Note, in all the logs I've disabled the radeonfb framebuffer (still built in on PowerPC) to allow KMS. You do this either via the video=ofonly or video=radeonfb:off boot parameters on PowerPC.
Note, in all the logs I've disabled the radeonfb framebuffer (still built in on PowerPC) to allow KMS. You do this either via the video=ofonly or video=radeonfb:off boot parameters on PowerPC.