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 75460C433EF for ; Wed, 9 Feb 2022 14:02:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 631AE10E50C; Wed, 9 Feb 2022 14:02:18 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id DA30710E4EA; Wed, 9 Feb 2022 14:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644415336; x=1675951336; h=message-id:subject:from:to:date:in-reply-to:references: mime-version:content-transfer-encoding; bh=g06LB+wvvw32xEoQsGOkCJmGKIE3q5aMdFKDmLcj+B8=; b=TR0/hHaA45s7ZYEjRDTUAQ3lpKcB3ieuBvETv/d8GxiQrEXYlQx5kCoo MujzKSBdWa+Ak49mIpeVU9olE8dMLErNduVmsG2OT3ggfLwSFaltHf+1w wezxiNyc4McUIj/g3+9IfP6qi21XsNpdwRAc6U+8Vj5vRnS8khtOq5qGK dPq+AcALhODecv2FtrdscH+4+AuU4IwIzk4OMK7hb4PBvmAzAwG1+wgVs NRhXV388JqCuJXT29dBxuCjxz8lVHo7R0nKk3tCio7ym1p88Zti7EJimQ 64tjOGGDPEfXfxZrDHzBndlh/9kCna6J41qP3la+DCFCdr8MChfQBusk+ g==; X-IronPort-AV: E=McAfee;i="6200,9189,10252"; a="246792974" X-IronPort-AV: E=Sophos;i="5.88,355,1635231600"; d="scan'208";a="246792974" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2022 06:02:16 -0800 X-IronPort-AV: E=Sophos;i="5.88,355,1635231600"; d="scan'208";a="701260468" Received: from ksenyako-mobl.ccr.corp.intel.com (HELO [10.249.254.168]) ([10.249.254.168]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2022 06:02:14 -0800 Message-ID: From: Thomas =?ISO-8859-1?Q?Hellstr=F6m?= To: Christian =?ISO-8859-1?Q?K=F6nig?= , sumit.semwal@linaro.org, daniel.vetter@ffwll.ch, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org Date: Wed, 09 Feb 2022 15:02:11 +0100 In-Reply-To: <20220204100429.2049-4-christian.koenig@amd.com> References: <20220204100429.2049-1-christian.koenig@amd.com> <20220204100429.2049-4-christian.koenig@amd.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.40.4 (3.40.4-2.fc34) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [Intel-gfx] [PATCH 3/6] dma-buf: Warn about dma_fence_chain container rules v2 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Fri, 2022-02-04 at 11:04 +0100, Christian König wrote: > Chaining of dma_fence_chain objects is only allowed through the prev > fence and not through the contained fence. > > Warn about that when we create a dma_fence_chain. > > v2: fix comment style > > Signed-off-by: Christian König > Reviewed-by: Daniel Vetter > Reviewed-by: Thomas Hellström It looks like this blows up in generic drm code... https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22201/shard-skl10/igt@syncobj_timeline@transfer-timeline-point.html /Thomas