On Thu, Oct 09, 2008 at 11:24:20PM -0300, Henrique de Moraes Holschuh wrote:
> On Fri, 10 Oct 2008, Paride Legovini wrote:
> > Anyway, this becomes a minor issue after the delay is gone. Do you plan
> > to include Matthew Garrett's into thinkpad-acpi? I'm still available if
> > you need to test something on an affected system. Just ask.
>
> Exactly which patch from Matthew are you talking about?
Attached
--
Yves-Alexis
>From [EMAIL PROTECTED] Wed Aug 6 08:34:54 2008
Return-Path: <[EMAIL PROTECTED]>
Delivered-To: [EMAIL PROTECTED]
Received: from localhost (localhost [127.0.0.1]) by molly.corsac.net
(Postfix) with ESMTP id 914B282D7D for <[EMAIL PROTECTED]>; Wed, 6 Aug
2008 08:34:54 +0200 (CEST)
X-Virus-Scanned: Debian amavisd-new at corsac.net
Received: from molly.corsac.net ([127.0.0.1]) by localhost
(molly.corsac.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id
vTWbo9jTRz1K for <[EMAIL PROTECTED]>; Wed, 6 Aug 2008 08:34:47 +0200 (CEST)
Received: from master.debian.org (master.debian.org [70.103.162.29]) by
molly.corsac.net (Postfix) with ESMTP id A02E682D74 for
<[EMAIL PROTECTED]>; Wed, 6 Aug 2008 08:34:47 +0200 (CEST)
Received: from cavan.codon.org.uk ([93.93.128.6] helo=vavatch.codon.org.uk)
by master.debian.org with esmtp (Exim 4.63) (envelope-from
<[EMAIL PROTECTED]>) id 1KQcbe-0005z2-Jo for
[EMAIL PROTECTED]; Wed, 06 Aug 2008 06:34:46 +0000
Received: from mjg59 by vavatch.codon.org.uk with local (Exim 4.69)
(envelope-from <[EMAIL PROTECTED]>) id 1KQcbZ-0003mT-6r; Wed, 06 Aug 2008
07:34:41 +0100
Date: Wed, 6 Aug 2008 07:34:41 +0100
From: Matthew Garrett <[EMAIL PROTECTED]>
To: Henrique de Moraes Holschuh <[EMAIL PROTECTED]>
Cc: Yves-Alexis Perez <[EMAIL PROTECTED]>, [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: Re: [PATCH] Add Intel ACPI IGD OpRegion support
Message-ID: <[EMAIL PROTECTED]>
References: <[EMAIL PROTECTED]>
<[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
<[EMAIL PROTECTED]>
<[EMAIL PROTECTED]>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <[EMAIL PROTECTED]>
User-Agent: Mutt/1.5.12-2006-07-14
X-SA-Exim-Connect-IP: <locally generated>
X-SA-Exim-Mail-From: [EMAIL PROTECTED]
X-SA-Exim-Scanned: No (on vavatch.codon.org.uk); SAEximRunCond expanded to
false
X-Evolution-Source: imap://[EMAIL PROTECTED]/
Content-Transfer-Encoding: 8bit
On Tue, Aug 05, 2008 at 11:32:48PM -0300, Henrique de Moraes Holschuh wrote:
> On Wed, 06 Aug 2008, Matthew Garrett wrote:
> > The 750ms delay is from thinkpad-acpi. I sent a patch to Henrique which
> > makes it go away, but I'm not entirely sure what the ACPI method
> > concerned is supposed to be doing. The opregion code won't currently run
> > until X is started because the drm layer requires X to be the foreground
> > vt before handling IRQs.
>
> Well, for what is it worth, thinkpad-acpi has a knob (brightness_mode) which
> can be used. Set it to CMOS mode (see docs). From what I recall, it should
> do what your patch does.
It doesn't seem to, no. I should have been clearer - the delay is in the
DSDT (not thinkpad-acpi itself), but there's a Thinkpad-specific ACPI
call that seems to be needed in order to delay it. Here's the patch
again.
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index b596929..bbc45c8 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -899,6 +899,9 @@ static int __init tpacpi_check_std_acpi_brightness_support(void)
if (ACPI_SUCCESS(status) && bcl_levels > 2) {
tp_features.bright_acpimode = 1;
+ /* Set ACPI mode */
+ if (!acpi_evalf(hkey_handle, NULL, "PWMS", "vd", 0))
+ printk(TPACPI_INFO "Failed to claim backlight\n");
return (bcl_levels - 2);
}
--
Matthew Garrett | [EMAIL PROTECTED]
-------------------------------------------------------------------------
This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
Build the coolest Linux based applications with Moblin SDK & win great prizes
Grand prize is a trip for two to an Open Source event anywhere in the world
http://moblin-contest.org/redirect.php?banner_id=100&url=/
_______________________________________________
ibm-acpi-devel mailing list
ibm-acpi-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel