From: Geoffrey McRae <geoff@spacevs.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: [PATCH 1/2] ALSA: hda - Fix probing and stuttering on CMI8888 HD-audio controller
Date: Wed, 29 Oct 2014 23:13:15 +1100 [thread overview]
Message-ID: <20141029231315.77e79b70@sarah.home.spacevs.com> (raw)
In-Reply-To: <s5hy4rzco0y.wl-tiwai@suse.de>
On Wed, 29 Oct 2014 08:50:53 +0100
Takashi Iwai <tiwai@suse.de> wrote:
> At Wed, 29 Oct 2014 07:21:24 +1100,
> Geoffrey McRae wrote:
> >
> > I can confirm that disable of MSI is required as even Windows 7
> > 64bit does not enable this for Intel HDA. Out of curiosity I altered
> > the driver to use MSI-X with the same results, interrupts are never
> > received even though the PCI caps state that MSI is supported.
> >
> > Playback is very poor and stutters if I do not allow snoop by
> > commenting out "case AZX_DRIVER_CMEDIA:" in
> > azx_check_snoop_available.
>
> OK, so we have some conflicting results. Possibly we need non-cached
> pages only for CORB/RIRB but leave the stream buffers? Could you
> check the patch below?
>
The patch works fine, no errors reported, if I however disable snoop it
continues to stutter.
next prev parent reply other threads:[~2014-10-29 12:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-06 12:39 [PATCH 1/2] ALSA: hda - Fix probing and stuttering on CMI8888 HD-audio controller Takashi Iwai
2014-08-06 12:39 ` [PATCH 2/2] ALSA: hda - Fix parsing of CMI8888 codec Takashi Iwai
2014-10-28 20:21 ` [PATCH 1/2] ALSA: hda - Fix probing and stuttering on CMI8888 HD-audio controller Geoffrey McRae
2014-10-29 7:50 ` Takashi Iwai
2014-10-29 12:13 ` Geoffrey McRae [this message]
2014-10-29 13:01 ` Takashi Iwai
2014-10-29 13:20 ` Takashi Iwai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141029231315.77e79b70@sarah.home.spacevs.com \
--to=geoff@spacevs.com \
--cc=alsa-devel@alsa-project.org \
--cc=tiwai@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).