I have a PC with a:
VGA compatible controller : Advanced Micro Devices, Inc. [AMD/ATI] Venus XT [Radeon HD 8870M / R9 M270X/M370X] [1002:6821] (rev ff) (prog-if ff)
How can I get OpenCL to work on it? I'm not offered a proprietary driver in the Software sources tool, and AFAIK it isn't supported on 16.04 anymore.
clinfo currently lists zero devices.