What is the md5sum of the bonaire_uvd.bin file on your system? For the latest file in git (http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/plain/radeon/bonaire_uvd.bin) I get 3106157934a8feb55145c4f5de3128e2 which matches the md5sum in the firmware Leo attached in attachment 128558 [details].