diff --git a/x11-wm/plasma5-kwin/files/patch-src_backends_drm_drm__pipeline__legacy.cpp b/x11-wm/plasma5-kwin/files/patch-src_backends_drm_drm__pipeline__legacy.cpp
new file mode 100644
index 000000000000..8c03cf2f9116
--- /dev/null
+++ b/x11-wm/plasma5-kwin/files/patch-src_backends_drm_drm__pipeline__legacy.cpp
@@ -0,0 +1,11 @@
+--- src/backends/drm/drm_pipeline_legacy.cpp.orig	2022-02-09 06:05:36 UTC
++++ src/backends/drm/drm_pipeline_legacy.cpp
+@@ -14,6 +14,8 @@
+ #include "drm_object_connector.h"
+ #include "logging.h"
+ 
++#include <errno.h>
++
+ namespace KWin
+ {
+