Date: Sun, 20 May 2018 18:47:07 +0200 From: Niclas Zeising <zeising+freebsd@daemonic.se> To: sgk@troutmask.apl.washington.edu, Warner Losh <imp@bsdimp.com> Cc: FreeBSD X11 mailing list <freebsd-x11@freebsd.org>, Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: [RFC] Deprecation and removal of the drm2 driver Message-ID: <88843bfb-34de-382c-9409-83f9ad54c8c4@daemonic.se> In-Reply-To: <20180520164011.GA6276@troutmask.apl.washington.edu> References: <3a5edc5c-3caa-830b-4bd9-53ff52feb8a7@freebsd.org> <CAPS9%2BSv6SDWkbrEZruM4g2%2BOfw4ksvbtiMF=Q_towrMtJrgt1w@mail.gmail.com> <20180518193009.GA88432@troutmask.apl.washington.edu> <CANCZdfoMrFCyPteChSWgfYRY-uOyazzR0ZbYvp_OVmXRTe-Hqw@mail.gmail.com> <20180520164011.GA6276@troutmask.apl.washington.edu>
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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 <zeising@freebsd.org> 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
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