[Bug 110496] [GLK] no signal - with samsung 4k TV - HDMI UHD Color (ENABLED)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110496

--- Comment #19 from sergey79 at gmail.com ---
The other thing I noticed is that when Samsung's "HDMI UHD Color" is enabled -
I get "no signal" before the OS is booted, e.g. I cannot see the UEFI setup
interface.
However, within the OS I get a signal with any video mode except 4K modes (even
3820x2160 @24Hz does not work).

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