[Bug 117131] vga_switcheroo does not switch IGP -> DIS ( IGP == i915 , DIS == radeon )

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=117131

Alex Deucher <alexdeucher at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |alexdeucher at gmail.com

--- Comment #6 from Alex Deucher <alexdeucher at gmail.com> ---
Your system is muxless so there is no mux to switch.  The displays are only
connected to the IGP.  You need to use the xserver PRIME stuff to render with
the dGPU.  The dGPU renders offscreen and then the result is copied to the IGP
for display.  See:
https://wiki.archlinux.org/index.php/PRIME

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