Extend the existing test cases to test the conversion from XRGB8888 to monochromatic. Signed-off-by: Arthur Grillo <arthurgrillo@xxxxxxxxxx> --- .../gpu/drm/tests/drm_format_helper_test.c | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index 84b5cc29c8fc..041b3d2f100f 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -67,6 +67,11 @@ struct convert_to_argb2101010_result { const u32 expected[TEST_BUF_SIZE]; }; +struct convert_to_mono_result { + unsigned int dst_pitch; + const u8 expected[TEST_BUF_SIZE]; +}; + struct convert_xrgb8888_case { const char *name; unsigned int pitch; @@ -82,6 +87,7 @@ struct convert_xrgb8888_case { struct convert_to_argb8888_result argb8888_result; struct convert_to_xrgb2101010_result xrgb2101010_result; struct convert_to_argb2101010_result argb2101010_result; + struct convert_to_mono_result mono_result; }; static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { @@ -131,6 +137,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = 0, .expected = { 0xFFF00000 }, }, + .mono_result = { + .dst_pitch = 0, + .expected = { 0b0 }, + }, }, { .name = "single_pixel_clip_rectangle", @@ -181,6 +191,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = 0, .expected = { 0xFFF00000 }, }, + .mono_result = { + .dst_pitch = 0, + .expected = { 0b0 }, + }, }, { /* Well known colors: White, black, red, green, blue, magenta, @@ -293,6 +307,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0xFFFFFC00, 0xC00FFFFF, }, }, + .mono_result = { + .dst_pitch = 0, + .expected = { + 0b01, + 0b10, + 0b00, + 0b11, + }, + }, }, { /* Randomly picked colors. Full buffer within the clip area. */ @@ -392,6 +415,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0xEA20300C, 0xDB1705CD, 0xC3844672, 0x00000000, 0x00000000, }, }, + .mono_result = { + .dst_pitch = 2, + .expected = { + 0b000, 0b000, + 0b000, 0b000, + 0b000, 0b000, + }, + }, }, }; @@ -792,6 +823,36 @@ static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test) KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); } +static void drm_test_fb_xrgb8888_to_mono(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_mono_result *result = ¶ms->mono_result; + size_t dst_size; + u8 *buf = NULL; + __le32 *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_C1, 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 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_mono(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + 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), @@ -803,6 +864,7 @@ static struct kunit_case drm_format_helper_test_cases[] = { KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb8888, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb2101010, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_mono, convert_xrgb8888_gen_params), {} }; -- 2.39.2