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 C3635C531C7 for ; Thu, 23 Jul 2026 10:58:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6F19F10F08E; Thu, 23 Jul 2026 10:58:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SabaAzNG"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id E70B010F08E; Thu, 23 Jul 2026 10:57:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784804279; x=1816340279; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=0PB8su4G1eKB3XSVsRlqMqnAWMu6CGAlZtiLWpDi2hM=; b=SabaAzNGf3Y7B/MRkj+ITmh05yMLnqL5Yub/WdDEVB1Gej0BTRsCuSdQ ouWhfJlHxvA97RN25xPS1FfHKI6qfKgBIZzd2ul/CeaXDvxOlNaYNeKEk jN8bJPDxpuj6l3xTQWPW+WkjSE17Su6CdpV135ZjsQv3E0y/66HQJL4GI b2+cLN8t+yhtcLjlFF0lPyLrZ5M8qOke+mXF6Wv1N+E/vYUo+ZJi0r3KX 9D0H3mC02ro7adltSgnm5huaPGGJ2JVLdRhq1z6MwJS8+fh5Khv3h9NHf c5cYOrgb1nVr3Gr+CnuKOy82dSooyTpq2Ih9PZGmEZ/HadaHlq5KvNBhI A==; X-CSE-ConnectionGUID: WxKJRzHmR+23vF9FQ7vSKQ== X-CSE-MsgGUID: 081tIxW7SjyVMjkpPYGPzw== X-IronPort-AV: E=McAfee;i="6800,10657,11854"; a="96113651" X-IronPort-AV: E=Sophos;i="6.25,180,1779174000"; d="scan'208";a="96113651" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jul 2026 03:57:58 -0700 X-CSE-ConnectionGUID: 2LQHdUVxS4+fz/ihjmAW1w== X-CSE-MsgGUID: hfuB00ZnRPS9EGoBj6BHrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,180,1779174000"; d="scan'208";a="282893467" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa001.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jul 2026 03:57:55 -0700 Date: Thu, 23 Jul 2026 12:57:52 +0200 From: Raag Jadav To: Mallesh Koujalagi Cc: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com, andrealmeid@igalia.com, christian.koenig@amd.com, airlied@gmail.com, simona.vetter@ffwll.ch, mripard@kernel.org, maarten.lankhorst@linux.intel.com, tzimmermann@suse.de, anshuman.gupta@intel.com, badal.nilawar@intel.com, riana.tauro@intel.com, karthik.poosa@intel.com, sk.anirban@intel.com Subject: Re: [PATCH v11 0/3] Introduce cold reset recovery method Message-ID: References: <20260720101815.526813-5-mallesh.koujalagi@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260720101815.526813-5-mallesh.koujalagi@intel.com> X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On Mon, Jul 20, 2026 at 03:48:16PM +0530, Mallesh Koujalagi wrote: > Add support for handling errors that require a complete > device power cycle (cold reset) to recover. > > Certain error conditions leave the device in a persistent hardware > error state that cannot be cleared through existing recovery mechanisms > such as driver reload or PCIe reset. In these cases, functionality can > only be restored by performing a cold reset. > > To support this, the series introduces a new DRM wedging recovery > method, DRM_WEDGE_RECOVERY_COLD_RESET (BIT(4)). When a device is wedged > with this method, the DRM core notifies userspace via a uevent that a cold > reset is required. This allows userspace to take appropriate action to > power-cycle the device. This one looks like to good to go. Chris? André? Can you please help review so we can merge it? Raag