[Bug 107845] Problems with (tiled) MST display (Dell UP3214Q)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107845

--- Comment #13 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
(In reply to Paul Menzel from comment #12)
> (In reply to Stanislav Lisovskiy from comment #11)
> 
> > Can you try one simple experiment - switch to text mode(either by killing
> > desktop manager or by pressing ctrl-alt-f[123], adding 3 to kernel command
> > line in grub).
> 
> What do you mean by adding 3 to kernel command line (drm.debug)?

No, you just add digit 3 to the and of kernel command line in grub.
Like if you had drm.debug=0x1e, it would look like "drm.debug=0x1e 3".

This will make it boot to text mode without desktop manager and UI.

So that if the issue happens here as well, we can at least exclude desktop
manager issues.

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