Synopsys Designware GP Audio interface

modulename: dw-hdmi-gp-audio.ko

configname: CONFIG_DRM_DW_HDMI_GP_AUDIO

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Interface Bridges
└─>Synopsys Designware GP Audio interface
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Support the GP Audio interface which is part of the Synopsys
Designware HDMI block.

source code:
drivers/gpu/drm//bridge/synopsys/dw-hdmi-gp-audio.c