Error: Possible missing firmware /lib/firmware/i915/kbl_dmc_ver1_01.bin for module i915
DMC provides additional graphics low-power idle states. It provides capability to save and restore display registers across these low-power states independently from the OS/Kernel.
tar xvf kbldmcver101.tar.bz
Open install.sh and check that KERNEL_FIRMWARE_DIR=”/lib/firmware” (It seems to be appropriate).
cd kbl_dmc_ver1_01/ gedit install.sh
sudo bash ./install.sh