From c56517eccc258a8a3cf7fc953540b10de3f3ac26 Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Thu, 13 Oct 2022 10:19:18 +0300
Subject: [PATCH] backends/drm: Fix leaving dangling dpms input event filter

If the output is turned back on before m_turnOffTimer expires, the
dpms input event filter won't be reset and all input events will go to
the void.

BUG: 460322
---
 src/backends/drm/drm_output.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backends/drm/drm_output.cpp b/src/backends/drm/drm_output.cpp
index 40d42aef2f..b95146fe9e 100644
--- a/src/backends/drm/drm_output.cpp
+++ b/src/backends/drm/drm_output.cpp
@@ -250,6 +250,7 @@ void DrmOutput::setDpmsMode(DpmsMode mode)
             m_gpu->platform()->createDpmsFilter();
         }
     } else {
+        m_gpu->platform()->checkOutputsAreOn();
         m_turnOffTimer.stop();
         if (mode != dpmsMode() && setDrmDpmsMode(mode)) {
             Q_EMIT wakeUp();