Nvidia 驱动安装后提示警告

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[Work-1]~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-81-generic
W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast

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[Work-1]~$ curl -O http://cdn.fiix.one/lotus/ast_dp501_fw.bin.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  6631  100  6631    0     0   9838      0 --:--:-- --:--:-- --:--:--  9823
[Work-1]~$ gzip -d ast_dp501_fw.bin.gz 
[Work-1]~$ sudo mv  ./ast_dp501_fw.bin  /lib/firmware/
[sudo] password for fil: 
[Work-1]~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-81-generic
[Work-1]~$

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sudo touch /lib/firmware/ast_dp501_fw.bin
sudo update-initramfs -u