[PATCH v6 12/36] drm/tests: Add RGB Quantization tests
From: Maxime Ripard <mripard@kernel.org>
Date: 2024-02-12 13:14:02
Also in:
dri-devel, linux-doc, linux-media, linux-rockchip, linux-sunxi, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
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@raspberrypi.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> --- .../gpu/drm/tests/drm_atomic_state_helper_test.c | 335 +++++++++++++++++++++ 1 file changed, 335 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 21e6f796ee13..7750c3d214a4 100644
--- a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c@@ -328,7 +328,342 @@ 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); + 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); + 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); + 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); + 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); + 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); + 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); +} + 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_full_cea_mode), + KUNIT_CASE(drm_test_check_broadcast_rgb_full_cea_mode_vic_1), + 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_crtc_mode_changed), KUNIT_CASE(drm_test_check_broadcast_rgb_crtc_mode_not_changed), { }
--
2.43.0
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