From 70f4321a9321c9eaf9afaba8b81ff28633634a72 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Tue, 25 Jun 2024 18:34:44 +0200
Subject: [PATCH] drm/legacy: fix crash on null mode commit

---
 src/backend/drm/impl/Legacy.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/backend/drm/impl/Legacy.cpp b/src/backend/drm/impl/Legacy.cpp
index 368fee9..2f6079b 100644
--- a/src/backend/drm/impl/Legacy.cpp
+++ b/src/backend/drm/impl/Legacy.cpp
@@ -41,9 +41,12 @@ bool Aquamarine::CDRMLegacyImpl::commitInternal(Hyprutils::Memory::CSharedPointe
             mode = (drmModeModeInfo*)&data.modeInfo;
         }
 
-        connector->backend->backend->log(
-            AQ_LOG_DEBUG,
-            std::format("legacy drm: Modesetting CRTC, mode: clock {} hdisplay {} vdisplay {} vrefresh {}", mode->clock, mode->hdisplay, mode->vdisplay, mode->vrefresh));
+        if (mode) {
+            connector->backend->backend->log(
+                AQ_LOG_DEBUG,
+                std::format("legacy drm: Modesetting CRTC, mode: clock {} hdisplay {} vdisplay {} vrefresh {}", mode->clock, mode->hdisplay, mode->vdisplay, mode->vrefresh));
+        } else
+            connector->backend->backend->log(AQ_LOG_DEBUG, "legacy drm: Modesetting CRTC, mode null");
 
         if (auto ret = drmModeSetCrtc(connector->backend->gpu->fd, connector->crtc->id, mainFB ? mainFB->id : -1, 0, 0, connectors.data(), connectors.size(), mode); ret) {
             connector->backend->backend->log(AQ_LOG_ERROR, std::format("legacy drm: drmModeSetCrtc failed: {}", strerror(-ret)));