ETNAVIV (DRM support for Vivante GPU IP cores)

modulename: etnaviv.ko

configname: CONFIG_DRM_ETNAVIV

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>ETNAVIV (DRM support for Vivante GPU IP cores)
In linux kernel since version 4.1 (release Date: 2015-06-21)  
DRM driver for Vivante GPUs.

source code:
drivers/gpu/drm//etnaviv/