Bug 286092

Summary:	graphics/drm-61-kmod: desktop corruption on amdgpu when connected to an external display
Product:	Ports & Packages	Reporter:	Zsolt <zsolty_szasz>
Component:	Individual Port(s)	Assignee:	freebsd-x11 (Nobody) <x11>
Status:	New ---
Severity:	Affects Only Me	CC:	zarychtam
Priority:	---	Flags:	bugzilla: maintainer-feedback? (x11)
Version:	Latest
Hardware:	amd64
OS:	Any

Description Zsolt 2025-04-14 12:54:37 UTC

Hi, 

When I connect my Lenovo to external display by HDMI then I got a corruption. Desktop is split and the right part of the screen is lower by few pixels then the left part. 

Link: https://imgur.com/HXrg4iA

Laptop: ThinkBook15-G2 with amdgpu_renoir, driver: drm-61-kmod-6.1.128.1402000_2
OS: 14.2-RELEASE-p3, kernel: 1402000.

Comment 1 Marek Zarychta 2025-04-14 15:44:24 UTC

AMDGPU is buggy in 14.2, please see bug 285747. Maybe the fix will work for you.