Date: Sun, 20 May 2018 07:36:25 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Jan Beich <jbeich@FreeBSD.org> Cc: Slawa Olhovchenkov <slw@zxy.spb.ru>, freebsd-x11@freebsd.org, freebsd-current@freebsd.org Subject: Re: [RFC] Deprecation and removal of the drm2 driver Message-ID: <201805201436.w4KEaPmq003852@slippy.cwsent.com> In-Reply-To: Message from Jan Beich <jbeich@FreeBSD.org> of "Sat, 19 May 2018 20:38:20 %2B0200." <a7sv-ebj7-wny@FreeBSD.org>
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In message <a7sv-ebj7-wny@FreeBSD.org>, Jan Beich writes: > Slawa Olhovchenkov <slw@zxy.spb.ru> writes: > > > On Fri, May 18, 2018 at 07:58:10PM +0200, Niclas Zeising wrote: > > > >> [ Cross posted to freebsd-current@ and freebsd-x11@. Please respect > >> reply-to and send all replies to freebsd-x11@. Thanks! ] > >> > >> > >> Hi! > >> 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 > > > > What about old graphics card? I am have notebook w/ i945 chipset, is > > this supported by graphics/drm-*? > > > > And what about nvidia? > > (sorry, I am not developer this drivers, I am just user, I am don't > > know what need for nvidia work etc) > > NVIDIA dropped 32bit driver since 396.* series. None of x11/nvidia-driver* > currently depend on either drm.ko or drm2.ko. However, Linux driver > appears to depend on DRM/KMS since 364.12. I think that if we want to still keep i386 viable, maybe some effort needs to be put into 915resolution to help VESA look somewhat reasonable. IIRC, as it's been a long time since I've looked at this, a person will need a custom xorg.conf. However IIRC that model breaks if person switches between a laptop monitor and an external monitor. The problem is fixable however I didn't have a open evening to look at it when I did. The 915resolution option isn't exactly available to those unwilling or unable to tinker a little. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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