On Tue, 2016-12-06 at 17:07 +0100, Andreas Boll wrote: > > 2016-12-05 17:40 GMT+01:00 Ben Hutchings <ben@decadent.org.uk>: > > On Mon, 2016-12-05 at 16:27 +0100, Alberto Gonzalez Iniesta wrote: > > > On Mon, Dec 05, 2016 at 03:23:24PM +0000, Ben Hutchings wrote: > > > > On Mon, 2016-12-05 at 11:25 +0100, Micha vor dem Berge wrote: > > > > > Hi all, > > > > > > > > > > > > > > > I recently upgraded my xserver-xorg-video-intel package to the newest > > > > > jessie-backports (version 2:2.99.917+git20161105-1~bpo8+1). After a > > > > > reboot, X doesn't start anymore. > > > > > > > > [...] > > > > > > > > The intel driver is obsolete for all but the oldest chips; you should > > > > use xserver-xorg-video-modesetting. > > Yeah, but xserver-xorg-video-modesetting from jessie misses a lot of > features and (glamor) performance optimizations compared to the built-in > modesetting driver from stretch/sid. The modesetting driver was supposed to be backported (in some form) as part of the jessie-and-a-half project. I didn't realise that still hadn't happened. How are Intel GPUs going to be supported in jessie-backports? > > > > Actually that driver's part of xserver-xorg-core now, not its own > > package. > > > > > > (We should make this switch automatic on upgrade.) > > > > > > We do this already. See > https://sources.debian.net/src/xorg-server/2:1.19.0-2/debian/xserver-xorg-core.NEWS/ > and > https://sources.debian.net/src/xorg-server/2:1.19.0-2/debian/patches/06_use-intel-only-on-pre-gen4.diff/ So the intel driver still binds to *some* i915-supported chips, contrary to what I expected. > > > > Ben. > > > > > > > > > > What happens to those that loose functionally[1] on that switch? Is it our > > > fate? > > > > No-one should lose functionality. We would change the X intel driver > > to not bind to devices that are handled by i915 on the kernel side. It > > would still bind to the devices that don't work with the X modesetting > > driver. > > One would lose support for xbacklight. See > https://bugs.freedesktop.org/show_bug.cgi?id=96572 [...] Never heard of it, and GNOME Shell's backlight control works. Would be nice to get it sorted out though. Ben. -- Ben Hutchings I'm always amazed by the number of people who take up solipsism because they heard someone else explain it. - E*Borg on alt.fan.pratchett
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