CONFIG_TEGRA_HOST1X_CONTEXT_BUS (not configurable)

modulename: context_bus.ko

configname: CONFIG_TEGRA_HOST1X_CONTEXT_BUS

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>TEGRA_HOST1X_CONTEXT_BUS
In linux kernel since version 5.2 (release Date: 2019-07-07)  
source code:
drivers/gpu/host1x//context_bus.c

is depended by
CONFIG_TEGRA_HOST1X