Bug 363578

Summary:	Unable to set lower resolution on high resolution laptop display
Product:	[Plasma] KScreen	Reporter:	Mikael Steen Springer <mikael.springer>
Component:	common	Assignee:	Sebastian Kügler <sebas>
Status:	RESOLVED WORKSFORME
Severity:	major	CC:	nate, plasma-bugs-null
Priority:	NOR
Version First Reported In:	5.6.4
Target Milestone:	1.0
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	attachment-11639-0.html

Description Mikael Steen Springer 2016-05-27 07:04:05 UTC

I am running openSUSE Tumbleweed on a Dell Precision M4800 laptop with a display having a native resolution of 3200x1800. The graphics card is NVIDIA, I have NVIDIA proprietary drivers installed manually. I use the laptop both docked and undocked. When docked I have two external monitors connected with a native resolution of 2560x1440 each.

Docked or not, Plasma is unable to let me change the resolution of the laptop display. If I start Configure Desktop/Display and Monitor there is no slider for adjusting the laptop display resolution, it only shows "Resolution: 3200x1800" for DP-4 which is the laptop display. If I have external monitors attached (when docked) these monitors will have a slider that makes it possible to adjust their individual resolution when selecting them.

Using NVIDIA X Server Settings it is possible to change the laptop display resolution, both when the laptop is docked using two external monitors and when it is not docked, only using the laptop display. But when I change the laptop display resolution using NVIDIA Settings it is as if Plasma doesn't understand this. The desktop background of the laptop display extends over the next adjacent display. And if I do this when the laptop is undocked using only the laptop display all Plasma widgets including the panel disappear. Only the top left corner of the desktop is visible, the panel is probably outside of what is shown on the screen and therefore not visible. In short, it's as if Plasma doesn't understand that the resolution has changed, it is only showing part of the desktop.

Since the native resolution of the laptop display is 3200x1800 at the moment the laptop is almost unusable when not docked. When using it docked and having two external monitors attached I simply turn it of using NVIDIA Settings.

This used to work with KDE4.

Reproducible: Always

Comment 1 Mikael Steen Springer 2016-05-31 05:57:03 UTC

I also tried to scale the desktop using the setting under Configure Desktop/Display and Monitor/Scale Display but this has no effect. I set the scaling to 1.5 and reboots but nothing has changed.

Comment 2 Nate Graham 2022-11-08 20:37:49 UTC

Thank you for the bug report. Unfortunately we were not able to get to it yet. Can we ask you to please check if this is still an issue with Plasma 5.25 or 5.26?

If it is, please change the status to CONFIRMED when replying. If not, or if you can't because you no longer use this setup, you can change the status to RESOLVED WORKSFORME. Thanks a lot!

Comment 3 Bug Janitor Service 2022-11-23 05:14:12 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 4 mishavpra 2022-11-23 08:34:54 UTC Comment hidden (spam)

Created attachment 153966 [details]
attachment-11639-0.html

Hello,

I have not subscribed to this thread nor submitted the bug and I would like
to no longer receive mails concerning it.

On Wed, Nov 23, 2022, 06:14 Bug Janitor Service <bugzilla_noreply@kde.org>
wrote:

> https://bugs.kde.org/show_bug.cgi?id=363578
>
> --- Comment #3 from Bug Janitor Service <bug-janitor@kde.org> ---
> Dear Bug Submitter,
>
> This bug has been in NEEDSINFO status with no change for at least
> 15 days. Please provide the requested information as soon as
> possible and set the bug status as REPORTED. Due to regular bug
> tracker maintenance, if the bug is still in NEEDSINFO status with
> no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
> due to lack of needed information.
>
> For more information about our bug triaging procedures please read the
> wiki located here:
> https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging
>
> If you have already provided the requested information, please
> mark the bug as REPORTED so that the KDE team knows that the bug is
> ready to be confirmed.
>
> Thank you for helping us make KDE software even better for everyone!
>
> --
> You are receiving this mail because:
> You are on the CC list for the bug.

Comment 5 Nate Graham 2022-11-23 15:13:36 UTC Comment hidden (spam)

I have removed mishavpra@gmail.com from the CC list.

Comment 6 Bug Janitor Service 2022-12-08 05:13:32 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 7 Bug Janitor Service 2022-12-23 05:23:24 UTC

This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!