[Bug 97965] [BSW] External HDMI monitor suddenly shows solid color when playing Youtube video at 1080p [fifo underrun]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97965

--- Comment #22 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Yu Kang Ku from comment #21)
> (In reply to comment #17, part 2)
> 
> Regarding the pipe B experiment, could you possibly suggest a change in
> kernel-space that will make the switch from pipe A to pipe B?  My filesystem
> currently doesn't have xrandr, and I'm having trouble building it.

I don't think there's a trivial way to do it in the kernel, since it would mean
we'd have to somehow swap the crtcs without affecting their indexes on the list
of crtcs (since I think a bunch of stuff may assume that index==pipe), or we'd
have to find out all the places that have such assumptions and deal with them.

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