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([2804:14d:8084:84c6:fe26:c42d:aab9:fa8a]) by smtp.gmail.com with ESMTPSA id u7-20020a056830248700b0060bfebb96e5sm6056928ots.35.2022.06.15.06.59.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jun 2022 06:59:14 -0700 (PDT) From: =?utf-8?q?Ma=C3=ADra_Canal?= To: Isabella Basso , magalilemes00@gmail.com, tales.aparecida@gmail.com, mwen@igalia.com, andrealmeid@riseup.net, Trevor Woerner , leandro.ribeiro@collabora.com, n@nfraprado.net, Daniel Vetter , Shuah Khan , David Airlie , Maxime Ripard , Thomas Zimmermann , michal.winiarski@intel.com, Javier Martinez Canillas , =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= , David Gow , Daniel Latypov , brendanhiggins@google.com Cc: dri-devel@lists.freedesktop.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kunit-dev@googlegroups.com, =?utf-8?q?Ma?= =?utf-8?q?=C3=ADra_Canal?= , Arthur Grillo Subject: [PATCH 01/10] drm: selftest: convert drm_damage_helper selftest to KUnit Date: Wed, 15 Jun 2022 10:58:15 -0300 Message-Id: <20220615135824.15522-2-maira.canal@usp.br> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220615135824.15522-1-maira.canal@usp.br> References: <20220615135824.15522-1-maira.canal@usp.br> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Considering the current adoption of the KUnit framework, convert the DRM damage helper selftest to the KUnit API. Co-developed-by: Arthur Grillo Signed-off-by: Arthur Grillo Signed-off-by: Maíra Canal --- drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/selftests/Makefile | 3 +- .../gpu/drm/selftests/drm_modeset_selftests.h | 21 - .../drm/selftests/test-drm_damage_helper.c | 667 ------------------ .../drm/selftests/test-drm_modeset_common.h | 21 - drivers/gpu/drm/tests/Kconfig | 28 + drivers/gpu/drm/tests/Makefile | 2 + .../gpu/drm/tests/test-drm_damage_helper.c | 633 +++++++++++++++++ 9 files changed, 667 insertions(+), 711 deletions(-) delete mode 100644 drivers/gpu/drm/selftests/test-drm_damage_helper.c create mode 100644 drivers/gpu/drm/tests/Kconfig create mode 100644 drivers/gpu/drm/tests/Makefile create mode 100644 drivers/gpu/drm/tests/test-drm_damage_helper.c diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index e88c497fa010..bd1b5d82c9cf 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -70,6 +70,8 @@ config DRM_DEBUG_SELFTEST If in doubt, say "N". +source "drivers/gpu/drm/tests/Kconfig" + config DRM_KMS_HELPER tristate depends on DRM diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 15fe3163f822..0f24aa542be0 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -76,6 +76,7 @@ obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o # obj-$(CONFIG_DRM_DEBUG_SELFTEST) += selftests/ +obj-y += tests/ obj-$(CONFIG_DRM_MIPI_DBI) += drm_mipi_dbi.o obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index 5ba5f9138c95..7a1a732e0a1b 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -1,8 +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_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 \ 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 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 deleted file mode 100644 index 8d8d8e214c28..000000000000 --- a/drivers/gpu/drm/selftests/test-drm_damage_helper.c +++ /dev/null @@ -1,667 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Test case for drm_damage_helper functions - */ - -#define pr_fmt(fmt) "drm_damage_helper: " fmt - -#include -#include -#include - -#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; -static struct drm_plane mock_plane; -static struct drm_property mock_prop; - -static void mock_setup(struct drm_plane_state *state) -{ - static bool setup_done = false; - - state->plane = &mock_plane; - - if (setup_done) - return; - - /* just enough so that drm_plane_enable_fb_damage_clips() works */ - mock_device.driver = &mock_driver; - mock_device.mode_config.prop_fb_damage_clips = &mock_prop; - mock_plane.dev = &mock_device; - mock_obj_props.count = 0; - mock_plane.base.properties = &mock_obj_props; - mock_prop.base.id = 1; /* 0 is an invalid id */ - mock_prop.dev = &mock_device; - - drm_plane_enable_fb_damage_clips(&mock_plane); -} - -static void set_plane_src(struct drm_plane_state *state, int x1, int y1, int x2, - int y2) -{ - state->src.x1 = x1; - state->src.y1 = y1; - state->src.x2 = x2; - state->src.y2 = y2; -} - -static void set_damage_clip(struct drm_mode_rect *r, int x1, int y1, int x2, - int y2) -{ - r->x1 = x1; - r->y1 = y1; - r->x2 = x2; - r->y2 = y2; -} - -static void set_damage_blob(struct drm_property_blob *damage_blob, - struct drm_mode_rect *r, uint32_t size) -{ - damage_blob->length = size; - damage_blob->data = r; -} - -static void set_plane_damage(struct drm_plane_state *state, - struct drm_property_blob *damage_blob) -{ - state->fb_damage_clips = damage_blob; -} - -static bool check_damage_clip(struct drm_plane_state *state, struct drm_rect *r, - int x1, int y1, int x2, int y2) -{ - /* - * Round down x1/y1 and round up x2/y2. This is because damage is not in - * 16.16 fixed point so to catch all pixels. - */ - int src_x1 = state->src.x1 >> 16; - int src_y1 = state->src.y1 >> 16; - int src_x2 = (state->src.x2 >> 16) + !!(state->src.x2 & 0xFFFF); - int src_y2 = (state->src.y2 >> 16) + !!(state->src.y2 & 0xFFFF); - - if (x1 >= x2 || y1 >= y2) { - pr_err("Cannot have damage clip with no dimension.\n"); - return false; - } - - if (x1 < src_x1 || y1 < src_y1 || x2 > src_x2 || y2 > src_y2) { - pr_err("Damage cannot be outside rounded plane src.\n"); - return false; - } - - if (r->x1 != x1 || r->y1 != y1 || r->x2 != x2 || r->y2 != y2) { - pr_err("Damage = %d %d %d %d\n", r->x1, r->y1, r->x2, r->y2); - return false; - } - - return true; -} - -const struct drm_framebuffer fb = { - .width = 2048, - .height = 2048 -}; - -/* common mocked structs many tests need */ -#define MOCK_VARIABLES() \ - struct drm_plane_state old_state; \ - struct drm_plane_state state = { \ - .crtc = ZERO_SIZE_PTR, \ - .fb = (struct drm_framebuffer *) &fb, \ - .visible = true, \ - }; \ - mock_setup(&old_state); \ - mock_setup(&state); - -int igt_damage_iter_no_damage(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src same as fb size. */ - set_plane_src(&old_state, 0, 0, fb.width << 16, fb.height << 16); - set_plane_src(&state, 0, 0, fb.width << 16, fb.height << 16); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_no_damage_fractional_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src has fractional part. */ - set_plane_src(&old_state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - set_plane_src(&state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_no_damage_src_moved(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src moved since old plane state. */ - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 10 << 16, 10 << 16, - (10 + 1024) << 16, (10 + 768) << 16); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_no_damage_fractional_src_moved(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src has fractional part and it moved since old plane state. */ - set_plane_src(&old_state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_no_damage_not_visible(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - state.visible = false; - - mock_setup(&old_state); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should have no damage."); - - return 0; -} - -int igt_damage_iter_no_damage_no_crtc(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - state.crtc = NULL; - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should have no damage."); - - return 0; -} - -int igt_damage_iter_no_damage_no_fb(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_plane_state old_state; - struct drm_rect clip; - uint32_t num_hits = 0; - - struct drm_plane_state state = { - .crtc = ZERO_SIZE_PTR, - .fb = 0, - }; - - mock_setup(&old_state); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should have no damage."); - - return 0; -} - -int igt_damage_iter_simple_damage(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - /* Damage set to plane src */ - set_damage_clip(&damage, 0, 0, 1024, 768); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - set_damage_clip(&damage, 256, 192, 768, 576); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage_intersect_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - /* Damage intersect with plane src. */ - set_damage_clip(&damage, 256, 192, 1360, 768); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage_outside_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - /* Damage clip outside plane src */ - set_damage_clip(&damage, 1360, 1360, 1380, 1380); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should have no damage."); - - return 0; -} - -int igt_damage_iter_single_damage_fractional_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src has fractional part. */ - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_damage_clip(&damage, 10, 10, 256, 330); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src has fractional part. */ - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - /* Damage intersect with plane src. */ - set_damage_clip(&damage, 10, 1, 1360, 330); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage_outside_fractional_src(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src has fractional part. */ - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - /* Damage clip outside plane src */ - set_damage_clip(&damage, 1360, 1360, 1380, 1380); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should have no damage."); - - return 0; -} - -int igt_damage_iter_single_damage_src_moved(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src moved since old plane state. */ - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 10 << 16, 10 << 16, - (10 + 1024) << 16, (10 + 768) << 16); - set_damage_clip(&damage, 20, 30, 256, 256); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_single_damage_fractional_src_moved(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - /* Plane src with fractional part moved since old plane state. */ - set_plane_src(&old_state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - /* Damage intersect with plane src. */ - set_damage_clip(&damage, 20, 30, 1360, 256); - set_damage_blob(&damage_blob, &damage, sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_damage(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage[2]; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - /* 2 damage clips. */ - set_damage_clip(&damage[0], 20, 30, 200, 180); - set_damage_clip(&damage[1], 240, 200, 280, 250); - set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); - set_plane_damage(&state, &damage_blob); - 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)); - if (num_hits == 1) - FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250)); - num_hits++; - } - - FAIL(num_hits != 2, "Should return damage when set."); - - return 0; -} - -int igt_damage_iter_damage_one_intersect(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage[2]; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - /* 2 damage clips, one intersect plane src. */ - set_damage_clip(&damage[0], 20, 30, 200, 180); - set_damage_clip(&damage[1], 2, 2, 1360, 1360); - set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); - set_plane_damage(&state, &damage_blob); - 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)); - if (num_hits == 1) - FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773)); - num_hits++; - } - - FAIL(num_hits != 2, "Should return damage when set."); - - return 0; -} - -int igt_damage_iter_damage_one_outside(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage[2]; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16); - set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16); - /* 2 damage clips, one outside plane src. */ - set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); - set_damage_clip(&damage[1], 240, 200, 280, 250); - set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_damage_src_moved(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage[2]; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - /* 2 damage clips, one outside plane src. */ - set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); - set_damage_clip(&damage[1], 240, 200, 280, 250); - set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - 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; -} - -int igt_damage_iter_damage_not_visible(void *ignored) -{ - struct drm_atomic_helper_damage_iter iter; - struct drm_property_blob damage_blob; - struct drm_mode_rect damage[2]; - struct drm_rect clip; - uint32_t num_hits = 0; - - MOCK_VARIABLES(); - - state.visible = false; - - set_plane_src(&old_state, 0x40002, 0x40002, - 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); - set_plane_src(&state, 0x3fffe, 0x3fffe, - 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); - /* 2 damage clips, one outside plane src. */ - set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); - set_damage_clip(&damage[1], 240, 200, 280, 250); - set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); - set_plane_damage(&state, &damage_blob); - drm_atomic_helper_damage_iter_init(&iter, &old_state, &state); - drm_atomic_for_each_plane_damage(&iter, &clip) - num_hits++; - - FAIL(num_hits != 0, "Should not return any damage."); - - return 0; -} diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h index cfb51d8da2bc..c29354e59cec 100644 --- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h +++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h @@ -25,27 +25,6 @@ int igt_check_drm_format_block_width(void *ignored); int igt_check_drm_format_block_height(void *ignored); int igt_check_drm_format_min_pitch(void *ignored); int igt_check_drm_framebuffer_create(void *ignored); -int igt_damage_iter_no_damage(void *ignored); -int igt_damage_iter_no_damage_fractional_src(void *ignored); -int igt_damage_iter_no_damage_src_moved(void *ignored); -int igt_damage_iter_no_damage_fractional_src_moved(void *ignored); -int igt_damage_iter_no_damage_not_visible(void *ignored); -int igt_damage_iter_no_damage_no_crtc(void *ignored); -int igt_damage_iter_no_damage_no_fb(void *ignored); -int igt_damage_iter_simple_damage(void *ignored); -int igt_damage_iter_single_damage(void *ignored); -int igt_damage_iter_single_damage_intersect_src(void *ignored); -int igt_damage_iter_single_damage_outside_src(void *ignored); -int igt_damage_iter_single_damage_fractional_src(void *ignored); -int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored); -int igt_damage_iter_single_damage_outside_fractional_src(void *ignored); -int igt_damage_iter_single_damage_src_moved(void *ignored); -int igt_damage_iter_single_damage_fractional_src_moved(void *ignored); -int igt_damage_iter_damage(void *ignored); -int igt_damage_iter_damage_one_intersect(void *ignored); -int igt_damage_iter_damage_one_outside(void *ignored); -int igt_damage_iter_damage_src_moved(void *ignored); -int igt_damage_iter_damage_not_visible(void *ignored); int igt_dp_mst_calc_pbn_mode(void *ignored); int igt_dp_mst_sideband_msg_req_decode(void *ignored); diff --git a/drivers/gpu/drm/tests/Kconfig b/drivers/gpu/drm/tests/Kconfig new file mode 100644 index 000000000000..686e134b88bf --- /dev/null +++ b/drivers/gpu/drm/tests/Kconfig @@ -0,0 +1,28 @@ +menu "KUnit tests for DRM" + depends on DRM && KUNIT + +config DRM_KUNIT_TEST + tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS + select DRM_KMS_HELPER + default KUNIT_ALL_TESTS + help + This option provides a KUnit module that can be used to run + all unit tests on the DRM 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_DAMAGE_HELPER_KUNIT_TEST + tristate "KUnit tests for DRM damage helper" 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 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". + +endmenu diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile new file mode 100644 index 000000000000..3fef656dffb9 --- /dev/null +++ b/drivers/gpu/drm/tests/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_DRM_DAMAGE_HELPER_KUNIT_TEST) += test-drm_damage_helper.o diff --git a/drivers/gpu/drm/tests/test-drm_damage_helper.c b/drivers/gpu/drm/tests/test-drm_damage_helper.c new file mode 100644 index 000000000000..5e170eb8753a --- /dev/null +++ b/drivers/gpu/drm/tests/test-drm_damage_helper.c @@ -0,0 +1,633 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test case for drm_damage_helper functions + */ + +#include +#include +#include +#include + +struct drm_damage_mock { + struct drm_driver driver; + struct drm_device device; + struct drm_object_properties obj_props; + struct drm_plane plane; + struct drm_property prop; + struct drm_framebuffer fb; + struct drm_plane_state state; + struct drm_plane_state old_state; +}; + +static int drm_damage_helper_init(struct kunit *test) +{ + struct drm_damage_mock *mock; + + mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, mock); + + mock->fb.width = 2048; + mock->fb.height = 2048; + + mock->state.crtc = ZERO_SIZE_PTR; + mock->state.fb = &mock->fb; + mock->state.visible = true; + + mock->old_state.plane = &mock->plane; + mock->state.plane = &mock->plane; + + /* just enough so that drm_plane_enable_fb_damage_clips() works */ + mock->device.driver = &mock->driver; + mock->device.mode_config.prop_fb_damage_clips = &mock->prop; + mock->plane.dev = &mock->device; + mock->obj_props.count = 0; + mock->plane.base.properties = &mock->obj_props; + mock->prop.base.id = 1; /* 0 is an invalid id */ + mock->prop.dev = &mock->device; + + drm_plane_enable_fb_damage_clips(&mock->plane); + + test->priv = mock; + + return 0; +} + +static void set_plane_src(struct drm_plane_state *state, int x1, int y1, int x2, + int y2) +{ + state->src.x1 = x1; + state->src.y1 = y1; + state->src.x2 = x2; + state->src.y2 = y2; +} + +static void set_damage_clip(struct drm_mode_rect *r, int x1, int y1, int x2, + int y2) +{ + r->x1 = x1; + r->y1 = y1; + r->x2 = x2; + r->y2 = y2; +} + +static void set_damage_blob(struct drm_property_blob *damage_blob, + struct drm_mode_rect *r, uint32_t size) +{ + damage_blob->length = size; + damage_blob->data = r; +} + +static void set_plane_damage(struct drm_plane_state *state, + struct drm_property_blob *damage_blob) +{ + state->fb_damage_clips = damage_blob; +} + +static void check_damage_clip(struct kunit *test, struct drm_rect *r, + int x1, int y1, int x2, int y2) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_plane_state state = mock->state; + + /* + * Round down x1/y1 and round up x2/y2. This is because damage is not in + * 16.16 fixed point so to catch all pixels. + */ + int src_x1 = state.src.x1 >> 16; + int src_y1 = state.src.y1 >> 16; + int src_x2 = (state.src.x2 >> 16) + !!(state.src.x2 & 0xFFFF); + int src_y2 = (state.src.y2 >> 16) + !!(state.src.y2 & 0xFFFF); + + if (x1 >= x2 || y1 >= y2) + KUNIT_FAIL(test, "Cannot have damage clip with no dimension."); + if (x1 < src_x1 || y1 < src_y1 || x2 > src_x2 || y2 > src_y2) + KUNIT_FAIL(test, "Damage cannot be outside rounded plane src."); + if (r->x1 != x1 || r->y1 != y1 || r->x2 != x2 || r->y2 != y2) + KUNIT_FAIL(test, "Damage = %d %d %d %d, want = %d %d %d %d", + r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2); +} + +static void igt_damage_iter_no_damage(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src same as fb size. */ + set_plane_src(&mock->old_state, 0, 0, mock->fb.width << 16, mock->fb.height << 16); + set_plane_src(&mock->state, 0, 0, mock->fb.width << 16, mock->fb.height << 16); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage."); + check_damage_clip(test, &clip, 0, 0, 2048, 2048); +} + +static void igt_damage_iter_no_damage_fractional_src(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src has fractional part. */ + set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&mock->state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, + "Should return rounded off plane src as damage."); + check_damage_clip(test, &clip, 3, 3, 1028, 772); +} + +static void igt_damage_iter_no_damage_src_moved(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src moved since old plane state. */ + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 10 << 16, 10 << 16, + (10 + 1024) << 16, (10 + 768) << 16); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage."); + check_damage_clip(test, &clip, 10, 10, 1034, 778); +} + +static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src has fractional part and it moved since old plane state. */ + set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage."); + check_damage_clip(test, &clip, 4, 4, 1029, 773); +} + +static void igt_damage_iter_no_damage_not_visible(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + mock->state.visible = false; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage."); +} + +static void igt_damage_iter_no_damage_no_crtc(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + mock->state.crtc = NULL; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage."); +} + +static void igt_damage_iter_no_damage_no_fb(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_rect clip; + uint32_t num_hits = 0; + + mock->state.fb = NULL; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage."); +} + +static void igt_damage_iter_simple_damage(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + /* Damage set to plane src */ + set_damage_clip(&damage, 0, 0, 1024, 768); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set."); + check_damage_clip(test, &clip, 0, 0, 1024, 768); +} + +static void igt_damage_iter_single_damage(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + set_damage_clip(&damage, 256, 192, 768, 576); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set."); + check_damage_clip(test, &clip, 256, 192, 768, 576); +} + +static void igt_damage_iter_single_damage_intersect_src(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 256, 192, 1360, 768); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage clipped to src."); + check_damage_clip(test, &clip, 256, 192, 1024, 768); +} + +static void igt_damage_iter_single_damage_outside_src(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + /* Damage clip outside plane src */ + set_damage_clip(&damage, 1360, 1360, 1380, 1380); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage."); +} + +static void igt_damage_iter_single_damage_fractional_src(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src has fractional part. */ + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_damage_clip(&damage, 10, 10, 256, 330); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set."); + check_damage_clip(test, &clip, 10, 10, 256, 330); +} + +static void igt_damage_iter_single_damage_intersect_fractional_src( + struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src has fractional part. */ + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 10, 1, 1360, 330); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, + "Should return damage clipped to rounded off src."); + check_damage_clip(test, &clip, 10, 4, 1029, 330); +} + +static void igt_damage_iter_single_damage_outside_fractional_src( + struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src has fractional part. */ + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage clip outside plane src */ + set_damage_clip(&damage, 1360, 1360, 1380, 1380); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage."); +} + +static void igt_damage_iter_single_damage_src_moved(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src moved since old plane state. */ + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 10 << 16, 10 << 16, + (10 + 1024) << 16, (10 + 768) << 16); + set_damage_clip(&damage, 20, 30, 256, 256); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, + "Should return plane src as damage."); + check_damage_clip(test, &clip, 10, 10, 1034, 778); +} + +static void igt_damage_iter_single_damage_fractional_src_moved( + struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage; + struct drm_rect clip; + uint32_t num_hits = 0; + + /* Plane src with fractional part moved since old plane state. */ + set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* Damage intersect with plane src. */ + set_damage_clip(&damage, 20, 30, 1360, 256); + set_damage_blob(&damage_blob, &damage, sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, + "Should return rounded off plane as damage."); + check_damage_clip(test, &clip, 4, 4, 1029, 773); +} + +static void igt_damage_iter_damage(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + /* 2 damage clips. */ + set_damage_clip(&damage[0], 20, 30, 200, 180); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) { + if (num_hits == 0) + check_damage_clip(test, &clip, 20, 30, 200, 180); + if (num_hits == 1) + check_damage_clip(test, &clip, 240, 200, 280, 250); + num_hits++; + } + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set."); +} + +static void igt_damage_iter_damage_one_intersect(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + /* 2 damage clips, one intersect plane src. */ + set_damage_clip(&damage[0], 20, 30, 200, 180); + set_damage_clip(&damage[1], 2, 2, 1360, 1360); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) { + if (num_hits == 0) + check_damage_clip(test, &clip, 20, 30, 200, 180); + if (num_hits == 1) + check_damage_clip(test, &clip, 4, 4, 1029, 773); + num_hits++; + } + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set."); +} + +static void igt_damage_iter_damage_one_outside(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16); + set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set."); + check_damage_clip(test, &clip, 240, 200, 280, 250); +} + +static void igt_damage_iter_damage_src_moved(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, + "Should return round off plane src as damage."); + check_damage_clip(test, &clip, 3, 3, 1028, 772); +} + +static void igt_damage_iter_damage_not_visible(struct kunit *test) +{ + struct drm_damage_mock *mock = test->priv; + struct drm_atomic_helper_damage_iter iter; + struct drm_property_blob damage_blob; + struct drm_mode_rect damage[2]; + struct drm_rect clip; + uint32_t num_hits = 0; + + mock->state.visible = false; + + set_plane_src(&mock->old_state, 0x40002, 0x40002, + 0x40002 + (1024 << 16), 0x40002 + (768 << 16)); + set_plane_src(&mock->state, 0x3fffe, 0x3fffe, + 0x3fffe + (1024 << 16), 0x3fffe + (768 << 16)); + /* 2 damage clips, one outside plane src. */ + set_damage_clip(&damage[0], 1360, 1360, 1380, 1380); + set_damage_clip(&damage[1], 240, 200, 280, 250); + set_damage_blob(&damage_blob, &damage[0], sizeof(damage)); + set_plane_damage(&mock->state, &damage_blob); + drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state); + drm_atomic_for_each_plane_damage(&iter, &clip) + num_hits++; + + KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should not return any damage."); +} + +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", + .init = drm_damage_helper_init, + .test_cases = drm_damage_helper_tests, +}; + +kunit_test_suite(drm_damage_helper_test_suite); + +MODULE_LICENSE("GPL");