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=-0.8 required=3.0 tests=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 EE596C433DF for ; Thu, 21 May 2020 08:16:24 +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 B33BA207D3 for ; Thu, 21 May 2020 08:16:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B33BA207D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk 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 492966E90E; Thu, 21 May 2020 08:16:24 +0000 (UTC) Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5D3316E912 for ; Thu, 21 May 2020 08:16:22 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 21248857-1500050 for multiple; Thu, 21 May 2020 09:15:51 +0100 MIME-Version: 1.0 In-Reply-To: <20200521003803.18936-11-lucas.demarchi@intel.com> References: <20200521003803.18936-1-lucas.demarchi@intel.com> <20200521003803.18936-11-lucas.demarchi@intel.com> To: Lucas De Marchi , intel-gfx@lists.freedesktop.org From: Chris Wilson Message-ID: <159004895049.32320.12873319653894722023@build.alporthouse.com> User-Agent: alot/0.8.1 Date: Thu, 21 May 2020 09:15:50 +0100 Subject: Re: [Intel-gfx] [PATCH 10/37] drm/i915: add pcie snoop flag 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: Matthew Auld , fernando.pacheco@intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Quoting Lucas De Marchi (2020-05-21 01:37:36) > From: Matthew Auld > > Gen 12 dgfx devices are coherent with system memory even over PCIe. > Therefore supporting coherent userptr should be possible. Then set has-snoop with a comment that it is over PCIe. This patch only covers one cache-coherent usecase, not all of them. Why not? -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx