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authorLyude Paul <lyude@redhat.com>2021-04-23 21:42:54 +0300
committerLyude Paul <lyude@redhat.com>2021-04-28 01:43:41 +0300
commitfd43ad9d47e74018d4487dcb3f828ae398fb3530 (patch)
treee0ae784e095c95bfe421134d2ae32676f2268792 /drivers/gpu
parenteaf8974ea2d9c3ccad3af582df9ff74360b3e3d9 (diff)
downloadlinux-fd43ad9d47e74018d4487dcb3f828ae398fb3530.tar.xz
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c25
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;