This is almost identical to the log from 3.2.54-2, except some crypto
modules aren't loaded (cryptd, aes_x86_64, aes_generic). So it seems
like the resume is mostly successful.
As you say the screen remains blank, that suggests a regression in
either the GPU (radeon) or backlight driver. For some reason, your bug
report didn't include information about the GPU; can you send the output
of 'lspci -vnn' please?