Hello,
Graphic card:
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti XT [Radeon HD 7970/8970 OEM / R9 280X] [1002:6798]
I got this error message when i tried to install ATI drivers on Debian stretch 9.4 i already know that the AMD official drivers are...