Connor removed these functions in this commit [1]. He can probably confirm that this bug should be fixed.
[1] http://cgit.freedesktop.org/xorg/driver/xf86-video-sis/commit/?id=e834b2cdaedccff5e13cef86af23e46992c2530a
Connor removed these functions in this commit [1]. He can probably confirm that this bug should be fixed.
[1] http:// cgit.freedeskto p.org/xorg/ driver/ xf86-video- sis/commit/ ?id=e834b2cdaed ccff5e13cef86af 23e46992c2530a