diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index 8721dc23312f..491eddf9b150 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -459,6 +459,9 @@ static int etnaviv_ioctl_pm_query_dom(struct drm_device *dev, void *data,
 	struct drm_etnaviv_pm_domain *args = data;
 	struct etnaviv_gpu *gpu;
 
+	/* reject as long as the feature isn't stable */
+	return -EINVAL;
+
 	if (args->pipe >= ETNA_MAX_PIPES)
 		return -EINVAL;
 
@@ -476,6 +479,9 @@ static int etnaviv_ioctl_pm_query_sig(struct drm_device *dev, void *data,
 	struct drm_etnaviv_pm_signal *args = data;
 	struct etnaviv_gpu *gpu;
 
+	/* reject as long as the feature isn't stable */
+	return -EINVAL;
+
 	if (args->pipe >= ETNA_MAX_PIPES)
 		return -EINVAL;