From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alyssa Rosenzweig Subject: Re: [PATCH] arm64: dts: mt8183: Add node for the Mali GPU Date: Thu, 19 Sep 2019 08:32:43 -0400 Message-ID: <20190919123243.GA3457@kevin> References: <20190905081546.42716-1-drinkcat@chromium.org> <20190913181729.GB3115@kevin> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sm4nu43k4a2Rpi4c" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Nicolas Boichat Cc: Rob Herring , Matthias Brugger , Mark Rutland , devicetree@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "moderated list:ARM/Mediatek SoC support" , "linux-kernel@vger.kernel.org" , Nick Fan , Boris Brezillon , Douglas Anderson , Dominik Behr , Steven Price List-Id: devicetree@vger.kernel.org --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--