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 X-Spam-Level: X-Spam-Status: No, score=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF5CEC433B4 for ; Mon, 3 May 2021 02:22:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FD7861249 for ; Mon, 3 May 2021 02:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230368AbhECCXV (ORCPT ); Sun, 2 May 2021 22:23:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:35368 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232891AbhECCXP (ORCPT ); Sun, 2 May 2021 22:23:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A321C61249; Mon, 3 May 2021 02:22:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620008542; bh=4wgS89+bSXEGi43PTIOuO6A5Ip3bXg0fPFRXRVxDd8Y=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=EmREiLOQwZTCcWOZgnghe9+CG/ANUqLg84w+iITE8jXyqX5gC200xVqF0mVfkVsE+ eKiQ+yepmo0VGzkIk4wufSwqjL8BcJUSQmu0pP2EfxPMHOhuVQcXFOdbb/8ZTjH+fY FWpVTJ+nqaOT0War2hTFJLMwvF99QdJ9OE/3WSJ+dXeRd9a81CJRCzMArTUM+m57Xf 5sBiDZW4vbr6lDeRtFj9AY2wJh1Nbpg/46NAEhFupydvnIbzQslG08FmPpPbYNfM73 HAlBrSKOjqTAQfo0JwzTRkHWghi0sK39BNMpxIzT4ktmkp4NVITUTp1HTx7H2ltMwx +vyDi8WSEgOQg== Subject: Re: [PATCH v5 2/2] PCI: Enable NO_BUS_RESET quirk for Nvidia GPUs To: Shanker Donthineni , Alex Williamson Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Vikram Sethi , Amey Narkhede References: <20210430232624.25153-1-sdonthineni@nvidia.com> <20210430232624.25153-2-sdonthineni@nvidia.com> From: Sinan Kaya Message-ID: Date: Sun, 2 May 2021 22:22:20 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210430232624.25153-2-sdonthineni@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On 4/30/2021 7:26 PM, Shanker Donthineni wrote: > On select platforms, some Nvidia GPU devices do not work with SBR. > Triggering SBR would leave the device inoperable for the current > system boot. It requires a system hard-reboot to get the GPU device > back to normal operating condition post-SBR. For the affected > devices, enable NO_BUS_RESET quirk to fix the issue. > > This issue will be fixed in the next generation of hardware. > > Signed-off-by: Shanker Donthineni Reviewed-by: Sinan Kaya