diff options
| author |   Lyude Paul <lyude@redhat.com> | 2021-04-23 14:42:54 -0400 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2021-04-27 18:43:41 -0400 |
| commit | fd43ad9d47e74018d4487dcb3f828ae398fb3530 (patch) | |
| tree | e0ae784e095c95bfe421134d2ae32676f2268792 | |
| parent | drm/bridge/cdns-mhdp8546: Register DP aux channel with userspace (diff) | |
| download | linux-dev-fd43ad9d47e74018d4487dcb3f828ae398fb3530.tar.xz linux-dev-fd43ad9d47e74018d4487dcb3f828ae398fb3530.zip | |
drm/nouveau/kms/nv50-: Move AUX adapter reg to connector late register/early unregister
Since AUX adapters on nouveau have their respective DRM connectors as
parents, we need to make sure that we register then after their connectors.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423184309.207645-3-lyude@redhat.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 61e6d7412505..c04044be3d32 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -401,7 +401,6 @@ nouveau_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); if (nv_connector->aux.transfer) { drm_dp_cec_unregister_connector(&nv_connector->aux); - drm_dp_aux_unregister(&nv_connector->aux); kfree(nv_connector->aux.name); } kfree(connector); @@ -905,13 +904,29 @@ nouveau_connector_late_register(struct drm_connector *connector) int ret; ret = nouveau_backlight_init(connector); + if (ret) + return ret; + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { + ret = drm_dp_aux_register(&nouveau_connector(connector)->aux); + if (ret) + goto backlight_fini; + } + + return 0; +backlight_fini: + nouveau_backlight_fini(connector); return ret; } static void nouveau_connector_early_unregister(struct drm_connector *connector) { + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) + drm_dp_aux_unregister(&nouveau_connector(connector)->aux); + nouveau_backlight_fini(connector); } @@ -1343,14 +1358,14 @@ nouveau_connector_create(struct drm_device *dev, snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", dcbe->hasht, dcbe->hashm); nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); - ret = drm_dp_aux_register(&nv_connector->aux); + drm_dp_aux_init(&nv_connector->aux); if (ret) { - NV_ERROR(drm, "failed to register aux channel\n"); + NV_ERROR(drm, "Failed to init AUX adapter for sor-%04x-%04x: %d\n", + dcbe->hasht, dcbe->hashm, ret); kfree(nv_connector); return ERR_PTR(ret); } - funcs = &nouveau_connector_funcs; - break; + fallthrough; default: funcs = &nouveau_connector_funcs; break; |