Audio out on DisplayPort but not HDMI, on AMD Ryzen APU/Vega

Damjan Georgievski gdamjan at gmail.com
Wed Jul 7 14:26:10 CEST 2021


> I have a desktop computer with an AMD Ryzen 5 4650G PRO APU (CPU + on-die GPU).
> The motherboard (MSI Mortar B550m wifi / bios 1.6). has one
> displayport and one HDMI outputs.
> The displayport is connected to my Lenovo P27 monitor, and the HDMI to
> my Samsung TV.

not sure if the driver in sound/soc/amd/renoir/ should be enabled for
the 4650G PRO too, but on my computer it has
a different PCI vendor and ID than in that code. Mine has 1002:1637
(vendor ATI) while the driver is for 1022:15E2
(which does not exist on this computer).

sudo lspci -d 1002:1637 -v
30:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1637
       Subsystem: Micro-Star International Co., Ltd. [MSI] Device ec94
       Flags: fast devsel, IRQ 94, IOMMU group 4
       Memory at fcb88000 (32-bit, non-prefetchable) [size=16K]
       Capabilities: [48] Vendor Specific Information: Len=08 <?>
       Capabilities: [50] Power Management version 3
       Capabilities: [64] Express Legacy Endpoint, MSI 00
       Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
       Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
       Kernel modules: snd_hda_intel




-- 
damjan


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