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Date:	Sat, 15 Jun 2013 19:44:05 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Aaron Lu <aaron.lu@...el.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Seth Forshee <seth.forshee@...onical.com>,
	"Lee, Chun-Yi" <joeyli.kernel@...il.com>,
	"intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Zhang Rui <rui.zhang@...el.com>,
	Aaron Lu <aaron.lwe@...il.com>,
	Alex Deucher <alexdeucher@...il.com>
Subject: Re: [PATCH 3/3] i915: Don't provide ACPI backlight interface if
 firmware expects Windows 8

On Sat, Jun 15, 2013 at 08:29:42PM +0200, Daniel Vetter wrote:

> Aside at the end: If the gnome tool indeed has its own backlight code and
> doesn't just use that as a fallback if the xrandr backligh property isn't
> available, then that's just a serious bug in gnome and should be fixed
> asap. But imo that's not something we should try to (nor do I see any way
> how to) work around in the kernel.

It's only used if there's no backlight property on the display.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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