https://bugs.freedesktop.org/show_bug.cgi?id=64503
--- Comment #6 from Alex Deucher agd5f@yahoo.com --- The DTO divider calculation is incorrect. See r600_audio_set_dto() and evergreen_audio_set_dto(). Express [24MHz / target pixel clock] as an exact rational number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator.