** Changed in: linux-signed-hwe-6.5 (Ubuntu)
Assignee: (unassigned) => Kleber Sacilotto de Souza (kleber-souza)
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https://bugs.launchpad.net/bugs/2059353
Title:
kernel 6.5.0-26-generic causes 640x480 default resolution on aspeed
(drm/ast) video
Status in linux-signed-hwe-6.5 package in Ubuntu:
Confirmed
Bug description:
The previous kernel 6.5.0-17 worked fine. With -26, the gdm login
screen is only 640x480. I inspected the changelog from -17 to -26 and
found '- Revert "drm/ast: report connection status on Display Port."'
in the list. I found the reverted patch at
https://www.spinics.net/lists/stable/msg682026.html.
I then built the 6.5.0-26 package with the "report connection" patch
added and the resulting kernel has the correct resolution now.
Why was the "report connection" patch reverted? Can it please be put
back in?
Hardware tested - Supermicro SYS-241E-TNRTTP. lspci shows this info for the
ASPEED video controller:
02:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics
Family (rev 52)
02:00.0 0300: 1a03:2000 (rev 52)
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