Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=linux-6.0.y 2022-10-21T10:38:23+00:00 2022-10-21T10:38:23+00:00 José Expósito jose.exposito89@gmail.com 2022-07-26T23:09:13+00:00 urn:sha1:80a00d6f5c221f872ffc33b1ab500244f3eed40f [ Upstream commit 18c8485236a5e3f491b670c018ae391c9cb84dfa ] 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: 8f456104915f ("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 Signed-off-by: Sasha Levin <sashal@kernel.org> 2022-06-27T11:45:53+00:00 José Expósito jose.exposito89@gmail.com 2022-06-20T16:06:39+00:00 urn:sha1:8f456104915f0f991a2ce059a640b0a6f807e2cd 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