sync code with last improvements from OpenBSD

lib/libdrm/mk/libdrm_amdgpu/Makefile

@@ -0,0 +1,32 @@
+#	$OpenBSD: Makefile,v 1.2 2021/02/19 12:29:37 matthieu Exp $
+
+LIB=	drm_amdgpu
+
+SRCS=	amdgpu_asic_id.c \
+	amdgpu_bo.c \
+	amdgpu_cs.c \
+	amdgpu_device.c \
+	amdgpu_gpu_info.c \
+	amdgpu_vamgr.c \
+	amdgpu_vm.c \
+	handle_table.c
+
+.include "../Makefile.inc"
+
+CPPFLAGS+=	-I${DRM_SRC}/amdgpu \
+		-DAMDGPU_ASIC_ID_TABLE=\"${X11BASE}/share/libdrm/amdgpu.ids\"
+
+LDADD+= -L${.CURDIR}/../libdrm/${__objdir} -ldrm
+
+obj: _xenocara_obj
+
+beforeinstall:
+	rm -f ${DESTDIR}${LIBDIR}/lib${LIB}.la
+	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+	    -m ${SHAREMODE} ${DRM_SRC}/data/amdgpu.ids \
+	    ${DESTDIR}/${X11BASE}/share/libdrm/amdgpu.ids
+
+.include <bsd.lib.mk>
+.include <bsd.xorg.mk>
+
+.PATH: ${DRM_SRC}/amdgpu

lib/libdrm/mk/libdrm_amdgpu/shlib_version

@@ -0,0 +1,2 @@
+major=1
+minor=12