From d3a2a8ea6e5ac1bf2352324a3718d1d7760d1925 Mon Sep 17 00:00:00 2001
From: zhenyan huang <huangzhenyan@uniontech.com>
Date: Wed, 11 Dec 2024 12:26:02 +0000
Subject: [PATCH] backends/drm: fix the incorrect use of std::optional

we only enable an output if we do declare it's enabled = true.
---
 src/backends/drm/drm_backend.cpp | 2 +-
 src/core/outputbackend.cpp       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backends/drm/drm_backend.cpp b/src/backends/drm/drm_backend.cpp
index fcb15b5a18..afccaeca55 100644
--- a/src/backends/drm/drm_backend.cpp
+++ b/src/backends/drm/drm_backend.cpp
@@ -377,7 +377,7 @@ bool DrmBackend::applyOutputChanges(const OutputConfiguration &config)
             }
             if (const auto changeset = config.constChangeSet(output)) {
                 output->queueChanges(changeset);
-                if (changeset->enabled) {
+                if (changeset->enabled.value_or(output->isEnabled())) {
                     toBeEnabled << output;
                 } else {
                     toBeDisabled << output;
diff --git a/src/core/outputbackend.cpp b/src/core/outputbackend.cpp
index 6d7631cd4a..e38b57839c 100644
--- a/src/core/outputbackend.cpp
+++ b/src/core/outputbackend.cpp
@@ -50,7 +50,7 @@ bool OutputBackend::applyOutputChanges(const OutputConfiguration &config)
     QList<Output *> toBeDisabledOutputs;
     for (const auto &output : availableOutputs) {
         if (const auto changeset = config.constChangeSet(output)) {
-            if (changeset->enabled) {
+            if (changeset->enabled.value_or(output->isEnabled())) {
                 toBeEnabledOutputs << output;
             } else {
                 toBeDisabledOutputs << output;