[PATCH v7 24/36] drm/tests: Add RGB Quantization tests

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The previous commit added the infrastructure to the connector state to
track what RGB Quantization should be used in a given state for an HDMI
connector.

Let's add some kunit tests to make sure it works as expected.

Reviewed-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx>
---
 .../gpu/drm/tests/drm_atomic_state_helper_test.c   | 563 +++++++++++++++++++++
 1 file changed, 563 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 3de15cec2f5f..dcc0f7486f49 100644
--- a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
@@ -352,6 +352,560 @@ static void drm_test_check_broadcast_rgb_crtc_mode_not_changed(struct kunit *tes
 	KUNIT_EXPECT_FALSE(test, crtc_state->mode_changed);
 }
 
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to auto with a mode that isn't the
+ * VIC-1 mode, we will get a limited RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_auto_cea_mode(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_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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_NE(test, drm_match_cea_mode(preferred), 1);
+
+	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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_AUTO);
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to auto with a VIC-1 mode, we will get
+ * a full RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_auto_cea_mode_vic_1(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_atomic_state *state;
+	struct drm_display_mode *mode;
+	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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	mode = drm_display_mode_from_cea_vic(drm, 1);
+	KUNIT_ASSERT_NOT_NULL(test, mode);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, mode, 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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_AUTO);
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_EXPECT_TRUE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to full with a mode that isn't the
+ * VIC-1 mode, we will get a full RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_full_cea_mode(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_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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_NE(test, drm_match_cea_mode(preferred), 1);
+
+	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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_FULL;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_FULL);
+
+	KUNIT_EXPECT_TRUE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to full with a VIC-1 mode, we will get
+ * a full RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_full_cea_mode_vic_1(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_atomic_state *state;
+	struct drm_display_mode *mode;
+	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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	mode = drm_display_mode_from_cea_vic(drm, 1);
+	KUNIT_ASSERT_NOT_NULL(test, mode);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, mode, 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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_FULL;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_FULL);
+
+	KUNIT_EXPECT_TRUE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to limited with a mode that isn't the
+ * VIC-1 mode, we will get a limited RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_limited_cea_mode(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_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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_NE(test, drm_match_cea_mode(preferred), 1);
+
+	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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_LIMITED;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_LIMITED);
+
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that for an HDMI connector, with an HDMI monitor, if the
+ * Broadcast RGB property is set to limited with a VIC-1 mode, we will
+ * get a limited RGB Quantization Range.
+ */
+static void drm_test_check_broadcast_rgb_limited_cea_mode_vic_1(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_atomic_state *state;
+	struct drm_display_mode *mode;
+	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);
+
+	conn = &priv->connector;
+	KUNIT_ASSERT_TRUE(test, conn->display_info.is_hdmi);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	mode = drm_display_mode_from_cea_vic(drm, 1);
+	KUNIT_ASSERT_NOT_NULL(test, mode);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, mode, 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);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_LIMITED;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test,
+			conn_state->hdmi.broadcast_rgb,
+			DRM_HDMI_BROADCAST_RGB_LIMITED);
+
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that if we have an HDMI connector that would use a YUV output,
+ * we always get a limited quantization range with the Broadcast RGB
+ * property set to auto.
+ */
+static void drm_test_check_broadcast_rgb_auto_yuv(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_atomic_state *state;
+	struct drm_display_info *info;
+	struct drm_display_mode *preferred;
+	unsigned long long rate;
+	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) |
+						     BIT(HDMI_COLORSPACE_YUV422),
+						     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);
+
+	info = &conn->display_info;
+	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
+	KUNIT_ASSERT_GT(test, info->max_tmds_clock, 0);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_FALSE(test, preferred->flags & DRM_MODE_FLAG_DBLCLK);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_RGB);
+	KUNIT_ASSERT_GT(test, rate, info->max_tmds_clock * 1000);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_YUV422);
+	KUNIT_ASSERT_LT(test, rate, info->max_tmds_clock * 1000);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, preferred, ctx);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	state = drm_kunit_helper_atomic_state_alloc(test, drm, ctx);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, state);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_AUTO;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_YUV422);
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that if we have an HDMI connector that would use a YUV output,
+ * we always get a limited quantization range even if we have the
+ * Broadcast RGB property set to full.
+ */
+static void drm_test_check_broadcast_rgb_full_yuv(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_atomic_state *state;
+	struct drm_display_info *info;
+	struct drm_display_mode *preferred;
+	unsigned long long rate;
+	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) |
+						     BIT(HDMI_COLORSPACE_YUV422),
+						     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);
+
+	info = &conn->display_info;
+	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
+	KUNIT_ASSERT_GT(test, info->max_tmds_clock, 0);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_FALSE(test, preferred->flags & DRM_MODE_FLAG_DBLCLK);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_RGB);
+	KUNIT_ASSERT_GT(test, rate, info->max_tmds_clock * 1000);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_YUV422);
+	KUNIT_ASSERT_LT(test, rate, info->max_tmds_clock * 1000);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, preferred, ctx);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	state = drm_kunit_helper_atomic_state_alloc(test, drm, ctx);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, state);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_FULL;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_YUV422);
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
+/*
+ * Test that if we have an HDMI connector that would use a YUV output,
+ * we always get a limited quantization range even if we have the
+ * Broadcast RGB property set to full.
+ */
+static void drm_test_check_broadcast_rgb_limited_yuv(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_atomic_state *state;
+	struct drm_display_info *info;
+	struct drm_display_mode *preferred;
+	unsigned long long rate;
+	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) |
+						     BIT(HDMI_COLORSPACE_YUV422),
+						     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);
+
+	info = &conn->display_info;
+	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
+	KUNIT_ASSERT_GT(test, info->max_tmds_clock, 0);
+
+	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
+
+	preferred = find_preferred_mode(conn);
+	KUNIT_ASSERT_NOT_NULL(test, preferred);
+	KUNIT_ASSERT_FALSE(test, preferred->flags & DRM_MODE_FLAG_DBLCLK);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_RGB);
+	KUNIT_ASSERT_GT(test, rate, info->max_tmds_clock * 1000);
+
+	rate = drm_connector_hdmi_compute_mode_clock(preferred, 12, HDMI_COLORSPACE_YUV422);
+	KUNIT_ASSERT_LT(test, rate, info->max_tmds_clock * 1000);
+
+	drm = &priv->drm;
+	crtc = priv->crtc;
+	ret = light_up_connector(test, drm, crtc, conn, preferred, ctx);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	state = drm_kunit_helper_atomic_state_alloc(test, drm, ctx);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, state);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	conn_state->hdmi.broadcast_rgb = DRM_HDMI_BROADCAST_RGB_LIMITED;
+
+	ret = drm_atomic_check_only(state);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	conn_state = drm_atomic_get_connector_state(state, conn);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+	KUNIT_ASSERT_EQ(test, conn_state->hdmi.output_format, HDMI_COLORSPACE_YUV422);
+	KUNIT_EXPECT_FALSE(test, conn_state->hdmi.is_full_range);
+}
+
 /*
  * 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
@@ -1187,6 +1741,15 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
 }
 
 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),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_auto_yuv),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_full_cea_mode),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_full_cea_mode_vic_1),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_full_yuv),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_limited_cea_mode),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_limited_cea_mode_vic_1),
+	KUNIT_CASE(drm_test_check_broadcast_rgb_limited_yuv),
 	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),

-- 
2.43.2





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