From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794379721; b=bK24HdRUVtEJSM48EwoLp9vFcgiU2SLmIkPnR3gsGvMx24vdCGnv25kSHd8j/YrSBqTL ty+0SzyCZHairGbuGGc12AELAMWFlvnWul/hcNK4T/FcT5wFLHFJs1pURGjvxF1vca1BX WUNUPZlOqNmWQWdD/ctnT0XMjCI6HgdlEEUeA8fJ/obIUonAJVSSS90YjUjd8OhhmVRB+ Y99imwklun9RiaOfA3Sy2cNBh9WITvvR8cXRwrnJDO9SaHv13jDN07g9XaHBB2/3G97s7 groVT7Dld92DsoiH4m3GckMrzTvmPBClSCU0g7LF52ctKk0aj/wFIzQnb88VkgSfHBw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794379721; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=0LYdhZt3vdhRnU7A+opZAv9XS0sXtQ5zbCgxOw9TyAI=; b=q41X+fdYcIe6YaFfhnuszpBGptE0oWGhaYfPg4cnXqgKai4gsgkwASu9X47Yy1o78vFA LwTk3UqjzQ/0iLhJ8nYgnuXJhNxMquDzF37STD9qrSilQnJaYEeZLWOr9A7+qLwsSx7k9 Jw/p2HF118gPLBTelCm9qm7AkwIgMkh1voTJQbwFy2x5nWGmevLN+J9Vdun8ZOfm/A8Wg VWALRbNyB+WZ6E3rb0X3NGQFweXF4AH4JCdQaeLyU7qv63fTp+SERkAsURA6NZtEBPzrs PdJVVv/lOVuuWzPExQgh6y/N3N8LHnWdw2oEkdzaho/++26wYVn+PA33uf2TsqxCT5w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=JN+0kHm7; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0934C606A335 for ; Wed, 11 Nov 2026 06:48:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=JN+0kHm7 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C0261F00A07; Wed, 11 Nov 2026 06:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794379720; bh=0LYdhZt3vdhRnU7A+opZAv9XS0sXtQ5zbCgxOw9TyAI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=JN+0kHm7MXOBCjSUsNShIqn+XVJJK/ozNQg0/RJOyCz/m/Y79muwlXnWQu3JX5c8r 9xR71aLtYZx66CbADcKYfZnv8Nr+2BGMf54UU+ShOy/d6iqcl1/GRZG11GHsLseJdi 50PiB7dYGWzYuN8N4ybZFz8nMrW2o6w/QCecG7hKN/UYrWP2TseY2/xS61xuff8QEK +VbhPaaB85bEOdqo/O2TTj3VUA7mq9pP6Kv4cg+PmWM9Hn4X43OebIt7C95RoXCmpy Q7EH6FjrQ5Ed1D+UhQud9PQPMoFVhIgSE5A9MDJ0f5mOhasCQY2WIuPlM/IwWHJ9W1 GbY5SHdcwNSdQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3] ACPI: x86: Disable wakeup on MSI MS-1592 and MS-1594 dGPU root port Reply-To: sashiko-reviews@lists.linux.dev To: "Victor Carreras" Cc: linux-pci@vger.kernel.org In-Reply-To: <20261111063221.14478-1-vicajilau@gmail.com> References: <20261024054711.21587-1-vicajilau@gmail.com> <20261111063221.14478-1-vicajilau@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 11 Nov 2026 06:48:40 +0000 X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > On MSI Summit E16 Flip A12UCT (motherboard MS-1592, BIOS E1592IMS.111) > and MSI Prestige 16 Studio A13VE / Summit E16 Flip A13VET (motherboard > MS-1594, BIOS E1594IMS.115), the I2C touchpad (ELAN0305:00, 04F3:31FD) > permanently stops generating interrupts as soon as the discrete NVIDIA > GPU (0000:01:00.0) and its parent PCIe Root Port (0000:00:06.0, > \_SB.PC00.PEG0) enter D3cold. >=20 > In the platform's SSDT (MSI_NB / AdlP_Rvp), \_SB.PC00.PEG0 sets its wake > GPIO (WAKG) from the BIOS NVS variable P1WP, which erroneously points to > GPP_A20 (INTC1055:00 pin 62) -- the GPIO interrupt line wired to the > touchpad. >=20 > During boot, \_SB.PC00.PEG0.PON() calls \_SB.SHPO(WAKG, One), setting > PAD_CFG0_GPP_A20.GPIROUTSCI =3D 0 and HostSwOwn =3D 1 so the OS GPIO driv= er > owns the pin. However, when the root port runtime-suspends to D3cold, > [ ... ] > owned by the GPIO driver. >=20 > Closes: https://bugzilla.kernel.org/show_bug.cgi?id=3D220725 > Cc: stable@vger.kernel.org > Signed-off-by: Victor Carreras Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261111063221.1447= 8-1-vicajilau@gmail.com?part=3D1