I been using Ubuntu 18.04 for months, Last night it was working fine but when logged back today it was showing me black screen. So i just installed new Ubuntu 18.10 and try to install AMD graphic driver and i can't find driver for Ubuntu 18.10 and now I'm struck with AMD Oland.
Card AMD Radeon HD 8570 OEM
lspci -vnn | grep VGA -A 12
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 OEM] [1002:6611] (prog-if 00 [VGA controller])
Subsystem: Dell Oland [Radeon HD 8570 / R7 240/340 OEM] [1028:2121]
Flags: bus master, fast devsel, latency 0, IRQ 34
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f7dc0000 (64-bit, non-prefetchable) [size=256K]
I/O ports at dc00 [size=256]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon
Kernel modules: radeon, amdgpu
01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] [1002:aab0]
Subsystem: Dell Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] [1028:aab0]