{
        struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
        struct drm_encoder *encoder;
-       int ret;
 
        NV_ATOMIC(drm, "%s: mstm cleanup\n", mstm->outp->base.base.name);
-       ret = drm_dp_check_act_status(&mstm->mgr);
+       drm_dp_check_act_status(&mstm->mgr);
 
-       ret = drm_dp_update_payload_part2(&mstm->mgr);
+       drm_dp_update_payload_part2(&mstm->mgr);
 
        drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
                if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
 {
        struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
        struct drm_encoder *encoder;
-       int ret;
 
        NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
-       ret = drm_dp_update_payload_part1(&mstm->mgr);
+       drm_dp_update_payload_part1(&mstm->mgr);
 
        drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
                if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {