[Bug 111583] 30 bit colors causing banding with default settings

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111583

--- Comment #9 from helios.solaris at gmx.ch ---
(In reply to Lakshmi from comment #8)
> 
> What is the platform under use here? What is the impact of this issue as a
> user?

Linux 5.2.0-2-amd64 #1 SMP Debian 5.2.9-2 (2019-08-21) x86_64 GNU/Linux
i5-4690K/HD4600 on a Z97I-PLUS mainboard using DisplayPort.
It doesn't happen with DVI (as it only supports 8-Bit colors per channel).
But it does happen with DisplayPort and 8-Bit colors per channel.

Impact: It makes image editing impossible, because the representation of color
gradients is not linear.

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