Install and run radeon-profile-daemon (http://github.com/marazmista/radeon-profile-daemon) for using this app as normal user. Otherwise app need to be run with root privilages for changing power profiles (and clocks readings sometimes). You can add username ALL = NOPASSWD: /usr/bin/radeon-profile to your /etc/sudoers. Here is tip for run app as normal user but involves change permissions to system files: http://bit.ly/1dvQMhS System daemon for reading info about Radeon GPU clocks and volts as well as control card power profiles so the GUI radeon-profile application can be run as normal user.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/sajjads24/radeon-profile/