional_src(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -396,13 +376,13 @@ int igt_damage_iter_single_damage_fractional_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage when set."); - FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 256, 330)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 10, 10, 256, 330)); } -int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored) +static void igt_damage_iter_single_damage_intersect_fractional_src( + struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -425,13 +405,13 @@ int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage clipped to rounded off src."); - FAIL_ON(!check_damage_clip(&state, &clip, 10, 4, 1029, 330)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 10, 4, 1029, 330)); } -int igt_damage_iter_single_damage_outside_fractional_src(void *ignored) +static void igt_damage_iter_single_damage_outside_fractional_src( + struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -454,12 +434,10 @@ int igt_damage_iter_single_damage_outside_fractional_src(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should have no damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } -int igt_damage_iter_single_damage_src_moved(void *ignored) +static void igt_damage_iter_single_damage_src_moved(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -480,13 +458,13 @@ int igt_damage_iter_single_damage_src_moved(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 10, 10, 1034, 778)); } -int igt_damage_iter_single_damage_fractional_src_moved(void *ignored) +static void igt_damage_iter_single_damage_fractional_src_moved( + struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -509,13 +487,11 @@ int igt_damage_iter_single_damage_fractional_src_moved(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return rounded off plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, check_damage_clip(&state, &clip, 4, 4, 1029, 773)); } -int igt_damage_iter_damage(void *ignored) +static void igt_damage_iter_damage(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -535,18 +511,18 @@ int igt_damage_iter_damage(void *ignored) drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); drm_atomic_for_each_plane_damage(&iter, &clip) { if (num_hits == 0) - FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180)); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 20, 30, 200, 180)); if (num_hits == 1) - FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250)); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 240, 200, 280, 250)); num_hits++; } - FAIL(num_hits != 2, "Should return damage when set."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 2); } -int igt_damage_iter_damage_one_intersect(void *ignored) +static void igt_damage_iter_damage_one_intersect(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -568,18 +544,18 @@ int igt_damage_iter_damage_one_intersect(void *ignored) drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); drm_atomic_for_each_plane_damage(&iter, &clip) { if (num_hits == 0) - FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180)); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 20, 30, 200, 180)); if (num_hits == 1) - FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 4, 4, 1029, 773)); num_hits++; } - FAIL(num_hits != 2, "Should return damage when set."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 2); } -int igt_damage_iter_damage_one_outside(void *ignored) +static void igt_damage_iter_damage_one_outside(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -600,13 +576,12 @@ int igt_damage_iter_damage_one_outside(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return damage when set."); - FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, + check_damage_clip(&state, &clip, 240, 200, 280, 250)); } -int igt_damage_iter_damage_src_moved(void *ignored) +static void igt_damage_iter_damage_src_moved(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -629,13 +604,11 @@ int igt_damage_iter_damage_src_moved(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 1, "Should return round off plane src as damage."); - FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772)); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 1); + KUNIT_EXPECT_TRUE(test, check_damage_clip(&state, &clip, 3, 3, 1028, 772)); } -int igt_damage_iter_damage_not_visible(void *ignored) +static void igt_damage_iter_damage_not_visible(struct kunit *test) { struct drm_atomic_helper_damage_iter iter; struct drm_property_blob damage_blob; @@ -660,7 +633,39 @@ int igt_damage_iter_damage_not_visible(void *ignored) drm_atomic_for_each_plane_damage(&iter, &clip) num_hits++; - FAIL(num_hits != 0, "Should not return any damage."); - - return 0; + KUNIT_EXPECT_EQ(test, num_hits, 0); } + +static struct kunit_case drm_damage_helper_tests[] = { + KUNIT_CASE(igt_damage_iter_no_damage), + KUNIT_CASE(igt_damage_iter_no_damage_fractional_src), + KUNIT_CASE(igt_damage_iter_no_damage_src_moved), + KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved), + KUNIT_CASE(igt_damage_iter_no_damage_not_visible), + KUNIT_CASE(igt_damage_iter_no_damage_no_crtc), + KUNIT_CASE(igt_damage_iter_no_damage_no_fb), + KUNIT_CASE(igt_damage_iter_simple_damage), + KUNIT_CASE(igt_damage_iter_single_damage), + KUNIT_CASE(igt_damage_iter_single_damage_intersect_src), + KUNIT_CASE(igt_damage_iter_single_damage_outside_src), + KUNIT_CASE(igt_damage_iter_single_damage_fractional_src), + KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src), + KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src), + KUNIT_CASE(igt_damage_iter_single_damage_src_moved), + KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved), + KUNIT_CASE(igt_damage_iter_damage), + KUNIT_CASE(igt_damage_iter_damage_one_intersect), + KUNIT_CASE(igt_damage_iter_damage_one_outside), + KUNIT_CASE(igt_damage_iter_damage_src_moved), + KUNIT_CASE(igt_damage_iter_damage_not_visible), + { } +}; + +static struct kunit_suite drm_damage_helper_test_suite = { + .name = "drm_damage_helper_tests", + .test_cases = drm_damage_helper_tests, +}; + +kunit_test_suite(drm_damage_helper_test_suite); + +MODULE_LICENSE("GPL"); -- 2.33.1