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Date: Mon, 12 Feb 2024 14:12:55 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
Jonathan Corbet <corbet@....net>, Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>
Cc: Hans Verkuil <hverkuil@...all.nl>, dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
linux-rockchip@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
Maxime Ripard <mripard@...nel.org>,
Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: [PATCH v6 12/36] drm/tests: Add RGB Quantization tests
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@...pberrypi.com>
Signed-off-by: Maxime Ripard <mripard@...nel.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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