diff --git a/graphics/drm-510-kmod/Makefile b/graphics/drm-510-kmod/Makefile
index 95c6f5e8c87e..006e94e8aef2 100644
--- a/graphics/drm-510-kmod/Makefile
+++ b/graphics/drm-510-kmod/Makefile
@@ -1,54 +1,56 @@
 PORTNAME=	drm-510-kmod
-PORTVERSION=	5.10.163
+PORTVERSION=	${DRM_KMOD_DISTVERSION}
 PORTREVISION=	5
 CATEGORIES=	graphics kld
 
+.include "Makefile.version"
+
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	DRM drivers modules
 WWW=		https://github.com/freebsd/drm-kmod/
 
 LICENSE=	BSD2CLAUSE MIT GPLv2
 LICENSE_COMB=	multi
 
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 ONLY_FOR_ARCHS_REASON=	the new KMS components are only supported on amd64, i386, aarch64, and powerpc64
 
 CONFLICTS_INSTALL=	drm-515-kmod
 
 USES=		kmod uidfix compiler:c++11-lang
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	freebsd
 GH_PROJECT=	drm-kmod
-GH_TAGNAME=	drm_v5.10.163_4
+GH_TAGNAME=	${DRM_KMOD_GH_TAGNAME}
 
 .include <bsd.port.options.mk>
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} < 1301000
 IGNORE=		not supported on older than 13.1, no kernel support
 .endif
 .if ${OPSYS} != FreeBSD
 IGNORE=		not supported on anything but FreeBSD (missing linuxkpi functionality)
 .endif
 
 .if ${ARCH} == "amd64"
 PLIST_SUB+=	AMDGPU=""
 PLIST_SUB+=	I915=""
 .elif ${ARCH} == "i386"
 PLIST_SUB+=	AMDGPU="@comment "
 PLIST_SUB+=	I915=""
 .elif ${ARCH} == "aarch64" || ${ARCH:Mpowerpc*}
 PLIST_SUB+=	AMDGPU=""
 PLIST_SUB+=	I915="@comment "
 .else
 PLIST_SUB+=	AMDGPU="@comment "
 PLIST_SUB+=	I915="@comment "
 .endif
 
 MAKE_ENV+=	MAKEOBJDIRPREFIX=${WRKSRC}/obj
 
 pre-build:
 		${MKDIR} ${WRKSRC}/obj
 		(cd ${WRKSRC} ; ${SETENV} ${MAKE_ENV} ${MAKE_CMD} obj)
 
 .include <bsd.port.mk>
diff --git a/graphics/drm-510-kmod/Makefile.version b/graphics/drm-510-kmod/Makefile.version
new file mode 100644
index 000000000000..508c74f0f80d
--- /dev/null
+++ b/graphics/drm-510-kmod/Makefile.version
@@ -0,0 +1,5 @@
+# drm-kmod common version definition
+#
+# This will be included from consumers such as nvidia-drm
+DRM_KMOD_DISTVERSION=	5.10.163
+DRM_KMOD_GH_TAGNAME=	drm_v5.10.163_4
diff --git a/graphics/drm-515-kmod/Makefile b/graphics/drm-515-kmod/Makefile
index ffe174967aa7..8df22ba5655d 100644
--- a/graphics/drm-515-kmod/Makefile
+++ b/graphics/drm-515-kmod/Makefile
@@ -1,54 +1,56 @@
 PORTNAME=	drm-515-kmod
-PORTVERSION=	5.15.25
+PORTVERSION=	${DRM_KMOD_DISTVERSION}
 PORTREVISION=	2
 CATEGORIES=	graphics kld
 
+.include "Makefile.version"
+
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	DRM drivers modules
 WWW=		https://github.com/freebsd/drm-kmod/
 
 LICENSE=	BSD2CLAUSE MIT GPLv2
 LICENSE_COMB=	multi
 
 ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
 ONLY_FOR_ARCHS_REASON=	the new KMS components are only supported on amd64, i386, aarch64, and powerpc64
 
 CONFLICTS_INSTALL=	drm-510-kmod
 
 USES=		kmod uidfix compiler:c++11-lang
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	freebsd
 GH_PROJECT=	drm-kmod
-GH_TAGNAME=	drm_v5.15.25_4
+GH_TAGNAME=	${DRM_KMOD_GH_TAGNAME}
 
 .include <bsd.port.options.mk>
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} < 1400081
 IGNORE=		not supported on older than 14.0, no kernel support
 .endif
 .if ${OPSYS} != FreeBSD
 IGNORE=		not supported on anything but FreeBSD (missing linuxkpi functionality)
 .endif
 
 .if ${ARCH} == "amd64"
 PLIST_SUB+=	AMDGPU=""
 PLIST_SUB+=	I915=""
 .elif ${ARCH} == "i386"
 PLIST_SUB+=	AMDGPU="@comment "
 PLIST_SUB+=	I915=""
 .elif ${ARCH} == "aarch64" || ${ARCH:Mpowerpc*}
 PLIST_SUB+=	AMDGPU=""
 PLIST_SUB+=	I915="@comment "
 .else
 PLIST_SUB+=	AMDGPU="@comment "
 PLIST_SUB+=	I915="@comment "
 .endif
 
 MAKE_ENV+=	MAKEOBJDIRPREFIX=${WRKSRC}/obj
 
 pre-build:
 		${MKDIR} ${WRKSRC}/obj
 		(cd ${WRKSRC} ; ${SETENV} ${MAKE_ENV} ${MAKE_CMD} obj)
 
 .include <bsd.port.mk>
diff --git a/graphics/drm-515-kmod/Makefile.version b/graphics/drm-515-kmod/Makefile.version
new file mode 100644
index 000000000000..54c49ac53b70
--- /dev/null
+++ b/graphics/drm-515-kmod/Makefile.version
@@ -0,0 +1,5 @@
+# drm-kmod common version definition
+#
+# This will be included from consumers such as nvidia-drm
+DRM_KMOD_DISTVERSION=	5.15.25
+DRM_KMOD_GH_TAGNAME=	drm_v5.15.25_4