From: Takashi Iwai <tiwai@suse.de>
To: Nikhil Mahale <nmahale@nvidia.com>
Cc: alsa-devel@alsa-project.org, tiwai@suse.com, aplattner@nvidia.com
Subject: Re: [alsa-devel] [PATCH v1 0/5] ALSA: hda - Add DP-MST support for NVIDIA codecs
Date: Thu, 14 Nov 2019 11:38:02 +0100 [thread overview]
Message-ID: <s5hr22an3p1.wl-tiwai@suse.de> (raw)
In-Reply-To: <20191114033704.18171-1-nmahale@nvidia.com>
On Thu, 14 Nov 2019 04:36:59 +0100,
Nikhil Mahale wrote:
>
> Today, DisplayPort multi-stream transport (DP-MST) audio is not
> supported on codec drivers which don't use the audio component
> (acomp) binding.
>
> The commit ade49db337a9 (ALSA: hda/hdmi - Allow audio component for
> AMD/ATI and Nvidia HDMI) added the DRM audio component binding for
> the NVIDIA codec drivers, but the traditional HD-audio unsolicited
> event code path is still in use by the proprietary NVIDIA graphics
> driver.
>
> This patch set adds DP-MST audio support for non-acomp codec drivers
> which use the traditional HD-audio unsolicited event code path. This
> patch set adds DP-MST support for NVIDIA codecs.
>
> The patch set has been tested for HDMI/DP-SST/DP-MST(4 dp-mst audio
> streams) configurations on NVIDIA Kepler and Maxwell GPUs, using
> both the nouveau driver and the proprietary NVIDIA graphics driver.
Thanks for the patch. The logic looks good, but there are a few
concerns in implementation details. Will comment in the reply of each
patch.
The timing is a bit late for merging into 5.5, though, for this kind
of non-trivial changes. It'll be likely applied after 5.5 merge
window, so for 5.6.
Takashi
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next prev parent reply other threads:[~2019-11-14 10:39 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 3:36 [alsa-devel] [PATCH v1 0/5] ALSA: hda - Add DP-MST support for NVIDIA codecs Nikhil Mahale
2019-11-14 3:37 ` [alsa-devel] [PATCH v1 1/5] ALSA: hda - Rename snd_hda_pin_sense to snd_hda_jack_pin_sense Nikhil Mahale
2019-11-14 3:37 ` [alsa-devel] [PATCH v1 2/5] ALSA: hda - Add DP-MST jack support Nikhil Mahale
2019-11-14 10:46 ` Kai Vehmanen
2019-11-15 9:39 ` Nikhil Mahale
2019-11-14 10:54 ` Takashi Iwai
2019-11-15 9:46 ` Nikhil Mahale
2019-11-14 3:37 ` [alsa-devel] [PATCH v1 3/5] ALSA: hda - Add DP-MST conn list support Nikhil Mahale
2019-11-14 10:57 ` Takashi Iwai
2019-11-14 11:47 ` Nikhil Mahale
2019-11-14 13:14 ` Takashi Iwai
2019-11-15 9:52 ` Nikhil Mahale
2019-11-15 10:30 ` Takashi Iwai
2019-11-19 8:43 ` Nikhil Mahale
2019-11-14 3:37 ` [alsa-devel] [PATCH v1 4/5] ALSA: hda - Add DP-MST support for non-acomp codecs Nikhil Mahale
2019-11-14 3:37 ` [alsa-devel] [PATCH v1 5/5] ALSA: hda - Add DP-MST support for NVIDIA codecs Nikhil Mahale
2019-11-14 11:02 ` Takashi Iwai
2019-11-14 11:50 ` Nikhil Mahale
2019-11-14 13:15 ` Takashi Iwai
2019-11-14 10:38 ` Takashi Iwai [this message]
2019-11-15 9:37 ` [alsa-devel] [PATCH v1 0/5] " Nikhil Mahale
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