AMD的R7 350显卡在loongnix里,HDMI不能输出音频

搜索了一下,好像是linux内核和驱动需要打补丁。
Screenshot-声音首选项.png

HDMI audio
The open source AMDGPU driver does not support (for now) the HDMI audio. To solve this problem, you can install che "hybrid" AMDGPU-Pro driver from AMD, available in this page.
https://help.ubuntu.com/community/AMDGPU-Driver
 
If there is one part of the Radeon/AMDGPU open-source graphics driver stack that feels like it's been somewhat neglected over time has been the HDMI/DP audio support. Fortunately, another improvement is on the way for bettering it. 
https://www.phoronix.com/scan.php?page=news_item&px=AMDGPU-HDMI-Audio-Component

HD Audio Issues in AMDGPU Drivers Receive Patch
https://appuals.com/hd-audio-issues-in-amdgpu-drivers-receive-patch-drm-can-now-handle-hot-plugging/
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