Help how to get a video card Radeon hd6670 on Big Sur

the video card does not work on

big sur and I wanted to start it with oclp but it didn’t work

​

https://preview.redd.it/7ocvvqnmf5fb1.jpg?width=1280&format=pjpg&auto=webp&s=9da227caa1f4e3e18cd772bd8d56c4f5cf7707a6

https://preview.redd.it/upwnpvnnf5fb1.jpg?width=1280&format=pjpg&auto=webp&s=36035ca5930b0b74ef8ef6b308250193cf32a53f

​