From nobody Sun Feb 8 12:14:23 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3849399A59; Wed, 14 Jan 2026 12:42:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768394553; cv=none; b=T0hJCbAGxdO+2dgkt4AnjQYJ+iux9/9FbA0gNfeg2FXkC5+LWiWbmM4M/+r30np9XSiLtA1l/OVofzMwnWkAbnBBnWyY5R7ircKvWYofrdEaz54x3PKU2qF516J0gTn6x0Fhv/ABshmOoOJ7+hM47ymI5zht05DvRommibj+6ao= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768394553; c=relaxed/simple; bh=F57cUQsd2jwHyRn5zrEtCD+Txmyw6Yex1SXW6tNoFjQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eTSwtQdHjc2aenhFkbflrQRKkVK7UqSmbqJoNlbWNcA7ooKJRLFaSMwV1mC2QqW7y1edDl76p5zo26ub9S19AhkZd7s6ezszcZmIrx01biBL6EO1nejgdle0MAg1AEg0yf/ednQV4PEePijy/SA82oVyKsMmTAvOw1d6YLghcgs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O3DMeEuN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="O3DMeEuN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B5DFC4CEF7; Wed, 14 Jan 2026 12:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768394552; bh=F57cUQsd2jwHyRn5zrEtCD+Txmyw6Yex1SXW6tNoFjQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O3DMeEuNzOl/G7H9M11A7QcVeDsLlHUpXa332/xVDXp33XiwrU4nlNqpeYnsi+Ede w+LDZKRTVEINaYljnjqVJ4/5Pdlay5Ue5lfklMv1ZvVcwIkmz3yoye7z8b9NbSbBrC Sv9k1Vd8g+tWPH3Ruyusl7QxvHswP4C0MU44W/fXYywb3bqHnjF32Zg56RRKIxAzis rYxgfaCx8EQ++xC0EReHqNexaMrYpaC2k+YgDsbWhd6DgGP76Kcxkoj+wfQhZkzOdK rJnUzimjGgokCu5Wp/T0cJfmI4pA3spOkZPvHgpxVpcIdDsPq63BYHhx57axCR4gFD TQDTQhw2B/DtQ== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , "Dumbre, Saket" Subject: [PATCH v1 07/26] ACPICA: Add support for the Microsoft display mux _OSI string Date: Wed, 14 Jan 2026 13:21:59 +0100 Message-ID: <10790566.nUPlyArG6x@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <12822121.O9o76ZdvQC@rafael.j.wysocki> References: <12822121.O9o76ZdvQC@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Armin Wolf As per [1]. Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/display/au= tomatic-display-switch [1] Link: https://github.com/acpica/acpica/commit/28b644211ff2 Signed-off-by: Armin Wolf Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/utosi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index f6ac16729e42..88d04183ad0a 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -92,7 +92,11 @@ static struct acpi_interface_info acpi_default_supported= _interfaces[] =3D { {"Processor Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}, {"3.0 Thermal Model", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}, {"3.0 _SCP Extensions", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}, - {"Processor Aggregator Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0} + {"Processor Aggregator Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}, + + /* See https://learn.microsoft.com/en-us/windows-hardware/drivers/display= /automatic-display-switch */ + + {"DisplayMux", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0} }; =20 /*************************************************************************= ****** --=20 2.51.0