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-rw-r--r--drivers/gpu/drm/tests/drm_connector_test.c523
-rw-r--r--drivers/gpu/drm/tests/drm_dp_mst_helper_test.c17
-rw-r--r--drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c461
-rw-r--r--drivers/gpu/drm/tests/drm_kunit_edid.h102
-rw-r--r--drivers/gpu/drm/tests/drm_kunit_helpers.c3
5 files changed, 968 insertions, 138 deletions
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
index 6bba97d0be88..22e2d959eb31 100644
--- a/drivers/gpu/drm/tests/drm_connector_test.c
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -9,6 +9,7 @@
#include <drm/drm_connector.h>
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
+#include <drm/drm_file.h>
#include <drm/drm_kunit_helpers.h>
#include <drm/drm_modes.h>
@@ -181,6 +182,465 @@ static struct kunit_suite drmm_connector_init_test_suite = {
.test_cases = drmm_connector_init_tests,
};
+static const struct drm_connector_funcs dummy_dynamic_init_funcs = {
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .reset = drm_atomic_helper_connector_reset,
+ .destroy = drm_connector_cleanup,
+};
+
+/*
+ * Test that the initialization of a bog standard dynamic connector works
+ * as expected and doesn't report any error.
+ */
+static void drm_test_drm_connector_dynamic_init(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+}
+
+static void drm_test_connector_dynamic_init_cleanup(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+
+ drm_connector_cleanup(connector);
+}
+
+/*
+ * Test that the initialization of a dynamic connector without a DDC adapter
+ * doesn't report any error.
+ */
+static void drm_test_drm_connector_dynamic_init_null_ddc(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+}
+
+/*
+ * Test that the initialization of a dynamic connector doesn't add the
+ * connector to the connector list.
+ */
+static void drm_test_drm_connector_dynamic_init_not_added(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_PTR_EQ(test, connector->head.next, &connector->head);
+}
+
+static void test_connector_property(struct kunit *test,
+ struct drm_connector *connector,
+ const struct drm_property *expected_prop)
+{
+ struct drm_property *prop;
+ uint64_t val;
+ int ret;
+
+ KUNIT_ASSERT_NOT_NULL(test, expected_prop);
+ prop = drm_mode_obj_find_prop_id(&connector->base, expected_prop->base.id);
+ KUNIT_ASSERT_PTR_EQ_MSG(test, prop, expected_prop,
+ "Can't find property %s", expected_prop->name);
+
+ ret = drm_object_property_get_default_value(&connector->base, prop, &val);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+ KUNIT_EXPECT_EQ(test, val, 0);
+
+ /* TODO: Check property value in the connector state. */
+}
+
+/*
+ * Test that the initialization of a dynamic connector adds all the expected
+ * properties to it.
+ */
+static void drm_test_drm_connector_dynamic_init_properties(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_mode_config *config = &priv->drm.mode_config;
+ const struct drm_property *props[] = {
+ config->edid_property,
+ config->dpms_property,
+ config->link_status_property,
+ config->non_desktop_property,
+ config->tile_property,
+ config->prop_crtc_id,
+ };
+ int ret;
+ int i;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ for (i = 0; i < ARRAY_SIZE(props); i++)
+ test_connector_property(test, connector, props[i]);
+}
+
+/*
+ * Test that the initialization of a dynamic connector succeeds for all
+ * possible connector types.
+ */
+static void drm_test_drm_connector_dynamic_init_type_valid(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ unsigned int connector_type = *(unsigned int *)test->param_value;
+ int ret;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ connector_type,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+}
+
+/*
+ * Test that the initialization of a dynamic connector sets the expected name
+ * for it for all possible connector types.
+ */
+static void drm_test_drm_connector_dynamic_init_name(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ unsigned int connector_type = *(unsigned int *)test->param_value;
+ char expected_name[128];
+ int ret;
+
+ ret = drm_connector_dynamic_init(&priv->drm, connector,
+ &dummy_dynamic_init_funcs,
+ connector_type,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ snprintf(expected_name, sizeof(expected_name), "%s-%d",
+ drm_get_connector_type_name(connector_type), connector->connector_type_id);
+ KUNIT_ASSERT_STREQ(test, connector->name, expected_name);
+}
+
+static struct kunit_case drm_connector_dynamic_init_tests[] = {
+ KUNIT_CASE(drm_test_drm_connector_dynamic_init),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_init_null_ddc),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_init_not_added),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_init_properties),
+ KUNIT_CASE_PARAM(drm_test_drm_connector_dynamic_init_type_valid,
+ drm_connector_init_type_valid_gen_params),
+ KUNIT_CASE_PARAM(drm_test_drm_connector_dynamic_init_name,
+ drm_connector_init_type_valid_gen_params),
+ {}
+};
+
+static struct kunit_suite drm_connector_dynamic_init_test_suite = {
+ .name = "drm_connector_dynamic_init",
+ .init = drm_test_connector_init,
+ .exit = drm_test_connector_dynamic_init_cleanup,
+ .test_cases = drm_connector_dynamic_init_tests,
+};
+
+static int drm_test_connector_dynamic_register_early_init(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv;
+ int ret;
+
+ ret = drm_test_connector_init(test);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ priv = test->priv;
+
+ ret = drm_connector_dynamic_init(&priv->drm, &priv->connector,
+ &dummy_dynamic_init_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ return 0;
+}
+
+static void drm_test_connector_dynamic_register_early_cleanup(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+
+ drm_connector_unregister(connector);
+ drm_connector_put(connector);
+}
+
+/*
+ * Test that registration of a dynamic connector adds it to the connector list.
+ */
+static void drm_test_drm_connector_dynamic_register_early_on_list(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ KUNIT_ASSERT_TRUE(test, list_empty(&connector->head));
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ KUNIT_ASSERT_PTR_EQ(test, connector->head.next, &priv->drm.mode_config.connector_list);
+}
+
+/*
+ * Test that the registration of a dynamic connector before the drm device is
+ * registered results in deferring the connector's user interface registration.
+ */
+static void drm_test_drm_connector_dynamic_register_early_defer(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ KUNIT_ASSERT_EQ(test, connector->registration_state, DRM_CONNECTOR_INITIALIZING);
+}
+
+/*
+ * Test that the registration of a dynamic connector fails, if this is done before
+ * the connector is initialized.
+ */
+static void drm_test_drm_connector_dynamic_register_early_no_init(struct kunit *test)
+{
+ struct drm_connector *connector;
+ int ret;
+
+ connector = kunit_kzalloc(test, sizeof(*connector), GFP_KERNEL); /* auto freed */
+ KUNIT_ASSERT_NOT_NULL(test, connector);
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, -EINVAL);
+}
+
+/*
+ * Test that the registration of a dynamic connector before the drm device is
+ * registered results in deferring adding a mode object for the connector.
+ */
+static void drm_test_drm_connector_dynamic_register_early_no_mode_object(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_connector *tmp_connector;
+ int ret;
+
+ ret = drm_connector_dynamic_register(&priv->connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id);
+ KUNIT_ASSERT_NULL(test, tmp_connector);
+}
+
+static struct kunit_case drm_connector_dynamic_register_early_tests[] = {
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_on_list),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_defer),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_no_init),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_no_mode_object),
+ { }
+};
+
+static struct kunit_suite drm_connector_dynamic_register_early_test_suite = {
+ .name = "drm_connector_dynamic_register_early",
+ .init = drm_test_connector_dynamic_register_early_init,
+ .exit = drm_test_connector_dynamic_register_early_cleanup,
+ .test_cases = drm_connector_dynamic_register_early_tests,
+};
+
+static int drm_test_connector_dynamic_register_init(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv;
+ int ret;
+
+ ret = drm_test_connector_dynamic_register_early_init(test);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ priv = test->priv;
+
+ ret = drm_dev_register(priv->connector.dev, 0);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ return 0;
+}
+
+static void drm_test_connector_dynamic_register_cleanup(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_device *dev = priv->connector.dev;
+
+ drm_connector_unregister(&priv->connector);
+ drm_connector_put(&priv->connector);
+
+ drm_dev_unregister(dev);
+
+ drm_test_connector_dynamic_register_early_cleanup(test);
+}
+
+static void drm_test_drm_connector_dynamic_register_on_list(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ int ret;
+
+ KUNIT_ASSERT_TRUE(test, list_empty(&priv->connector.head));
+
+ ret = drm_connector_dynamic_register(&priv->connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ KUNIT_ASSERT_PTR_EQ(test, priv->connector.head.next, &priv->drm.mode_config.connector_list);
+}
+
+/*
+ * Test that the registration of a dynamic connector doesn't get deferred if
+ * this is done after the drm device is registered.
+ */
+static void drm_test_drm_connector_dynamic_register_no_defer(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ int ret;
+
+ KUNIT_ASSERT_EQ(test, priv->connector.registration_state, DRM_CONNECTOR_INITIALIZING);
+
+ ret = drm_connector_dynamic_register(&priv->connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ KUNIT_ASSERT_EQ(test, priv->connector.registration_state, DRM_CONNECTOR_REGISTERED);
+}
+
+/*
+ * Test that the registration of a dynamic connector fails if this is done after the
+ * drm device is registered, but before the connector is initialized.
+ */
+static void drm_test_drm_connector_dynamic_register_no_init(struct kunit *test)
+{
+ struct drm_connector *connector;
+ int ret;
+
+ connector = kunit_kzalloc(test, sizeof(*connector), GFP_KERNEL); /* auto freed */
+ KUNIT_ASSERT_NOT_NULL(test, connector);
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, -EINVAL);
+}
+
+/*
+ * Test that the registration of a dynamic connector after the drm device is
+ * registered adds the mode object for the connector.
+ */
+static void drm_test_drm_connector_dynamic_register_mode_object(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_connector *tmp_connector;
+ int ret;
+
+ tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id);
+ KUNIT_ASSERT_NULL(test, tmp_connector);
+
+ ret = drm_connector_dynamic_register(&priv->connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id);
+ KUNIT_ASSERT_PTR_EQ(test, tmp_connector, connector);
+}
+
+/*
+ * Test that the registration of a dynamic connector after the drm device is
+ * registered adds the connector to sysfs.
+ */
+static void drm_test_drm_connector_dynamic_register_sysfs(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ KUNIT_ASSERT_NULL(test, connector->kdev);
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ KUNIT_ASSERT_NOT_NULL(test, connector->kdev);
+}
+
+/*
+ * Test that the registration of a dynamic connector after the drm device is
+ * registered sets the connector's sysfs name as expected.
+ */
+static void drm_test_drm_connector_dynamic_register_sysfs_name(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ char expected_name[128];
+ int ret;
+
+ ret = drm_connector_dynamic_register(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ snprintf(expected_name, sizeof(expected_name), "card%d-%s",
+ connector->dev->primary->index, connector->name);
+
+ KUNIT_ASSERT_STREQ(test, dev_name(connector->kdev), expected_name);
+}
+
+/*
+ * Test that the registration of a dynamic connector after the drm device is
+ * registered adds the connector to debugfs.
+ */
+static void drm_test_drm_connector_dynamic_register_debugfs(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ int ret;
+
+ KUNIT_ASSERT_NULL(test, priv->connector.debugfs_entry);
+
+ ret = drm_connector_dynamic_register(&priv->connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ if (IS_ENABLED(CONFIG_DEBUG_FS))
+ KUNIT_ASSERT_NOT_NULL(test, priv->connector.debugfs_entry);
+ else
+ KUNIT_ASSERT_NULL(test, priv->connector.debugfs_entry);
+}
+
+static struct kunit_case drm_connector_dynamic_register_tests[] = {
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_on_list),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_no_defer),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_no_init),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_mode_object),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_sysfs),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_sysfs_name),
+ KUNIT_CASE(drm_test_drm_connector_dynamic_register_debugfs),
+ { }
+};
+
+static struct kunit_suite drm_connector_dynamic_register_test_suite = {
+ .name = "drm_connector_dynamic_register",
+ .init = drm_test_connector_dynamic_register_init,
+ .exit = drm_test_connector_dynamic_register_cleanup,
+ .test_cases = drm_connector_dynamic_register_tests,
+};
+
/*
* Test that the registration of a bog standard connector works as
* expected and doesn't report any error.
@@ -635,6 +1095,64 @@ 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 +1244,8 @@ 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),
@@ -1283,6 +1803,9 @@ static struct kunit_suite drm_hdmi_compute_mode_clock_test_suite = {
kunit_test_suites(
&drmm_connector_hdmi_init_test_suite,
&drmm_connector_init_test_suite,
+ &drm_connector_dynamic_init_test_suite,
+ &drm_connector_dynamic_register_early_test_suite,
+ &drm_connector_dynamic_register_test_suite,
&drm_connector_attach_broadcast_rgb_property_test_suite,
&drm_get_tv_mode_from_name_test_suite,
&drm_hdmi_compute_mode_clock_test_suite,
diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
index 89cd9e4f4d32..9e0e2fb65944 100644
--- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
@@ -199,10 +199,8 @@ static const struct drm_dp_mst_calc_pbn_div_test drm_dp_mst_calc_pbn_div_dp1_4_c
static void drm_test_dp_mst_calc_pbn_div(struct kunit *test)
{
const struct drm_dp_mst_calc_pbn_div_test *params = test->param_value;
- /* mgr->dev is only needed by drm_dbg_kms(), but it's not called for the test cases. */
- struct drm_dp_mst_topology_mgr *mgr = test->priv;
- KUNIT_EXPECT_EQ(test, drm_dp_get_vc_payload_bw(mgr, params->link_rate, params->lane_count).full,
+ KUNIT_EXPECT_EQ(test, drm_dp_get_vc_payload_bw(params->link_rate, params->lane_count).full,
params->expected.full);
}
@@ -568,21 +566,8 @@ static struct kunit_case drm_dp_mst_helper_tests[] = {
{ }
};
-static int drm_dp_mst_helper_tests_init(struct kunit *test)
-{
- struct drm_dp_mst_topology_mgr *mgr;
-
- mgr = kunit_kzalloc(test, sizeof(*mgr), GFP_KERNEL);
- KUNIT_ASSERT_NOT_ERR_OR_NULL(test, mgr);
-
- test->priv = mgr;
-
- return 0;
-}
-
static struct kunit_suite drm_dp_mst_helper_test_suite = {
.name = "drm_dp_mst_helper",
- .init = drm_dp_mst_helper_tests_init,
.test_cases = drm_dp_mst_helper_tests,
};
diff --git a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
index 294773342e71..b976a5e9aef5 100644
--- a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
@@ -46,7 +46,7 @@ static struct drm_display_mode *find_preferred_mode(struct drm_connector *connec
struct drm_display_mode *mode, *preferred;
mutex_lock(&drm->mode_config.mutex);
- preferred = list_first_entry(&connector->modes, struct drm_display_mode, head);
+ preferred = list_first_entry_or_null(&connector->modes, struct drm_display_mode, head);
list_for_each_entry(mode, &connector->modes, head)
if (mode->type & DRM_MODE_TYPE_PREFERRED)
preferred = mode;
@@ -105,9 +105,8 @@ static int set_connector_edid(struct kunit *test, struct drm_connector *connecto
mutex_lock(&drm->mode_config.mutex);
ret = connector->funcs->fill_modes(connector, 4096, 4096);
mutex_unlock(&drm->mode_config.mutex);
- KUNIT_ASSERT_GT(test, ret, 0);
- return 0;
+ return ret;
}
static const struct drm_connector_hdmi_funcs dummy_connector_hdmi_funcs = {
@@ -125,6 +124,18 @@ static const struct drm_connector_hdmi_funcs reject_connector_hdmi_funcs = {
.tmds_char_rate_valid = reject_connector_tmds_char_rate_valid,
};
+static enum drm_mode_status
+reject_100MHz_connector_tmds_char_rate_valid(const struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ unsigned long long tmds_rate)
+{
+ return (tmds_rate > 100ULL * 1000 * 1000) ? MODE_BAD : MODE_OK;
+}
+
+static const struct drm_connector_hdmi_funcs reject_100_MHz_connector_hdmi_funcs = {
+ .tmds_char_rate_valid = reject_100MHz_connector_tmds_char_rate_valid,
+};
+
static int dummy_connector_get_modes(struct drm_connector *connector)
{
struct drm_atomic_helper_connector_hdmi_priv *priv =
@@ -147,6 +158,7 @@ static int dummy_connector_get_modes(struct drm_connector *connector)
static const struct drm_connector_helper_funcs dummy_connector_helper_funcs = {
.atomic_check = drm_atomic_helper_connector_hdmi_check,
.get_modes = dummy_connector_get_modes,
+ .mode_valid = drm_hdmi_connector_mode_valid,
};
static void dummy_hdmi_connector_reset(struct drm_connector *connector)
@@ -164,9 +176,10 @@ static const struct drm_connector_funcs dummy_connector_funcs = {
static
struct drm_atomic_helper_connector_hdmi_priv *
-drm_atomic_helper_connector_hdmi_init(struct kunit *test,
- unsigned int formats,
- unsigned int max_bpc)
+drm_kunit_helper_connector_hdmi_init_funcs(struct kunit *test,
+ unsigned int formats,
+ unsigned int max_bpc,
+ const struct drm_connector_hdmi_funcs *hdmi_funcs)
{
struct drm_atomic_helper_connector_hdmi_priv *priv;
struct drm_connector *conn;
@@ -208,7 +221,7 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test,
ret = drmm_connector_hdmi_init(drm, conn,
"Vendor", "Product",
&dummy_connector_funcs,
- &dummy_connector_hdmi_funcs,
+ hdmi_funcs,
DRM_MODE_CONNECTOR_HDMIA,
NULL,
formats,
@@ -220,10 +233,27 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test,
drm_mode_config_reset(drm);
- ret = set_connector_edid(test, conn,
+ return priv;
+}
+
+static
+struct drm_atomic_helper_connector_hdmi_priv *
+drm_kunit_helper_connector_hdmi_init(struct kunit *test,
+ unsigned int formats,
+ unsigned int max_bpc)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ int ret;
+
+ priv = drm_kunit_helper_connector_hdmi_init_funcs(test,
+ formats, max_bpc,
+ &dummy_connector_hdmi_funcs);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv);
+
+ ret = set_connector_edid(test, &priv->connector,
test_edid_hdmi_1080p_rgb_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
return priv;
}
@@ -247,9 +277,9 @@ static void drm_test_check_broadcast_rgb_crtc_mode_changed(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
@@ -310,9 +340,9 @@ static void drm_test_check_broadcast_rgb_crtc_mode_not_changed(struct kunit *tes
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
@@ -373,9 +403,9 @@ static void drm_test_check_broadcast_rgb_auto_cea_mode(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -429,9 +459,9 @@ static void drm_test_check_broadcast_rgb_auto_cea_mode_vic_1(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
drm = &priv->drm;
@@ -485,9 +515,9 @@ static void drm_test_check_broadcast_rgb_full_cea_mode(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -543,9 +573,9 @@ static void drm_test_check_broadcast_rgb_full_cea_mode_vic_1(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
drm = &priv->drm;
@@ -601,9 +631,9 @@ static void drm_test_check_broadcast_rgb_limited_cea_mode(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -659,9 +689,9 @@ static void drm_test_check_broadcast_rgb_limited_cea_mode_vic_1(struct kunit *te
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
drm = &priv->drm;
@@ -719,16 +749,16 @@ static void drm_test_check_output_bpc_crtc_mode_changed(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 10);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 10);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -793,16 +823,16 @@ static void drm_test_check_output_bpc_crtc_mode_not_changed(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 10);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 10);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -862,18 +892,18 @@ static void drm_test_check_output_bpc_dvi(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_dvi_1080p,
ARRAY_SIZE(test_edid_dvi_1080p));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_FALSE(test, info->is_hdmi);
@@ -911,16 +941,16 @@ static void drm_test_check_tmds_char_rate_rgb_8bpc(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -958,16 +988,16 @@ static void drm_test_check_tmds_char_rate_rgb_10bpc(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 10);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 10);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -1005,16 +1035,16 @@ static void drm_test_check_tmds_char_rate_rgb_12bpc(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -1056,9 +1086,9 @@ static void drm_test_check_hdmi_funcs_reject_rate(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
ctx = drm_kunit_helper_acquire_ctx_alloc(test);
@@ -1112,16 +1142,16 @@ static void drm_test_check_max_tmds_rate_bpc_fallback(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1179,18 +1209,18 @@ static void drm_test_check_max_tmds_rate_format_fallback(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1242,11 +1272,11 @@ static void drm_test_check_output_bpc_format_vic_1(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
drm = &priv->drm;
@@ -1254,7 +1284,7 @@ static void drm_test_check_output_bpc_format_vic_1(struct kunit *test)
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1305,16 +1335,16 @@ static void drm_test_check_output_bpc_format_driver_rgb_only(struct kunit *test)
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1370,18 +1400,18 @@ static void drm_test_check_output_bpc_format_display_rgb_only(struct kunit *test
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_max_200mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1438,16 +1468,16 @@ static void drm_test_check_output_bpc_format_driver_8bpc_only(struct kunit *test
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1496,18 +1526,18 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
struct drm_crtc *crtc;
int ret;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
ret = set_connector_edid(test, conn,
test_edid_hdmi_1080p_rgb_max_340mhz,
ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_340mhz));
- KUNIT_ASSERT_EQ(test, ret, 0);
+ KUNIT_ASSERT_GT(test, ret, 0);
info = &conn->display_info;
KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1538,6 +1568,57 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_RGB);
}
+/* Test that atomic check succeeds when disabling a connector. */
+static void drm_test_check_disable_connector(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_modeset_acquire_ctx *ctx;
+ struct drm_connector_state *conn_state;
+ struct drm_crtc_state *crtc_state;
+ struct drm_atomic_state *state;
+ struct drm_display_mode *preferred;
+ struct drm_connector *conn;
+ struct drm_device *drm;
+ struct drm_crtc *crtc;
+ int ret;
+
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+ conn = &priv->connector;
+ preferred = find_preferred_mode(conn);
+ KUNIT_ASSERT_NOT_NULL(test, preferred);
+
+ drm = &priv->drm;
+ crtc = priv->crtc;
+ ret = light_up_connector(test, drm, crtc, conn, preferred, ctx);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ state = drm_kunit_helper_atomic_state_alloc(test, drm, ctx);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, state);
+
+ crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);
+
+ crtc_state->active = false;
+ ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ conn_state = drm_atomic_get_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+ ret = drm_atomic_set_crtc_for_connector(conn_state, NULL);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ ret = drm_atomic_check_only(state);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+}
+
static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = {
KUNIT_CASE(drm_test_check_broadcast_rgb_auto_cea_mode),
KUNIT_CASE(drm_test_check_broadcast_rgb_auto_cea_mode_vic_1),
@@ -1552,6 +1633,7 @@ static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = {
*/
KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_changed),
KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_not_changed),
+ KUNIT_CASE(drm_test_check_disable_connector),
KUNIT_CASE(drm_test_check_hdmi_funcs_reject_rate),
KUNIT_CASE(drm_test_check_max_tmds_rate_bpc_fallback),
KUNIT_CASE(drm_test_check_max_tmds_rate_format_fallback),
@@ -1593,9 +1675,9 @@ static void drm_test_check_broadcast_rgb_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1615,9 +1697,9 @@ static void drm_test_check_bpc_8_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1639,9 +1721,9 @@ static void drm_test_check_bpc_10_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 10);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 10);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1663,9 +1745,9 @@ static void drm_test_check_bpc_12_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1685,11 +1767,11 @@ static void drm_test_check_format_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 8);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 8);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1707,11 +1789,11 @@ static void drm_test_check_tmds_char_value(struct kunit *test)
struct drm_connector_state *conn_state;
struct drm_connector *conn;
- priv = drm_atomic_helper_connector_hdmi_init(test,
- BIT(HDMI_COLORSPACE_RGB) |
- BIT(HDMI_COLORSPACE_YUV422) |
- BIT(HDMI_COLORSPACE_YUV444),
- 12);
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB) |
+ BIT(HDMI_COLORSPACE_YUV422) |
+ BIT(HDMI_COLORSPACE_YUV444),
+ 12);
KUNIT_ASSERT_NOT_NULL(test, priv);
conn = &priv->connector;
@@ -1734,9 +1816,148 @@ static struct kunit_suite drm_atomic_helper_connector_hdmi_reset_test_suite = {
.test_cases = drm_atomic_helper_connector_hdmi_reset_tests,
};
+/*
+ * Test that the default behaviour for drm_hdmi_connector_mode_valid() is not
+ * to reject any modes. Pass a correct EDID and verify that preferred mode
+ * matches the expectations (1080p).
+ */
+static void drm_test_check_mode_valid(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector *conn;
+ struct drm_display_mode *preferred;
+
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ conn = &priv->connector;
+ preferred = find_preferred_mode(conn);
+ KUNIT_ASSERT_NOT_NULL(test, preferred);
+
+ KUNIT_EXPECT_EQ(test, preferred->hdisplay, 1920);
+ KUNIT_EXPECT_EQ(test, preferred->vdisplay, 1080);
+ KUNIT_EXPECT_EQ(test, preferred->clock, 148500);
+}
+
+/*
+ * Test that the drm_hdmi_connector_mode_valid() will reject modes depending on
+ * the .tmds_char_rate_valid() behaviour.
+ * Pass a correct EDID and verify that high-rate modes are filtered.
+ */
+static void drm_test_check_mode_valid_reject_rate(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector *conn;
+ struct drm_display_mode *preferred;
+ int ret;
+
+ priv = drm_kunit_helper_connector_hdmi_init_funcs(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8,
+ &reject_100_MHz_connector_hdmi_funcs);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ conn = &priv->connector;
+
+ ret = set_connector_edid(test, conn,
+ test_edid_hdmi_1080p_rgb_max_200mhz,
+ ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
+ KUNIT_ASSERT_GT(test, ret, 0);
+
+ /*
+ * Unlike the drm_test_check_mode_valid() here 1080p is rejected, but
+ * 480p is allowed.
+ */
+ preferred = find_preferred_mode(conn);
+ KUNIT_ASSERT_NOT_NULL(test, preferred);
+ KUNIT_EXPECT_EQ(test, preferred->hdisplay, 640);
+ KUNIT_EXPECT_EQ(test, preferred->vdisplay, 480);
+ KUNIT_EXPECT_EQ(test, preferred->clock, 25200);
+}
+
+/*
+ * Test that the drm_hdmi_connector_mode_valid() will not mark any modes as
+ * valid if .tmds_char_rate_valid() rejects all of them. Pass a correct EDID
+ * and verify that there is no preferred mode and no modes were set for the
+ * connector.
+ */
+static void drm_test_check_mode_valid_reject(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector *conn;
+ struct drm_display_mode *preferred;
+ int ret;
+
+ priv = drm_kunit_helper_connector_hdmi_init_funcs(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8,
+ &reject_connector_hdmi_funcs);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ conn = &priv->connector;
+
+ /* should reject all modes */
+ ret = set_connector_edid(test, conn,
+ test_edid_hdmi_1080p_rgb_max_200mhz,
+ ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ preferred = find_preferred_mode(conn);
+ KUNIT_ASSERT_NULL(test, preferred);
+}
+
+/*
+ * Test that the drm_hdmi_connector_mode_valid() will reject modes that don't
+ * pass the info.max_tmds_clock filter. Pass crafted EDID and verify that
+ * high-rate modes are filtered.
+ */
+static void drm_test_check_mode_valid_reject_max_clock(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector *conn;
+ struct drm_display_mode *preferred;
+ int ret;
+
+ priv = drm_kunit_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ conn = &priv->connector;
+
+ ret = set_connector_edid(test, conn,
+ test_edid_hdmi_1080p_rgb_max_100mhz,
+ ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_100mhz));
+ KUNIT_ASSERT_GT(test, ret, 0);
+
+ KUNIT_ASSERT_EQ(test, conn->display_info.max_tmds_clock, 100 * 1000);
+
+ preferred = find_preferred_mode(conn);
+ KUNIT_ASSERT_NOT_NULL(test, preferred);
+ KUNIT_EXPECT_EQ(test, preferred->hdisplay, 640);
+ KUNIT_EXPECT_EQ(test, preferred->vdisplay, 480);
+ KUNIT_EXPECT_EQ(test, preferred->clock, 25200);
+}
+
+static struct kunit_case drm_atomic_helper_connector_hdmi_mode_valid_tests[] = {
+ KUNIT_CASE(drm_test_check_mode_valid),
+ KUNIT_CASE(drm_test_check_mode_valid_reject),
+ KUNIT_CASE(drm_test_check_mode_valid_reject_rate),
+ KUNIT_CASE(drm_test_check_mode_valid_reject_max_clock),
+ { }
+};
+
+static struct kunit_suite drm_atomic_helper_connector_hdmi_mode_valid_test_suite = {
+ .name = "drm_atomic_helper_connector_hdmi_mode_valid",
+ .test_cases = drm_atomic_helper_connector_hdmi_mode_valid_tests,
+};
+
kunit_test_suites(
&drm_atomic_helper_connector_hdmi_check_test_suite,
&drm_atomic_helper_connector_hdmi_reset_test_suite,
+ &drm_atomic_helper_connector_hdmi_mode_valid_test_suite,
);
MODULE_AUTHOR("Maxime Ripard <mripard@kernel.org>");
diff --git a/drivers/gpu/drm/tests/drm_kunit_edid.h b/drivers/gpu/drm/tests/drm_kunit_edid.h
index 107559900e97..6358397a5d7a 100644
--- a/drivers/gpu/drm/tests/drm_kunit_edid.h
+++ b/drivers/gpu/drm/tests/drm_kunit_edid.h
@@ -74,6 +74,108 @@ static const unsigned char test_edid_dvi_1080p[] = {
* 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 92
*
* 02 03 1b 81 e3 05 00 20 41 10 e2 00 4a 6d 03 0c
+ * 00 12 34 00 14 20 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e4
+ *
+ * ----------------
+ *
+ * Block 0, Base EDID:
+ * EDID Structure Version & Revision: 1.3
+ * Vendor & Product Identification:
+ * Manufacturer: LNX
+ * Model: 42
+ * Made in: 2023
+ * Basic Display Parameters & Features:
+ * Digital display
+ * DFP 1.x compatible TMDS
+ * Maximum image size: 160 cm x 90 cm
+ * Gamma: 2.20
+ * Monochrome or grayscale display
+ * First detailed timing is the preferred timing
+ * Color Characteristics:
+ * Red : 0.0000, 0.0000
+ * Green: 0.0000, 0.0000
+ * Blue : 0.0000, 0.0000
+ * White: 0.0000, 0.0000
+ * Established Timings I & II:
+ * DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
+ * Standard Timings: none
+ * Detailed Timing Descriptors:
+ * DTD 1: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz (1600 mm x 900 mm)
+ * Hfront 88 Hsync 44 Hback 148 Hpol P
+ * Vfront 4 Vsync 5 Vback 36 Vpol P
+ * Display Product Name: 'Test EDID'
+ * Display Range Limits:
+ * Monitor ranges (GTF): 50-70 Hz V, 30-70 kHz H, max dotclock 150 MHz
+ * Dummy Descriptor:
+ * Extension blocks: 1
+ * Checksum: 0x92
+ *
+ * ----------------
+ *
+ * Block 1, CTA-861 Extension Block:
+ * Revision: 3
+ * Underscans IT Video Formats by default
+ * Native detailed modes: 1
+ * Colorimetry Data Block:
+ * sRGB
+ * Video Data Block:
+ * VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz
+ * Video Capability Data Block:
+ * YCbCr quantization: No Data
+ * RGB quantization: Selectable (via AVI Q)
+ * PT scan behavior: No Data
+ * IT scan behavior: Always Underscanned
+ * CE scan behavior: Always Underscanned
+ * Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
+ * Source physical address: 1.2.3.4
+ * Maximum TMDS clock: 100 MHz
+ * Extended HDMI video details:
+ * Checksum: 0xe4 Unused space in Extension Block: 100 bytes
+ */
+static const unsigned char test_edid_hdmi_1080p_rgb_max_100mhz[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x31, 0xd8, 0x2a, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x01, 0x03, 0x81, 0xa0, 0x5a, 0x78,
+ 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
+ 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38,
+ 0x2d, 0x40, 0x58, 0x2c, 0x45, 0x00, 0x40, 0x84, 0x63, 0x00, 0x00, 0x1e,
+ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x44,
+ 0x49, 0x44, 0x0a, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x32,
+ 0x46, 0x00, 0x00, 0xc4, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x41, 0x02, 0x03, 0x1b, 0x81,
+ 0xe3, 0x05, 0x00, 0x20, 0x41, 0x10, 0xe2, 0x00, 0x4a, 0x6d, 0x03, 0x0c,
+ 0x00, 0x12, 0x34, 0x00, 0x14, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xe4
+};
+
+/*
+ * edid-decode (hex):
+ *
+ * 00 ff ff ff ff ff ff 00 31 d8 2a 00 00 00 00 00
+ * 00 21 01 03 81 a0 5a 78 02 00 00 00 00 00 00 00
+ * 00 00 00 20 00 00 01 01 01 01 01 01 01 01 01 01
+ * 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c
+ * 45 00 40 84 63 00 00 1e 00 00 00 fc 00 54 65 73
+ * 74 20 45 44 49 44 0a 20 20 20 00 00 00 fd 00 32
+ * 46 1e 46 0f 00 0a 20 20 20 20 20 20 00 00 00 10
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 92
+ *
+ * 02 03 1b 81 e3 05 00 20 41 10 e2 00 4a 6d 03 0c
* 00 12 34 00 28 20 00 00 00 00 00 00 00 00 00 00
* 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.c b/drivers/gpu/drm/tests/drm_kunit_helpers.c
index 04a6b8cc62ac..3c0b7824c0be 100644
--- a/drivers/gpu/drm/tests/drm_kunit_helpers.c
+++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c
@@ -320,8 +320,7 @@ static void kunit_action_drm_mode_destroy(void *ptr)
}
/**
- * drm_kunit_display_mode_from_cea_vic() - return a mode for CEA VIC
- for a KUnit test
+ * drm_kunit_display_mode_from_cea_vic() - return a mode for CEA VIC for a KUnit test
* @test: The test context object
* @dev: DRM device
* @video_code: CEA VIC of the mode
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-30 16:22:47 +0100