On Sat, Dec 31, 2016 at 2:55 AM, James Cloos <cloos@xxxxxxxxxxx> wrote: >>>>>> "AD" == Alex Deucher <alexdeucher@xxxxxxxxx> writes: > > AD> That option is just a carry over from when the amdgpu was copied from > AD> radeon. There is some code for older asics left over from when the > AD> code was originally ported from radeon. If you want hdmi audio > AD> support you need to use the new dc modesetting code we are working on: > AD> https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-4.7 > > AD> As for radeon, a bisection would help. If both drivers worked before > AD> and now both have issues, I'd suggest looking at the hda audio driver. > > All I know is that radeon audio worked fine in 3.x and stopped working > in 4.x Where stopped working means fairly recognizable audio which > sounds mixed with white noise. > > I doubt I can bisect. The screen it uses is in almost constant use.... > > In order for the fb to be there from boot, the firmware is all compiled > into the kernels via CONFIG_EXTRA_FIRMWARE. > > Given that, with 4.9, the audio has exactly the same problem with amdgpu > as with radeon, I suspect the actual problem is in the firmware. If so, > and since I do not have whatever firmware files were installed back when > I compiled the 3. kernels, I doubt bisecting the kernel would help. The GPU firmware is not involved in display or audio at all. Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel