https://bugs.freedesktop.org/show_bug.cgi?id=65438
--- Comment #6 from Rafael Castillo jrch2k10@gmail.com --- btw hadack your 7750 can reclock? i mean profile mid/high or dynpm, in case it crashes the kernel like mine i made this bug report https://bugzilla.kernel.org/show_bug.cgi?id=58621