On Thu, Dec 22, 2016 at 07:49:57PM -0500, James Cloos wrote: > I haven't paid as close attention to Xorg issues sine the stroke last > year, and I hadn't needed to reboot the box in the living room in > several months. > > When I did need to, I found that hdmi audio was unlistenable. It > sounded like it was mixed witht white noise. > > If I boot vmlinuz-3.19.0 is works fine. I had compiled 4.1.0 and 4.5.0, > as well as its current default kernel, 4.9.0 (all from Linus' git). All > of those 4. kernels show the crappy audio. > > In 4.9 I then tried switching to amdgpu. That did not help. > > The box has a Kaveri apu (ChipID 0x1313). > > Firmware is from linux-firmware.git and is compiled into the kernel via > CONFIG_EXTRA_FIRMWARE. > > With radeon the kernel command line has: radeon.modeset=1 radeon.audio=1 > With amdgpu I switched to: amdgpu.audio=1 amdgpu.exp_hw_support=1 > > Any thoughs on where to look? > > I find it hard to believe that a bug like this could persist for so > long. amdgpu doesn't yet support hdmi audio. No idea about what broke for radeon, bisecting is probably going to be the most effective way forward (since 3.19->4.0 is so long ago no one will remember what happened back then). -Daniel > > -JimC > -- > James Cloos <cloos@xxxxxxxxxxx> OpenPGP: 0x997A9F17ED7DAEA6 > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel