ATI [Radeon 7550M/7570M/7650M] and Debian Sid No Graphics

1- No xorg.conf needed
$ sudo rm /etc/X11/xorg.conf.*
2 - Remove all traces of fglrx (Uninstall AMD Drivers or Repo)
3 - Install firmware-linux-nonfree for the AMD Radeon firmware
$ sudo apt-get install firmware-linux-nonfree
4 - Attention to anything that mentions "blacklist radeon" in the /etc/modprobe.d/*
$ sudo nando /etc/modprobe.d/fbdev-blacklist.conf
  Edit: radeonfb -> #radeonfb
5 - Make sure all your initrds don't contain the blacklist and do contain the firmware
$ sudo update-initramfs -u -k all
6 - Reboot

## No Graphics Yet
1 - Let's Check dmesg
$ dmesg |grep radeon
[drm:radeon_init] *ERROR* No UMS support in radeon module!
2 - Fix It!
$ sudo nano /boot/grub/grub.cfg
...
menuentry 'Debian GNU/Linux, with Linux 3.10-3-amd64' --class debian {
	load_video
	insmod gzio
	...
	linux	/vmlinuz-3.10-3-amd64 root=/dev/.... ro  vga=799 quiet nomodeset radeon.modeset=1
	echo	'Loading initial ramdisk ...'
	...
}
...
   Edit: radeon.modeset=0 -> radeon.modeset=1

3 - Reboot
4 - Done!

Helpers:
 - https://bbs.archlinux.org/viewtopic.php?id=166037
 - https://plus.google.com/115608424649984682822/posts/VytxYoQ9Uys

Author: @SiMpS0N