From owner-freebsd-x11@freebsd.org Thu Aug 27 17:28:22 2020 Return-Path: Delivered-To: freebsd-x11@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DD4D13B996A for ; Thu, 27 Aug 2020 17:28:22 +0000 (UTC) (envelope-from bsd-lists@bsdforge.com) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4BcqSk51ZWz40ZY for ; Thu, 27 Aug 2020 17:28:22 +0000 (UTC) (envelope-from bsd-lists@bsdforge.com) Received: by mailman.nyi.freebsd.org (Postfix) id AA8973B9969; Thu, 27 Aug 2020 17:28:22 +0000 (UTC) Delivered-To: x11@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id AA51D3B9D10 for ; Thu, 27 Aug 2020 17:28:22 +0000 (UTC) (envelope-from bsd-lists@bsdforge.com) Received: from udns.ultimatedns.net (static-24-113-41-81.wavecable.com [24.113.41.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "ultimatedns.net", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BcqSk1m4Qz40js for ; Thu, 27 Aug 2020 17:28:21 +0000 (UTC) (envelope-from bsd-lists@bsdforge.com) Received: from ultimatedns.net (localhost [IPv6:0:0:0:0:0:0:0:1]) by udns.ultimatedns.net (8.16.1/8.16.1) with ESMTP id 07RHSOxK073370 for ; Thu, 27 Aug 2020 10:28:30 -0700 (PDT) (envelope-from bsd-lists@bsdforge.com) MIME-Version: 1.0 Date: Thu, 27 Aug 2020 10:28:24 -0700 From: Chris To: x11@freebsd.org Subject: Re: deprecation of drm-legacy-kmod In-Reply-To: References: User-Agent: UDNSMS/17.0 Message-ID: X-Sender: bsd-lists@bsdforge.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4BcqSk1m4Qz40js X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [0.00 / 15.00]; ASN(0.00)[asn:11404, ipnet:24.113.0.0/16, country:US]; local_wl_ip(0.00)[24.113.41.81] X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Aug 2020 17:28:22 -0000 On 2020-08-24 15:21, Niclas Zeising wrote: > [ cross posted across several mailing lists, please respect reply-to ] > > Hi! > > It is time to deprecate drm-legacy-kmod, since it is taking too much time to > maintain and are holding off changes in other areas. > > drm-legacy-kmod was created to aid in the transition to the LinuxKPI based > graphics drivers, at a time when the new drivers only supported amd64. > Since > then, the new drivers have been updated to support more architectures and > more > GPUs, and the burden of maintaining drm-legacy-kmod has increased. It > became > apparent with the update of xorg-server to 1.20 that drm-legacy-kmod is too > old to > work with certain aspects of the graphics stack, and it is also holding back > changes in areas of the FreeBSD base system such as VM scaling and > optimization. > The VM locking protocol needs to be changed, and to port those changes to > these > drivers would require extensive reworking of its use of the FreeBSD VM > subsystem. > This means it is time for it to go. > > The driver will remain for a transition period. For FreeBSD 13-CURRENT, > this will > be fairly short, as there are changes to FreeBSD base that breaks the > drivers. > For FreeBSD 12, the driver will remain a bit longer, to ease in transition. > On > FreeBSD 12, there is also the option of using the graphics drivers in base, > although those are supported on a best-effort basis only. If this were pulled today. What are the ramifications? IOW what (A)GPUs would no longer be available for use on FreeBSD? Does one need to join a Linux Graphics list to find out what's currently supported? If so. What version of the Linux kernel? Thanks. --Chris > > Regards