Re: [RFC] Deprecation and removal of the drm2 driver

On Fri, May 18, 2018 at 9:03 PM, Warner Losh <imp_at_bsdimp.com> wrote:

> On Fri, May 18, 2018 at 1:30 PM, Steve Kargl <
> sgk_at_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_at_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_at_freebsd.org mailing list
> > > > https://lists.freebsd.org/mailman/listinfo/freebsd-current
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> > 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.
> >
>
> So do people use i386 for desktop? And need the latest KMS stuff?
>

Yeah I was wondering the same.. If you're running i386, do you need drm
drivers? Will scfb work an i386? (probably has legacy bios and if I
remember correctly, scfb is UEFI only)
I do feel sorry for anyone who would have to revert back to VESA...

Would it be too much trouble to move it to a port?



>
> Warner
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