[XA612A0] With XFX RX 580 the BIOS stucks at [AmdgpuGop]

[RESBI]

With my XFX RX 580 plugged on the XA612A0 board, UART reads it stuck at

...
debug: pcie_init_time 2 ret 0x43 data 0x83
dev 16 init begin...
syn0 Mac is invalid, Please update spi mac address
 ------ this is ls132 -------
ls132 version: V1.1.1-R231018.
ls132 init done
Publish Memory Initialize done.
Find AMD GPU device:0x67DF
Install GopDevicePath Handle FC1F1718, Success
AMD GPU Frame Buffer Found.
add ip block number 0 <vi_common>
add ip block number 1 <dce_v11_0>
ATOMBIOS detected
PCI I/O BAR is not found. Using MMIO to access ATOM BIOS
ATOM BIOS:113-P20_XTX_D58GB_HY5GQ_180203_W8
ASSERT [AmdgpuGop] /data/gaoqihang/uefi-loongarch-cleanscreen/MdePkg/Library/BaseLib/SafeString.c(1839): (DestMax > SourceLen)

No display signal, no disk reading activities, and had no further outputs.

I've tried all the firmwares for both XA612A0 and XA61200, got the same result. Changing PCIe settings got no effects.

The GPU itself, the board, and the PCIe slot have all been tested, functioning normally.

Here's UART readouts when using the latest firmwares of XA612A0 and XA61200 on XA612A0

XA612A0-with-XA612A0BIOS_prestable2405rel.txt

XA612A0-with-XA61200BIOS_prestable2405_0523rel.txt