If you get log, like
panthor fb000000.gpu-panthor: [drm] *ERROR* Failed to load firmware image 'mali_csffw.bin
Solution 
-
Check whether Firmware file is located on below location

ls /lib/firmware/arm/mali/arch10.8/mali_csffw.bin -
Run below command

lsinitramfs /boot/initrd.img-6.1.75-axon | grep -i maliOutput :
vicharak@vicharak:~$ lsinitramfs /boot/initrd.img-6.1.75-axon | grep -i mali_csffw.bin usr/lib/firmware/arm/mali/arch10.8/mali_csffw.bin.zstIf output contains mali_csffw.bin.zst file then delete it using
sudo rm -rf usr/lib/firmware/arm/mali/arch10.8/mali_csffw.bin.zst -
sudo update-initramfs -u
-
sudo reboot