Arch Linux

With 5.2 kernel version amdgpu audio card (ASUS AMD Radeon RX 560 RX560-4G) does not work by hdmi/displayport.
With 4.19-lts kenel amdgpu audio card (ASUS AMD Radeon RX 560 RX560-4G) works normally by hdmi/displayport.

uname -a
Linux newpc 4.19.61-1-lts #1 SMP Fri Jul 26 10:27:00 CEST 2019 x86_64 GNU/Linux
lspci | grep -i audio
08:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]
0a:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
lspci| grep -i vga :(
08:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] (rev cf)
pacmd list-sinks | grep -i name
name: <alsa_output.pci-0000_08_00.1.hdmi-stereo-extra2>
alsa.name = "HDMI 2"
alsa.subdevice_name = "subdevice #0"
alsa.card_name = "HDA ATI HDMI"
alsa.long_card_name = "HDA ATI HDMI at 0xfcf60000 irq 68"
alsa.driver_name = "snd_hda_intel"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
device.product.name = "Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]"
device.profile.name = "hdmi-stereo-extra2"
alsa.mixer_name = "ATI R6xx HDMI"
device.icon_name = "audio-card-pci"
device.icon_name = "video-display"
device.product.name = "DELL U2717D"
name: <alsa_output.usb-Creative_Technology_Ltd_SB_Omni_Surround_5.1_X0000008-00.analog-stereo-output>
alsa.name = "USB Audio"
alsa.subdevice_name = "subdevice #0"
alsa.card_name = "SB Omni Surround 5.1"
alsa.long_card_name = "Creative Technology Ltd SB Omni Surround 5.1 at usb-0000:09:00.3-3, full speed"
alsa.driver_name = "snd_usb_audio"
device.vendor.name = "Creative Technology, Ltd"
device.product.name = "SB Omni Surround 5.1"
device.profile.name = "analog-stereo-output"
alsa.mixer_name = "USB Mixer"
device.icon_name = "audio-card-usb"
name: <alsa_output.pci-0000_0a_00.3.iec958-stereo>
alsa.name = "ALC887-VD Digital"
alsa.subdevice_name = "subdevice #0"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xfce00000 irq 69"
alsa.driver_name = "snd_hda_intel"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
device.product.name = "Family 17h (Models 00h-0fh) HD Audio Controller"
device.profile.name = "iec958-stereo"
alsa.mixer_name = "Realtek ALC887-VD"
device.icon_name = "audio-card-pci"

uname -a :(
Linux newpc 5.2.3-arch1-1-ARCH #1 SMP PREEMPT Fri Jul 26 08:13:47 UTC 2019 x86_64 GNU/Linux
lspci | grep -i audio
08:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]
0a:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
lspci| grep -i vga :(
08:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] (rev cf)
pacmd list-sinks | grep -i name
name: <alsa_output.usb-Creative_Technology_Ltd_SB_Omni_Surround_5.1_X0000008-00.analog-stereo-output>
alsa.name = "USB Audio"
alsa.subdevice_name = "subdevice #0"
alsa.card_name = "SB Omni Surround 5.1"
alsa.long_card_name = "Creative Technology Ltd SB Omni Surround 5.1 at usb-0000:09:00.3-3, full speed"
alsa.driver_name = "snd_usb_audio"
device.vendor.name = "Creative Technology, Ltd"
device.product.name = "SB Omni Surround 5.1"
device.profile.name = "analog-stereo-output"
alsa.mixer_name = "USB Mixer"
device.icon_name = "audio-card-usb"
name: <alsa_output.pci-0000_0a_00.3.iec958-stereo>
alsa.name = "ALC887-VD Digital"
alsa.subdevice_name = "subdevice #0"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xfce00000 irq 69"
alsa.driver_name = "snd_hda_intel"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
device.product.name = "Family 17h (Models 00h-0fh) HD Audio Controller"
device.profile.name = "iec958-stereo"
alsa.mixer_name = "Realtek ALC887-VD"
device.icon_name = "audio-card-pci"