Add a way for clients to disable all outputs.
Signed-off-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/drm_client_modeset.c | 20 ++++++++++++++++++++ include/drm/drm_client.h | 1 + 2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 9d1ab69dd8d0..b96183fadd4c 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -1225,3 +1225,23 @@ int drm_client_modeset_dpms(struct drm_client_dev *client, int mode) return ret; } EXPORT_SYMBOL(drm_client_modeset_dpms); + +/** + * drm_client_modeset_disable() - Disable all outputs + * @client: DRM client + * + * This function disables all outputs by first clearing the modeset array and + * then committing the empty modesets. + * + * Returns: + * Zero on success or negative error code on failure. + */ +int drm_client_modeset_disable(struct drm_client_dev *client) +{ + mutex_lock(&client->modeset_mutex); + drm_client_modeset_release(client); + mutex_unlock(&client->modeset_mutex); + + return drm_client_modeset_commit(client); +} +EXPORT_SYMBOL(drm_client_modeset_disable); diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 76704f48fc46..498089b647da 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -168,6 +168,7 @@ int drm_client_modeset_check(struct drm_client_dev *client); int drm_client_modeset_commit_locked(struct drm_client_dev *client); int drm_client_modeset_commit(struct drm_client_dev *client); int drm_client_modeset_dpms(struct drm_client_dev *client, int mode); +int drm_client_modeset_disable(struct drm_client_dev *client);
/** * drm_client_for_each_modeset() - Iterate over client modesets