diff options
Diffstat (limited to 'drivers/gpu/drm/vkms/tests')
| -rw-r--r-- | drivers/gpu/drm/vkms/tests/.kunitconfig | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/tests/Makefile | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/tests/vkms_config_test.c | 951 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/tests/vkms_format_test.c | 280 |
4 files changed, 1242 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vkms/tests/.kunitconfig b/drivers/gpu/drm/vkms/tests/.kunitconfig new file mode 100644 index 000000000000..6a2d87068edc --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/.kunitconfig @@ -0,0 +1,4 @@ +CONFIG_KUNIT=y +CONFIG_DRM=y +CONFIG_DRM_VKMS=y +CONFIG_DRM_VKMS_KUNIT_TEST=y diff --git a/drivers/gpu/drm/vkms/tests/Makefile b/drivers/gpu/drm/vkms/tests/Makefile new file mode 100644 index 000000000000..5750f0bd9d40 --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-only + +vkms-kunit-tests-y := \ + vkms_config_test.o \ + vkms_format_test.o + +obj-$(CONFIG_DRM_VKMS_KUNIT_TEST) += vkms-kunit-tests.o diff --git a/drivers/gpu/drm/vkms/tests/vkms_config_test.c b/drivers/gpu/drm/vkms/tests/vkms_config_test.c new file mode 100644 index 000000000000..ff4566cf9925 --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/vkms_config_test.c @@ -0,0 +1,951 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <kunit/test.h> + +#include "../vkms_config.h" + +MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING"); + +static size_t vkms_config_get_num_planes(struct vkms_config *config) +{ + struct vkms_config_plane *plane_cfg; + size_t count = 0; + + vkms_config_for_each_plane(config, plane_cfg) + count++; + + return count; +} + +static size_t vkms_config_get_num_encoders(struct vkms_config *config) +{ + struct vkms_config_encoder *encoder_cfg; + size_t count = 0; + + vkms_config_for_each_encoder(config, encoder_cfg) + count++; + + return count; +} + +static size_t vkms_config_get_num_connectors(struct vkms_config *config) +{ + struct vkms_config_connector *connector_cfg; + size_t count = 0; + + vkms_config_for_each_connector(config, connector_cfg) + count++; + + return count; +} + +static struct vkms_config_plane *get_first_plane(struct vkms_config *config) +{ + struct vkms_config_plane *plane_cfg; + + vkms_config_for_each_plane(config, plane_cfg) + return plane_cfg; + + return NULL; +} + +static struct vkms_config_crtc *get_first_crtc(struct vkms_config *config) +{ + struct vkms_config_crtc *crtc_cfg; + + vkms_config_for_each_crtc(config, crtc_cfg) + return crtc_cfg; + + return NULL; +} + +static struct vkms_config_encoder *get_first_encoder(struct vkms_config *config) +{ + struct vkms_config_encoder *encoder_cfg; + + vkms_config_for_each_encoder(config, encoder_cfg) + return encoder_cfg; + + return NULL; +} + +static struct vkms_config_connector *get_first_connector(struct vkms_config *config) +{ + struct vkms_config_connector *connector_cfg; + + vkms_config_for_each_connector(config, connector_cfg) + return connector_cfg; + + return NULL; +} + +struct default_config_case { + bool enable_cursor; + bool enable_writeback; + bool enable_overlay; +}; + +static void vkms_config_test_empty_config(struct kunit *test) +{ + struct vkms_config *config; + const char *dev_name = "test"; + + config = vkms_config_create(dev_name); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* The dev_name string and the config have different lifetimes */ + dev_name = NULL; + KUNIT_EXPECT_STREQ(test, vkms_config_get_device_name(config), "test"); + + KUNIT_EXPECT_EQ(test, vkms_config_get_num_planes(config), 0); + KUNIT_EXPECT_EQ(test, vkms_config_get_num_crtcs(config), 0); + KUNIT_EXPECT_EQ(test, vkms_config_get_num_encoders(config), 0); + KUNIT_EXPECT_EQ(test, vkms_config_get_num_connectors(config), 0); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static struct default_config_case default_config_cases[] = { + { false, false, false }, + { true, false, false }, + { true, true, false }, + { true, false, true }, + { false, true, false }, + { false, true, true }, + { false, false, true }, + { true, true, true }, +}; + +KUNIT_ARRAY_PARAM(default_config, default_config_cases, NULL); + +static void vkms_config_test_default_config(struct kunit *test) +{ + const struct default_config_case *params = test->param_value; + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + struct vkms_config_crtc *crtc_cfg; + int n_primaries = 0; + int n_cursors = 0; + int n_overlays = 0; + + config = vkms_config_default_create(params->enable_cursor, + params->enable_writeback, + params->enable_overlay); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* Planes */ + vkms_config_for_each_plane(config, plane_cfg) { + switch (vkms_config_plane_get_type(plane_cfg)) { + case DRM_PLANE_TYPE_PRIMARY: + n_primaries++; + break; + case DRM_PLANE_TYPE_CURSOR: + n_cursors++; + break; + case DRM_PLANE_TYPE_OVERLAY: + n_overlays++; + break; + default: + KUNIT_FAIL_AND_ABORT(test, "Unknown plane type"); + } + } + KUNIT_EXPECT_EQ(test, n_primaries, 1); + KUNIT_EXPECT_EQ(test, n_cursors, params->enable_cursor ? 1 : 0); + KUNIT_EXPECT_EQ(test, n_overlays, params->enable_overlay ? 8 : 0); + + /* CRTCs */ + KUNIT_EXPECT_EQ(test, vkms_config_get_num_crtcs(config), 1); + + crtc_cfg = get_first_crtc(config); + KUNIT_EXPECT_EQ(test, vkms_config_crtc_get_writeback(crtc_cfg), + params->enable_writeback); + + vkms_config_for_each_plane(config, plane_cfg) { + struct vkms_config_crtc *possible_crtc; + int n_possible_crtcs = 0; + unsigned long idx = 0; + + vkms_config_plane_for_each_possible_crtc(plane_cfg, idx, possible_crtc) { + KUNIT_EXPECT_PTR_EQ(test, crtc_cfg, possible_crtc); + n_possible_crtcs++; + } + KUNIT_EXPECT_EQ(test, n_possible_crtcs, 1); + } + + /* Encoders */ + KUNIT_EXPECT_EQ(test, vkms_config_get_num_encoders(config), 1); + + /* Connectors */ + KUNIT_EXPECT_EQ(test, vkms_config_get_num_connectors(config), 1); + + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_get_planes(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + struct vkms_config_plane *plane_cfg1, *plane_cfg2; + int n_planes = 0; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + vkms_config_for_each_plane(config, plane_cfg) + n_planes++; + KUNIT_ASSERT_EQ(test, n_planes, 0); + + plane_cfg1 = vkms_config_create_plane(config); + vkms_config_for_each_plane(config, plane_cfg) { + n_planes++; + if (plane_cfg != plane_cfg1) + KUNIT_FAIL(test, "Unexpected plane"); + } + KUNIT_ASSERT_EQ(test, n_planes, 1); + n_planes = 0; + + plane_cfg2 = vkms_config_create_plane(config); + vkms_config_for_each_plane(config, plane_cfg) { + n_planes++; + if (plane_cfg != plane_cfg1 && plane_cfg != plane_cfg2) + KUNIT_FAIL(test, "Unexpected plane"); + } + KUNIT_ASSERT_EQ(test, n_planes, 2); + n_planes = 0; + + vkms_config_destroy_plane(plane_cfg1); + vkms_config_for_each_plane(config, plane_cfg) { + n_planes++; + if (plane_cfg != plane_cfg2) + KUNIT_FAIL(test, "Unexpected plane"); + } + KUNIT_ASSERT_EQ(test, n_planes, 1); + + vkms_config_destroy(config); +} + +static void vkms_config_test_get_crtcs(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_crtc *crtc_cfg; + struct vkms_config_crtc *crtc_cfg1, *crtc_cfg2; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + KUNIT_ASSERT_EQ(test, vkms_config_get_num_crtcs(config), 0); + vkms_config_for_each_crtc(config, crtc_cfg) + KUNIT_FAIL(test, "Unexpected CRTC"); + + crtc_cfg1 = vkms_config_create_crtc(config); + KUNIT_ASSERT_EQ(test, vkms_config_get_num_crtcs(config), 1); + vkms_config_for_each_crtc(config, crtc_cfg) { + if (crtc_cfg != crtc_cfg1) + KUNIT_FAIL(test, "Unexpected CRTC"); + } + + crtc_cfg2 = vkms_config_create_crtc(config); + KUNIT_ASSERT_EQ(test, vkms_config_get_num_crtcs(config), 2); + vkms_config_for_each_crtc(config, crtc_cfg) { + if (crtc_cfg != crtc_cfg1 && crtc_cfg != crtc_cfg2) + KUNIT_FAIL(test, "Unexpected CRTC"); + } + + vkms_config_destroy_crtc(config, crtc_cfg2); + KUNIT_ASSERT_EQ(test, vkms_config_get_num_crtcs(config), 1); + vkms_config_for_each_crtc(config, crtc_cfg) { + if (crtc_cfg != crtc_cfg1) + KUNIT_FAIL(test, "Unexpected CRTC"); + } + + vkms_config_destroy(config); +} + +static void vkms_config_test_get_encoders(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_encoder *encoder_cfg; + struct vkms_config_encoder *encoder_cfg1, *encoder_cfg2; + int n_encoders = 0; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + vkms_config_for_each_encoder(config, encoder_cfg) + n_encoders++; + KUNIT_ASSERT_EQ(test, n_encoders, 0); + + encoder_cfg1 = vkms_config_create_encoder(config); + vkms_config_for_each_encoder(config, encoder_cfg) { + n_encoders++; + if (encoder_cfg != encoder_cfg1) + KUNIT_FAIL(test, "Unexpected encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 1); + n_encoders = 0; + + encoder_cfg2 = vkms_config_create_encoder(config); + vkms_config_for_each_encoder(config, encoder_cfg) { + n_encoders++; + if (encoder_cfg != encoder_cfg1 && encoder_cfg != encoder_cfg2) + KUNIT_FAIL(test, "Unexpected encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 2); + n_encoders = 0; + + vkms_config_destroy_encoder(config, encoder_cfg2); + vkms_config_for_each_encoder(config, encoder_cfg) { + n_encoders++; + if (encoder_cfg != encoder_cfg1) + KUNIT_FAIL(test, "Unexpected encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 1); + n_encoders = 0; + + vkms_config_destroy(config); +} + +static void vkms_config_test_get_connectors(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_connector *connector_cfg; + struct vkms_config_connector *connector_cfg1, *connector_cfg2; + int n_connectors = 0; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + vkms_config_for_each_connector(config, connector_cfg) + n_connectors++; + KUNIT_ASSERT_EQ(test, n_connectors, 0); + + connector_cfg1 = vkms_config_create_connector(config); + vkms_config_for_each_connector(config, connector_cfg) { + n_connectors++; + if (connector_cfg != connector_cfg1) + KUNIT_FAIL(test, "Unexpected connector"); + } + KUNIT_ASSERT_EQ(test, n_connectors, 1); + n_connectors = 0; + + connector_cfg2 = vkms_config_create_connector(config); + vkms_config_for_each_connector(config, connector_cfg) { + n_connectors++; + if (connector_cfg != connector_cfg1 && + connector_cfg != connector_cfg2) + KUNIT_FAIL(test, "Unexpected connector"); + } + KUNIT_ASSERT_EQ(test, n_connectors, 2); + n_connectors = 0; + + vkms_config_destroy_connector(connector_cfg2); + vkms_config_for_each_connector(config, connector_cfg) { + n_connectors++; + if (connector_cfg != connector_cfg1) + KUNIT_FAIL(test, "Unexpected connector"); + } + KUNIT_ASSERT_EQ(test, n_connectors, 1); + n_connectors = 0; + + vkms_config_destroy(config); +} + +static void vkms_config_test_invalid_plane_number(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + int n; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* Invalid: No planes */ + plane_cfg = get_first_plane(config); + vkms_config_destroy_plane(plane_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Invalid: Too many planes */ + for (n = 0; n <= 32; n++) + vkms_config_create_plane(config); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_valid_plane_type(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + struct vkms_config_crtc *crtc_cfg; + struct vkms_config_encoder *encoder_cfg; + int err; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + plane_cfg = get_first_plane(config); + vkms_config_destroy_plane(plane_cfg); + + crtc_cfg = get_first_crtc(config); + + /* Invalid: No primary plane */ + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_OVERLAY); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Invalid: Multiple primary planes */ + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_PRIMARY); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_PRIMARY); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Valid: One primary plane */ + vkms_config_destroy_plane(plane_cfg); + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + /* Invalid: Multiple cursor planes */ + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_CURSOR); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_CURSOR); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Valid: One primary and one cursor plane */ + vkms_config_destroy_plane(plane_cfg); + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + /* Invalid: Second CRTC without primary plane */ + crtc_cfg = vkms_config_create_crtc(config); + encoder_cfg = vkms_config_create_encoder(config); + err = vkms_config_encoder_attach_crtc(encoder_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Valid: Second CRTC with a primary plane */ + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_PRIMARY); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_valid_plane_possible_crtcs(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + struct vkms_config_crtc *crtc_cfg; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + plane_cfg = get_first_plane(config); + crtc_cfg = get_first_crtc(config); + + /* Invalid: Primary plane without a possible CRTC */ + vkms_config_plane_detach_crtc(plane_cfg, crtc_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_invalid_crtc_number(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_crtc *crtc_cfg; + int n; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* Invalid: No CRTCs */ + crtc_cfg = get_first_crtc(config); + vkms_config_destroy_crtc(config, crtc_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Invalid: Too many CRTCs */ + for (n = 0; n <= 32; n++) + vkms_config_create_crtc(config); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_invalid_encoder_number(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_encoder *encoder_cfg; + int n; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* Invalid: No encoders */ + encoder_cfg = get_first_encoder(config); + vkms_config_destroy_encoder(config, encoder_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Invalid: Too many encoders */ + for (n = 0; n <= 32; n++) + vkms_config_create_encoder(config); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_valid_encoder_possible_crtcs(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg; + struct vkms_config_crtc *crtc_cfg1, *crtc_cfg2; + struct vkms_config_encoder *encoder_cfg; + int err; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + crtc_cfg1 = get_first_crtc(config); + + /* Invalid: Encoder without a possible CRTC */ + encoder_cfg = vkms_config_create_encoder(config); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Valid: Second CRTC with shared encoder */ + crtc_cfg2 = vkms_config_create_crtc(config); + + plane_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(plane_cfg, DRM_PLANE_TYPE_PRIMARY); + err = vkms_config_plane_attach_crtc(plane_cfg, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + + err = vkms_config_encoder_attach_crtc(encoder_cfg, crtc_cfg1); + KUNIT_EXPECT_EQ(test, err, 0); + + err = vkms_config_encoder_attach_crtc(encoder_cfg, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + /* Invalid: Second CRTC without encoders */ + vkms_config_encoder_detach_crtc(encoder_cfg, crtc_cfg2); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Valid: First CRTC with 2 possible encoder */ + vkms_config_destroy_plane(plane_cfg); + vkms_config_destroy_crtc(config, crtc_cfg2); + KUNIT_EXPECT_TRUE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_invalid_connector_number(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_connector *connector_cfg; + int n; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + /* Invalid: No connectors */ + connector_cfg = get_first_connector(config); + vkms_config_destroy_connector(connector_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + /* Invalid: Too many connectors */ + for (n = 0; n <= 32; n++) + connector_cfg = vkms_config_create_connector(config); + + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_valid_connector_possible_encoders(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_encoder *encoder_cfg; + struct vkms_config_connector *connector_cfg; + + config = vkms_config_default_create(false, false, false); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + encoder_cfg = get_first_encoder(config); + connector_cfg = get_first_connector(config); + + /* Invalid: Connector without a possible encoder */ + vkms_config_connector_detach_encoder(connector_cfg, encoder_cfg); + KUNIT_EXPECT_FALSE(test, vkms_config_is_valid(config)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_attach_different_configs(struct kunit *test) +{ + struct vkms_config *config1, *config2; + struct vkms_config_plane *plane_cfg1, *plane_cfg2; + struct vkms_config_crtc *crtc_cfg1, *crtc_cfg2; + struct vkms_config_encoder *encoder_cfg1, *encoder_cfg2; + struct vkms_config_connector *connector_cfg1, *connector_cfg2; + int err; + + config1 = vkms_config_create("test1"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config1); + + config2 = vkms_config_create("test2"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config2); + + plane_cfg1 = vkms_config_create_plane(config1); + crtc_cfg1 = vkms_config_create_crtc(config1); + encoder_cfg1 = vkms_config_create_encoder(config1); + connector_cfg1 = vkms_config_create_connector(config1); + + plane_cfg2 = vkms_config_create_plane(config2); + crtc_cfg2 = vkms_config_create_crtc(config2); + encoder_cfg2 = vkms_config_create_encoder(config2); + connector_cfg2 = vkms_config_create_connector(config2); + + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, plane_cfg1); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, plane_cfg2); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_cfg1); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_cfg2); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, encoder_cfg1); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, encoder_cfg2); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, connector_cfg1); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, connector_cfg2); + + err = vkms_config_plane_attach_crtc(plane_cfg1, crtc_cfg2); + KUNIT_EXPECT_NE(test, err, 0); + err = vkms_config_plane_attach_crtc(plane_cfg2, crtc_cfg1); + KUNIT_EXPECT_NE(test, err, 0); + + err = vkms_config_encoder_attach_crtc(encoder_cfg1, crtc_cfg2); + KUNIT_EXPECT_NE(test, err, 0); + err = vkms_config_encoder_attach_crtc(encoder_cfg2, crtc_cfg1); + KUNIT_EXPECT_NE(test, err, 0); + + err = vkms_config_connector_attach_encoder(connector_cfg1, encoder_cfg2); + KUNIT_EXPECT_NE(test, err, 0); + err = vkms_config_connector_attach_encoder(connector_cfg2, encoder_cfg1); + KUNIT_EXPECT_NE(test, err, 0); + + vkms_config_destroy(config1); + vkms_config_destroy(config2); +} + +static void vkms_config_test_plane_attach_crtc(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *overlay_cfg; + struct vkms_config_plane *primary_cfg; + struct vkms_config_plane *cursor_cfg; + struct vkms_config_crtc *crtc_cfg; + int err; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + overlay_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(overlay_cfg, DRM_PLANE_TYPE_OVERLAY); + primary_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(primary_cfg, DRM_PLANE_TYPE_PRIMARY); + cursor_cfg = vkms_config_create_plane(config); + vkms_config_plane_set_type(cursor_cfg, DRM_PLANE_TYPE_CURSOR); + + crtc_cfg = vkms_config_create_crtc(config); + + /* No primary or cursor planes */ + KUNIT_EXPECT_NULL(test, vkms_config_crtc_primary_plane(config, crtc_cfg)); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_cursor_plane(config, crtc_cfg)); + + /* Overlay plane, but no primary or cursor planes */ + err = vkms_config_plane_attach_crtc(overlay_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_primary_plane(config, crtc_cfg)); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_cursor_plane(config, crtc_cfg)); + + /* Primary plane, attaching it twice must fail */ + err = vkms_config_plane_attach_crtc(primary_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + err = vkms_config_plane_attach_crtc(primary_cfg, crtc_cfg); + KUNIT_EXPECT_NE(test, err, 0); + KUNIT_EXPECT_PTR_EQ(test, + vkms_config_crtc_primary_plane(config, crtc_cfg), + primary_cfg); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_cursor_plane(config, crtc_cfg)); + + /* Primary and cursor planes */ + err = vkms_config_plane_attach_crtc(cursor_cfg, crtc_cfg); + KUNIT_EXPECT_EQ(test, err, 0); + KUNIT_EXPECT_PTR_EQ(test, + vkms_config_crtc_primary_plane(config, crtc_cfg), + primary_cfg); + KUNIT_EXPECT_PTR_EQ(test, + vkms_config_crtc_cursor_plane(config, crtc_cfg), + cursor_cfg); + + /* Detach primary and destroy cursor plane */ + vkms_config_plane_detach_crtc(overlay_cfg, crtc_cfg); + vkms_config_plane_detach_crtc(primary_cfg, crtc_cfg); + vkms_config_destroy_plane(cursor_cfg); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_primary_plane(config, crtc_cfg)); + KUNIT_EXPECT_NULL(test, vkms_config_crtc_cursor_plane(config, crtc_cfg)); + + vkms_config_destroy(config); +} + +static void vkms_config_test_plane_get_possible_crtcs(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_plane *plane_cfg1, *plane_cfg2; + struct vkms_config_crtc *crtc_cfg1, *crtc_cfg2; + struct vkms_config_crtc *possible_crtc; + unsigned long idx = 0; + int n_crtcs = 0; + int err; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + plane_cfg1 = vkms_config_create_plane(config); + plane_cfg2 = vkms_config_create_plane(config); + crtc_cfg1 = vkms_config_create_crtc(config); + crtc_cfg2 = vkms_config_create_crtc(config); + + /* No possible CRTCs */ + vkms_config_plane_for_each_possible_crtc(plane_cfg1, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + vkms_config_plane_for_each_possible_crtc(plane_cfg2, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + /* Plane 1 attached to CRTC 1 and 2 */ + err = vkms_config_plane_attach_crtc(plane_cfg1, crtc_cfg1); + KUNIT_EXPECT_EQ(test, err, 0); + err = vkms_config_plane_attach_crtc(plane_cfg1, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + + vkms_config_plane_for_each_possible_crtc(plane_cfg1, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg1 && possible_crtc != crtc_cfg2) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 2); + n_crtcs = 0; + + vkms_config_plane_for_each_possible_crtc(plane_cfg2, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + /* Plane 1 attached to CRTC 1 and plane 2 to CRTC 2 */ + vkms_config_plane_detach_crtc(plane_cfg1, crtc_cfg2); + vkms_config_plane_for_each_possible_crtc(plane_cfg1, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg1) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 1); + n_crtcs = 0; + + err = vkms_config_plane_attach_crtc(plane_cfg2, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + vkms_config_plane_for_each_possible_crtc(plane_cfg2, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg2) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 1); + + vkms_config_destroy(config); +} + +static void vkms_config_test_encoder_get_possible_crtcs(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_encoder *encoder_cfg1, *encoder_cfg2; + struct vkms_config_crtc *crtc_cfg1, *crtc_cfg2; + struct vkms_config_crtc *possible_crtc; + unsigned long idx = 0; + int n_crtcs = 0; + int err; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + encoder_cfg1 = vkms_config_create_encoder(config); + encoder_cfg2 = vkms_config_create_encoder(config); + crtc_cfg1 = vkms_config_create_crtc(config); + crtc_cfg2 = vkms_config_create_crtc(config); + + /* No possible CRTCs */ + vkms_config_encoder_for_each_possible_crtc(encoder_cfg1, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + vkms_config_encoder_for_each_possible_crtc(encoder_cfg2, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + /* Encoder 1 attached to CRTC 1 and 2 */ + err = vkms_config_encoder_attach_crtc(encoder_cfg1, crtc_cfg1); + KUNIT_EXPECT_EQ(test, err, 0); + err = vkms_config_encoder_attach_crtc(encoder_cfg1, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + + vkms_config_encoder_for_each_possible_crtc(encoder_cfg1, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg1 && possible_crtc != crtc_cfg2) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 2); + n_crtcs = 0; + + vkms_config_encoder_for_each_possible_crtc(encoder_cfg2, idx, possible_crtc) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + + /* Encoder 1 attached to CRTC 1 and encoder 2 to CRTC 2 */ + vkms_config_encoder_detach_crtc(encoder_cfg1, crtc_cfg2); + vkms_config_encoder_for_each_possible_crtc(encoder_cfg1, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg1) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 1); + n_crtcs = 0; + + err = vkms_config_encoder_attach_crtc(encoder_cfg2, crtc_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + vkms_config_encoder_for_each_possible_crtc(encoder_cfg2, idx, possible_crtc) { + n_crtcs++; + if (possible_crtc != crtc_cfg2) + KUNIT_FAIL(test, "Unexpected possible CRTC"); + } + KUNIT_ASSERT_EQ(test, n_crtcs, 1); + + vkms_config_destroy(config); +} + +static void vkms_config_test_connector_get_possible_encoders(struct kunit *test) +{ + struct vkms_config *config; + struct vkms_config_connector *connector_cfg1, *connector_cfg2; + struct vkms_config_encoder *encoder_cfg1, *encoder_cfg2; + struct vkms_config_encoder *possible_encoder; + unsigned long idx = 0; + int n_encoders = 0; + int err; + + config = vkms_config_create("test"); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config); + + connector_cfg1 = vkms_config_create_connector(config); + connector_cfg2 = vkms_config_create_connector(config); + encoder_cfg1 = vkms_config_create_encoder(config); + encoder_cfg2 = vkms_config_create_encoder(config); + + /* No possible encoders */ + vkms_config_connector_for_each_possible_encoder(connector_cfg1, idx, + possible_encoder) + KUNIT_FAIL(test, "Unexpected possible encoder"); + + vkms_config_connector_for_each_possible_encoder(connector_cfg2, idx, + possible_encoder) + KUNIT_FAIL(test, "Unexpected possible encoder"); + + /* Connector 1 attached to encoders 1 and 2 */ + err = vkms_config_connector_attach_encoder(connector_cfg1, encoder_cfg1); + KUNIT_EXPECT_EQ(test, err, 0); + err = vkms_config_connector_attach_encoder(connector_cfg1, encoder_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + + vkms_config_connector_for_each_possible_encoder(connector_cfg1, idx, + possible_encoder) { + n_encoders++; + if (possible_encoder != encoder_cfg1 && + possible_encoder != encoder_cfg2) + KUNIT_FAIL(test, "Unexpected possible encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 2); + n_encoders = 0; + + vkms_config_connector_for_each_possible_encoder(connector_cfg2, idx, + possible_encoder) + KUNIT_FAIL(test, "Unexpected possible encoder"); + + /* Connector 1 attached to encoder 1 and connector 2 to encoder 2 */ + vkms_config_connector_detach_encoder(connector_cfg1, encoder_cfg2); + vkms_config_connector_for_each_possible_encoder(connector_cfg1, idx, + possible_encoder) { + n_encoders++; + if (possible_encoder != encoder_cfg1) + KUNIT_FAIL(test, "Unexpected possible encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 1); + n_encoders = 0; + + err = vkms_config_connector_attach_encoder(connector_cfg2, encoder_cfg2); + KUNIT_EXPECT_EQ(test, err, 0); + vkms_config_connector_for_each_possible_encoder(connector_cfg2, idx, + possible_encoder) { + n_encoders++; + if (possible_encoder != encoder_cfg2) + KUNIT_FAIL(test, "Unexpected possible encoder"); + } + KUNIT_ASSERT_EQ(test, n_encoders, 1); + + vkms_config_destroy(config); +} + +static struct kunit_case vkms_config_test_cases[] = { + KUNIT_CASE(vkms_config_test_empty_config), + KUNIT_CASE_PARAM(vkms_config_test_default_config, + default_config_gen_params), + KUNIT_CASE(vkms_config_test_get_planes), + KUNIT_CASE(vkms_config_test_get_crtcs), + KUNIT_CASE(vkms_config_test_get_encoders), + KUNIT_CASE(vkms_config_test_get_connectors), + KUNIT_CASE(vkms_config_test_invalid_plane_number), + KUNIT_CASE(vkms_config_test_valid_plane_type), + KUNIT_CASE(vkms_config_test_valid_plane_possible_crtcs), + KUNIT_CASE(vkms_config_test_invalid_crtc_number), + KUNIT_CASE(vkms_config_test_invalid_encoder_number), + KUNIT_CASE(vkms_config_test_valid_encoder_possible_crtcs), + KUNIT_CASE(vkms_config_test_invalid_connector_number), + KUNIT_CASE(vkms_config_test_valid_connector_possible_encoders), + KUNIT_CASE(vkms_config_test_attach_different_configs), + KUNIT_CASE(vkms_config_test_plane_attach_crtc), + KUNIT_CASE(vkms_config_test_plane_get_possible_crtcs), + KUNIT_CASE(vkms_config_test_encoder_get_possible_crtcs), + KUNIT_CASE(vkms_config_test_connector_get_possible_encoders), + {} +}; + +static struct kunit_suite vkms_config_test_suite = { + .name = "vkms-config", + .test_cases = vkms_config_test_cases, +}; + +kunit_test_suite(vkms_config_test_suite); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Kunit test for vkms config utility"); diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/drm/vkms/tests/vkms_format_test.c new file mode 100644 index 000000000000..2e1daef94831 --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <kunit/test.h> + +#include <drm/drm_fixed.h> +#include <drm/drm_fourcc.h> + +#include "../../drm_crtc_internal.h" + +#include "../vkms_formats.h" + +#define TEST_BUFF_SIZE 50 + +MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING"); + +/** + * struct pixel_yuv_u8 - Internal representation of a pixel color. + * @y: Luma value, stored in 8 bits, without padding, using + * machine endianness + * @u: Blue difference chroma value, stored in 8 bits, without padding, using + * machine endianness + * @v: Red difference chroma value, stored in 8 bits, without padding, using + * machine endianness + */ +struct pixel_yuv_u8 { + u8 y, u, v; +}; + +/* + * struct yuv_u8_to_argb_u16_case - Reference values to test the color + * conversions in VKMS between YUV to ARGB + * + * @encoding: Encoding used to convert RGB to YUV + * @range: Range used to convert RGB to YUV + * @n_colors: Count of test colors in this case + * @format_pair.name: Name used for this color conversion, used to + * clarify the test results + * @format_pair.rgb: RGB color tested + * @format_pair.yuv: Same color as @format_pair.rgb, but converted to + * YUV using @encoding and @range. + */ +struct yuv_u8_to_argb_u16_case { + enum drm_color_encoding encoding; + enum drm_color_range range; + size_t n_colors; + struct format_pair { + char *name; + struct pixel_yuv_u8 yuv; + struct pixel_argb_u16 argb; + } colors[TEST_BUFF_SIZE]; +}; + +/* + * The YUV color representation were acquired via the colour python framework. + * Below are the function calls used for generating each case. + * + * For more information got to the docs: + * https://colour.readthedocs.io/en/master/generated/colour.RGB_to_YCbCr.html + */ +static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + * + * Tests cases for color conversion generated by converting RGB + * values to YUV BT601 full range using the ITU-R BT.601 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT601, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xff, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x80, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x00, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x4c, 0x55, 0xff }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0x96, 0x2c, 0x15 }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x1d, 0xff, 0x6b }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + * Tests cases for color conversion generated by converting RGB + * values to YUV BT601 limited range using the ITU-R BT.601 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT601, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xeb, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x7e, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x10, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x51, 0x5a, 0xf0 }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0x91, 0x36, 0x22 }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x29, 0xf0, 0x6e }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + * Tests cases for color conversion generated by converting RGB + * values to YUV BT709 full range using the ITU-R BT.709 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT709, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xff, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x80, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x00, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x36, 0x63, 0xff }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0xb6, 0x1e, 0x0c }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x12, 0xff, 0x74 }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits = 16, + * int_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + * Tests cases for color conversion generated by converting RGB + * values to YUV BT709 limited range using the ITU-R BT.709 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT709, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xeb, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x7e, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x10, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x3f, 0x66, 0xf0 }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0xad, 0x2a, 0x1a }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x20, 0xf0, 0x76 }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + * Tests cases for color conversion generated by converting RGB + * values to YUV BT2020 full range using the ITU-R BT.2020 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT2020, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xff, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x80, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x00, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x43, 0x5c, 0xff }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0xad, 0x24, 0x0b }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x0f, 0xff, 0x76 }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, + /* + * colour.RGB_to_YCbCr(<rgb color in 16 bit form>, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + * Tests cases for color conversion generated by converting RGB + * values to YUV BT2020 limited range using the ITU-R BT.2020 weights. + */ + { + .encoding = DRM_COLOR_YCBCR_BT2020, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 6, + .colors = { + { "white", { 0xeb, 0x80, 0x80 }, { 0xffff, 0xffff, 0xffff, 0xffff }}, + { "gray", { 0x7e, 0x80, 0x80 }, { 0xffff, 0x8080, 0x8080, 0x8080 }}, + { "black", { 0x10, 0x80, 0x80 }, { 0xffff, 0x0000, 0x0000, 0x0000 }}, + { "red", { 0x4a, 0x61, 0xf0 }, { 0xffff, 0xffff, 0x0000, 0x0000 }}, + { "green", { 0xa4, 0x2f, 0x19 }, { 0xffff, 0x0000, 0xffff, 0x0000 }}, + { "blue", { 0x1d, 0xf0, 0x77 }, { 0xffff, 0x0000, 0x0000, 0xffff }}, + }, + }, +}; + +/* + * vkms_format_test_yuv_u8_to_argb_u16 - Testing the conversion between YUV + * colors to ARGB colors in VKMS + * + * This test will use the functions get_conversion_matrix_to_argb_u16 and + * argb_u16_from_yuv888 to convert YUV colors (stored in + * yuv_u8_to_argb_u16_cases) into ARGB colors. + * + * The conversion between YUV and RGB is not totally reversible, so there may be + * some difference between the expected value and the result. + * In addition, there may be some rounding error as the input color is 8 bits + * and output color is 16 bits. + */ +static void vkms_format_test_yuv_u8_to_argb_u16(struct kunit *test) +{ + const struct yuv_u8_to_argb_u16_case *param = test->param_value; + struct pixel_argb_u16 argb; + + for (size_t i = 0; i < param->n_colors; i++) { + const struct format_pair *color = ¶m->colors[i]; + struct conversion_matrix matrix; + + get_conversion_matrix_to_argb_u16 + (DRM_FORMAT_NV12, param->encoding, param->range, &matrix); + + argb = argb_u16_from_yuv888(color->yuv.y, color->yuv.u, color->yuv.v, &matrix); + + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.a, color->argb.a), 0x1ff, + "On the A channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.a, argb.a); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.r, color->argb.r), 0x1ff, + "On the R channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.r, argb.r); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.g, color->argb.g), 0x1ff, + "On the G channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.g, argb.g); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.b, color->argb.b), 0x1ff, + "On the B channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.b, argb.b); + } +} + +static void vkms_format_test_yuv_u8_to_argb_u16_case_desc(struct yuv_u8_to_argb_u16_case *t, + char *desc) +{ + snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s - %s", + drm_get_color_encoding_name(t->encoding), drm_get_color_range_name(t->range)); +} + +KUNIT_ARRAY_PARAM(yuv_u8_to_argb_u16, yuv_u8_to_argb_u16_cases, + vkms_format_test_yuv_u8_to_argb_u16_case_desc +); + +static struct kunit_case vkms_format_test_cases[] = { + KUNIT_CASE_PARAM(vkms_format_test_yuv_u8_to_argb_u16, yuv_u8_to_argb_u16_gen_params), + {} +}; + +static struct kunit_suite vkms_format_test_suite = { + .name = "vkms-format", + .test_cases = vkms_format_test_cases, +}; + +kunit_test_suite(vkms_format_test_suite); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Kunit test for vkms format conversion"); |