diff options
Diffstat (limited to 'drivers/gpu/drm/drm_client_event.c')
| -rw-r--r-- | drivers/gpu/drm/drm_client_event.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_client_event.c b/drivers/gpu/drm/drm_client_event.c index e303de564485..bd93cd93d519 100644 --- a/drivers/gpu/drm/drm_client_event.c +++ b/drivers/gpu/drm/drm_client_event.c @@ -49,6 +49,29 @@ void drm_client_dev_unregister(struct drm_device *dev) } EXPORT_SYMBOL(drm_client_dev_unregister); +static void drm_client_hotplug(struct drm_client_dev *client) +{ + struct drm_device *dev = client->dev; + int ret; + + if (!client->funcs || !client->funcs->hotplug) + return; + + if (client->hotplug_failed) + return; + + if (client->suspended) { + client->hotplug_pending = true; + return; + } + + client->hotplug_pending = false; + ret = client->funcs->hotplug(client); + drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); + if (ret) + client->hotplug_failed = true; +} + /** * drm_client_dev_hotplug - Send hotplug event to clients * @dev: DRM device @@ -61,7 +84,6 @@ EXPORT_SYMBOL(drm_client_dev_unregister); void drm_client_dev_hotplug(struct drm_device *dev) { struct drm_client_dev *client; - int ret; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return; @@ -72,18 +94,8 @@ void drm_client_dev_hotplug(struct drm_device *dev) } mutex_lock(&dev->clientlist_mutex); - list_for_each_entry(client, &dev->clientlist, list) { - if (!client->funcs || !client->funcs->hotplug) - continue; - - if (client->hotplug_failed) - continue; - - ret = client->funcs->hotplug(client); - drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); - if (ret) - client->hotplug_failed = true; - } + list_for_each_entry(client, &dev->clientlist, list) + drm_client_hotplug(client); mutex_unlock(&dev->clientlist_mutex); } EXPORT_SYMBOL(drm_client_dev_hotplug); @@ -153,6 +165,9 @@ static int drm_client_resume(struct drm_client_dev *client, bool holds_console_l client->suspended = false; + if (client->hotplug_pending) + drm_client_hotplug(client); + return ret; } |