From nobody Sat Feb 7 18:44:44 2026 Received: from relay12.grserver.gr (relay12.grserver.gr [88.99.38.195]) (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 9964528C039; Wed, 8 Oct 2025 14:02:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=88.99.38.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759932165; cv=none; b=qt8/xs8EdCsXdFdSyYBGWsu//jTk4Z+AvUCmNRYQy2glkTudRQbLJIlF+vEkItqxrCsZTHU1I/6K3RkK+ZvVOi0M+TlcukTXU/y0Z9YV3HE+KBexsBEqSwpa8J3Fka6okpGO4Sm71LffGwIOvsxQ4TQPAP+4agNPx9tR8/ACkS0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759932165; c=relaxed/simple; bh=9Ftb8HT4U+94l+yfcnsxrP/I1TAJoIq3MmSp5vchlh0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=coY0SRtnpFlbjSy/ktAiinDiFU65KlvlK4WBjJ0tm2STqN0a3iGcPTZvxST111m1SqFpPuISO5PMg8bCWYvalL26faP5dFOU203YuDdIa/9VbzPi8XFN+52j8lT5nBXW69OpPhH2RgWIe6xutp8LrGbXP6znH9+UF06LoO/VGv0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=antheas.dev; spf=pass smtp.mailfrom=antheas.dev; dkim=temperror (0-bit key) header.d=antheas.dev header.i=@antheas.dev header.b=FRYDrsor; arc=none smtp.client-ip=88.99.38.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=antheas.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=antheas.dev Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=antheas.dev header.i=@antheas.dev header.b="FRYDrsor" Received: from relay12 (localhost [127.0.0.1]) by relay12.grserver.gr (Proxmox) with ESMTP id 9C576BDC78; Wed, 8 Oct 2025 16:53:03 +0300 (EEST) Received: from linux3247.grserver.gr (linux3247.grserver.gr [213.158.90.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by relay12.grserver.gr (Proxmox) with ESMTPS id C44B3BD728; Wed, 8 Oct 2025 16:53:02 +0300 (EEST) Received: from antheas-z13 (x5996a8de.customers.hiper-net.dk [89.150.168.222]) by linux3247.grserver.gr (Postfix) with ESMTPSA id 97A43200AFF; Wed, 8 Oct 2025 16:53:00 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antheas.dev; s=default; t=1759931582; bh=HF3GdUDqna0JtovzbxEWdz+Sil8SitjVp0gD5Y9pl0w=; h=From:To:Subject; b=FRYDrsorGBLIH59iqyuWuZ8efMZTRc+4l2OAHhrOLi3uK6yUeNW5+r8ndfJRrMBiV VveXc8ehmK1wI2GrQ8NCeUxef9hZVxgx0ZLSHT+9QtLHvE6sayj71PJqNw8AXngy98 i2drsw5pFKASUs/YDPa9kDK0XewhCzBMTF1iP0xJ1kn0mR+ZMsK5VLWExGFrptlSVX KWX2C7zzOP11ttAJyLWkjtEvyyc4SLRPSoJK6BPwVerMgd+CMlSOrsJ2F/cwAmiW0L AynNgrqOnUjsThHDrsh8hgNhmHawDFoC4A0uC2sftAyrfBDrotSqJFLzXoJgmZVXD9 /eYPjCwXjSL0A== Authentication-Results: linux3247.grserver.gr; spf=pass (sender IP is 89.150.168.222) smtp.mailfrom=lkml@antheas.dev smtp.helo=antheas-z13 Received-SPF: pass (linux3247.grserver.gr: connection is authenticated) From: Antheas Kapenekakis To: Mario Limonciello , Shyam-sundar.S-k@amd.com, hansg@kernel.org, ilpo.jarvinen@linux.intel.com Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Pearson , Antheas Kapenekakis Subject: [PATCH v1] platform/x86/amd: pmc: Add Lenovo Legion Go 2 to pmc quirk list Date: Wed, 8 Oct 2025 15:50:57 +0200 Message-ID: <20251008135057.731928-1-lkml@antheas.dev> X-Mailer: git-send-email 2.51.0 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 X-PPP-Message-ID: <175993158218.2390865.6573007729673899082@linux3247.grserver.gr> X-PPP-Vhost: antheas.dev X-Virus-Scanned: clamav-milter 1.4.3 at linux3247.grserver.gr X-Virus-Status: Clean Content-Type: text/plain; charset="utf-8" The Lenovo Legion Go 2 takes a long time to resume from suspend. This is due to it having an nvme resume handler that interferes with IOMMU mappings. It is a common issue with older Lenovo laptops. Adding it to that quirk list fixes this issue. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4618 Suggested-by: Mario Limonciello Signed-off-by: Antheas Kapenekakis Reviewed-by: Mario Limonciello (AMD) --- drivers/platform/x86/amd/pmc/pmc-quirks.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x= 86/amd/pmc/pmc-quirks.c index d63aaad7ef59..0fadcf5f288a 100644 --- a/drivers/platform/x86/amd/pmc/pmc-quirks.c +++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c @@ -204,6 +204,23 @@ static const struct dmi_system_id fwbug_list[] =3D { DMI_MATCH(DMI_PRODUCT_NAME, "82ND"), } }, + /* https://gitlab.freedesktop.org/drm/amd/-/issues/4618 */ + { + .ident =3D "Lenovo Legion Go 2", + .driver_data =3D &quirk_s2idle_bug, + .matches =3D { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "83N0"), + } + }, + { + .ident =3D "Lenovo Legion Go 2", + .driver_data =3D &quirk_s2idle_bug, + .matches =3D { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "83N1"), + } + }, /* https://gitlab.freedesktop.org/drm/amd/-/issues/2684 */ { .ident =3D "HP Laptop 15s-eq2xxx", base-commit: a8cdf51cda30f7461a98af821e8a28c5cb5f8878 --=20 2.51.0