This is an attempt to fix drm support in moonlight-qt. The patch
below is form FreeBSD. I have no clue whether all these
DMA_BUF_SYNC_* are correct on OpenBSD.

OK, feedback?

Index: Makefile
===================================================================
RCS file: /cvs/ports/games/moonlight-qt/Makefile,v
diff -u -p -r1.10 Makefile
--- Makefile	21 Jul 2025 05:58:22 -0000	1.10
+++ Makefile	13 Dec 2025 15:33:51 -0000
@@ -5,6 +5,7 @@ PKGNAME =		moonlight-qt-${V}
 
 DISTNAME =		MoonlightSrc-${V}
 SITES =			https://github.com/moonlight-stream/moonlight-qt/releases/download/v${V}/
+REVISION =		0
 
 CATEGORIES =		games
 
@@ -14,15 +15,14 @@ HOMEPAGE =		https://moonlight-stream.org
 PERMIT_PACKAGE =	Yes
 
 WANTLIB += ${COMPILER_LIBCXX} EGL GL Qt6Core Qt6Gui Qt6Network
-WANTLIB += Qt6OpenGL Qt6Qml Qt6QmlMeta Qt6QmlModels Qt6QmlWorkerScript
-WANTLIB += Qt6Quick Qt6QuickControls2 Qt6Svg SDL2 SDL2_ttf X11
-WANTLIB += avcodec avutil c crypto m opus placebo ssl swscale
-WANTLIB += va va-x11 wayland-client
+WANTLIB += Qt6OpenGL Qt6Qml Qt6Quick Qt6QuickControls2 Qt6Svg
+WANTLIB += SDL2 SDL2_ttf X11 avcodec avutil c crypto drm m opus
+WANTLIB += placebo ssl swscale va va-drm va-x11 wayland-client
 
 MODULES =		devel/qmake \
 			x11/qt6
 
-MODQMAKE_ARGS += 	CONFIG+='disable-libvdpau disable-libdrm'
+MODQMAKE_ARGS += 	CONFIG+='disable-libvdpau'
 
 RUN_DEPENDS =		x11/gtk+4,-guic \
 			devel/desktop-file-utils
Index: patches/patch-app_streaming_video_ffmpeg-renderers_drm_cpp
===================================================================
RCS file: patches/patch-app_streaming_video_ffmpeg-renderers_drm_cpp
diff -N patches/patch-app_streaming_video_ffmpeg-renderers_drm_cpp
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patches/patch-app_streaming_video_ffmpeg-renderers_drm_cpp	13 Dec 2025 15:33:51 -0000
@@ -0,0 +1,28 @@
+Index: app/streaming/video/ffmpeg-renderers/drm.cpp
+--- app/streaming/video/ffmpeg-renderers/drm.cpp.orig
++++ app/streaming/video/ffmpeg-renderers/drm.cpp
+@@ -12,7 +12,24 @@ extern "C" {
+ }
+ 
+ #include <libdrm/drm_fourcc.h>
++#ifdef __linux__
+ #include <linux/dma-buf.h>
++#else //bundle on BSDs
++typedef uint64_t __u64;
++// From https://github.com/evadot/drm-subtree or https://reviews.freebsd.org/D23085
++struct dma_buf_sync {
++    __u64 flags;
++};
++#define DMA_BUF_SYNC_READ      (1 << 0)
++#define DMA_BUF_SYNC_WRITE     (2 << 0)
++#define DMA_BUF_SYNC_RW        (DMA_BUF_SYNC_READ | DMA_BUF_SYNC_WRITE)
++#define DMA_BUF_SYNC_START     (0 << 2)
++#define DMA_BUF_SYNC_END       (1 << 2)
++#define DMA_BUF_SYNC_VALID_FLAGS_MASK \
++    (DMA_BUF_SYNC_RW | DMA_BUF_SYNC_END)
++#define DMA_BUF_BASE		'b'
++#define DMA_BUF_IOCTL_SYNC	_IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)
++#endif
+ 
+ // Special Rockchip type
+ #ifndef DRM_FORMAT_NA12