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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 CEF6EC6377D for ; Thu, 22 Jul 2021 16:04:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9D8616121E for ; Thu, 22 Jul 2021 16:04:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D8616121E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 49E6B6EA36; Thu, 22 Jul 2021 16:04:19 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 181996E9DD; Thu, 22 Jul 2021 16:04:18 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10053"; a="211681960" X-IronPort-AV: E=Sophos;i="5.84,261,1620716400"; d="scan'208";a="211681960" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2021 09:03:51 -0700 X-IronPort-AV: E=Sophos;i="5.84,261,1620716400"; d="scan'208";a="433351211" Received: from mtwomey-mobl1.amr.corp.intel.com (HELO ldmartin-desk2) ([10.212.167.4]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2021 09:03:51 -0700 Date: Thu, 22 Jul 2021 09:03:45 -0700 From: Lucas De Marchi To: Christoph Hellwig Message-ID: <20210722160345.xi5krc5truc65t5y@ldmartin-desk2> References: <20210722055523.e5tdgcledznyzmxt@ldmartin-desk2> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Subject: Re: [Intel-gfx] 5.14-rc2 warnings with kvmgvt X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Thu, Jul 22, 2021 at 08:20:34AM +0100, Christoph Hellwig wrote: >On Thu, Jul 22, 2021 at 01:55:23AM -0400, Lucas De Marchi wrote: >> humn... PORT_F. KBL doesn't have PORT_F. We decided to keep the handling >> of DISPLAY_VER == 10 and DISPLAY_VER == 9 together and trust the VBT, >> but when the VBT is not present, DDI F will get added unconditio. >> >> maybe best thing to do is to split that > >With this and the previous patch the stack traces are gone. maybe not the perfect fix though... can you share how you're starting qemu so I can try to reproduce it? I'd like to see a log with drm.debug=0xe param. In theory 5a9d38b20a5a ("drm/i915/display: hide workaround for broken vbt in intel_bios.c") should filter out the PORT_F in KBL. thanks Lucas De Marchi _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx