amd-clinfo software package provides AMD OpenCL info utility, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install amd-clinfo
amd-clinfo is installed in your system.
Make ensure the amd-clinfo package were installed using the commands given below,
$ sudo dpkg-query -l | grep amd-clinfo *
You will get with amd-clinfo package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | X Window System software |
| Package | amd-clinfo |
| Version | 1:15.9-4~deb8u2 |
| Description | AMD OpenCL info utility |
| Sub Section | x11 |