From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4367DC7EE30 for ; Tue, 1 Jul 2025 21:07:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=oiDQGr9MkOCts7ZkE3xY4x9skLNvAEcRqxFvVngRJEo=; b=zWBlzdaItIWNQI86Ek+TDBfjnE v4cNIodmjswY6b4Dw/FVAD3+xze7YNnH7phOb7s8v1l321qNp6gbsYQ16Cnp8z9S8JD42Pu7ocjrw je4GHp3wX/OV3c9klEGSgagjFGh/rlbNWQmO17nD9MPfJ+EArJfeUMEJZXGhh0D8M0Dgc/t3ho9Yw 9IKGnsP1szLnzfhMrSyws7/6a5mZNAGyJE4VOGju16hX4oJMTdt2w52dG7uJfyAIwvDH7FIapL5o+ K/sqTTOz+osv2zw5oMnZ0UyHnAcwB6L1wkzNlMm68rPGCHuyA18xTGZjVoZCGoONRhVTfGoGIacAR lOT6YjXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uWiCZ-00000006eIm-2phy; Tue, 01 Jul 2025 21:07:39 +0000 Received: from mail.tuxedocomputers.com ([157.90.84.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uWi1z-00000006ckD-10tG for linux-nvme@lists.infradead.org; Tue, 01 Jul 2025 20:56:44 +0000 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250701_135643_709434_35A98659 X-CRM114-Status: UNSURE ( 9.03 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org 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(struct 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")) -- 2.43.0