I too have the same error, I received the following after running an apt upgrade
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8125a-3.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168fp-3.fw for module r8169
W: Possible missing firmware /lib/firmware/amdgpu/renoir_gpu_info.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_asd.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_rlc.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_mec2.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_mec.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_me.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_pfp.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_ce.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_sdma.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/renoir_vcn.bin for module amdgpu
in my case downloading from the link above and doing the following fixed the errors for me.
sudo cp -R amdgpu/renoir_* /lib/firmware/amdgpu/
sudo cp -R rtl_nic/rtl8* /lib/firmware/rtl_nic/
sudo update-initramfs -u
I too have the same error, I received the following after running an apt upgrade
W: Possible missing firmware /lib/firmware/ rtl_nic/ rtl8125a- 3.fw for module r8169 rtl_nic/ rtl8168fp- 3.fw for module r8169 amdgpu/ renoir_ gpu_info. bin for module amdgpu amdgpu/ renoir_ asd.bin for module amdgpu amdgpu/ renoir_ rlc.bin for module amdgpu amdgpu/ renoir_ mec2.bin for module amdgpu amdgpu/ renoir_ mec.bin for module amdgpu amdgpu/ renoir_ me.bin for module amdgpu amdgpu/ renoir_ pfp.bin for module amdgpu amdgpu/ renoir_ ce.bin for module amdgpu amdgpu/ renoir_ sdma.bin for module amdgpu amdgpu/ renoir_ vcn.bin for module amdgpu
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
in my case downloading from the link above and doing the following fixed the errors for me. amdgpu/ rtl_nic/
sudo cp -R amdgpu/renoir_* /lib/firmware/
sudo cp -R rtl_nic/rtl8* /lib/firmware/
sudo update-initramfs -u
Thanks @faloz2416
Mo