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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-02 14:29:16 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-03 16:23:24 +0300 |
| commit | a5b1a681dcac2eb75129e5e1bc2530dbd6febc44 (patch) | |
| tree | cbc1daac9aa9b1820f0555f62848131b7a3608b3 /drivers/gpu/drm/tests | |
| parent | f35cd3fa77293c2cd03e94b6a6151e1a7d9309cf (diff) | |
| download | linux-a5b1a681dcac2eb75129e5e1bc2530dbd6febc44.tar.xz | |
drm/format-helper: Comment on RGB888 byte order
RGB888 is different than the other formats as most of its pixels are
unaligned and therefore helper functions do not use endianness conversion
helpers. Comment on this in the source code.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230102112927.26565-3-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/tests')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_format_helper_test.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index 2191e57f2297..cd1d7da3483c 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -407,6 +407,10 @@ static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test) KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); iosys_map_set_vaddr(&src, xrgb8888); + /* + * RGB888 expected results are already in little-endian + * order, so there's no need to convert the test output. + */ drm_fb_xrgb8888_to_rgb888(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); } |