From 4aebf0d7302e0afa431f7904e2dc948a64149eff Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Mon, 27 Sep 2021 00:10:31 +0200
Subject: [PATCH] platforms/drm: fix legacy dpms

BUG: 442969
---
 src/plugins/platforms/drm/drm_pipeline.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/drm/drm_pipeline.cpp b/src/plugins/platforms/drm/drm_pipeline.cpp
index 19f80a65f9..dede8cd1c5 100644
--- a/src/plugins/platforms/drm/drm_pipeline.cpp
+++ b/src/plugins/platforms/drm/drm_pipeline.cpp
@@ -380,7 +380,7 @@ bool DrmPipeline::setActive(bool active)
             success = atomicCommit();
         }
     } else {
-        m_connector->getProp(DrmConnector::PropertyIndex::Dpms)->setPropertyLegacy(active ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
+        success = m_connector->getProp(DrmConnector::PropertyIndex::Dpms)->setPropertyLegacy(active ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
     }
     if (!success) {
         qCWarning(KWIN_DRM) << "Setting active to" << active << "failed" << strerror(errno);