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author | José Expósito <jose.exposito89@gmail.com> | 2022-09-26 10:08:37 +0200 |
---|---|---|
committer | José Expósito <jose.exposito89@gmail.com> | 2022-09-27 19:41:52 +0200 |
commit | 45eb009f8d1d3cc38de9c3b5be20301a2aa9cec0 (patch) | |
tree | 3bf63f3e33d71fbb254676ae5e29b5a3ccacd490 /drivers/gpu/drm/tests/drm_format_helper_test.c | |
parent | 453114319699b6bec2f2ab9bd87617ba25f6215e (diff) | |
download | linux-stable-45eb009f8d1d3cc38de9c3b5be20301a2aa9cec0.tar.gz linux-stable-45eb009f8d1d3cc38de9c3b5be20301a2aa9cec0.tar.bz2 linux-stable-45eb009f8d1d3cc38de9c3b5be20301a2aa9cec0.zip |
drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_gray8()
Extend the existing test cases to test the conversion from XRGB8888 to
grayscale.
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220926080837.65734-4-jose.exposito89@gmail.com
Diffstat (limited to 'drivers/gpu/drm/tests/drm_format_helper_test.c')
-rw-r--r-- | drivers/gpu/drm/tests/drm_format_helper_test.c | 62 |
1 files changed, 62 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 4a2f3c0de060..8d86c250c2ec 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -16,6 +16,11 @@ #define TEST_BUF_SIZE 50 +struct convert_to_gray8_result { + unsigned int dst_pitch; + const u8 expected[TEST_BUF_SIZE]; +}; + struct convert_to_rgb332_result { unsigned int dst_pitch; const u8 expected[TEST_BUF_SIZE]; @@ -42,6 +47,7 @@ struct convert_xrgb8888_case { unsigned int pitch; struct drm_rect clip; const u32 xrgb8888[TEST_BUF_SIZE]; + struct convert_to_gray8_result gray8_result; struct convert_to_rgb332_result rgb332_result; struct convert_to_rgb565_result rgb565_result; struct convert_to_rgb888_result rgb888_result; @@ -54,6 +60,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .pitch = 1 * 4, .clip = DRM_RECT_INIT(0, 0, 1, 1), .xrgb8888 = { 0x01FF0000 }, + .gray8_result = { + .dst_pitch = 0, + .expected = { 0x4C }, + }, .rgb332_result = { .dst_pitch = 0, .expected = { 0xE0 }, @@ -80,6 +90,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0x00000000, 0x00000000, 0x00000000, 0x10FF0000, }, + .gray8_result = { + .dst_pitch = 0, + .expected = { 0x4C }, + }, .rgb332_result = { .dst_pitch = 0, .expected = { 0xE0 }, @@ -113,6 +127,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0x00000000, 0x550000FF, 0x66FF00FF, 0x00000000, 0x00000000, 0x77FFFF00, 0x8800FFFF, 0x00000000, }, + .gray8_result = { + .dst_pitch = 0, + .expected = { + 0xFF, 0x00, + 0x4C, 0x99, + 0x19, 0x66, + 0xE5, 0xB2, + }, + }, .rgb332_result = { .dst_pitch = 0, .expected = { @@ -166,6 +189,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0xD16C7073, 0xA20E449C, 0xB2114D05, 0xC2A80303, 0xD26C7073, 0xA30E449C, }, + .gray8_result = { + .dst_pitch = 5, + .expected = { + 0x3C, 0x33, 0x34, 0x00, 0x00, + 0x6F, 0x3C, 0x33, 0x00, 0x00, + 0x34, 0x6F, 0x3C, 0x00, 0x00, + }, + }, .rgb332_result = { .dst_pitch = 5, .expected = { @@ -257,6 +288,36 @@ static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t, KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases, convert_xrgb8888_case_desc); +static void drm_test_fb_xrgb8888_to_gray8(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_gray8_result *result = ¶ms->gray8_result; + size_t dst_size; + __u8 *buf = NULL; + __u32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_R8, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_gray8(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + static void drm_test_fb_xrgb8888_to_rgb332(struct kunit *test) { const struct convert_xrgb8888_case *params = test->param_value; @@ -382,6 +443,7 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test) } static struct kunit_case drm_format_helper_test_cases[] = { + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb565, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb888, convert_xrgb8888_gen_params), |