From 74d05d0adc14d920aa780b2ca2a51c9ca14fadd7 Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Fri, 28 Oct 2022 23:48:48 +0100
Subject: [PATCH] ensure VRR for current display only in onConnect

---
 src/config/ConfigManager.cpp | 15 ++++++++++++---
 src/config/ConfigManager.hpp |  2 +-
 src/helpers/Monitor.cpp      |  2 +-
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index bad134b1..d3b6e507 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -1553,10 +1553,10 @@ void CConfigManager::ensureDPMS() {
     }
 }
 
-void CConfigManager::ensureVRR() {
+void CConfigManager::ensureVRR(CMonitor* pMonitor) {
     static auto *const PNOVRR = &getConfigValuePtr("misc:no_vfr")->intValue;
-    
-    for (auto& m : g_pCompositor->m_vMonitors) {
+
+    auto ensureVRRForDisplay = [&](CMonitor* m) -> void {
         if (!*PNOVRR && !m->vrrActive) {
             // Adaptive sync (VRR)
             wlr_output_enable_adaptive_sync(m->output, 1);
@@ -1584,6 +1584,15 @@ void CConfigManager::ensureVRR() {
 
             Debug::log(LOG, "VRR ensured on %s -> false", m->output->name);
         }
+    };
+
+    if (pMonitor) {
+        ensureVRRForDisplay(pMonitor);
+        return;
+    }
+
+    for (auto& m : g_pCompositor->m_vMonitors) {
+        ensureVRRForDisplay(m.get());
     }
 }
 
diff --git a/src/config/ConfigManager.hpp b/src/config/ConfigManager.hpp
index 549beab8..e390a93b 100644
--- a/src/config/ConfigManager.hpp
+++ b/src/config/ConfigManager.hpp
@@ -152,7 +152,7 @@ public:
     bool                m_bForceReload = false;
     bool                m_bNoMonitorReload = false;
     void                ensureDPMS();
-    void                ensureVRR();
+    void                ensureVRR(CMonitor* pMonitor = nullptr);
 
     std::string         parseKeyword(const std::string&, const std::string&, bool dynamic = false);
 
diff --git a/src/helpers/Monitor.cpp b/src/helpers/Monitor.cpp
index 7b008566..39f1b910 100644
--- a/src/helpers/Monitor.cpp
+++ b/src/helpers/Monitor.cpp
@@ -134,7 +134,7 @@ void CMonitor::onConnect(bool noRule) {
     g_pEventManager->postEvent(SHyprIPCEvent{"monitoradded", szName});
 
     // ensure VRR (will enable if necessary)
-    g_pConfigManager->ensureVRR();
+    g_pConfigManager->ensureVRR(this);
 }
 
 void CMonitor::onDisconnect() {