Ubuntu frame screen flickering

Trying to set up this app here after installing ubuntu-frame, when the app is up and running the screen will not stop flickering.
OS: set up using the image ubuntu-core-22-amd64+intel-iot.img.xz
hardware details:

Processor Intel Core i7-8705G 3.10GHz Quad Core (Up to 4.1 GHz, 8MB Cache)
Memory 2x DDR4-2400+ SO-DIMM sockets (up to 32 GB, 1.2V)
Graphics Radeon RX Vega M GL Graphics
2x Full-size HDMI (Front & Rear)
2x mini-DisplayPort
2x Thunderbolt 3 Port
Audio 1x Combo Headphone/Microphone jack (Front)
7.1 Channel Audio via HDMI or Mini DisplayPort
1x Combo speaker/TOSLINK audio output
USB 2x USB 3.0 Ports on front(including one charging port)
1x USB Type-C on front
4x USB 3.0 Ports on rear
1x SD Card Slot
Storage 2x M.2 slots (1x 22x4/80, 1x 22x80) SATA or PCIe x4 SSD
Networking 2x Intel Gigabit LAN
Intel Dual Band Wireless-AC 8265
Bluetooth 4.2

I tried turning off Igpu in Bios setting since I thought that will force the device to run the dedicated graphics card driver, but that does not seem to solve the issue.

I also tried to find the graphics card detail by command
sudo pciutils.lspci -nn | grep -E 'VGA|Display'
the result is:
**VGA** compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:694e] (rev c0)
There does not seem to be a updated driver for the dedicated graphics card supporting ubuntu-core.

I tried updating the bios version to 0064.

Im looking for guidance as to where else I should look at for this issue.