Index: head/graphics/libGL/Makefile.common
===================================================================
--- head/graphics/libGL/Makefile.common
+++ head/graphics/libGL/Makefile.common
@@ -149,7 +149,7 @@
 
 .if ${ARCH} == powerpc || ${ARCH} == powerpc64
 DRI_DRIVERS=	RADEON SWRAST
-GALLIUM_DRIVERS=	RADEON SWRAST
+GALLIUM_DRIVERS=	RADEONSI SWRAST
 .endif
 
 .if ${ARCH} == sparc64 || ${ARCH} == armv6