From debea631f38a37580921311ab0cf316105873da4 Mon Sep 17 00:00:00 2001
From: Bhushan Shah <bhush94@gmail.com>
Date: Thu, 4 Mar 2021 13:25:40 +0530
Subject: [PATCH] platforms/drm: inhibit the renderloop when screen is turned
 off

Otherwise we will continue using gpu resources even when we can not show
any content on screen.
---
 src/plugins/platforms/drm/drm_output.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/platforms/drm/drm_output.cpp b/src/plugins/platforms/drm/drm_output.cpp
index 47d0ffa18e..94c6352b57 100644
--- a/src/plugins/platforms/drm/drm_output.cpp
+++ b/src/plugins/platforms/drm/drm_output.cpp
@@ -515,6 +515,7 @@ void DrmOutput::dpmsFinishOn()
 
     m_backend->checkOutputsAreOn();
     m_crtc->blank(this);
+    m_renderLoop->uninhibit();
     if (Compositor *compositor = Compositor::self()) {
         compositor->addRepaintFull();
     }
@@ -530,6 +531,7 @@ void DrmOutput::dpmsFinishOff()
     } else {
         waylandOutput()->setDpmsMode(toWaylandDpmsMode(DpmsMode::Off));
     }
+    m_renderLoop->inhibit();
 }
 
 bool DrmOutput::dpmsLegacyApply()