>That's literally all the command produces.And that's exactly what I was after. That is the point of having those multiple greps there. :)
So, now we know your radeon card is using the correct driver and not for example vesa. (which would've explained the observed behavior)
If you wish to learn more about those commands, read the manual pages, e.g. man grep or man lspci What is the output of glxinfo|grep renderer
