Date: Wed, 22 Jun 2022 05:45:33 +0200 From: Stefan Blachmann <sblachmann@gmail.com> To: Emmanuel Vadot <manu@bidouilliste.com> Cc: Ed Maste <emaste@freebsd.org>, Poul-Henning Kamp <phk@phk.freebsd.dk>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Reasons for keeping sc(4) and libvgl ? Message-ID: <CACc-My0q-Ods_O-TDru=tEwjSOaUJZZd=ZTzD46nY1gjGYO_VA@mail.gmail.com> In-Reply-To: <20220622044923.6e2fac81c1e8205872d9de11@bidouilliste.com> References: <20211126160454.3eb827365a02103169ab9adc@bidouilliste.com> <20220621201924.e9b96876c947140ac1f3b7a4@bidouilliste.com> <3d09c86a-9840-f8bf-4725-8098d958a01d@plan-b.pwste.edu.pl> <202206211901.25LJ1uBd067376@critter.freebsd.dk> <CAPyFy2Ca83X042jc5QE-g=eHAfnukHScrTSyaLRi4UxeTBasJQ@mail.gmail.com> <20220622044923.6e2fac81c1e8205872d9de11@bidouilliste.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--0000000000001e06cb05e2012dd5 Content-Type: text/plain; charset="UTF-8" I would kindly ask to stop pushing for removal of sc. At least these long-running vt issues should be solved before removal of sc should be considered at all: 1. Currently vt BREAKS suspend/resume on nvidia and many other video cards, which just work fine with sc 2. vt does not support DPMS 3. plenty other lesser bugs Both things are valid reasons why many people - including me - reject using vt on nvidia cards, because using it would factually downgrade the computers' capabilities and energy efficiency. On Wed, Jun 22, 2022 at 4:50 AM Emmanuel Vadot <manu@bidouilliste.com> wrote: > On Tue, 21 Jun 2022 21:23:42 -0400 > Ed Maste <emaste@freebsd.org> wrote: > > > On Tue, 21 Jun 2022 at 15:02, Poul-Henning Kamp <phk@phk.freebsd.dk> > wrote: > > > > > > But the operative word there is "still", isn't it ? > > > > > > There is nothing which prevents vt(4) from doing the right thing is > there ? > > > > Just a simple matter of programming. We should indeed add dpms support > to vt. > > > > I don't think so. > 1/ It's useless when you boot with uefi which 100% of the machines > produced in the last 5 (10?) years do > 2/ If you really want to save power, use drm with the appropriate > driver. Even without runtime power management just loading the driver > will reduce power consumption on most machines. > > -- > Emmanuel Vadot <manu@bidouilliste.com> <manu@FreeBSD.org> > > --0000000000001e06cb05e2012dd5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>I would kindly ask to stop pushing for removal of sc.= </div><div>At least these long-running vt issues should be solved before re= moval of sc should be considered at all:<br></div><div>1. Currently vt BREA= KS suspend/resume on nvidia and many other video cards, which just work fin= e with sc<br></div><div>2. vt does not support DPMS</div><div>3. plenty oth= er lesser bugs<br></div><div>Both things are valid reasons why many people = - including me - reject using vt on nvidia cards, because using it would fa= ctually downgrade the computers' capabilities and energy efficiency.<br= ></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail= _attr">On Wed, Jun 22, 2022 at 4:50 AM Emmanuel Vadot <<a href=3D"mailto= :manu@bidouilliste.com">manu@bidouilliste.com</a>> wrote:<br></div><bloc= kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:= 1px solid rgb(204,204,204);padding-left:1ex">On Tue, 21 Jun 2022 21:23:42 -= 0400<br> Ed Maste <<a href=3D"mailto:emaste@freebsd.org" target=3D"_blank">emaste= @freebsd.org</a>> wrote:<br> <br> > On Tue, 21 Jun 2022 at 15:02, Poul-Henning Kamp <<a href=3D"mailto:= phk@phk.freebsd.dk" target=3D"_blank">phk@phk.freebsd.dk</a>> wrote:<br> > ><br> > > But the operative word there is "still", isn't it ?= <br> > ><br> > > There is nothing which prevents vt(4) from doing the right thing = is there ?<br> > <br> > Just a simple matter of programming. We should indeed add dpms support= to vt.<br> > <br> <br> =C2=A0I don't think so.<br> =C2=A01/ It's useless when you boot with uefi which 100% of the machine= s<br> produced in the last 5 (10?) years do<br> =C2=A02/ If you really want to save power, use drm with the appropriate<br> driver. Even without runtime power management just loading the driver<br> will reduce power consumption on most machines.<br> <br> -- <br> Emmanuel Vadot <<a href=3D"mailto:manu@bidouilliste.com" target=3D"_blan= k">manu@bidouilliste.com</a>> <manu@FreeBSD.org><br> <br> </blockquote></div> --0000000000001e06cb05e2012dd5--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CACc-My0q-Ods_O-TDru=tEwjSOaUJZZd=ZTzD46nY1gjGYO_VA>