From 93801b8c2d18546fdf807c8e3075e6df93960446 Mon Sep 17 00:00:00 2001 From: Cristian Ciocaltea Date: Tue, 24 Dec 2024 20:22:44 +0200 Subject: drm/tests: connector: Add ycbcr_420_allowed tests Extend HDMI connector output format tests to verify its registration succeeds only when the presence of YUV420 in the supported formats matches the state of ycbcr_420_allowed flag. Signed-off-by: Cristian Ciocaltea Reviewed-by: Dmitry Baryshkov Reviewed-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-4-a9ceb5671379@collabora.com Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/tests/drm_connector_test.c | 60 ++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index 6bba97d0be88..3d48d676e001 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -635,6 +635,64 @@ static void drm_test_connector_hdmi_init_formats_no_rgb(struct kunit *test) KUNIT_EXPECT_LT(test, ret, 0); } +struct drm_connector_hdmi_init_formats_yuv420_allowed_test { + unsigned long supported_formats; + bool yuv420_allowed; + int expected_result; +}; + +#define YUV420_ALLOWED_TEST(_formats, _allowed, _result) \ + { \ + .supported_formats = BIT(HDMI_COLORSPACE_RGB) | (_formats), \ + .yuv420_allowed = _allowed, \ + .expected_result = _result, \ + } + +static const struct drm_connector_hdmi_init_formats_yuv420_allowed_test +drm_connector_hdmi_init_formats_yuv420_allowed_tests[] = { + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV420), true, 0), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV420), false, -EINVAL), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV422), true, -EINVAL), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV422), false, 0), +}; + +static void +drm_connector_hdmi_init_formats_yuv420_allowed_desc(const struct drm_connector_hdmi_init_formats_yuv420_allowed_test *t, + char *desc) +{ + sprintf(desc, "supported_formats=0x%lx yuv420_allowed=%d", + t->supported_formats, t->yuv420_allowed); +} + +KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_formats_yuv420_allowed, + drm_connector_hdmi_init_formats_yuv420_allowed_tests, + drm_connector_hdmi_init_formats_yuv420_allowed_desc); + +/* + * Test that the registration of an HDMI connector succeeds only when + * the presence of YUV420 in the supported formats matches the value + * of the ycbcr_420_allowed flag. + */ +static void drm_test_connector_hdmi_init_formats_yuv420_allowed(struct kunit *test) +{ + const struct drm_connector_hdmi_init_formats_yuv420_allowed_test *params; + struct drm_connector_init_priv *priv = test->priv; + int ret; + + params = test->param_value; + priv->connector.ycbcr_420_allowed = params->yuv420_allowed; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + params->supported_formats, + 8); + KUNIT_EXPECT_EQ(test, ret, params->expected_result); +} + /* * Test that the registration of an HDMI connector with an HDMI * connector type succeeds. @@ -726,6 +784,8 @@ static struct kunit_case drmm_connector_hdmi_init_tests[] = { KUNIT_CASE(drm_test_connector_hdmi_init_bpc_null), KUNIT_CASE(drm_test_connector_hdmi_init_formats_empty), KUNIT_CASE(drm_test_connector_hdmi_init_formats_no_rgb), + KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_formats_yuv420_allowed, + drm_connector_hdmi_init_formats_yuv420_allowed_gen_params), KUNIT_CASE(drm_test_connector_hdmi_init_null_ddc), KUNIT_CASE(drm_test_connector_hdmi_init_null_product), KUNIT_CASE(drm_test_connector_hdmi_init_null_vendor), -- cgit v1.2.3