On 2017-06-27 04:17 AM, Christian König wrote: > Hi Peter, > > Am 27.06.2017 um 09:07 schrieb Peter Blum: >> Hello, >> >> does any one know how to disable spread spectrum on the DP outputs >> of a AMD RX 47>> I tried to call the funktion amdgpu_atombios_crtc_program_ss(), but >> this seems to do not work any more. >> Are there any other solutions? >> BIOS will enable spread spectrum by default on DP PHYs. There's no way for us to disable it. Harry > adding the appropriate mailing list and Harry from our display team. > > Price question is why do you want to disable spread spectrum in the > first place? > > IIRC it is mandatory for sinks and optional for sources, so there > shouldn't be a reason to disable it. > > Regards, > Christian.
