[Bug 108821] [DP MST + DP-HDMI] DisplayPort always defaults to incorrect limited-range RGB on FullHD external display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108821

--- Comment #7 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Ivan Vlk from comment #6)
> 1) Output is very same on Windows with very same devices, so it's not an
> driver issue

So you see the same issue on Windows too?

> 2) With another LCD monitor, problem is gone. So it isn't problem of cable
> nor docking station (at least seems to me)

Are you using the same display mode (resolution) on that other display? The
color range setting depends on the mode.

> I'm using Samsung S27D390H
> (https://www.bhphotovideo.com/c/product/1046838-REG/
> samsung_s27d390h_27_led_lcd.html). So, if I understand correctly, problem is
> with my monitor, which can't detect the bit, you have mentioned, therefore I
> need to buy new one?

I don't think we have enough information to make that conclusion.

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