i.MX8MQ DCSS

modulename: imx-dcss.ko

configname: CONFIG_DRM_IMX_DCSS

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>i.MX8MQ DCSS
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Choose this if you have a NXP i.MX8MQ based system and want to use the
Display Controller Subsystem. This option enables DCSS support.

source code:
drivers/gpu/drm//imx/dcss/