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X-CSE-ConnectionGUID: NunURPLdT9Khiav+7GR6Jg== X-CSE-MsgGUID: iH3eayGFRZChEwqRx9Cjmw== X-IronPort-AV: E=McAfee;i="6800,10657,11933"; a="459161" X-IronPort-AV: E=Sophos;i="6.27,154,1787036400"; d="scan'208";a="459161" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2026 14:41:53 -0700 X-CSE-ConnectionGUID: yf9RUuT1Q5ulihdatn4IjQ== X-CSE-MsgGUID: MZK0f2hjSbi5JbBZ4flSmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,154,1787036400"; d="scan'208";a="897839" Received: from ccdlinuxdev13.iil.intel.com ([143.185.161.17]) by orviesa007.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2026 14:41:52 -0700 From: Dima Ruinskiy To: intel-wired-lan@lists.osuosl.org Cc: dima.ruinskiy@intel.com, anthony.l.nguyen@intel.com, Christoph Groth , ghrafn Subject: [PATCH iwl-net] e1000e: Add additional systems to disable K1 list Date: Tue, 13 Oct 2026 00:41:13 +0300 Message-Id: <20261012214113.69770-1-dima.ruinskiy@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org On some Lenovo laptops performance issues were reported with K1 enabled. Add them to the list of systems where K1 is disabled by default. Cc: stable@vger.kernel.org Fixes: 578294b8b60d ("e1000e: Reconfigure PLL clock gate timeout and re-enable K1 on Meteor Lake") Reported-by: Christoph Groth Link: https://lore.kernel.org/intel-wired-lan/87v77ial45.fsf@grothesque.org/ Reported-by: ghrafn Link: https://lore.kernel.org/intel-wired-lan/_kB6DUeC6oOmJnK0FobVVJHADewewO3wzeFw_GrempgMu6s5CUwHpkT16Bwn8tXRq0k_CN4b2NY6API37M6mVciEpH6DKbTqK7f13KMpmgI=@proton.me/ Signed-off-by: Dima Ruinskiy --- drivers/net/ethernet/intel/e1000e/netdev.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 834a5b8883df..35c729368684 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -74,6 +74,20 @@ static const struct dmi_system_id disable_k1_list[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad P14s Gen 5"), }, }, + { + .ident = "Lenovo ThinkPad P14s Gen 6", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad P14s Gen 6"), + }, + }, + { + .ident = "Lenovo ThinkPad T14 Gen 6", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T14 Gen 6"), + }, + }, {} }; -- 2.34.1