From c9f4b7cf9e8fc6c1bec6292865247c2bf6b6ecb4 Mon Sep 17 00:00:00 2001
From: Samuel Cobb <sjcobb2003@gmail.com>
Date: Wed, 24 Jul 2024 15:17:19 +0100
Subject: [PATCH] Revert "apply patch 2"

This reverts commit 43e46cb0c47cf4228f44fcd12dd385fd7c09f485.
---
 include/aquamarine/backend/Backend.hpp |  2 +-
 src/backend/Backend.cpp                | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/aquamarine/backend/Backend.hpp b/include/aquamarine/backend/Backend.hpp
index 59c54d6..5848722 100644
--- a/include/aquamarine/backend/Backend.hpp
+++ b/include/aquamarine/backend/Backend.hpp
@@ -113,7 +113,7 @@ namespace Aquamarine {
         void removeIdleEvent(Hyprutils::Memory::CSharedPointer<std::function<void(void)>> pfn);
 
         // utils
-        int reopenDRMNode(int drmFD, bool allowRenderNode = false);
+        int reopenDRMNode(int drmFD, bool allowRenderNode = true);
 
         struct {
             Hyprutils::Signal::CSignal newOutput;
diff --git a/src/backend/Backend.cpp b/src/backend/Backend.cpp
index 7818279..64eb9a0 100644
--- a/src/backend/Backend.cpp
+++ b/src/backend/Backend.cpp
@@ -271,6 +271,20 @@ void Aquamarine::CBackend::dispatchIdle() {
 // Yoinked from wlroots, render/allocator/allocator.c
 // Ref-counting reasons, see https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/110
 int Aquamarine::CBackend::reopenDRMNode(int drmFD, bool allowRenderNode) {
+
+    if (drmIsMaster(drmFD)) {
+        // Only recent kernels support empty leases
+        uint32_t lesseeID = 0;
+        int      leaseFD  = drmModeCreateLease(drmFD, nullptr, 0, O_CLOEXEC, &lesseeID);
+        if (leaseFD >= 0) {
+            return leaseFD;
+        } else if (leaseFD != -EINVAL && leaseFD != -EOPNOTSUPP) {
+            log(AQ_LOG_ERROR, "reopenDRMNode: drmModeCreateLease failed");
+            return -1;
+        }
+        log(AQ_LOG_DEBUG, "reopenDRMNode: drmModeCreateLease failed, falling back to open");
+    }
+
     char* name = nullptr;
     if (allowRenderNode)
         name = drmGetRenderDeviceNameFromFd(drmFD);