https://bugs.kde.org/show_bug.cgi?id=369422
Bug ID: 369422
Summary: Number in refresh rate dropdown is being rounded to
one decimal digit, producing duplicate-looking entries
Product: KScreen
Version: 5.7.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: kcm
Assignee: se...@kde.org
Reporter: kdeb...@fratti.ch
The refresh rate numbers in their dropdown menu of the advanced settings are
being rounded to one decimal digit, which is insufficient precision to
distinguish between some refresh rates.
As an example, 59.98 Hz would get rounded to 60.0 Hz, when there already is a
60.0 Hz entry in the list stemming from the screen supporting 60.00 Hz also.
This gets even worse with TVs which support several close refresh rates due to
different standards in video frame rates, such as 24.00 Hz and 23.98 Hz
(according to xrandr, but more likely to be 23.976 Hz).
Increasing the precision by as much as it needs should fix this issue.
Reproducible: Always
Steps to Reproduce:
1. Either get a display that supports weird fractional refresh rates or use
xrandr to check at which solutions your already connected display supports
weird fractional refresh rates
2. Check the advanced settings, and notice how there are now duplicate-looking
entries in the dropdown
3. After choosing them, note how xrandr's output will confirm that the two are
distinct refresh rate, and thus confirms this is merely a visual issue.
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