Re: [PATCH] ACPI: resource: revert "Remove "Zen" specific match and quirks"

August Wikerfors
2023-08-06T15:51:53Z

On 2023-08-06 17:14, Hans de Goede wrote:
> Commit a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and
> quirks") is causing keyboard problems for quite a log of AMD based
> laptop users, leading to many bug reports.
>
> Revert this change for now, until we can come up with
> a better fix for the PS/2 IRQ trigger-type/polarity problems
> on some x86 laptops.
>
> Fixes: a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and quirks")
> Link: https://bugzilla.redhat.com/show_bug.cgi?id=2229165
> Link: https://bugzilla.redhat.com/show_bug.cgi?id=2229317
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=217726

Other reports for various Lenovo laptops:
https://lore.kernel.org/all/596b9c4a-fb83-a8ab-3a44-6052d83fa546@augustwikerfors.se/T/
https://bugzilla.kernel.org/show_bug.cgi?id=217718
https://bugzilla.kernel.org/show_bug.cgi?id=217731

> Cc: Mario Limonciello <mario.limonciello@amd.com>
> Cc: Linux regressions mailing list <regressions@lists.linux.dev>
> Cc: stable@vger.kernel.org
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

FWIW only reverting a9c4a912b7dc will also cause a regression because it
did also fix the keyboard on some devices, see the links in its commit
message.

Regards,
August Wikerfors