Enable HOST1X security firewall
configname: CONFIG_TEGRA_HOST1X_FIREWALL
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Enable HOST1X security firewall
In linux kernel since version 3.1 (release Date: 2011-10-24)
Say yes if kernel should protect command streams from tampering.
If unsure, choose Y.
If unsure, choose Y.