diff options
| -rw-r--r-- | .clang-format | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/tests/vkms_config_test.c | 102 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_config.c | 64 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_config.h | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_output.c | 33 |
5 files changed, 216 insertions, 13 deletions
diff --git a/.clang-format b/.clang-format index ca49832993c5..7630990aa07a 100644 --- a/.clang-format +++ b/.clang-format @@ -694,6 +694,7 @@ ForEachMacros: - 'vkms_config_for_each_crtc' - 'vkms_config_for_each_encoder' - 'vkms_config_for_each_plane' + - 'vkms_config_connector_for_each_possible_encoder' - 'vkms_config_encoder_for_each_possible_crtc' - 'vkms_config_plane_for_each_possible_crtc' - 'while_for_each_ftrace_op' diff --git a/drivers/gpu/drm/vkms/tests/vkms_config_test.c b/drivers/gpu/drm/vkms/tests/vkms_config_test.c index 610bcde3e018..ff4566cf9925 100644 --- a/drivers/gpu/drm/vkms/tests/vkms_config_test.c +++ b/drivers/gpu/drm/vkms/tests/vkms_config_test.c @@ -584,12 +584,32 @@ static void vkms_config_test_invalid_connector_number(struct kunit *test) 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"); @@ -601,10 +621,12 @@ static void vkms_config_test_attach_different_configs(struct kunit *test) 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); @@ -612,6 +634,8 @@ static void vkms_config_test_attach_different_configs(struct kunit *test) 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); @@ -623,6 +647,11 @@ static void vkms_config_test_attach_different_configs(struct kunit *test) 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); } @@ -816,6 +845,77 @@ static void vkms_config_test_encoder_get_possible_crtcs(struct kunit *test) 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, @@ -831,10 +931,12 @@ static struct kunit_case vkms_config_test_cases[] = { 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), {} }; diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c index fbbdee6068ce..a1df5659b0fb 100644 --- a/drivers/gpu/drm/vkms/vkms_config.c +++ b/drivers/gpu/drm/vkms/vkms_config.c @@ -95,6 +95,9 @@ struct vkms_config *vkms_config_default_create(bool enable_cursor, if (IS_ERR(connector_cfg)) goto err_alloc; + if (vkms_config_connector_attach_encoder(connector_cfg, encoder_cfg)) + goto err_alloc; + return config; err_alloc: @@ -279,6 +282,22 @@ static bool valid_connector_number(const struct vkms_config *config) return true; } +static bool valid_connector_possible_encoders(const struct vkms_config *config) +{ + struct drm_device *dev = config->dev ? &config->dev->drm : NULL; + struct vkms_config_connector *connector_cfg; + + vkms_config_for_each_connector(config, connector_cfg) { + if (xa_empty(&connector_cfg->possible_encoders)) { + drm_info(dev, + "All connectors must have at least one possible encoder\n"); + return false; + } + } + + return true; +} + bool vkms_config_is_valid(const struct vkms_config *config) { struct vkms_config_crtc *crtc_cfg; @@ -306,6 +325,9 @@ bool vkms_config_is_valid(const struct vkms_config *config) if (!valid_encoder_possible_crtcs(config)) return false; + if (!valid_connector_possible_encoders(config)) + return false; + return true; } EXPORT_SYMBOL_IF_KUNIT(vkms_config_is_valid); @@ -513,6 +535,11 @@ EXPORT_SYMBOL_IF_KUNIT(vkms_config_create_encoder); void vkms_config_destroy_encoder(struct vkms_config *config, struct vkms_config_encoder *encoder_cfg) { + struct vkms_config_connector *connector_cfg; + + vkms_config_for_each_connector(config, connector_cfg) + vkms_config_connector_detach_encoder(connector_cfg, encoder_cfg); + xa_destroy(&encoder_cfg->possible_crtcs); list_del(&encoder_cfg->link); kfree(encoder_cfg); @@ -561,6 +588,7 @@ struct vkms_config_connector *vkms_config_create_connector(struct vkms_config *c return ERR_PTR(-ENOMEM); connector_cfg->config = config; + xa_init_flags(&connector_cfg->possible_encoders, XA_FLAGS_ALLOC); list_add_tail(&connector_cfg->link, &config->connectors); @@ -570,7 +598,43 @@ EXPORT_SYMBOL_IF_KUNIT(vkms_config_create_connector); void vkms_config_destroy_connector(struct vkms_config_connector *connector_cfg) { + xa_destroy(&connector_cfg->possible_encoders); list_del(&connector_cfg->link); kfree(connector_cfg); } EXPORT_SYMBOL_IF_KUNIT(vkms_config_destroy_connector); + +int __must_check vkms_config_connector_attach_encoder(struct vkms_config_connector *connector_cfg, + struct vkms_config_encoder *encoder_cfg) +{ + struct vkms_config_encoder *possible_encoder; + unsigned long idx = 0; + u32 encoder_idx = 0; + + if (connector_cfg->config != encoder_cfg->config) + return -EINVAL; + + vkms_config_connector_for_each_possible_encoder(connector_cfg, idx, + possible_encoder) { + if (possible_encoder == encoder_cfg) + return -EEXIST; + } + + return xa_alloc(&connector_cfg->possible_encoders, &encoder_idx, + encoder_cfg, xa_limit_32b, GFP_KERNEL); +} +EXPORT_SYMBOL_IF_KUNIT(vkms_config_connector_attach_encoder); + +void vkms_config_connector_detach_encoder(struct vkms_config_connector *connector_cfg, + struct vkms_config_encoder *encoder_cfg) +{ + struct vkms_config_encoder *possible_encoder; + unsigned long idx = 0; + + vkms_config_connector_for_each_possible_encoder(connector_cfg, idx, + possible_encoder) { + if (possible_encoder == encoder_cfg) + xa_erase(&connector_cfg->possible_encoders, idx); + } +} +EXPORT_SYMBOL_IF_KUNIT(vkms_config_connector_detach_encoder); diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h index 73562c894102..0118e3f99706 100644 --- a/drivers/gpu/drm/vkms/vkms_config.h +++ b/drivers/gpu/drm/vkms/vkms_config.h @@ -99,6 +99,7 @@ struct vkms_config_encoder { * * @link: Link to the others connector in vkms_config * @config: The vkms_config this connector belongs to + * @possible_encoders: Array of encoders that can be used with this connector * @connector: Internal usage. This pointer should never be considered as valid. * It can be used to store a temporary reference to a VKMS connector * during device creation. This pointer is not managed by the @@ -108,6 +109,8 @@ struct vkms_config_connector { struct list_head link; struct vkms_config *config; + struct xarray possible_encoders; + /* Internal usage */ struct vkms_connector *connector; }; @@ -165,6 +168,16 @@ struct vkms_config_connector { xa_for_each(&(encoder_cfg)->possible_crtcs, idx, (possible_crtc)) /** + * vkms_config_connector_for_each_possible_encoder - Iterate over the + * vkms_config_connector possible encoders + * @connector_cfg: &struct vkms_config_connector pointer + * @idx: Index of the cursor + * @possible_encoder: &struct vkms_config_encoder pointer used as cursor + */ +#define vkms_config_connector_for_each_possible_encoder(connector_cfg, idx, possible_encoder) \ + xa_for_each(&(connector_cfg)->possible_encoders, idx, (possible_encoder)) + +/** * vkms_config_create() - Create a new VKMS configuration * @dev_name: Name of the device * @@ -405,4 +418,20 @@ struct vkms_config_connector *vkms_config_create_connector(struct vkms_config *c */ void vkms_config_destroy_connector(struct vkms_config_connector *connector_cfg); +/** + * vkms_config_connector_attach_encoder - Attach a connector to an encoder + * @connector_cfg: Connector to attach + * @encoder_cfg: Encoder to attach @connector_cfg to + */ +int __must_check vkms_config_connector_attach_encoder(struct vkms_config_connector *connector_cfg, + struct vkms_config_encoder *encoder_cfg); + +/** + * vkms_config_connector_detach_encoder - Detach a connector from an encoder + * @connector_cfg: Connector to detach + * @encoder_cfg: Encoder to detach @connector_cfg from + */ +void vkms_config_connector_detach_encoder(struct vkms_config_connector *connector_cfg, + struct vkms_config_encoder *encoder_cfg); + #endif /* _VKMS_CONFIG_H_ */ diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c index 8920d6b5d105..8d7ca0cdd79f 100644 --- a/drivers/gpu/drm/vkms/vkms_output.c +++ b/drivers/gpu/drm/vkms/vkms_output.c @@ -8,10 +8,10 @@ int vkms_output_init(struct vkms_device *vkmsdev) { struct drm_device *dev = &vkmsdev->drm; - struct vkms_connector *connector; struct vkms_config_plane *plane_cfg; struct vkms_config_crtc *crtc_cfg; struct vkms_config_encoder *encoder_cfg; + struct vkms_config_connector *connector_cfg; int ret; int writeback; @@ -83,22 +83,29 @@ int vkms_output_init(struct vkms_device *vkmsdev) } } - connector = vkms_connector_init(vkmsdev); - if (IS_ERR(connector)) { - DRM_ERROR("Failed to init connector\n"); - return PTR_ERR(connector); - } + vkms_config_for_each_connector(vkmsdev->config, connector_cfg) { + struct vkms_config_encoder *possible_encoder; + unsigned long idx = 0; - /* Attach the encoder and the connector */ - vkms_config_for_each_encoder(vkmsdev->config, encoder_cfg) { - ret = drm_connector_attach_encoder(&connector->base, encoder_cfg->encoder); - if (ret) { - DRM_ERROR("Failed to attach connector to encoder\n"); - return ret; + connector_cfg->connector = vkms_connector_init(vkmsdev); + if (IS_ERR(connector_cfg->connector)) { + DRM_ERROR("Failed to init connector\n"); + return PTR_ERR(connector_cfg->connector); + } + + vkms_config_connector_for_each_possible_encoder(connector_cfg, + idx, + possible_encoder) { + ret = drm_connector_attach_encoder(&connector_cfg->connector->base, + possible_encoder->encoder); + if (ret) { + DRM_ERROR("Failed to attach connector to encoder\n"); + return ret; + } } } drm_mode_config_reset(dev); - return ret; + return 0; } |