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8 Commits

Author SHA1 Message Date
Maíra Canal
961bcdf956 drm/tests: Change "igt_" prefix to "drm_test_" 
With the introduction of KUnit, IGT is no longer the only option to run
the DRM unit tests, as the tests can be run through kunit-tool or on
real hardware with CONFIG_KUNIT.

Therefore, remove the "igt_" prefix from the tests and replace it with
the "drm_test_" prefix, making the tests' names independent from the tool
used.

Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Acked-by: David Gow <davidgow@google.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220911191756.203118-2-mairacanal@riseup.net
 2022-09-14 13:53:33 -03:00
Thomas Zimmermann
ab298c29d4 drm/format-helper: Rework XRGB8888-to-RGBG565 conversion 
Update XRGB8888-to-RGB565 conversion to support struct iosys_map
and convert all users. Although these are single-plane color formats,
the new interface supports multi-plane formats for consistency with
drm_fb_blit().

v2:
	* update new Kunit tests
	* update documentation (Sam)
	* add TODO on vaddr location (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-7-tzimmermann@suse.de
 2022-08-10 09:18:45 +02:00
Thomas Zimmermann
e13140a062 drm/format-helper: Rework XRGB8888-to-RGBG332 conversion 
Update XRGB8888-to-RGB332 conversion to support struct iosys_map
and convert all users. Although these are single-plane color formats,
the new interface supports multi-plane formats for consistency with
drm_fb_blit().

v2:
	* rebase onto refactored Kunit tests
	* update documentation (Sam)
	* add TODO on vaddr location (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-6-tzimmermann@suse.de
 2022-08-10 09:18:36 +02:00
José Expósito
5d2f2e8b3a drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_rgb565() 
Extend the existing test cases to test the conversion from XRGB8888 to
RGB565.

The documentation and the color picker available on [1] are useful
resources to understand this patch and validate the values returned by
the conversion function.

Tested-by: Tales L. Aparecida <tales.aparecida@gmail.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: http://www.barth-dev.de/online/rgb565-color-picker/ # [1]
Link: https://patchwork.freedesktop.org/patch/msgid/20220726230916.390575-5-jose.exposito89@gmail.com
 2022-07-28 18:36:45 +02:00
José Expósito
4d09017aec drm/format-helper: Support multiple target formats results 
In order to support multiple destination format conversions, store the
destination pitch and the expected result in its own structure.

Tested-by: Tales L. Aparecida <tales.aparecida@gmail.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726230916.390575-4-jose.exposito89@gmail.com
 2022-07-28 18:36:44 +02:00
José Expósito
696560d43b drm/format-helper: Rename test cases to make them more generic 
The tests available at the moment only check the conversion from
XRGB8888 to RGB332. However, more conversions will be tested in the
future.

In order to make the struct and functions present in the tests more
generic, rename xrgb8888_to_rgb332_* to convert_xrgb8888_*.

Tested-by: Tales L. Aparecida <tales.aparecida@gmail.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726230916.390575-3-jose.exposito89@gmail.com
 2022-07-28 18:36:44 +02:00
José Expósito
18c8485236 drm/format-helper: Fix test on big endian architectures 
The tests fail on big endian architectures, like PowerPC:

 $ ./tools/testing/kunit/kunit.py run \
   --kunitconfig=drivers/gpu/drm/tests \
   --arch=powerpc --cross_compile=powerpc64-linux-gnu-

Transform the XRGB8888 buffer from little endian to the CPU endian
before calling the conversion function to avoid this error.

Fixes: 8f45610491 ("drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_rgb332()")
Reported-by: David Gow <davidgow@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726230916.390575-2-jose.exposito89@gmail.com
 2022-07-28 18:36:43 +02:00
José Expósito
8f45610491 drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_rgb332() 
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
 2022-06-27 13:45:53 +02:00