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Message-Id: <20240527-kms-hdmi-connector-state-v15-2-c5af16c3aae2@kernel.org>
Date: Mon, 27 May 2024 15:57:51 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Jonathan Corbet <corbet@....net>,
Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>, Andy Yan <andy.yan@...k-chips.com>
Cc: Hans Verkuil <hverkuil@...all.nl>,
Sebastian Wick <sebastian.wick@...hat.com>,
Ville Syrjälä <ville.syrjala@...ux.intel.com>,
dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, Maxime Ripard <mripard@...nel.org>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH v15 02/29] drm/tests: connector: Add tests for
drmm_connector_hdmi_init
We just introduced a new initialization function for our connectors, so
let's build a kunit test suite for it as well.
Reviewed-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
drivers/gpu/drm/tests/drm_connector_test.c | 123 +++++++++++++++++++++++++++++
1 file changed, 123 insertions(+)
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
index 44f82ed2a958..261d4109946d 100644
--- a/drivers/gpu/drm/tests/drm_connector_test.c
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -170,10 +170,132 @@ static struct kunit_suite drmm_connector_init_test_suite = {
.name = "drmm_connector_init",
.init = drm_test_connector_init,
.test_cases = drmm_connector_init_tests,
};
+/*
+ * Test that the registration of a bog standard connector works as
+ * expected and doesn't report any error.
+ */
+static void drm_test_connector_hdmi_init_valid(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ int ret;
+
+ ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector,
+ &dummy_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ &priv->ddc);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+/*
+ * Test that the registration of a connector without a DDC adapter
+ * doesn't report any error.
+ */
+static void drm_test_connector_hdmi_init_null_ddc(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ int ret;
+
+ ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector,
+ &dummy_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ NULL);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+/*
+ * Test that the registration of an HDMI connector with an HDMI
+ * connector type succeeds.
+ */
+static void drm_test_connector_hdmi_init_type_valid(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ unsigned int connector_type = *(unsigned int *)test->param_value;
+ int ret;
+
+ ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector,
+ &dummy_funcs,
+ connector_type,
+ &priv->ddc);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+static const unsigned int drm_connector_hdmi_init_type_valid_tests[] = {
+ DRM_MODE_CONNECTOR_HDMIA,
+ DRM_MODE_CONNECTOR_HDMIB,
+};
+
+static void drm_connector_hdmi_init_type_desc(const unsigned int *type, char *desc)
+{
+ sprintf(desc, "%s", drm_get_connector_type_name(*type));
+}
+
+KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_valid,
+ drm_connector_hdmi_init_type_valid_tests,
+ drm_connector_hdmi_init_type_desc);
+
+/*
+ * Test that the registration of an HDMI connector with an !HDMI
+ * connector type fails.
+ */
+static void drm_test_connector_hdmi_init_type_invalid(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ unsigned int connector_type = *(unsigned int *)test->param_value;
+ int ret;
+
+ ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector,
+ &dummy_funcs,
+ connector_type,
+ &priv->ddc);
+ KUNIT_EXPECT_LT(test, ret, 0);
+}
+
+static const unsigned int drm_connector_hdmi_init_type_invalid_tests[] = {
+ DRM_MODE_CONNECTOR_Unknown,
+ DRM_MODE_CONNECTOR_VGA,
+ DRM_MODE_CONNECTOR_DVII,
+ DRM_MODE_CONNECTOR_DVID,
+ DRM_MODE_CONNECTOR_DVIA,
+ DRM_MODE_CONNECTOR_Composite,
+ DRM_MODE_CONNECTOR_SVIDEO,
+ DRM_MODE_CONNECTOR_LVDS,
+ DRM_MODE_CONNECTOR_Component,
+ DRM_MODE_CONNECTOR_9PinDIN,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ DRM_MODE_CONNECTOR_TV,
+ DRM_MODE_CONNECTOR_eDP,
+ DRM_MODE_CONNECTOR_VIRTUAL,
+ DRM_MODE_CONNECTOR_DSI,
+ DRM_MODE_CONNECTOR_DPI,
+ DRM_MODE_CONNECTOR_WRITEBACK,
+ DRM_MODE_CONNECTOR_SPI,
+ DRM_MODE_CONNECTOR_USB,
+};
+
+KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_invalid,
+ drm_connector_hdmi_init_type_invalid_tests,
+ drm_connector_hdmi_init_type_desc);
+
+static struct kunit_case drmm_connector_hdmi_init_tests[] = {
+ KUNIT_CASE(drm_test_connector_hdmi_init_valid),
+ KUNIT_CASE(drm_test_connector_hdmi_init_null_ddc),
+ KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_valid,
+ drm_connector_hdmi_init_type_valid_gen_params),
+ KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_invalid,
+ drm_connector_hdmi_init_type_invalid_gen_params),
+ { }
+};
+
+static struct kunit_suite drmm_connector_hdmi_init_test_suite = {
+ .name = "drmm_connector_hdmi_init",
+ .init = drm_test_connector_init,
+ .test_cases = drmm_connector_hdmi_init_tests,
+};
+
struct drm_get_tv_mode_from_name_test {
const char *name;
enum drm_connector_tv_mode expected_mode;
};
@@ -234,10 +356,11 @@ static struct kunit_suite drm_get_tv_mode_from_name_test_suite = {
.name = "drm_get_tv_mode_from_name",
.test_cases = drm_get_tv_mode_from_name_tests,
};
kunit_test_suites(
+ &drmm_connector_hdmi_init_test_suite,
&drmm_connector_init_test_suite,
&drm_get_tv_mode_from_name_test_suite
);
MODULE_AUTHOR("Maxime Ripard <maxime@...no.tech>");
--
2.45.0
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