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2024-05-28drm/tests: Add output bpc testsMaxime Ripard1-0/+1
Now that we're tracking the output bpc count in the connector state, let's add a few tests to make sure it works as expected. Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Sui Jingfeng <sui.jingfeng@linux.dev> Link: https://patchwork.freedesktop.org/patch/msgid/20240527-kms-hdmi-connector-state-v15-6-c5af16c3aae2@kernel.org Signed-off-by: Maxime Ripard <mripard@kernel.org>
2023-12-04drm/test: add a test suite for GEM objects backed by shmemMarco Pagani1-0/+1
This patch introduces an initial KUnit test suite for GEM objects backed by shmem buffers. Suggested-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Marco Pagani <marpagan@redhat.com> v5: - using __drm_kunit_helper_alloc_drm_device() to avoid local struct v4: - Add missing MMU dependency for DRM_GEM_SHMEM_HELPER (kernel test robot) v3: - Explicitly cast pointers in the helpers - Removed unused pointer to parent dev in struct fake_dev - Test entries reordering in Kconfig and Makefile sent as a separate patch v2: - Improved description of test cases - Cleaner error handling using KUnit actions - Alphabetical order in Kconfig and Makefile Signed-off-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231130171417.74162-1-marpagan@redhat.com
2023-11-15drm/test: rearrange test entries in Kconfig and MakefileMarco Pagani1-2/+2
Rearrange entries in Kconfig and Makefile alphabetically to make room for additional KUnit test suites. Signed-off-by: Marco Pagani <marpagan@redhat.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231115103537.220760-1-marpagan@redhat.com
2023-07-12drm: add drm_exec selftests v4Christian König1-1/+2
Exercise at least all driver facing functions of this new component. v2: add array test as well v3: some kunit cleanups v4: more tests and cleanups Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230711133122.3710-3-christian.koenig@amd.com
2023-01-31Merge v6.2-rc6 into drm-nextDaniel Vetter1-0/+2
Due to holidays we started -next with more -fixes in-flight than usual, and people have been asking where they are. Backmerge to get things better in sync. Conflicts: - Tiny conflict in drm_fbdev_generic.c between variable rename and missing error handling that got added. - Conflict in drm_fb_helper.c between the added call to vgaswitcheroo in drm_fb_helper_single_fb_probe and a refactor patch that extracted lots of helpers and incidentally removed the dev local variable. Readd it to make things compile. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2022-12-24drm/tests: reduce drm_mm_test stack usageArnd Bergmann1-0/+2
The check_reserve_boundaries function uses a lot of kernel stack, and it gets inlined by clang, which makes __drm_test_mm_reserve use even more of it, to the point of hitting the warning limit: drivers/gpu/drm/tests/drm_mm_test.c:344:12: error: stack frame size (1048) exceeds limit (1024) in '__drm_test_mm_reserve' [-Werror,-Wframe-larger-than] When building with gcc, this does not happen, but the structleak plugin can similarly increase the stack usage and needs to be disabled, as we do for all other kunit users. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Maíra Canal <mcanal@igalia.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Maíra Canal <mairacanal@riseup.net> Link: https://patchwork.freedesktop.org/patch/msgid/20221215163511.266214-1-arnd@kernel.org
2022-12-08drm/tests: Add a test for DRM managed actionsMaxime Ripard1-0/+1
DRM-managed actions are supposed to be ran whenever the device is released. Let's introduce a basic unit test to make sure it happens. Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Maíra Canal <mcanal@igalia.com> Link: https://lore.kernel.org/r/20221123-rpi-kunit-tests-v3-12-4615a663a84a@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-12-08drm/tests: Introduce a config option for the KUnit helpersMaxime Ripard1-1/+3
Driver-specific tests will need access to the helpers without pulling every DRM framework test. Let's create an intermediate Kconfig options for the helpers. Suggested-by: Maíra Canal <mcanal@igalia.com> Reviewed-by: Maíra Canal <mcanal@igalia.com> Link: https://lore.kernel.org/r/20221123-rpi-kunit-tests-v3-2-4615a663a84a@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-11-24drm/probe-helper: Provide a TV get_modes helperNoralf Trønnes1-0/+1
Most of the TV connectors will need a similar get_modes implementation that will, depending on the drivers' capabilities, register the 480i and 576i modes. That implementation will also need to set the preferred flag and order the modes based on the driver and users preferrence. This is especially important to guarantee that a userspace stack such as Xorg can start and pick up the preferred mode while maintaining a working output. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com> Acked-in-principle-or-something-like-that-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-12-256dad125326@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-11-24drm/connector: Add a function to lookup a TV mode by its nameMaxime Ripard1-0/+1
As part of the command line parsing rework coming in the next patches, we'll need to lookup drm_connector_tv_mode values by their name, already defined in drm_tv_mode_enum_list. In order to avoid any code duplication, let's do a function that will perform a lookup of a TV mode name and return its value. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com> Acked-in-principle-or-something-like-that-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-7-256dad125326@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-11-24drm/modes: Add a function to generate analog display modesMaxime Ripard1-0/+1
Multiple drivers (meson, vc4, sun4i) define analog TV 525-lines and 625-lines modes in their drivers. Since those modes are fairly standard, and that we'll need to use them in more places in the future, it makes sense to move their definition into the core framework. However, analog display usually have fairly loose timings requirements, the only discrete parameters being the total number of lines and pixel clock frequency. Thus, we created a function that will create a display mode from the standard, the pixel frequency and the active area. Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com> Acked-in-principle-or-something-like-that-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-6-256dad125326@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-11-15drm/tests: Add Kunit HelpersMaxime Ripard1-0/+1
As the number of kunit tests in KMS grows further, we start to have multiple test suites that, for example, need to register a mock DRM driver to interact with the KMS function they are supposed to test. Let's add a file meant to provide those kind of helpers to avoid duplication. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v9-2-24b168e5bcd5@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-10-10drm/tests: Order Kunit tests in MakefileMaxime Ripard1-3/+11
Since we've recently added a ton of tests, the list starts to be a bit of a mess and creates unneeded conflicts. Let's order it alphabetically. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v4-2-60d38873f782@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-07-11drm: selftest: convert drm_mm selftest to KUnitArthur Grillo1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM mm selftest to the KUnit API. Signed-off-by: Arthur Grillo <arthur.grillo@usp.br> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-10-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_buddy selftest to KUnitMaíra Canal1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM buddy selftest to the KUnit API. Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-9-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_framebuffer selftest to KUnitMaíra Canal1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM framebuffer selftest to the KUnit API. Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-8-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_dp_mst_helper selftest to KUnitMaíra Canal1-1/+2
Considering the current adoption of the KUnit framework, convert the DRM DP MST helper selftest to the KUnit API. Co-developed-by: Rubens Gomes Neto <rubens.gomes.neto@usp.br> Signed-off-by: Rubens Gomes Neto <rubens.gomes.neto@usp.br> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-7-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_plane_helper selftest to KUnitMaíra Canal1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM plane helper selftest to the KUnit API. Co-developed-by: Djakson C. G. Filho <djakson.filho@gmail.com> Signed-off-by: Djakson C. G. Filho <djakson.filho@gmail.com> Co-developed-by: Anderson Fraga <aaafraga@gmail.com> Signed-off-by: Anderson Fraga <aaafraga@gmail.com> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-6-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_format selftest to KUnitMaíra Canal1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM format selftest to the KUnit API. Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-5-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_rect selftest to KUnitMaíra Canal1-1/+1
Considering the current adoption of the KUnit framework, convert the DRM rect selftest to the KUnit API. Co-developed-by: Carlos Veras <carlos.craveiro@usp.br> Signed-off-by: Carlos Veras <carlos.craveiro@usp.br> Co-developed-by: Matheus Vieira <matheus.vieira.g@usp.br> Signed-off-by: Matheus Vieira <matheus.vieira.g@usp.br> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-4-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_cmdline_parser selftest to KUnitMaíra Canal1-1/+2
Considering the current adoption of the KUnit framework, convert the DRM cmdline parser selftest to the KUnit API. Co-developed-by: Arthur Grillo <arthur.grillo@usp.br> Signed-off-by: Arthur Grillo <arthur.grillo@usp.br> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-3-maira.canal@usp.br
2022-07-11drm: selftest: convert drm_damage_helper selftest to KUnitMaíra Canal1-1/+1
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@usp.br> Signed-off-by: Arthur Grillo <arthur.grillo@usp.br> Tested-by: David Gow <davidgow@google.com> Acked-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-2-maira.canal@usp.br
2022-06-27drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_rgb332()José Expósito1-0/+3
Test the conversion from XRGB8888 to RGB332. What is tested? - Different values for the X in XRGB8888 to make sure it is ignored - Different clip values: Single pixel and full and partial buffer - Well known colors: White, black, red, green, blue, magenta, yellow and cyan - Other colors: Randomly picked - Destination pitch How to run the tests? $ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests \ --kconfig_add CONFIG_VIRTIO_UML=y \ --kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y Suggested-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: David Gow <davidgow@google.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220620160640.3790-3-jose.exposito89@gmail.com
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