https://bugs.kde.org/show_bug.cgi?id=508780

--- Comment #4 from Zamundaaa <[email protected]> ---
(In reply to Real Name Here from comment #2)
> I switch to HDR for the few videos and games which support it. Otherwise, I
> use SDR for accurate colours that aren't oversaturated, unlocks more monitor
> options, and allows use of an ICC profile. Kscreen-docotr's "Wide Color
> Gamut" setting only seems to have any effect in SDR as well. 
Colors should definitely not be oversaturated in HDR mode, and you wide color
gamut on/off should have SDR apps look the same in both SDR and HDR display
modes.
What you're seeing is almost certainly a driver bug, please report that to your
GPU vendor!

If working around driver bugs is the biggest reason for adding such a shortcut
by default, I'd prefer not do it. If you can't leave HDR on all the time,
something's broken and needs to be properly fixed - and adding a script
yourself is fine for workarounds.

> Disabled settings seems to be a fairly common issue with HDR monitors for
> PCs. My display disables gamma, colour temperature, contrast, brightness,
> and etc. when switched to HDR mode. Here are some examples of three large
> brands who configured their firmware to lock display settings while HDR is
> enabled: 
Yes, that's very common, somehow understanding how to properly present content
is a rarity among display manufacturers.

However, you shouldn't need to change display modes to work around that - we
already have brightness controls, and adding more settings is possible and
already planned. If you have the need for any specific one(s), please make a
separate bug report about it, so we can prioritize.

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