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drm/tests: connector: Add ycbcr_420_allowed tests

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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 <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-4-a9ceb5671379@collabora.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Cristian Ciocaltea 2024-12-24 20:22:44 +02:00 committed by Dmitry Baryshkov
parent f2f9661959
commit 93801b8c2d
1 changed files with 60 additions and 0 deletions
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60
drivers/gpu/drm/tests/drm_connector_test.c
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@ -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),