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path: root/drivers/gpu/drm/vkms/tests
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2025-11-26drm/vkms: Add tests for CTM handlingHarry Wentland
A whole slew of tests for CTM handling that greatly helped in debugging the CTM code. The extent of tests might seem a bit silly but they're fast and might someday help save someone else's day when debugging this. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Daniel Stone <daniels@collabora.com> Signed-off-by: Simon Ser <contact@emersion.fr> Link: https://patch.msgid.link/20251115000237.3561250-23-alex.hung@amd.com
2025-11-26drm/vkms: Add kunit tests for linear and sRGB LUTsHarry Wentland
Two tests are added to VKMS LUT handling: - linear - inv_srgb Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Daniel Stone <daniels@collabora.com> Signed-off-by: Simon Ser <contact@emersion.fr> Link: https://patch.msgid.link/20251115000237.3561250-18-alex.hung@amd.com
2025-11-26drm/vkms: Add config for default plane pipelineLouis Chauvet
With the introduction of color pipeline in VKMS, the default device may have planes with color pipelines. To avoid breaking existing uAPI, create a kernel argument to disable them by default and a vkms_config field to configure the plane. This field is not definitive and will be replaced once the uAPI will be able to configure color pipelines. For now devices created with ConfigFS will not have any color pipeline so we can decide later how the uAPI will look like. Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Simon Ser <contact@emersion.fr> Link: https://patch.msgid.link/20251115000237.3561250-17-alex.hung@amd.com
2025-11-26drm/vkms: Add kunit tests for VKMS LUT handlingHarry Wentland
Debugging LUT math is much easier when we can unit test it. Add kunit functionality to VKMS and add tests for - get_lut_index - lerp_u16 Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Cc: Arthur Grillo <arthurgrillo@riseup.net> Reviewed-by: Daniel Stone <daniels@collabora.com> Signed-off-by: Simon Ser <contact@emersion.fr> Link: https://patch.msgid.link/20251115000237.3561250-3-alex.hung@amd.com
2025-10-22drm/vkms: Allow to configure connector statusJosé Expósito
Allow to store the connector status in vkms_config_connector and add a getter and a setter functions as well a KUnit test. This change only adds the configuration, the connector status is not used yet. Tested-by: Mark Yacoub <markyacoub@google.com> Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://lore.kernel.org/r/20251016175618.10051-15-jose.exposito89@gmail.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2025-09-05drm/vkms: Change YUV helpers to support u16 inputs for conversionLouis Chauvet
Some YUV format uses 16 bit values, so change the helper function for conversion to support those new formats. Reviewed-by: Maíra Canal <mcanal@igalia.com> Acked-by: Daniel Stone <daniels@collabora.com> Link: https://lore.kernel.org/r/20250703-b4-new-color-formats-v7-6-15fd8fd2e15c@bootlin.com Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
2025-09-05drm/vkms: Assert if vkms_config_create_*() failsJosé Expósito
Check that the value returned by the vkms_config_create_*() functions is valid. Otherwise, assert and finish the KUnit test. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/dri-devel/aJTL6IFEBaI8gqtH@stanley.mountain/ Signed-off-by: José Expósito <jose.exposito89@gmail.com> Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/20250811101529.150716-1-jose.exposito89@gmail.com Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
2025-06-13drm/vkms: Compile all tests with CONFIG_DRM_VKMS_KUNIT_TESTMaíra Canal
The Kconfig option `CONFIG_DRM_VKMS_KUNIT_TESTS` does not exist. However, the VKMS format tests use such an option for compilation, meaning that they are not compiled at all. Use the Kconfig option `CONFIG_DRM_VKMS_KUNIT_TEST` to compile all VKMS KUnit tests. Fixes: 3e897853debd ("drm/vkms: Create KUnit tests for YUV conversions") Signed-off-by: Maíra Canal <mcanal@igalia.com> Reviewed-by: José Expósito <jose.exposito89@gmail.com> Link: https://lore.kernel.org/r/20250611205704.334527-1-mcanal@igalia.com Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
2025-05-28drm/vkms: Create KUnit tests for YUV conversionsArthur Grillo
Create KUnit tests to test the conversion between YUV and RGB. Test each conversion and range combination with some common colors. The code used to compute the expected result can be found in comment. [Louis Chauvet: - fix minor formating issues (whitespace, double line) - change expected alpha from 0x0000 to 0xffff - adapt to the new get_conversion_matrix usage - apply the changes from Arthur - move struct pixel_yuv_u8 to the test itself] Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250415-yuv-v18-6-f2918f71ec4b@bootlin.com Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
2025-03-07drm/vkms: Allow to attach connectors and encodersJosé Expósito
Add a list of possible encoders to the connector configuration and helpers to attach and detach them. Now that the default configuration has its connector and encoder correctly, configure the output following the configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-15-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to configure multiple connectorsJosé Expósito
Add a list of connectors to vkms_config and helper functions to add and remove as many connectors as wanted. For backwards compatibility, add one enabled connector to the default configuration. A future patch will allow to attach connectors and encoders, but for the moment there are no changes in the way the output is configured. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-14-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to attach encoders and CRTCsJosé Expósito
Add a list of possible CRTCs to the encoder configuration and helpers to attach and detach them. Now that the default configuration has its encoder and CRTC correctly attached, configure the output following the configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-13-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to configure multiple encodersJosé Expósito
Add a list of encoders to vkms_config and helper functions to add and remove as many encoders as wanted. For backwards compatibility, add one encoder to the default configuration. A future patch will allow to attach encoders and CRTCs, but for the moment there are no changes in the way the output is configured. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-12-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to attach planes and CRTCsJosé Expósito
Add a list of possible CRTCs to the plane configuration and helpers to attach, detach and get the primary and cursor planes attached to a CRTC. Now that the default configuration has its planes and CRTC correctly attached, configure the output following the configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-11-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to configure multiple CRTCsJosé Expósito
Add a list of CRTCs to vkms_config and helper functions to add and remove as many CRTCs as wanted. For backwards compatibility, add one CRTC to the default configuration. A future patch will allow to attach planes and CRTCs, but for the moment there are no changes in the way the output is configured. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-10-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Allow to configure multiple planesJosé Expósito
Add a list of planes to vkms_config and create as many planes as configured during output initialization. For backwards compatibility, add one primary plane and, if configured, one cursor plane and NUM_OVERLAY_PLANES planes to the default configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-9-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Add a validation function for VKMS configurationLouis Chauvet
As the configuration will be used by userspace, add a validator to avoid creating a broken DRM device. For the moment, the function always returns true, but rules will be added in future patches. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: José Expósito <jose.exposito89@gmail.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-8-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Set device name from vkms_configJosé Expósito
In order to be able to create multiple devices, the device name needs to be unique. Allow to set it in the VKMS configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-7-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Move default_config creation to its own functionJosé Expósito
Extract the initialization of the default configuration to a function. Refactor, no functional changes. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-6-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Extract vkms_config headerJosé Expósito
Creating a new vkms_config structure will be more complex once we start adding more options. Extract the vkms_config structure to its own header and source files and add functions to create and delete a vkms_config and to initialize debugfs. Refactor, no functional changes. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-5-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-07drm/vkms: Add KUnit test scaffoldingJosé Expósito
Add the required boilerplate to start creating KUnit test. To run the tests: $ ./tools/testing/kunit/kunit.py run \ --kunitconfig=drivers/gpu/drm/vkms/tests Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: Arthur Grillo <arthurgrillo@riseup.net> Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net> Co-developed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-4-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
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