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Date:      Fri, 18 May 2018 12:30:09 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        Andreas Nilsson <andrnils@gmail.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:  <20180518193009.GA88432@troutmask.apl.washington.edu>
In-Reply-To: <CAPS9%2BSv6SDWkbrEZruM4g2%2BOfw4ksvbtiMF=Q_towrMtJrgt1w@mail.gmail.com>
References:  <3a5edc5c-3caa-830b-4bd9-53ff52feb8a7@freebsd.org> <CAPS9%2BSv6SDWkbrEZruM4g2%2BOfw4ksvbtiMF=Q_towrMtJrgt1w@mail.gmail.com>

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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:
> >
> > The drm2 driver was the original port of a KMS driver to FreeBSD.  It
> > was done by Konstantin Belousov to support Intel graphics cards, and
> > later extended by Jean-Sébastien Pédron as well as Konstantin to match
> > what's in Linux 3.8.  This included unstable support from Haswell, but
> > nothing newer than that.
> >
> > For quite some time now we have had the graphics/drm-stable-kmod and
> > graphics/drm-next-kmods which provides support for modern AMD and Intel
> > graphics cards.  These ports, together with the linuxkpi, or lkpi, has
> > made it significantly easier to port and update our graphics drivers.
> > Further, these new drivers cover the same drivers as the old drm2 driver.
> >
> > What does the community think?  Is there anyone still using the drm2
> > driver on 12-CURRENT?  If so, what is preventing you from switching to
> > the port?
> >
> > Thank you
> > Regards
> > --
> > Niclas Zeising
> > FreeBSD x11/graphics team
> > _______________________________________________
> > freebsd-current@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-current
> > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
> >
> 
> 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.

-- 
Steve
20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4
20161221 https://www.youtube.com/watch?v=IbCHE-hONow



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