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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 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 A8B56C49ED7 for ; Thu, 19 Sep 2019 12:33:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 7A89B21848 for ; Thu, 19 Sep 2019 12:33:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nOJty2rp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A89B21848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DsN0uzhzTFCk36RY39Upz9Msu4qER7Scb1qCe/2hGm4=; b=nOJty2rpVmip19VV5Lpk9iyuw PU4odeBuWiRxWQjBIU0alv6rP+OSgdw1qH5XFA9F8O/jfTLM6NdtjDziBjZzKAQli55Y/eBU29WUT KHV/1oYGnO0tm8VY+rE9+XrQzQbkL0RnYiymeS2ZvAjdWCT0bxM/pjNen9VlOHDnAnRH4oEc7p7cn mrDwZ2lL/9Ho6P2SymX/cp5QfjrJAqB22CkxtVeIuCKniWgJF6dXj1d520D8HI28EThyJF3YzJwib 95h7fZFVYHyNZZpoyUYcZikzRkemw0kuzH1To+ANlFSNW7/oBgf6UpNiXzKo8GhTzSoZl2Q3VLRfQ 9hizXq9AA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAvcN-0004vB-VI; Thu, 19 Sep 2019 12:33:04 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAvcK-0004uC-2f; Thu, 19 Sep 2019 12:33:01 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: alyssa) with ESMTPSA id B8C1C28E946 Date: Thu, 19 Sep 2019 08:32:43 -0400 From: Alyssa Rosenzweig To: Nicolas Boichat Subject: Re: [PATCH] arm64: dts: mt8183: Add node for the Mali GPU Message-ID: <20190919123243.GA3457@kevin> References: <20190905081546.42716-1-drinkcat@chromium.org> <20190913181729.GB3115@kevin> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190919_053300_254284_1A3B3FCB X-CRM114-Status: GOOD ( 15.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Dominik Behr , "linux-kernel@vger.kernel.org" , Douglas Anderson , Rob Herring , "moderated list:ARM/Mediatek SoC support" , Boris Brezillon , Matthias Brugger , Steven Price , Nick Fan , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: multipart/mixed; boundary="===============8878456813461194414==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8878456813461194414== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sm4nu43k4a2Rpi4c" Content-Disposition: inline --sm4nu43k4a2Rpi4c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > By the time MT8183 shows up in more concrete devices, it will, certainly > > in kernel-space and likely in userspace as well. At present, the DDK can > > be modified to run on top of the in-tree Mali drivers, i.e. "Bifrost on > > mainline linux-next (+ page table/compatible patches), with blob > > userspace". > > > > While the open userspace isn't ready here quite yet, I would definitely > > encourage upstream kernel for ChromeOS, since then there's no need to > > maintain the out-of-tree GPU driver. >=20 > That's an interesting idea, I had no idea, thanks for the info! >=20 > Would that work with midgard as well? We have released hardware with > RK3288/3399, so it might be nice to experiment with these first. Yes, the above would work with Midgard as well with no changes needed. Ping Steven about thtat (CC'd). > > More immediately, per Rob's review, it's important that the bindings > > accepted upstream work with the in-tree Bifrost driver. Conceptually, > > once Mesa supports Bifrost, if I install Debian on a MT8183 board, > > everything should just work. I shouldn't need MT-specific changes / need > > to change names for the DT. Regardless of which kernel driver you end up > > using, minimally sharing the DT is good for everyone :-) >=20 > Yes. I'll try to dig further with MTK, but this may take some time. Thank you! --sm4nu43k4a2Rpi4c Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ17gm7CvANAdqvY4/v5QWgr1WA0FAl2DdWcACgkQ/v5QWgr1 WA1hxw//TRYFfG359ycsk4qVwveSnK9GFoKgfPx0UD6KVttjcVebh10JgmvhdS6P MIUe3X2Z55xOliZtP/J8aRTI+GcqodYOm+2NXit9Qrs9ME3wH1PribyPOanVdDeY LyVOiz2hKFiXgIQ+Tc3IwbKF8fG/9J1SCuBCPF7WhxWPPCq/M8l9nfis2BptnMri e/qXnFjFULKgZqr2PT/iAE4FwqqRwazg3zZrknP+pVyluXKYm2yjVN9wpjG9PD+/ rxjgLJF8q+YmhTnVsN17bs5/lM0I1DPAMPaQqcDgYXt2BDpqqX1iImmxvLhWo2Gd cJ9uLExJvgwlpwGAv/q5S6UDJb6Svm2Hj9vqhE4gc0nRldJ+z61CnoSZZxohSOLP c37VB3DCoy2Nq3AYL2RWWESL1e7fmrFvhfXAn+vUguvufzv6khm/ymkV/Fv3sCIf pScO4+/WtjsjPVCUJhqE/sJmQAZSGJl3JntNPjW/Wcx/RytrfduL7/xDm36jtC5u zMTPdW9gZlS6ljNBVpErL1sq40MLM3aH8uUaeiOZmq+/P8zDYYBPgxAPPQ+oa0Ai y3uXXGb80thBw3uCZQlYmfeo5pfGb8opGmvEGejJWy05CC/jZIdDvq7vm0Cw9r0Y FniCzNzidydYsTv2Hg6rPNSGHAfh2ZzJq9nSRKhUa4HpZEOK0SY= =V95/ -----END PGP SIGNATURE----- --sm4nu43k4a2Rpi4c-- --===============8878456813461194414== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8878456813461194414==--