[Bug 104888] DPMS issue w/ GFX8/Polaris10/Ellesmere/Rx-480-8GiB & agd5f's drm-next-4.17-wip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104888

--- Comment #3 from Harry Wentland <harry.wentland at amd.com> ---
Curiously enough this is the first time I've heard of setterm. I'm not sure if
it's really supported but I tried amdgpu, non-amdgpu (i.e. vbios), and an Intel
platform and on neither I can get setterm --powersafe on/off to do anything, no
matter whether in a VT or in X (seems like it's intended for VT).

We do support "xset -display :0.0 dpms force off" when you're in X.

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