From: Maxime Ripard <mripard@kernel.org>
To: "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Jonathan Corbet" <corbet@lwn.net>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>, "Chen-Yu Tsai" <wens@csie.org>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Samuel Holland" <samuel@sholland.org>
Cc: "Hans Verkuil" <hverkuil@xs4all.nl>,
"Sebastian Wick" <sebastian.wick@redhat.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev,
"Maxime Ripard" <mripard@kernel.org>,
"Dave Stevenson" <dave.stevenson@raspberrypi.com>
Subject: [PATCH v10 17/27] drm/tests: Add tests for Broadcast RGB property
Date: Thu, 21 Mar 2024 16:29:13 +0100 [thread overview]
Message-ID: <20240321-kms-hdmi-connector-state-v10-17-e6c178361898@kernel.org> (raw)
In-Reply-To: <20240321-kms-hdmi-connector-state-v10-0-e6c178361898@kernel.org>
This had a bunch of kunit tests to make sure our code to handle the
Broadcast RGB property behaves properly.
This requires bringing a bit of infrastructure to create mock HDMI
connectors, with custom EDIDs.
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
.../gpu/drm/tests/drm_atomic_state_helper_test.c | 151 +++++++++++++++++++++
drivers/gpu/drm/tests/drm_connector_test.c | 116 ++++++++++++++++
2 files changed, 267 insertions(+)
diff --git a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
index da8a1840ff47..9f500a0bf8a8 100644
--- a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
@@ -222,10 +222,138 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test,
KUNIT_ASSERT_EQ(test, ret, 0);
return priv;
}
+/*
+ * Test that if we change the RGB quantization property to a different
+ * value, we trigger a mode change on the connector's CRTC, which will
+ * in turn disable/enable the connector.
+ */
+static void drm_test_check_broadcast_rgb_crtc_mode_changed(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_modeset_acquire_ctx *ctx;
+ struct drm_connector_state *old_conn_state;
+ struct drm_connector_state *new_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_atomic_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);
+
+ new_conn_state = drm_atomic_get_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, new_conn_state);
+
+ old_conn_state = drm_atomic_get_old_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, old_conn_state);
+
+ new_conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_FULL;
+
+ KUNIT_ASSERT_NE(test,
+ old_conn_state->hdmi.broadcast_rgb,
+ new_conn_state->hdmi.broadcast_rgb);
+
+ ret = drm_atomic_check_only(state);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ new_conn_state = drm_atomic_get_new_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, new_conn_state);
+ KUNIT_EXPECT_EQ(test, new_conn_state->hdmi.broadcast_rgb, DRM_HDMI_BROADCAST_RGB_FULL);
+
+ crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);
+ KUNIT_EXPECT_TRUE(test, crtc_state->mode_changed);
+}
+
+/*
+ * Test that if we set the RGB quantization property to the same value,
+ * we don't trigger a mode change on the connector's CRTC and leave the
+ * connector unaffected.
+ */
+static void drm_test_check_broadcast_rgb_crtc_mode_not_changed(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_modeset_acquire_ctx *ctx;
+ struct drm_connector_state *old_conn_state;
+ struct drm_connector_state *new_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_atomic_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);
+
+ new_conn_state = drm_atomic_get_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, new_conn_state);
+
+ old_conn_state = drm_atomic_get_old_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, old_conn_state);
+
+ new_conn_state->hdmi.broadcast_rgb = old_conn_state->hdmi.broadcast_rgb;
+
+ ret = drm_atomic_check_only(state);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ old_conn_state = drm_atomic_get_old_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, old_conn_state);
+
+ new_conn_state = drm_atomic_get_new_connector_state(state, conn);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, new_conn_state);
+
+ KUNIT_EXPECT_EQ(test,
+ old_conn_state->hdmi.broadcast_rgb,
+ new_conn_state->hdmi.broadcast_rgb);
+
+ crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);
+ KUNIT_EXPECT_FALSE(test, crtc_state->mode_changed);
+}
+
/*
* Test that if we change the maximum bpc property to a different value,
* we trigger a mode change on the connector's CRTC, which will in turn
* disable/enable the connector.
*/
@@ -1060,10 +1188,12 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_bpc, 8);
KUNIT_EXPECT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_RGB);
}
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_hdmi_funcs_reject_rate),
KUNIT_CASE(drm_test_check_max_tmds_rate_bpc_fallback),
KUNIT_CASE(drm_test_check_max_tmds_rate_format_fallback),
KUNIT_CASE(drm_test_check_output_bpc_crtc_mode_changed),
KUNIT_CASE(drm_test_check_output_bpc_crtc_mode_not_changed),
@@ -1091,10 +1221,30 @@ static struct kunit_case drm_atomic_helper_connector_hdmi_check_tests[] = {
static struct kunit_suite drm_atomic_helper_connector_hdmi_check_test_suite = {
.name = "drm_atomic_helper_connector_hdmi_check",
.test_cases = drm_atomic_helper_connector_hdmi_check_tests,
};
+/*
+ * Test that the value of the Broadcast RGB property out of reset is set
+ * to auto.
+ */
+static void drm_test_check_broadcast_rgb_value(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector_state *conn_state;
+ struct drm_connector *conn;
+
+ priv = drm_atomic_helper_connector_hdmi_init(test,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ conn = &priv->connector;
+ conn_state = conn->state;
+ KUNIT_EXPECT_EQ(test, conn_state->hdmi.broadcast_rgb, DRM_HDMI_BROADCAST_RGB_AUTO);
+}
+
/*
* Test that if the connector was initialised with a maximum bpc of 8,
* the value of the max_bpc and max_requested_bpc properties out of
* reset are also set to 8, and output_bpc is set to 0 and will be
* filled at atomic_check time.
@@ -1208,10 +1358,11 @@ static void drm_test_check_tmds_char_value(struct kunit *test)
conn_state = conn->state;
KUNIT_EXPECT_EQ(test, conn_state->hdmi.tmds_char_rate, 0);
}
static struct kunit_case drm_atomic_helper_connector_hdmi_reset_tests[] = {
+ KUNIT_CASE(drm_test_check_broadcast_rgb_value),
KUNIT_CASE(drm_test_check_bpc_8_value),
KUNIT_CASE(drm_test_check_bpc_10_value),
KUNIT_CASE(drm_test_check_bpc_12_value),
KUNIT_CASE(drm_test_check_format_value),
KUNIT_CASE(drm_test_check_tmds_char_value),
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
index ac4b8d00e992..d5320a089887 100644
--- a/drivers/gpu/drm/tests/drm_connector_test.c
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -562,10 +562,67 @@ static struct kunit_case drm_get_tv_mode_from_name_tests[] = {
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,
};
+struct drm_hdmi_connector_get_broadcast_rgb_name_test {
+ unsigned int kind;
+ const char *expected_name;
+};
+
+#define BROADCAST_RGB_TEST(_kind, _name) \
+ { \
+ .kind = _kind, \
+ .expected_name = _name, \
+ }
+
+static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name(struct kunit *test)
+{
+ const struct drm_hdmi_connector_get_broadcast_rgb_name_test *params =
+ test->param_value;
+
+ KUNIT_EXPECT_STREQ(test,
+ drm_hdmi_connector_get_broadcast_rgb_name(params->kind),
+ params->expected_name);
+}
+
+static const
+struct drm_hdmi_connector_get_broadcast_rgb_name_test
+drm_hdmi_connector_get_broadcast_rgb_name_valid_tests[] = {
+ BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_AUTO, "Automatic"),
+ BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_FULL, "Full"),
+ BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_LIMITED, "Limited 16:235"),
+};
+
+static void
+drm_hdmi_connector_get_broadcast_rgb_name_valid_desc(const struct drm_hdmi_connector_get_broadcast_rgb_name_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->expected_name);
+}
+
+KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_broadcast_rgb_name_valid,
+ drm_hdmi_connector_get_broadcast_rgb_name_valid_tests,
+ drm_hdmi_connector_get_broadcast_rgb_name_valid_desc);
+
+static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid(struct kunit *test)
+{
+ KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_broadcast_rgb_name(3));
+};
+
+static struct kunit_case drm_hdmi_connector_get_broadcast_rgb_name_tests[] = {
+ KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_broadcast_rgb_name,
+ drm_hdmi_connector_get_broadcast_rgb_name_valid_gen_params),
+ KUNIT_CASE(drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid),
+ { }
+};
+
+static struct kunit_suite drm_hdmi_connector_get_broadcast_rgb_name_test_suite = {
+ .name = "drm_hdmi_connector_get_broadcast_rgb_name",
+ .test_cases = drm_hdmi_connector_get_broadcast_rgb_name_tests,
+};
+
struct drm_hdmi_connector_get_output_format_name_test {
unsigned int kind;
const char *expected_name;
};
@@ -620,10 +677,67 @@ static struct kunit_case drm_hdmi_connector_get_output_format_name_tests[] = {
static struct kunit_suite drm_hdmi_connector_get_output_format_name_test_suite = {
.name = "drm_hdmi_connector_get_output_format_name",
.test_cases = drm_hdmi_connector_get_output_format_name_tests,
};
+static void drm_test_drm_connector_attach_broadcast_rgb_property(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_property *prop;
+ int ret;
+
+ ret = drmm_connector_init(&priv->drm, connector,
+ &dummy_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ &priv->ddc);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ ret = drm_connector_attach_broadcast_rgb_property(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ prop = connector->broadcast_rgb_property;
+ KUNIT_ASSERT_NOT_NULL(test, prop);
+ KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id));
+}
+
+static void drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector(struct kunit *test)
+{
+ struct drm_connector_init_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_property *prop;
+ int ret;
+
+ ret = drmm_connector_hdmi_init(&priv->drm, connector,
+ &dummy_funcs,
+ &dummy_hdmi_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ &priv->ddc,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ ret = drm_connector_attach_broadcast_rgb_property(connector);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ prop = connector->broadcast_rgb_property;
+ KUNIT_ASSERT_NOT_NULL(test, prop);
+ KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id));
+}
+
+static struct kunit_case drm_connector_attach_broadcast_rgb_property_tests[] = {
+ KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property),
+ KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector),
+ { }
+};
+
+static struct kunit_suite drm_connector_attach_broadcast_rgb_property_test_suite = {
+ .name = "drm_connector_attach_broadcast_rgb_property",
+ .init = drm_test_connector_init,
+ .test_cases = drm_connector_attach_broadcast_rgb_property_tests,
+};
+
/*
* Test that for a given mode, with 8bpc and an RGB output the TMDS
* character rate is equal to the mode pixel clock.
*/
static void drm_test_drm_connector_hdmi_compute_mode_clock_rgb(struct kunit *test)
@@ -943,12 +1057,14 @@ static struct kunit_suite drm_connector_hdmi_compute_mode_clock_test_suite = {
};
kunit_test_suites(
&drmm_connector_hdmi_init_test_suite,
&drmm_connector_init_test_suite,
+ &drm_connector_attach_broadcast_rgb_property_test_suite,
&drm_connector_hdmi_compute_mode_clock_test_suite,
&drm_get_tv_mode_from_name_test_suite,
+ &drm_hdmi_connector_get_broadcast_rgb_name_test_suite,
&drm_hdmi_connector_get_output_format_name_test_suite
);
MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>");
MODULE_LICENSE("GPL");
--
2.44.0
next prev parent reply other threads:[~2024-03-21 15:30 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 15:28 [PATCH v10 00/27] drm/connector: Create HDMI Connector infrastructure Maxime Ripard
2024-03-21 15:28 ` [PATCH v10 01/27] drm/connector: Introduce an HDMI connector initialization function Maxime Ripard
2024-03-21 15:28 ` [PATCH v10 02/27] drm/tests: connector: Add tests for drmm_connector_hdmi_init Maxime Ripard
2024-03-21 15:28 ` [PATCH v10 03/27] drm/connector: hdmi: Create an HDMI sub-state Maxime Ripard
2024-03-21 22:32 ` [v10,03/27] " Sui Jingfeng
2024-03-21 15:29 ` [PATCH v10 04/27] drm/connector: hdmi: Add output BPC to the connector state Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 05/27] drm/tests: Add output bpc tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 06/27] drm/connector: hdmi: Add support for output format Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 07/27] drm/tests: Add output formats tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 08/27] drm/connector: hdmi: Add HDMI compute clock helper Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 09/27] drm/tests: Add HDMI TDMS character rate tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 10/27] drm/connector: hdmi: Calculate TMDS character rate Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 11/27] drm/tests: Add TDMS character rate connector state tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 12/27] drm/connector: hdmi: Add custom hook to filter TMDS character rate Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 13/27] drm/tests: Add HDMI connector rate filter hook tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 14/27] drm/connector: hdmi: Compute bpc and format automatically Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 15/27] drm/tests: Add HDMI connector bpc and format tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 16/27] drm/connector: hdmi: Add Broadcast RGB property Maxime Ripard
2024-03-21 15:29 ` Maxime Ripard [this message]
2024-03-21 15:29 ` [PATCH v10 18/27] drm/connector: hdmi: Add RGB Quantization Range to the connector state Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 19/27] drm/tests: Add RGB Quantization tests Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 20/27] drm/connector: hdmi: Add Infoframes generation Maxime Ripard
2024-03-21 21:53 ` [v10,20/27] " Sui Jingfeng
2024-03-22 9:22 ` Jani Nikula
2024-03-22 10:57 ` Maxime Ripard
2024-03-22 11:46 ` Jani Nikula
2024-03-22 11:28 ` Sui Jingfeng
2024-03-22 10:31 ` Maxime Ripard
2024-03-22 11:13 ` Sui Jingfeng
2024-03-22 12:31 ` Maxime Ripard
2024-03-22 14:30 ` Sui Jingfeng
2024-03-21 15:29 ` [PATCH v10 21/27] drm/tests: Add infoframes test Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 22/27] drm/connector: hdmi: Create Infoframe DebugFS entries Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 23/27] drm/vc4: hdmi: Switch to HDMI connector Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 24/27] drm/vc4: tests: Remove vc4_dummy_plane structure Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 25/27] drm/vc4: tests: Convert to plane creation helper Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 26/27] drm/rockchip: inno_hdmi: Switch to HDMI connector Maxime Ripard
2024-03-21 15:29 ` [PATCH v10 27/27] drm/sun4i: hdmi: " Maxime Ripard
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