From owner-freebsd-current@freebsd.org Sun May 20 16:47:12 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 58809EE65F8; Sun, 20 May 2018 16:47:12 +0000 (UTC) (envelope-from zeising+freebsd@daemonic.se) Received: from mail.daemonic.se (mail.daemonic.se [176.58.89.161]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 58EAE85C7B; Sun, 20 May 2018 16:47:11 +0000 (UTC) (envelope-from zeising+freebsd@daemonic.se) Received: from cid.daemonic.se (localhost [IPv6:::1]) by mail.daemonic.se (Postfix) with ESMTP id 40pnrF1hgQzDhTS; Sun, 20 May 2018 16:47:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=daemonic.se; h= content-transfer-encoding:content-language:content-type :content-type:in-reply-to:mime-version:user-agent:date:date :message-id:from:from:references:subject:subject:received :received; s=20151023; t=1526834828; bh=VcpQVMXl3nfYtDqLVqrZliFV bq9yCReryi9eRHf0CJ8=; b=VHRdz0i34h2DjXsntoflHuEdWgozD/dEDz4qiKYQ 3HKDiupyur5Y9FS090pjjryZ5jjpg9WIZas3sajZkEm7iRdnK9A5AkpIKBDu+rzu xlXo0QRmvZiS3TjLV1PI/NU13JeEjveczfP3QhB4w8cNsseVKYBXXOgVDhbZ0ws9 hjs= X-Virus-Scanned: amavisd-new at daemonic.se Received: from mail.daemonic.se ([IPv6:::1]) (using TLS with cipher ECDHE-RSA-AES128-GCM-SHA256) by cid.daemonic.se (mailscanner.daemonic.se [IPv6:::1]) (amavisd-new, port 10587) with ESMTPS id v5jKtVtkolw1; Sun, 20 May 2018 16:47:08 +0000 (UTC) Received: from celes.daemonic.se (celes.daemonic.se [IPv6:2001:470:dca9:2::3]) by mail.daemonic.se (Postfix) with ESMTPSA id 40pnrD2CYvzDhBg; Sun, 20 May 2018 16:47:08 +0000 (UTC) Subject: Re: [RFC] Deprecation and removal of the drm2 driver To: sgk@troutmask.apl.washington.edu, Warner Losh Cc: FreeBSD X11 mailing list , Current FreeBSD References: <3a5edc5c-3caa-830b-4bd9-53ff52feb8a7@freebsd.org> <20180518193009.GA88432@troutmask.apl.washington.edu> <20180520164011.GA6276@troutmask.apl.washington.edu> From: Niclas Zeising Message-ID: <88843bfb-34de-382c-9409-83f9ad54c8c4@daemonic.se> Date: Sun, 20 May 2018 18:47:07 +0200 User-Agent: Mutt/1.5.21 MIME-Version: 1.0 In-Reply-To: <20180520164011.GA6276@troutmask.apl.washington.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 May 2018 16:47:12 -0000 On 05/20/18 18:40, Steve Kargl wrote: > On Fri, May 18, 2018 at 02:03:32PM -0600, Warner Losh wrote: >> On Fri, May 18, 2018 at 1:30 PM, Steve Kargl < >> sgk@troutmask.apl.washington.edu> wrote: >> >>> On Fri, May 18, 2018 at 09:14:24PM +0200, Andreas Nilsson wrote: >>>> On Fri, May 18, 2018, 20:00 Niclas Zeising wrote: >>>> >>>>> I propose that we remove the old drm2 driver (sys/dev/drm2) from >>>>> FreeBSD. I suggest the driver is marked as deprecated in 11.x and >>>>> removed from 12.0, as was done for other drivers recently. Some >>>>> background and rationale: >>>>> >>>> >>>> Sounds good ( deprecate resp remove ). It causes more confusion and >>>> problems and it solves nothing. >>>> >>> >>> Check the Makefiles >>> >>> % more /usr/ports/graphics/drm-next-kmod/Makefile >>> >>> ONLY_FOR_ARCHS= amd64 >>> ONLY_FOR_ARCHS_REASON= the new KMS components are only supported on amd64 >>> >>> Not to ia32 friendly. >>> >> >> So do people use i386 for desktop? And need the latest KMS stuff? >> > > Just a data point. I had to replace the dead disk in my laptop, > and after 2 days of doing a re-install and update of -current > on a shiny new SSD. > > Before loading Xorg. > > % kldstat > Id Refs Address Size Name > 1 7 0x800000 1ac31d4 kernel > 2 1 0x1e9ae000 5000 ums.ko > 3 1 0x1e9b9000 4000 uhid.ko > > After starting Xorg without an xorg.conf in /etc/X11. > > Id Refs Address Size Name > 1 27 0x800000 1ac31d4 kernel > 2 1 0x1e9ae000 5000 ums.ko > 3 1 0x1e9b9000 4000 uhid.ko > 4 1 0x1eaa9000 96000 i915kms.ko > 5 1 0x1eb40000 4a000 drm2.ko > 6 4 0x1eb8b000 5000 iicbus.ko > 7 1 0x1ebc9000 3000 iic.ko > 8 1 0x1ebcf000 4000 iicbb.ko > > So, drm2.ko and i915kms.ko are loaded automatically. It is > unclear why functionality that works should be removed. > > xwininfo shows > > Width: 1400 > Height: 1050 > Depth: 24 > Visual: 0x21 > One of the reasons for the deprecation and removal of the drm2 bits is that they prevent us from automatically loading the drm-next/stable-kmod kernel modules, since the two collide. Regards -- Niclas