| Bug ID | 101222 |
|---|---|
| Summary | [amd-staging] No HDMI/DP surround sound with DC on RX 480 |
| Product | DRI |
| Version | XOrg git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | chewi@gentoo.org |
Created attachment 131555 [details]
/proc/asound/HDMI/codec#0
I've been trying amd-staging on and off for a while in the hope of getting
HDMI/DP surround sound working. There seems to be very few people trying
amd-staging and even fewer trying surround sound as I haven't seen a single
mention of it anywhere. Is it even supposed to work yet?
Stereo output is working but multi-channel LPCM only appears on my receiver as
stereo and AC3 pass-through doesn't work at all. I had all this working on the
same system with my old HD 4670 and I've made do with S/PDIF from my on-board
sound in the meantime. I've tried directly with ALSA and via PulseAudio.
The latest kernel I've tried is 4.11 with
b382281b45ec359deeeeef715b182322f4fa9566. I've found alsa-lib and friends can
make a difference in the past so I just tried 1.1.4.
I'll attach some details. Note that I have a stereo monitor plugged into the
HDMI port and my receiver in the first DisplayPort. I obviously select the
right output when testing!
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