https://bugs.freedesktop.org/show_bug.cgi?id=42117
--- Comment #9 from Alex Deucher agd5f@yahoo.com 2011-10-25 06:57:01 PDT --- It should be much easier to add tiled support to radeon and r200 with KMS after we drop DRI1 support since we can just blit to a linear buffer if the CPU needs to access a tiled buffer.