diff --git a/graphics/drm-66-kmod/files/patch-compiler__flags.mk b/graphics/drm-66-kmod/files/patch-compiler__flags.mk
new file mode 100644
index 000000000000..1047d23a3369
--- /dev/null
+++ b/graphics/drm-66-kmod/files/patch-compiler__flags.mk
@@ -0,0 +1,12 @@
+--- compiler_flags.mk.orig	2026-04-29 07:43:28 UTC
++++ compiler_flags.mk
+@@ -16,7 +16,9 @@ COMPILER_TYPE=	gcc
+ #
+ # At least `drivers/gpu/drm/drm_atomic_uapi.c` and
+ # `include/drm/drm_atomic_uap.h` depends on this to compile.
++.if exists(${SYSDIR}/compat/linuxkpi/common/include/linux/compiler_types.h)
+ CFLAGS+=	-include ${SYSDIR}/compat/linuxkpi/common/include/linux/compiler_types.h
++.endif
+ 
+ CWARNFLAGS+=	-Wno-pointer-sign
+