fglrx-modules-dkms software package provides dkms module source for the non-free ATI/AMD RadeonHD display driver, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fglrx-modules-dkms
fglrx-modules-dkms is installed in your system.
Make ensure the fglrx-modules-dkms package were installed using the commands given below,
$ sudo dpkg-query -l | grep fglrx-modules-dkms *
You will get with fglrx-modules-dkms package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Kernels |
| Package | fglrx-modules-dkms |
| Version | 1:12-6+point-3 |
| Description | dkms module source for the non-free ATI/AMD RadeonHD display driver |
| Sub Section | Kernels |