I just got a 3090 strix and connected to my lg cx48 with a https://www.amazon.com/gp/product/B07S1CGQ9Z/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 which is one of the few certified hdmi 2.1 cables. Im getting the message: selected display is not validated as g-sync under the gsync tab. Anyone had this issue. Had zero issues with my 2080ti and this cable. Used DDU after installation of new card.