Manufacturers (Samsung, Xiaomi, Google) bundle GPU drivers into Android system updates. Go to Settings > System Update to check for the latest firmware.
Ensure you aren't trying to force-install a Valhall-architecture driver on a Midgard-based chip. Conclusion mali gpu driver download
If you have root access, you can flash generic Mali drivers from XDA Developers. Search for: mali gpu driver download
: For troubleshooting Linux drivers, the Arm Community Forums are the best place for technical help. mali gpu driver download