diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index a1473ff..84f2689 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -130,6 +130,43 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, return NULL; } +static struct nouveau_encoder * +nouveau_connector_of_detect(struct drm_connector *connector) +{ +#ifdef __powerpc__ + struct drm_device *dev = connector->dev; + struct nouveau_connector *nv_connector = nouveau_connector(connector); + struct nouveau_encoder *nv_encoder; + struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); + + printk("%d: %p\n", __LINE__, dn); + + if (!dn || + !((nv_encoder = find_encoder_by_type(connector, OUTPUT_TMDS)) || + (nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG)))) + return NULL; + + printk("%d: %p\n", __LINE__, nv_encoder); + + for_each_child_of_node(dn, cn) { + const char *name = of_get_property(cn, "name", NULL); + const void *edid = of_get_property(cn, "EDID", NULL); + int idx = name ? name[strlen(name) - 1] - 'A' : 0; + + printk("%d: %s %s %p %d %d\n", __LINE__, cn->name, name, edid, + idx, nv_encoder->dcb->i2c_index); + + if (nv_encoder->dcb->i2c_index == idx && edid) { + nv_connector->edid = + kmemdup(edid, EDID_LENGTH, GFP_KERNEL); + of_node_put(cn); + return nv_encoder; + } + } +#endif + return NULL; +} + static void nouveau_connector_set_encoder(struct drm_connector *connector, struct nouveau_encoder *nv_encoder) @@ -225,6 +262,12 @@ nouveau_connector_detect(struct drm_connector *connector) return connector_status_connected; } + nv_encoder = nouveau_connector_of_detect(connector); + if (nv_encoder) { + nouveau_connector_set_encoder(connector, nv_encoder); + return connector_status_connected; + } + detect_analog: nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG); if (!nv_encoder && !nouveau_tv_disable)