Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753330AbdFMPtV (ORCPT ); Tue, 13 Jun 2017 11:49:21 -0400 Received: from anholt.net ([50.246.234.109]:35400 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751758AbdFMPtU (ORCPT ); Tue, 13 Jun 2017 11:49:20 -0400 From: Eric Anholt To: Daniel Stone Cc: dri-devel , Linux Kernel Mailing List , Boris Brezillon Subject: Re: [PATCH 2/2] drm/vc4: Add get/set tiling ioctls. In-Reply-To: References: <20170608001336.12842-1-eric@anholt.net> <20170608001336.12842-2-eric@anholt.net> User-Agent: Notmuch/0.22.2+1~gb0bcfaa (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Tue, 13 Jun 2017 08:49:17 -0700 Message-ID: <87y3svyjk2.fsf@eliezer.anholt.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2016 Lines: 47 --=-=-= Content-Type: text/plain Daniel Stone writes: > Hi Eric, > > On 8 June 2017 at 01:13, Eric Anholt wrote: >> This allows mesa to set the tiling format for a BO and have that >> tiling format be respected by mesa on the other side of an >> import/export (and by vc4 scanout in the kernel), without defining a >> protocol to pass the tiling through userspace. > > I posted a DRI3 v1.1 patch series which can advertise and also transit > modifiers directly under X11, and have also typed up the support for > Wayland which is working just fine with Weston from git. If you > implement DRIimage v15 to advertise and import modifiers, then you can > transit them for free without a magic-back-channel ioctl. Would that > be enough to convince you to drop this series? Not really -- this patch is pretty small, and doesn't require updating the entire world. I've been delaying writing this patch since, what, XDC last year, waiting for the modifiers pipeline to materialize, and I'm not convinced that this One Last Patchset is going to land soon enough. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE/JuuFDWp9/ZkuCBXtdYpNtH8nugFAllACX0ACgkQtdYpNtH8 nui4dQ/+M7e3OKkQUpt3SrFSfCHrGDf570bbVFEniygRUY1YGpfT2jBcXw1Ci+n2 vwlD+q0kQnzAU9auzW/iDzDFXxoofBfLgDuTQWryhi0fa8vsqhqvUff1FwgDlwaz ohMQ6IWg1g3f3yYOWV2wFkDmo05pE98mwvgReq/HkzPywzyITGeVaNO2S/+7xP4W XPunZNE9ysAyXeGYodtYrD9AxzNTJUG6BFl/5brTADD7B99csjRKKOPNuQCHB8T3 POlTIabiTfwJFgbrtpw6gO8A0tpjLU2nCdhBy0vQG3iwfo9+B1ufEspgVFDALN86 P/OVwpBy1gH1PCqH69DtP7ZEBjrGbOIYqDTvaizq+fldoDbG7eHUQPS1U0s3vWkf Tb8ygkdl977gaKa5pRXC0WraAl6ozq9librprL3pjSw0bgPIQzZGqIle1nNFpklE ED0YY3N5hxIOxS7MpB641aQ28QFDQrWRIlz4ebe2Zre3Ayz009KBk4glzEyVsemg V3uBbFv/xqo+7mCvrQvQXMfghWsZ6jJCqN59lmMUyWqdd9GlCBi0hpHSs+yvsIHC poU9kkq9i9b/ZIYk1Sy6mbtPxn2xhRSyQvXoamykZUTooykwUbePKW8PnnQ2PMCC L4OxYqPJoOtA+kYiL3qQAbPy8XMk4r2LmtwE9UtyUGajXD60T8c= =gq8K -----END PGP SIGNATURE----- --=-=-=--