[Wayland-bugs] [Bug 99406] Please add option to adjust RGB range

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99406

            Bug ID: 99406
           Summary: Please add option to adjust RGB range
           Product: Wayland
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: weston
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: nw9165-3201 at yahoo.com

Hi,

when using X, it's possible to adjust the Intel driver's Broadcast RGB setting
via xrandr like this:

xrandr --output OUTPUT --set "Broadcast RGB" "Full"

or:

xrandr --output OUTPUT --set "Broadcast RGB" "Limited 16:235"

or:

xrandr --output OUTPUT --set "Broadcast RGB" "Automatic"

Unfortunately the Intel driver now sets this to "Automatic" by default and
"Automatic" doesn't really set it properly all of the time:

https://bugzilla.kernel.org/show_bug.cgi?id=94921

amdgpu and radeon apparently are also planned to get options to to adjust the
RGB range / color space, see:

https://bugs.freedesktop.org/show_bug.cgi?id=83226

When asking on #wayland on the freenode IRC channel, I was told that such an
option would need to be added to the corresponding Wayland compositor and that
I should submit a feature request for the corresponding Wayland compositor.

So, could you pease add an option to adjust the RGB range?

Regards

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