Bug 476470

Summary:	display corruption upon switching from 4k to 1080p
Product:	[I don't know] kde	Reporter:	vailingsiren <alex>
Component:	general	Assignee:	Unassigned bugs <unassigned-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	nate
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Kubuntu
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	display corruption when changing resolution from 4k to 1080p display corruption when changing resolution from 4k to 1080p display corruption when changing resolution from 4k to 1080p

Description vailingsiren 2023-11-02 13:59:31 UTC

Display corruption when changing resolution from 4k to 1080p.
Specs:
Thinkpad T14 Gen 2a
R7 5850U
Vega 8, I think
24gb ram
4k internal display


STEPS TO REPRODUCE
1. Open display configuration
2. Change resolution from 4k to 1080p
3. apply

OBSERVED RESULT
major display corruption mostly excluding top left

EXPECTED RESULT
display resolution changes to 1080p and rescales accordingly to fit whole screen

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 23.10
(available in About System)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10

ADDITIONAL INFORMATION
untested with older versions of KDE or different hardware

Comment 1 vailingsiren 2023-11-02 14:36:38 UTC

Created attachment 162824 [details]
display corruption when changing resolution from 4k to 1080p

Comment 2 vailingsiren 2023-11-02 14:39:23 UTC

Created attachment 162825 [details]
display corruption when changing resolution from 4k to 1080p

Comment 3 vailingsiren 2023-11-02 14:39:59 UTC

Created attachment 162826 [details]
display corruption when changing resolution from 4k to 1080p

Comment 4 Nate Graham 2023-11-03 21:21:09 UTC

This is a GPU driver bug, but we've worked around it in Plasma 6; see Bug 476060.

*** This bug has been marked as a duplicate of bug 476060 ***