Gigabyte RX 6700 XT Aorus Elite, CSM BUG

i have i werid bug in bios with Gigabyte RX 6700 XT Aorus Elite, CSM BUG exactly, if i deactivate and enable uefi appear weird artefacts in bios, PC sometimes freeze and get greyscreen, sometimes monitor dont powerup… if i enable CSM everything is fixed

Latest FW F1.2 ?
Now is this GPU/Gigabyte issue or motherboard issue/compatibility…

yes its Latest FW F1.2 from tech power up …

i think alsoo same . incompatibility… or something else… i instaled on a Gigabyte motherboard B550 Aorus PRO and same thing happen