Re: [vfio-users] AMD Radeon HDMI Audio stops after driver update

2018-10-14 Thread Volker RĂ¼melin
Hi Brett, Don't have a satisfying answer to why this happens... I guess this is a long standing bug in the AMD HDMI audio driver where it can't handle a PCI BAR in 64 bit MMIO space. To verify that this is the problem you can pass the experimental option -fw_cfg name=opt/ovmf/X-PciMmio64Mb,

Re: [vfio-users] AMD Radeon HDMI Audio stops after driver update

2018-10-13 Thread Brett Foster
Don't have a satisfying answer to why this happens... But! Update driver on the audio device and selecting the stock microsoft "High Definition Audio Device" instead of AMD drivers restored the audio. Brett On Sat, Oct 13, 2018 at 5:15 PM Brett Foster wrote: > Hi all, > > A recent windows upda

[vfio-users] AMD Radeon HDMI Audio stops after driver update

2018-10-13 Thread Brett Foster
Hi all, A recent windows update modified my ATI graphics driver for an RX560 card. My configuration EFI windows 10 on i7-7820X. The newer drivers no longer have functioning audio over HDMI. The windows troubleshooter could not resolve the issue (do they ever work?). When I initially set the comput