From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: airlied@linux.ie, dri-devel@lists.freedesktop.org,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH 2/3] acpi_video: Intel video is not always i915
Date: Tue, 24 Apr 2012 23:30:22 +0100 [thread overview]
Message-ID: <20120424223022.GA27765@srcf.ucam.org> (raw)
In-Reply-To: <20120424233117.6de0da6f@pyramind.ukuu.org.uk>
On Tue, Apr 24, 2012 at 11:31:17PM +0100, Alan Cox wrote:
> On Tue, 24 Apr 2012 22:02:18 +0100
> Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> > The PowerVR Intels I'd seen had the opregion address in the 0xfc
> > register as well. Is this no longer true on the latest?
>
> PowerVR does - i740 never did.
>
> The PowerVR 0xfc poking also doesn't currently work once the driver takes
> over because it isn't yet implementing the driver end of the weird ACPI
> messaging/event stuff.
>
> Once it does the GMA500 will be able to do an ACPI video register, but we
> will still need the check to get the ifdeffery right for what drivers are
> compiled for the kernel.
Right now you seem to set opregion unconditionally on PVR, which seems
to be equivalent to the 0xfc check that was there before - I can
understand excluding i740, but the PVR check could be left with the gen
hardware one?
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2012-04-24 22:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-24 15:44 [PATCH 1/3] acpi_video: fix leaking PCI references Alan Cox
2012-04-24 15:45 ` [PATCH 2/3] acpi_video: Intel video is not always i915 Alan Cox
2012-04-24 21:02 ` Matthew Garrett
2012-04-24 22:31 ` Alan Cox
2012-04-24 22:30 ` Matthew Garrett [this message]
2012-04-25 10:27 ` Alan Cox
2012-04-25 11:31 ` Matthew Garrett
2012-04-25 12:24 ` Alan Cox
2012-04-25 12:40 ` Matthew Garrett
2012-04-25 12:49 ` Alan Cox
2012-04-25 12:48 ` Matthew Garrett
2012-04-24 15:45 ` [PATCH 3/3] gma500: don't register the ACPI video bus Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2012-04-25 13:33 [PATCH 1/3] acpi_video: fix leaking PCI references Alan Cox
2012-04-25 13:33 ` [PATCH 2/3] acpi_video: Intel video is not always i915 Alan Cox
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