https://bugs.freedesktop.org/show_bug.cgi?id=75985
--- Comment #52 from Lukas Wunner <[email protected]> ---
(In reply to Ilia Mirkin from comment #49)
> (In reply to Maik Freudenberg from comment #47)
> > There's of course the possibility that some braindead vendor would ship a 3D
> > class tagged device actually having outputs.
>
> This happens. A lot.
Ilia, do you have definitive knowledge of GPUs which
a) have a different class than PCI_CLASS_DISPLAY_VGA and
b) have working DP/HDMI outputs and
c) have an integrated HDA controller?
I'm asking because get_bound_vga() in sound/pci/hda/hda_intel.c specifically
matches against PCI_CLASS_DISPLAY_VGA only. In other words, if a GPU with the
three above-listed properties exists and is built into a hybrid graphics
laptop, it is currently not registered with vga_switcheroo, which would be
wrong.
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