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Date:      Sun, 20 May 2018 09:40:11 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Andreas Nilsson <andrnils@gmail.com>, 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:  <20180520164011.GA6276@troutmask.apl.washington.edu>
In-Reply-To: <CANCZdfoMrFCyPteChSWgfYRY-uOyazzR0ZbYvp_OVmXRTe-Hqw@mail.gmail.com>
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>

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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

-- 
Steve



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