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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 29C84C33CA8 for ; Mon, 13 Jan 2020 09:56:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D6E4C2080D for ; Mon, 13 Jan 2020 09:56:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XS2NL25d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726277AbgAMJ4s (ORCPT ); Mon, 13 Jan 2020 04:56:48 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:49196 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726163AbgAMJ4s (ORCPT ); Mon, 13 Jan 2020 04:56:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578909407; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=UCvTXYMbzC5vCpYE+uOK6yxI2QnoH2hk7vv2O/6gzmk=; b=XS2NL25dBLXrWRE2SNmcSTEOku6UdJQU1X1djFXA/qGT1yZD7QChsx+0ehddktvia2XIRB wwbLzuY78f77W47S9nMD4gt8+cuUer55urofpMDstyuQ1AlsZ1SCHpXVYuBaohXo1+iOQh 2Q9T1v7x4B5he2+IOpaTobyIyb5l24g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-380-HdATJDllOr6NV5NQyjFoag-1; Mon, 13 Jan 2020 04:56:43 -0500 X-MC-Unique: HdATJDllOr6NV5NQyjFoag-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2105E1800D78; Mon, 13 Jan 2020 09:56:41 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-106.ams2.redhat.com [10.36.116.106]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0CE411001DD7; Mon, 13 Jan 2020 09:56:37 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 1B9679DB3; Mon, 13 Jan 2020 10:56:36 +0100 (CET) Date: Mon, 13 Jan 2020 10:56:36 +0100 From: Gerd Hoffmann To: Dmitry Sepp Cc: Keiichi Watanabe , virtio-dev@lists.oasis-open.org, Tomasz Figa , Linux Media Mailing List , Alexandre Courbot , Alex Lau , Daniel Vetter , Dylan Reid , Enrico Granata , Frediano Ziglio , Hans Verkuil , =?utf-8?B?U3TDqXBoYW5l?= Marchesin , Pawel Osciak , spice-devel@lists.freedesktop.org, David Stevens , uril@redhat.com Subject: Re: [virtio-dev] Re: [PATCH v2 0/1] VirtIO video device specification Message-ID: <20200113095636.blov62o4gbf27om5@sirius.home.kraxel.org> References: <20191218130214.170703-1-keiichiw@chromium.org> <2137719.ElGaqSPkdT@os-lin-dmo> <7740094.NyiUUSuA9g@os-lin-dmo> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7740094.NyiUUSuA9g@os-lin-dmo> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi, > This also means that we cannot have unspec for planes layout. Device either > expects planes in separate buffers or in one buffer with some offsets, there > cannot be mixed cases. Hmm. Is it useful to support both? Or maybe support the "one buffer + offsets" case only? Splitting one buffer into multiple smaller ones internally if needed shouldn't be a problem, and it would simplify the interface a bit ... cheers, Gerd From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-6648-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 71F6C985CD4 for ; Mon, 13 Jan 2020 09:56:48 +0000 (UTC) Date: Mon, 13 Jan 2020 10:56:36 +0100 From: Gerd Hoffmann Message-ID: <20200113095636.blov62o4gbf27om5@sirius.home.kraxel.org> References: <20191218130214.170703-1-keiichiw@chromium.org> <2137719.ElGaqSPkdT@os-lin-dmo> <7740094.NyiUUSuA9g@os-lin-dmo> MIME-Version: 1.0 In-Reply-To: <7740094.NyiUUSuA9g@os-lin-dmo> Subject: Re: [virtio-dev] Re: [PATCH v2 0/1] VirtIO video device specification Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline To: Dmitry Sepp Cc: Keiichi Watanabe , virtio-dev@lists.oasis-open.org, Tomasz Figa , Linux Media Mailing List , Alexandre Courbot , Alex Lau , Daniel Vetter , Dylan Reid , Enrico Granata , Frediano Ziglio , Hans Verkuil , =?utf-8?B?U3TDqXBoYW5l?= Marchesin , Pawel Osciak , spice-devel@lists.freedesktop.org, David Stevens , uril@redhat.com List-ID: Hi, > This also means that we cannot have unspec for planes layout. Device eith= er=20 > expects planes in separate buffers or in one buffer with some offsets, th= ere=20 > cannot be mixed cases. Hmm. Is it useful to support both? Or maybe support the "one buffer + offsets" case only? Splitting one buffer into multiple smaller ones internally if needed shouldn't be a problem, and it would simplify the interface a bit ... cheers, Gerd --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org