From nobody Wed Oct 8 05:47:01 2025 Received: from mail.tuxedocomputers.com (mail.tuxedocomputers.com [157.90.84.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0BED52FE33C for ; Tue, 1 Jul 2025 20:56:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=157.90.84.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751403410; cv=none; b=I5HToisKsZ5beuAKgOHXAKYyJXRkhV9Nh3h7GavyDcI1SKo8NcmqmW/BMo1c21jUFasp1ElGai/8AU8h6Qy6r3WI58o/fpIVz5+hNUDpl8nS8Cpc83nyZJvUY3/fBbWwqx+DS82+S2FroSPZW7QtHdGnkv1fKvt9bmUNWhbBNPs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751403410; c=relaxed/simple; bh=xs1k1IKAt2QUNwG4AyLQYMUY9rKaJpNgz35MNxAhIfU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FBmv/b3oGygaea8efa5TaB6Shi5ThJZDIicUYPBTv7xsHB4ebiIMdY9BdJJLf19NaG5G53HwSSVgEmJof1vvI/Jnyvf3u4JvW/I3mMsuVuXpx/XPJ3pOl4YaOW8MofeCtkKu5AtGJIR8B3JAOPvScd3pyT6RgHDEQc30RzdxC3U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tuxedocomputers.com; spf=pass smtp.mailfrom=tuxedocomputers.com; dkim=pass (1024-bit key) header.d=tuxedocomputers.com header.i=@tuxedocomputers.com header.b=YRnCJaCr; arc=none smtp.client-ip=157.90.84.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tuxedocomputers.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxedocomputers.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=tuxedocomputers.com header.i=@tuxedocomputers.com header.b="YRnCJaCr" Received: from wse-pc.fritz.box (pd9e59880.dip0.t-ipconnect.de [217.229.152.128]) (Authenticated sender: wse@tuxedocomputers.com) by mail.tuxedocomputers.com (Postfix) with ESMTPA id 4C31D2FC022C; Tue, 1 Jul 2025 22:56:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxedocomputers.com; s=default; t=1751403398; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=oiDQGr9MkOCts7ZkE3xY4x9skLNvAEcRqxFvVngRJEo=; b=YRnCJaCrDEE3QOlZP/VEVkYCmhAdqZXmT9XgOPcrduoyeid8qoE9ktRHx/VjNIL6z/Tjlv xSUheyXdHre0/ulWgKsoBk4q+5seNn/tznKNTb4Zkdq40nCzFm018QbgnimK4LXdn3LM/F jLmc2gPCjvi5raV+SAxEu8ypZBpWHtI= Authentication-Results: mail.tuxedocomputers.com; auth=pass smtp.auth=wse@tuxedocomputers.com smtp.mailfrom=wse@tuxedocomputers.com From: Werner Sembach To: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: Georg Gottleuber , Werner Sembach , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] nvme-pci: Add TUXEDO IBS Gen8 to Samsung sleep quirk Date: Tue, 1 Jul 2025 22:55:49 +0200 Message-ID: <20250701205630.64031-1-wse@tuxedocomputers.com> X-Mailer: git-send-email 2.43.0 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 Content-Type: text/plain; charset="utf-8" From: Georg Gottleuber On the TUXEDO InfinityBook S Gen8, a Samsung 990 Evo NVMe leads to a high power consumption in s2idle sleep (3.5 watts). This patch applies 'Force No Simple Suspend' quirk to achieve a sleep with a lower power consumption, typically around 1 watts. Signed-off-by: Georg Gottleuber Signed-off-by: Werner Sembach Cc: stable@vger.kernel.org --- drivers/nvme/host/pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8ff12e415cb5d..d677080e67d33 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3198,10 +3198,12 @@ static unsigned long check_vendor_combination_bug(s= truct pci_dev *pdev) * Exclude Samsung 990 Evo from NVME_QUIRK_SIMPLE_SUSPEND * because of high power consumption (> 2 Watt) in s2idle * sleep. Only some boards with Intel CPU are affected. + * (Note for testing: Samsung 990 Evo Plus has same PCI ID) */ if (dmi_match(DMI_BOARD_NAME, "DN50Z-140HC-YD") || dmi_match(DMI_BOARD_NAME, "GMxPXxx") || dmi_match(DMI_BOARD_NAME, "GXxMRXx") || + dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") || dmi_match(DMI_BOARD_NAME, "PH4PG31") || dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1") || dmi_match(DMI_BOARD_NAME, "PH6PG01_PH6PG71")) --=20 2.43.0