[Bug 286092] graphics/drm-61-kmod: desktop corruption on amdgpu when connected to an external display

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 14 Apr 2025 12:54:37 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286092

            Bug ID: 286092
           Summary: graphics/drm-61-kmod: desktop corruption on amdgpu
                    when connected to an external display
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: zsolty_szasz@yahoo.com
          Assignee: x11@FreeBSD.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)

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.

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