diff --git a/msm/sde/sde_connector.c b/msm/sde/sde_connector.c index 013ebf81887f..6c6a5a6e3585 100644 --- a/msm/sde/sde_connector.c +++ b/msm/sde/sde_connector.c @@ -1026,6 +1026,9 @@ void sde_connector_destroy(struct drm_connector *connector) c_conn = to_sde_connector(connector); + if (c_conn->sysfs_dev) + device_unregister(c_conn->sysfs_dev); + /* cancel if any pending esd work */ sde_connector_schedule_status_work(connector, false); @@ -2845,6 +2848,65 @@ static int _sde_connector_install_properties(struct drm_device *dev, return 0; } +static ssize_t panel_power_state_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct drm_connector *conn; + struct sde_connector *sde_conn; + + conn = dev_get_drvdata(device); + sde_conn = to_sde_connector(conn); + + return scnprintf(buf, PAGE_SIZE, "%d\n", sde_conn->last_panel_power_mode); +} + +static DEVICE_ATTR_RO(panel_power_state); + +static struct attribute *sde_connector_dev_attrs[] = { + &dev_attr_panel_power_state.attr, + NULL +}; + +static const struct attribute_group sde_connector_attr_group = { + .attrs = sde_connector_dev_attrs, +}; +static const struct attribute_group *sde_connector_attr_groups[] = { + &sde_connector_attr_group, + NULL, +}; + +int sde_connector_post_init(struct drm_device *dev, struct drm_connector *conn) +{ + struct sde_connector *c_conn; + int rc = 0; + + if (!dev || !dev->primary || !dev->primary->kdev || !conn) { + SDE_ERROR("invalid input param(s)\n"); + rc = -EINVAL; + return rc; + } + + c_conn = to_sde_connector(conn); + + if (conn->connector_type != DRM_MODE_CONNECTOR_DSI) + return rc; + + c_conn->sysfs_dev = + device_create_with_groups(dev->primary->kdev->class, dev->primary->kdev, 0, + conn, sde_connector_attr_groups, "sde-conn-%d-%s", conn->index, + conn->name); + if (IS_ERR_OR_NULL(c_conn->sysfs_dev)) { + SDE_ERROR("connector:%d sysfs create failed rc:%ld\n", &c_conn->base.index, + PTR_ERR(c_conn->sysfs_dev)); + if (!c_conn->sysfs_dev) + rc = -EINVAL; + else + rc = PTR_ERR(c_conn->sysfs_dev); + } + + return rc; +} + struct drm_connector *sde_connector_init(struct drm_device *dev, struct drm_encoder *encoder, struct drm_panel *panel, diff --git a/msm/sde/sde_connector.h b/msm/sde/sde_connector.h index 2407b7efed42..3caa1fa60666 100644 --- a/msm/sde/sde_connector.h +++ b/msm/sde/sde_connector.h @@ -511,6 +511,7 @@ struct sde_connector { int dpms_mode; int lp_mode; int last_panel_power_mode; + struct device *sysfs_dev; struct msm_property_info property_info; struct msm_property_data property_data[CONNECTOR_PROP_COUNT]; @@ -753,6 +754,15 @@ int sde_connector_set_property_for_commit(struct drm_connector *connector, struct drm_atomic_state *atomic_state, uint32_t property_idx, uint64_t value); +/** + * sde_connector_post_init - update connector object with post initialization. + * It can update the debugfs, sysfs, entries + * @dev: Pointer to drm device struct + * @conn: Pointer to drm connector + * Returns: Zero on success + */ +int sde_connector_post_init(struct drm_device *dev, struct drm_connector *conn); + /** * sde_connector_init - create drm connector object for a given display * @dev: Pointer to drm device struct diff --git a/msm/sde/sde_kms.c b/msm/sde/sde_kms.c index bb7f41ec65db..862fd2e18659 100644 --- a/msm/sde/sde_kms.c +++ b/msm/sde/sde_kms.c @@ -2176,6 +2176,8 @@ static int sde_kms_postinit(struct msm_kms *kms) struct sde_kms *sde_kms = to_sde_kms(kms); struct drm_device *dev; struct drm_crtc *crtc; + struct drm_connector *conn; + struct drm_connector_list_iter conn_iter; int rc; if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev) { @@ -2192,6 +2194,10 @@ static int sde_kms_postinit(struct msm_kms *kms) drm_for_each_crtc(crtc, dev) sde_crtc_post_init(dev, crtc); + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(conn, &conn_iter) + sde_connector_post_init(dev, conn); + drm_connector_list_iter_end(&conn_iter); return rc; }