Bug 111847 - Radeon 7, no audio over hdmi 2.0 4k and accelerated audio over displayport in fullhd display
Summary: Radeon 7, no audio over hdmi 2.0 4k and accelerated audio over displayport in...
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: XOrg git
Hardware: Other All
: not set not set
Assignee: Default DRI bug account
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Reported: 2019-09-28 00:14 UTC by Sebastián Lacuesta
Modified: 2019-11-19 09:56 UTC (History)
0 users

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Description Sebastián Lacuesta 2019-09-28 00:14:26 UTC
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 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: 19.2.0~rc4-1
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 (>= 1:9~svn298832-1~), 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.
Comment 1 Sebastián Lacuesta 2019-09-28 21:07:05 UTC
Well, just updated drivers in Windows, used sound from TV. Then reboot on Linux and problem solved. I have rebooted several times on Linux before doing this and problem persisted. Now it looks everything fine.
Comment 2 Martin Peres 2019-11-19 09:56:04 UTC
-- GitLab Migration Automatic Message --

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