Radeon Hdmi Audio Linux Kernel

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Radeon HDMI audio now disabled by default in Linux 3.0 ...

https://bbs.archlinux.org/viewtopic.php?id=124130

To re-enable HDMI audio, in /boot/grub/menu.lst, add this to the end of your "kernel" line: radeon.audio=1. For example, this is my first "kernel" line in my menu.lst (I left the fallback alone): kernel /boot/vmlinuz-linux root=/dev/sda1 ro radeon.audio=1. After a reboot, your sound should be restored.

sound - Ubuntu 18-04 - no HDMI audio with AMD Radeon …

https://askubuntu.com/questions/1032811/ubuntu-18-04-no-hdmi-audio-with-amd-radeon-hd-7870

You may need to add kernel parameters to /etc/default/grub. sudo nano /etc/default/grub. Look for GRUB_CMDLINE_LINUX_DEFAULT and add amdgpu.dc=1 (or, if it doesn't work, radeon.audio=1 ). Then update grub and reboot: sudo update-grub. Then look at the last tab in pavucontrol for a profile that includes HDMI output.

Linux 3.13 To Enable Radeon DPM, HDMI Audio - Phoronix

https://www.phoronix.com/scan.php?page=news_item&px=MTUwMTY

The other nice power change for Radeon owners with the Linux 3.13 kernel is support for dynamically powering on/off discrete GPUs as part of ATI/AMD PowerXpress systems. The Radeon HDMI audio support by default comes after the support has long been available but has been turned off since for a small number of users it caused adverse problems.

HDMI audio garbled output on Radeon R9 280X - Linux kernel

https://bugzilla.kernel.org/show_bug.cgi?id=86351

Because you've referenced bug 101900 and the bug has been marked as fixed there, i've just retested my system with my now old Radeon R9 280X and Kernel 4.16.7 Audio over HDMI plays fine now. I've tested stereo and DTS passthru using mpv and sound is fine without any distortion regardless of system load.

Using HDMI Audio/Video On Linux - Phoronix

https://www.phoronix.com/scan.php?page=article&item=linux_hdmi&num=1

For the testing done in this article we were using Ubuntu 8.10 with the Linux 2.6.27 kernel and the default ALSA 1.0.17 and later on we had built ALSA 1.0.18a. Earlier this year ALSA had also picked up R700 HDMI audio support , which means both Radeon HD 2000/3000 and Radeon HD 4000 owners can use the audio processor found on their graphics card under Linux.

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