xf86drm: implement drmParseSubsystemType for DragonFly

Like on OpenBSD, the DragonFly BSD kernel only contains
pci drm drivers.

Signed-off-by: François Tigeot <ftigeot@wolfpond.org>

diff --git a/xf86drm.c b/xf86drm.c
index 71ad54b..1016a2b 100644 (file)
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -3014,7 +3014,7 @@ static int drmParseSubsystemType(int maj, int min)
     }
 
     return -EINVAL;
-#elif defined(__OpenBSD__)
+#elif defined(__OpenBSD__) || defined(__DragonFly__)
     return DRM_BUS_PCI;
 #else
 #warning "Missing implementation of drmParseSubsystemType"