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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 20DC3D185DB for ; Thu, 8 Jan 2026 11:37:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7CBA010E33C; Thu, 8 Jan 2026 11:37:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="aKHx2RpW"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2E53210E33C for ; Thu, 8 Jan 2026 11:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767872240; x=1799408240; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=2iASbPFxSPU48msnD3ShyL4Id+uDsJoqTO3GMqDZB0E=; b=aKHx2RpWDw0tswJoYDMz/ue54DNN4UIIhrUalFopjhn21jU9BnRA4jMq Cn1UtZRczqKye+bjjpqAGNFbbWVq3rTgLmrDqoa7wSgQKRaBwDaK/brvw byLZxBdjAb42V+RUiPfTSwcMKuTpX/GcxyL6LWw7gEIiZM8OuhqNrVpRw WEe/Uz8ZxTGidEOioQ3WOL3p0Qf40YEJBh7pmkCg4+0ih3LAXO6WdIrMN Y+1cBGkOHvUjRcMDCNXGbaEo+6oQcz4EdFjNF1IUTP/ttwUMxT8qdhrsh PRJEJcBPKgtleVqWY3vOm4D7/oAfircN7sju1ADhJ0zBhDaaxk2IBSxGS Q==; X-CSE-ConnectionGUID: RIqh5qZNS0SWQr/yjMErfw== X-CSE-MsgGUID: Ac8wiz5HQQC7b7pxysnAKQ== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="80696304" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="80696304" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 03:37:20 -0800 X-CSE-ConnectionGUID: NiD+iZ+0QAieHEu9alwz4A== X-CSE-MsgGUID: dc1p3KseTRWEdAcMI+gkHQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="207318504" Received: from mfalkows-mobl.ger.corp.intel.com (HELO [10.246.17.246]) ([10.246.17.246]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 03:37:18 -0800 Message-ID: Date: Thu, 8 Jan 2026 12:37:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] accel/ivpu: Implement warm boot flow for NPU6 and unify boot handling To: Jeff Hugo , dri-devel@lists.freedesktop.org Cc: oded.gabbay@gmail.com, karol.wachowski@linux.intel.com, lizhi.hou@amd.com References: <20251230142116.540026-1-maciej.falkowski@linux.intel.com> Content-Language: en-US From: "Falkowski, Maciej" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 1/7/2026 6:11 PM, Jeff Hugo wrote: > On 12/30/2025 7:21 AM, Maciej Falkowski wrote: >> From: Karol Wachowski >> >> Starting from NPU6, the driver can pass boot parameters address through >> the AON retention register and toggle between cold/warm boot types using >> the boot_type parameter, while setting the cold boot entry point in both >> cases. >> >> Refactor the existing cold/warm boot handling to be consistent with the >> new NPU6 boot flow requirements and still maintain compatibility with >> older boot flows. >> >> This will allow firmware to remove support for legacy warm boot starting >> from NPU6. >> >> Fixes: 550f4dd2cedd ("accel/ivpu: Add support for Nova Lake's NPU") >> Signed-off-by: Karol Wachowski >> Signed-off-by: Maciej Falkowski > > Happy new year. > > Reviewed-by: Jeff Hugo Happy new year! Pushed to drm-misc-next. Best regards, Maciej