CONFIG_DRM_IMX_LEGACY_BRIDGE (not configurable)

modulename: imx-legacy-bridge.ko

configname: CONFIG_DRM_IMX_LEGACY_BRIDGE

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Interface Bridges
└─>DRM_IMX_LEGACY_BRIDGE
In linux kernel since version 6.13 (release Date: 2025-01-19)  
This is a DRM bridge implementation for the DRM i.MX IPUv3 driver,
that uses of_get_drm_display_mode to acquire display mode.

Newer designs should not use this bridge and should use proper panel
driver instead.

source code:
drivers/gpu/drm//bridge/imx/imx-legacy-bridge.c