Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752479AbdDJFQc (ORCPT ); Mon, 10 Apr 2017 01:16:32 -0400 Received: from mail.netline.ch ([148.251.143.178]:52934 "EHLO netline-mail3.netline.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751285AbdDJFQb (ORCPT ); Mon, 10 Apr 2017 01:16:31 -0400 Subject: Re: [PATCH 2/4] drm: Add drm_object lease infrastructure To: Keith Packard , Daniel Vetter Cc: Dave Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20170401170841.2643-1-keithp@keithp.com> <20170401170841.2643-3-keithp@keithp.com> <20170402133802.wgminf777ksczl76@phenom.ffwll.local> <867f32kbyx.fsf@hiro.keithp.com> From: =?UTF-8?Q?Michel_D=c3=a4nzer?= Message-ID: <5c0e9e01-cdfc-8915-3101-fdb4465077d0@daenzer.net> Date: Mon, 10 Apr 2017 14:16:08 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <867f32kbyx.fsf@hiro.keithp.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wFne59HMcEDtQTtEajs9NoBdJtlGivIfc" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2511 Lines: 68 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --wFne59HMcEDtQTtEajs9NoBdJtlGivIfc Content-Type: multipart/mixed; boundary="IO07xsXGGeCx0Uxh16e51m4iFX9pwIDAX"; protected-headers="v1" From: =?UTF-8?Q?Michel_D=c3=a4nzer?= To: Keith Packard , Daniel Vetter Cc: Dave Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Message-ID: <5c0e9e01-cdfc-8915-3101-fdb4465077d0@daenzer.net> Subject: Re: [PATCH 2/4] drm: Add drm_object lease infrastructure References: <20170401170841.2643-1-keithp@keithp.com> <20170401170841.2643-3-keithp@keithp.com> <20170402133802.wgminf777ksczl76@phenom.ffwll.local> <867f32kbyx.fsf@hiro.keithp.com> In-Reply-To: <867f32kbyx.fsf@hiro.keithp.com> --IO07xsXGGeCx0Uxh16e51m4iFX9pwIDAX Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 03/04/17 01:31 AM, Keith Packard wrote: > Daniel Vetter writes: >=20 >> I'm also not sure whether we really want sub-leases in v1, that's easy= >> to add later on, but for now just complicates stuff. Main compositor >> should be a full master, VR can be the first lease level, we don't >> need more I think for now? >=20 > We've discussed how leases might be used to implement multi-user > support, so offering sub-leases means that environment could also > support leasing resources out from the users session. >=20 > We also just don't know how useful it might be until we explore the > space a bit more. It should only be added upstream once it's clear that it's useful. > Given that it takes years to get new features into distributions, I > tend to error on the side of generality. Why would it take years? Distros seem to generally use the latest upstream kernel release available at release/freeze. --=20 Earthling Michel D=C3=A4nzer | http://www.amd= =2Ecom Libre software enthusiast | Mesa and X developer --IO07xsXGGeCx0Uxh16e51m4iFX9pwIDAX-- --wFne59HMcEDtQTtEajs9NoBdJtlGivIfc Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iHEEARECADEWIQSwn681vpFFIZgJURRaga+OatuyAAUCWOsVGBMcbWljaGVsQGRh ZW56ZXIubmV0AAoJEFqBr45q27IAeVUAn0x8Zdb0/ubr+VeJQ7VLvqWYOMXrAKCD wvtbp+Zm0nmNbo4AYYZEhr7HeQ== =g7IR -----END PGP SIGNATURE----- --wFne59HMcEDtQTtEajs9NoBdJtlGivIfc--