linux-kernel - Re: [Alsa-devel] [RFC: 2.6.19 patch] snd-hda-intel: default MSI to off

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Message-Id: <200610310937.42576.prakash@punnoor.de>
Date:	Tue, 31 Oct 2006 09:37:38 +0100
From:	Prakash Punnoor <prakash@...noor.de>
To:	fatih.asici@...il.com
Cc:	"Takashi Iwai" <tiwai@...e.de>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, mingo@...hat.com, hnguyen@...ibm.com,
	perex@...e.cz, "Stephen Hemminger" <shemminger@...l.org>
Subject: Re: [Alsa-devel] [RFC: 2.6.19 patch] snd-hda-intel: default MSI to off

Am Dienstag 31 Oktober 2006 07:56 schrieb Fatih Asici:
> On 10/23/06, Takashi Iwai <tiwai@...e.de> wrote:
> > At Sun, 22 Oct 2006 22:29:13 +0200,
> >
> > Prakash Punnoor wrote:
> > > Am Mittwoch 18 Oktober 2006 19:21 schrieb Takashi Iwai:
> > > > > Yes, it would be better to check the value and reset chip->msi if
> > > > > not successful.  But it's not a fatal error, so the current code
> > > > > should work.
> > > >
> > > > The below is the revised patch.
> > >
> > > I tried it and it works fine for me now (with the driver not using msi
> > > automatically now).
> >
> > Thanks for checking.  I applied the patch to ALSA tree for the next
> > push round.
>
> It does not solve my problem. I still need to boot with pci=nomsi option.
>
> Prakash: did you use Takashi's patch or Andrian's patch?

I used Takashi's revised patch, but rc3 works w/o patching:

dvanced Linux Sound Architecture Driver Version 1.0.13 (Sun Oct 22 08:56:16 
2006 UTC).
ACPI: PCI Interrupt Link [AAZA] enabled at IRQ 23
ACPI: PCI Interrupt 0000:00:10.1[B] -> Link [AAZA] -> GSI 23 (level, low) -> 
IRQ 23
PCI: Setting latency timer of device 0000:00:10.1 to 64
input: ImPS/2 Generic Wheel Mouse as /class/input/input1
hda_intel: No response from codec, disabling MSI...
ALSA device list:
  #0: HDA NVidia at 0xfe028000 irq 316

And it disables MSI automatically.
-- 
(°=                 =°)
//\ Prakash Punnoor /\\
V_/                 \_V

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