From 18f857b1f3f772ca9b2f5ded456149f212399d55 Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Sun, 11 Apr 2021 20:48:47 +0200
Subject: [PATCH] platforms/drm: fix crash with multi-gpu

---
 src/plugins/platforms/drm/egl_gbm_backend.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/plugins/platforms/drm/egl_gbm_backend.cpp b/src/plugins/platforms/drm/egl_gbm_backend.cpp
index 12514d9a5b..aaa775b673 100644
--- a/src/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/src/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -272,13 +272,13 @@ int EglGbmBackend::getDmabufForSecondaryGpuOutput(AbstractOutput *output, uint32
         return -1;
     }
     it->secondaryBuffer = QSharedPointer<GbmBuffer>::create(it->gbmSurface);
-    int fd = gbm_bo_get_fd(it->buffer->getBo());
+    int fd = gbm_bo_get_fd(it->secondaryBuffer->getBo());
     if (fd == -1) {
         qCDebug(KWIN_DRM) << "failed to export gbm_bo as dma-buf!";
         return -1;
     }
-    *format = gbm_bo_get_format(it->buffer->getBo());
-    *stride = gbm_bo_get_stride(it->buffer->getBo());
+    *format = gbm_bo_get_format(it->secondaryBuffer->getBo());
+    *stride = gbm_bo_get_stride(it->secondaryBuffer->getBo());
     return fd;
 }