[Bug 107476] 24bpp (True Color) limited RGB fix for Intel Graphics over DisplayPort

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107476

--- Comment #2 from Nicholas Stommel <nicholas.stommel at gmail.com> ---
My apologies, this indeed seems to be the case in the VESA documentation. But I
am unsure why the function call "drm_default_rgb_quant_range(adjusted_mode)"
seems to always return the value corresponding to
"HDMI_QUANTIZATION_RANGE_LIMITED" on every DisplayPort connector of each
monitor I try. That is perhaps the real question. I get the code conforms to
spec, what I don't get is why I always end up with washed out limited RGB when
I should be getting full RGB. It's not my computer, it has native DP 1.2 ports
connected to the HD 630 i7-7700 iGPU. I seem to be experiencing the same
problem as others in this active bug report
https://bugs.freedesktop.org/show_bug.cgi?id=100023

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