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Message-Id: <20240212-kms-hdmi-connector-state-v6-10-f4bcdc979e6f@kernel.org>
Date: Mon, 12 Feb 2024 14:12:53 +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 10/36] drm/tests: Add tests for Broadcast RGB property
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@...pberrypi.com>
Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
drivers/gpu/drm/tests/Makefile | 1 +
.../gpu/drm/tests/drm_atomic_state_helper_test.c | 376 +++++++++++++++++++++
drivers/gpu/drm/tests/drm_connector_test.c | 117 ++++++-
drivers/gpu/drm/tests/drm_kunit_edid.h | 106 ++++++
4 files changed, 599 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index d6183b3d7688..b29ddfd90596 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_DRM_KUNIT_TEST_HELPERS) += \
drm_kunit_helpers.o
obj-$(CONFIG_DRM_KUNIT_TEST) += \
+ drm_atomic_state_helper_test.o \
drm_buddy_test.o \
drm_cmdline_parser_test.o \
drm_connector_test.o \
diff --git a/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
new file mode 100644
index 000000000000..21e6f796ee13
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_atomic_state_helper_test.c
@@ -0,0 +1,376 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Kunit test for drm_atomic_state_helper functions
+ */
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_atomic_uapi.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_connector.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_managed.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_probe_helper.h>
+
+#include <drm/drm_print.h>
+#include "../drm_crtc_internal.h"
+
+#include <kunit/test.h>
+
+#include "drm_kunit_edid.h"
+
+struct drm_atomic_helper_connector_hdmi_priv {
+ struct drm_device drm;
+ struct drm_plane *plane;
+ struct drm_crtc *crtc;
+ struct drm_encoder encoder;
+ struct drm_connector connector;
+
+ const char *current_edid;
+ size_t current_edid_len;
+};
+
+#define connector_to_priv(c) \
+ container_of_const(c, struct drm_atomic_helper_connector_hdmi_priv, connector)
+
+static struct drm_display_mode *find_preferred_mode(struct drm_connector *connector)
+{
+ struct drm_device *drm = connector->dev;
+ struct drm_display_mode *mode, *preferred;
+
+ mutex_lock(&drm->mode_config.mutex);
+ preferred = list_first_entry(&connector->modes, struct drm_display_mode, head);
+ list_for_each_entry(mode, &connector->modes, head)
+ if (mode->type & DRM_MODE_TYPE_PREFERRED)
+ preferred = mode;
+ mutex_unlock(&drm->mode_config.mutex);
+
+ return preferred;
+}
+
+static int light_up_connector(struct kunit *test,
+ struct drm_device *drm,
+ struct drm_crtc *crtc,
+ struct drm_connector *connector,
+ struct drm_display_mode *mode,
+ struct drm_modeset_acquire_ctx *ctx)
+{
+ struct drm_atomic_state *state;
+ struct drm_connector_state *conn_state;
+ struct drm_crtc_state *crtc_state;
+ int ret;
+
+ 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, connector);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
+
+ ret = drm_atomic_set_crtc_for_connector(conn_state, crtc);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);
+
+ ret = drm_atomic_set_mode_for_crtc(crtc_state, mode);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ crtc_state->enable = true;
+ crtc_state->active = true;
+
+ ret = drm_atomic_commit(state);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ return 0;
+}
+
+static int set_connector_edid(struct kunit *test, struct drm_connector *connector,
+ const char *edid, size_t edid_len)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv =
+ connector_to_priv(connector);
+ struct drm_device *drm = connector->dev;
+ int ret;
+
+ priv->current_edid = edid;
+ priv->current_edid_len = edid_len;
+
+ 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;
+}
+
+static int dummy_connector_get_modes(struct drm_connector *connector)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv =
+ connector_to_priv(connector);
+ const struct drm_edid *edid;
+ unsigned int num_modes;
+
+ edid = drm_edid_alloc(priv->current_edid, priv->current_edid_len);
+ if (!edid)
+ return -EINVAL;
+
+ drm_edid_connector_update(connector, edid);
+ num_modes = drm_edid_connector_add_modes(connector);
+
+ drm_edid_free(edid);
+
+ return num_modes;
+}
+
+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,
+};
+
+static void dummy_hdmi_connector_reset(struct drm_connector *connector)
+{
+ drm_atomic_helper_connector_reset(connector);
+ __drm_atomic_helper_connector_hdmi_reset(connector, connector->state);
+}
+
+static const struct drm_connector_funcs dummy_connector_funcs = {
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .reset = dummy_hdmi_connector_reset,
+};
+
+static
+struct drm_atomic_helper_connector_hdmi_priv *
+drm_atomic_helper_connector_hdmi_init(struct kunit *test)
+{
+ struct drm_atomic_helper_connector_hdmi_priv *priv;
+ struct drm_connector *conn;
+ struct drm_encoder *enc;
+ struct drm_device *drm;
+ struct device *dev;
+ int ret;
+
+ dev = drm_kunit_helper_alloc_device(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
+
+ priv = drm_kunit_helper_alloc_drm_device(test, dev,
+ struct drm_atomic_helper_connector_hdmi_priv, drm,
+ DRIVER_MODESET | DRIVER_ATOMIC);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv);
+ test->priv = priv;
+
+ drm = &priv->drm;
+ priv->plane = drm_kunit_helper_create_primary_plane(test, drm,
+ NULL,
+ NULL,
+ NULL, 0,
+ NULL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->plane);
+
+ priv->crtc = drm_kunit_helper_create_crtc(test, drm,
+ priv->plane, NULL,
+ NULL,
+ NULL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->crtc);
+
+ enc = &priv->encoder;
+ ret = drmm_encoder_init(drm, enc, NULL, DRM_MODE_ENCODER_TMDS, NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ enc->possible_crtcs = drm_crtc_mask(priv->crtc);
+
+ conn = &priv->connector;
+ ret = drmm_connector_hdmi_init(drm, conn,
+ &dummy_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_connector_helper_add(conn, &dummy_connector_helper_funcs);
+ drm_connector_attach_encoder(conn, enc);
+
+ drm_mode_config_reset(drm);
+
+ 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);
+
+ 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);
+ 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);
+ 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);
+}
+
+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),
+ { }
+};
+
+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);
+ 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);
+}
+
+static struct kunit_case drm_atomic_helper_connector_hdmi_reset_tests[] = {
+ KUNIT_CASE(drm_test_check_broadcast_rgb_value),
+ { }
+};
+
+static struct kunit_suite drm_atomic_helper_connector_hdmi_reset_test_suite = {
+ .name = "drm_atomic_helper_connector_hdmi_reset",
+ .test_cases = drm_atomic_helper_connector_hdmi_reset_tests,
+};
+
+kunit_test_suites(
+ &drm_atomic_helper_connector_hdmi_check_test_suite,
+ &drm_atomic_helper_connector_hdmi_reset_test_suite,
+);
+
+MODULE_AUTHOR("Maxime Ripard <mripard@...nel.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
index 8f070cacab3b..41d33dea30af 100644
--- a/drivers/gpu/drm/tests/drm_connector_test.c
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -12,6 +12,8 @@
#include <kunit/test.h>
+#include "../drm_crtc_internal.h"
+
struct drm_connector_init_priv {
struct drm_device drm;
struct drm_connector connector;
@@ -357,10 +359,123 @@ static struct kunit_suite drm_get_tv_mode_from_name_test_suite = {
.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,
+};
+
+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,
+ DRM_MODE_CONNECTOR_HDMIA,
+ &priv->ddc);
+ 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,
+};
+
kunit_test_suites(
&drmm_connector_hdmi_init_test_suite,
&drmm_connector_init_test_suite,
- &drm_get_tv_mode_from_name_test_suite
+ &drm_connector_attach_broadcast_rgb_property_test_suite,
+ &drm_get_tv_mode_from_name_test_suite,
+ &drm_hdmi_connector_get_broadcast_rgb_name_test_suite
);
MODULE_AUTHOR("Maxime Ripard <maxime@...no.tech>");
diff --git a/drivers/gpu/drm/tests/drm_kunit_edid.h b/drivers/gpu/drm/tests/drm_kunit_edid.h
new file mode 100644
index 000000000000..2bba316de064
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_kunit_edid.h
@@ -0,0 +1,106 @@
+#ifndef DRM_KUNIT_EDID_H_
+#define DRM_KUNIT_EDID_H_
+
+/*
+ * 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
+ * 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 d0
+ *
+ * ----------------
+ *
+ * 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: 200 MHz
+ * Extended HDMI video details:
+ * Checksum: 0xd0 Unused space in Extension Block: 100 bytes
+ */
+const unsigned char test_edid_hdmi_1080p_rgb_max_200mhz[] = {
+ 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, 0x28, 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, 0xd0
+};
+
+#endif // DRM_KUNIT_EDID_H_
--
2.43.0
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