From: Matthew Garrett <mjg59@srcf.ucam.org>
To: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [Intel-gfx] [PATCH] i915: Register ACPI video even when not modesetting
Date: Fri, 17 Apr 2009 01:44:13 +0100 [thread overview]
Message-ID: <20090417004413.GA869@srcf.ucam.org> (raw)
In-Reply-To: <20090416074411.GA22447@dose.home.local>
On Thu, Apr 16, 2009 at 09:44:11AM +0200, Tino Keitel wrote:
> On Wed, Apr 15, 2009 at 21:46:36 +0100, Matthew Garrett wrote:
> > The ACPI video driver defers registration to the i915 driver if the
> > system supports opregion-mediated backlight control. This registration
> > was only being performed in the KMS case. Ensure it's done even if we
> > don't have modesetting enabled.
>
> Does this provide backlight control even without DRI enabled, or just
> without KMS enabled?
Just without KMS being enabled. If your backlight control doesn't work
without dri, that's because your backlight control requires a
kernel-level component to change the backlight registers in response to
an IRQ (ie, DRI)
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-04-17 0:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-15 20:46 [PATCH] i915: Register ACPI video even when not modesetting Matthew Garrett
2009-04-16 7:44 ` [Intel-gfx] " Tino Keitel
2009-04-17 0:44 ` Matthew Garrett [this message]
2009-04-24 4:43 ` Len Brown
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