Hello, this works, of course, now initramfs regenerates without warnings.
> Hi, > > step :1) Download files from this link > > https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/ > tree/i915 > > download below files from above link > > icl_dmc_ver1_07.bin > tgl_dmc_ver2_04.bin > bxt_huc_ver01_8_2893.bin > > step :2) cd ~/Downloads > > sudo cp icl_dmc_ver1_07.bin /lib/firmware/i915 > sudo cp tgl_dmc_ver2_04.bin /lib/firmware/i915 > sudo cp bxt_huc_ver01_8_2893.bin /lib/firmware/i915 > > step :3) sudo update-initramfs -u > > step :4) reboot machine. -- Alexander Kernozhitsky