From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "xorg-devel-go0+a7rfsptAfugRpC6u6w@public.gmane.org"
<xorg-devel-go0+a7rfsptAfugRpC6u6w@public.gmane.org>,
Linux Fbdev development list
<linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Dave Airlie <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
dri-devel
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Subject: Re: Fixing the kernels backlight API
Date: Thu, 13 Feb 2014 20:12:37 +0000 [thread overview]
Message-ID: <20140213201237.GA19355@srcf.ucam.org> (raw)
In-Reply-To: <52FD204E.40507-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Thu, Feb 13, 2014 at 08:43:10PM +0100, Hans de Goede wrote:
> I can understand where Dave is coming from, from a kernel pov, so this
> might really be easier to just solve in userspace. I don't know if you've
> seen my very rough sketch of how this could work in userspace in my other
> mail. The idea would be to still make this show up on a specific connector,
> but only at the xrandr level, not at the drm level, and have the xserver
> talk to some kind of backlightd for this. The backlightd API should of cource
> be generic enough that it can be used in wayland too.
Sure. You should probably take a look at libbacklight, which already has
some amount of support for appropriate heuristics.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2014-02-13 20:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 15:12 Fixing the kernels backlight API Hans de Goede
[not found] ` <52FB8F45.9060006-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-02-12 20:14 ` Dave Airlie
[not found] ` <CAPM=9tyYLuoTtW69-cPx-JSuar++D5WEtYRZr_-aP7uowZpVyA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-12 20:43 ` Ville Syrjälä
2014-02-12 22:26 ` David Herrmann
[not found] ` <CANq1E4R=UVo5YVPUrdRFeobAE-qU6e-+GHZ2VJwwaa8zEO6g3Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-13 6:37 ` Alexander E. Patrakov
[not found] ` <52FC683F.10905-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-13 13:57 ` Hans de Goede
2014-02-13 13:49 ` Hans de Goede
2014-02-13 13:41 ` Hans de Goede
2014-02-13 17:19 ` Matthew Garrett
[not found] ` <20140213171932.GB4420-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2014-02-13 19:43 ` Hans de Goede
[not found] ` <52FD204E.40507-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-02-13 20:12 ` Matthew Garrett [this message]
[not found] ` <20140213201237.GA19355-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2014-02-14 8:45 ` Hans de Goede
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