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[23.128.96.18]) by mx.google.com with ESMTP id o23si19575775pll.79.2021.09.26.07.54.31; Sun, 26 Sep 2021 07:54:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@vanguardiasur-com-ar.20210112.gappssmtp.com header.s=20210112 header.b=S+hw9FjU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231849AbhIZOx2 (ORCPT + 99 others); Sun, 26 Sep 2021 10:53:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231871AbhIZOx1 (ORCPT ); Sun, 26 Sep 2021 10:53:27 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 817AEC061575 for ; Sun, 26 Sep 2021 07:51:51 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id v18so22496209edc.11 for ; Sun, 26 Sep 2021 07:51:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vanguardiasur-com-ar.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sLce4anF/Ldxr9zJgqQp47ftX0X/kbCvqATSWd0SLuI=; b=S+hw9FjUgdENuVuqSrXHDlFjl4Zr9rPqWNEez8sEdpicMAbHwC2QIRkpRloWZzwpuA vcuMX59mB52afIhYL1N6sSE1uki387Gw42gR6DqohyNOmFG9GUak+ALFy6SY2nxvuJCV A2csKPZIvtE9OjBsqYJgK5KYHU3GQ5PWrOErJC+AkLR9AMU45iRWE2QcCuMPv9v8DKoy qoe95ToLD0LZgt1tjsejG8rlWCzpSokJCGwoxOPRyCCUn7/eZLQrd2YksqMy8/yvhgA/ Uri7Z7xPRnCKqsMT7fOrkvP9dYwRU1KQ/eI0xQFhBswN1xq+Tq3yra/1IUJWxnPH9inB lZ5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sLce4anF/Ldxr9zJgqQp47ftX0X/kbCvqATSWd0SLuI=; b=pMRWkRmGYyE9RP81N5o9w4WhAszeC43qpn0ca0ttvyE3dYsLB/uHjY+74fe8XLLP1q G5xY3wHR2/JzMud5Avkvfn0Buc1uFmrluRBQ1/f+yNkBEYTiXrh3PsvCEAJXJgjXJ7cI 53M2Bvqch7peZ41wSRcpfp1ZrSQzLrRkJ4gh2MKQZcq1Kt0YNUJi/0v5qdVUzoOq07sr b/hK6EU8ZqQa0jzsmGzj+0Lzq8F2KK4HBfUOqHbqK22o2osplIQQ/M5HODDT/GudN51T +CJBpsh+mAsE3lLw6iuHfVco3SlFknGCcy6SuUXyueyghjcjr6ngXJ/gP7B0UcrRu7tE tdlA== X-Gm-Message-State: AOAM532a4l7LJbglzxqKqtTXj7Eswfx8QM586iiJIlat1QFY45RvT8Ys NsvjKvonC0BRnxRl0enDGmY+qumst2A46SDwNMqReQ== X-Received: by 2002:a17:906:e20e:: with SMTP id gf14mr22462818ejb.244.1632667909119; Sun, 26 Sep 2021 07:51:49 -0700 (PDT) MIME-Version: 1.0 References: <20210901083215.25984-1-yunfei.dong@mediatek.com> <3b9463e88d88ce85205da08f8263252da7726ade.camel@mediatek.com> In-Reply-To: From: Ezequiel Garcia Date: Sun, 26 Sep 2021 11:51:37 -0300 Message-ID: Subject: Re: [PATCH v6, 00/15] Using component framework to support multi hardware decode To: "yunfei.dong@mediatek.com" Cc: Alexandre Courbot , Hans Verkuil , Tzung-Bi Shih , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa , Laurent Pinchart , Daniel Vetter , dri-devel , Hsin-Yi Wang , Fritz Koenig , Irui Wang , linux-media , devicetree , Linux Kernel Mailing List , linux-arm-kernel , srv_heupstream , "moderated list:ARM/Mediatek SoC support" , Project_Global_Chrome_Upstream_Group Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 26 Sept 2021 at 05:27, yunfei.dong@mediatek.com wrote: > > Hi Ezequiel, > > Could you please help to give some feedback when you are free for iommu > limitation? > How about you work on the architecture I originally suggested? As the saying goes, talk is cheap, show us the code. So let's see the code and let's discuss the limitations with the code. > According to google's suggestion, it's better not to use v4l2 async > also. Hum? I haven't seen such objection on the mailing list. Thanks, Ezequiel