TPO TPG 800x400 panel

modulename: panel-tpo-tpg110.ko

configname: CONFIG_DRM_PANEL_TPO_TPG110

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Panels
└─>Device Tree and Open Firmware support
└─>SPI support
└─>GPIO Support
└─>TPO TPG 800x400 panel
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Say Y here if you want to enable support for TPO TPG110
400CH LTPS TFT LCD Single Chip Digital Driver for up to
800x400 LCD panels.

source code: