Comment # 19 on bug 99859 from Michel Dänzer

Sorry, I should have realized this earlier: The radeonsi driver is known not to
work yet on big endian hosts. That probably explains the glamor failure.

(In reply to intermediadc@hotmail.com from comment #18)
> radeon_surface.c: In function ‘si_surface_init’:
> radeon_surface.c:1614:11: warning: ‘stencil_tile_mode’ may be used

FWIW, this is probably harmless. stencil_tile_mode is only used for stencil
surfaces, the compiler isn't smart enough yet to realize that.