Radeon 7, no audio over hdmi 2.0 4k and accelerated audio over displayport in fullhd display

Submitted by Sebastián Lacuesta

Assigned to Default DRI bug account

Link to original bug (#111847)

Description

When I connect a fullhd monitor over display port and a 4k tv over hdmi at 60Hz, then sound is like accelerated on monitor and completely absent on tv. Using my soundcard, sound it's good.
Hdmi cable is 2.0. Videocard is Radeon 7. I'm using amdgpu kernel module.

Some info about packages:

$ uname -a
Linux debian 5.2.0-2-amd64 #1 (closed) SMP Debian 5.2.9-2 (2019-08-21) x86_64 GNU/Linux

$ dpkg -s mesa-vulkan-drivers:amd64
Package: mesa-vulkan-drivers
Status: install ok installed
Priority: optional
Section: libs
Installed-Size: 11750
Maintainer: Debian X Strike Force debian-x@lists.debian.org
Architecture: amd64
Multi-Arch: same
Source: mesa
Version: 19.2.0rc4-1
Provides: vulkan-icd
Depends: libvulkan1, libc6 (>= 2.29), libdrm-amdgpu1 (>= 2.4.97), libdrm2 (>= 2.4.89), libelf1 (>= 0.142), libexpat1 (>= 2.0.1), libgcc1 (>= 1:3.4), libllvm9 (>= 1:9svn298832-1~), libstdc++6 (>= 5.2), libwayland-client0 (>= 1.15.0), libx11-xcb1, libxcb-dri3-0 (>= 1.13), libxcb-present0, libxcb-randr0 (>= 1.13), libxcb-sync1, libxcb1 (>= 1.9.2), libxshmfence1, zlib1g (>= 1:1.1.4)
Description: Mesa Vulkan graphics drivers
Vulkan is a low-overhead 3D graphics and compute API. This package
includes Vulkan drivers provided by the Mesa project.
Homepage: https://mesa3d.org/

Feel free to ask for more info. I'm glad to help.