For non-CRTC displays, the drm_atomic_helper_connector_dpms will always set the connector back the old DPMS state before returning. This makes it impossible to change DPMS state. fixes: 0853695c3ba46f97dfc0b5885f7b7e640ca212dd Signed-off-by: Marta Lofstedt <marta.lofstedt@xxxxxxxxx> --- drivers/gpu/drm/drm_atomic_helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 494680c..6a5acb9 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2885,8 +2885,8 @@ int drm_atomic_helper_connector_dpms(struct drm_connector *connector, fail: if (ret == -EDEADLK) goto backoff; - - connector->dpms = old_mode; + if (ret != 0) + connector->dpms = old_mode; drm_atomic_state_put(state); return ret; -- 2.9.3 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel