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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: alsa-devel@alsa-project.org,
	Wang Zhenyu <zhenyu.z.wang@intel.com>,
	"intel-gfx@lists.freedesktop..."
	<intel-gfx@lists.freedesktop.org>,
	dri-devel@lists.freedesktop.org, Ben Skeggs <bskeggs@redhat.com>,
	Christopher White <c.white@pulseforce.com>,
	Jeremy Bush <contractfrombelow@gmail.com>,
	"Bossart, Pierre-louis" <pierre-louis.bossart@intel.com>
Subject: Re: [PATCH v2] pass ELD to HDMI/DP audio driver
Date: Fri, 29 Jul 2011 13:07:59 -0700	[thread overview]
Message-ID: <20110729130759.37aca083@jbarnes-desktop> (raw)
In-Reply-To: <20110629131013.GA10900@localhost>

On Wed, 29 Jun 2011 21:10:13 +0800
Wu Fengguang <fengguang.wu@intel.com> wrote:

> Update: according to the spec, limit max a/v latencies to 500ms and
> avoid overflowing the ELD field Aud_Synch_Delay[7:0].
> 
> Thanks to Pierre for pointing this out!
> 
> btw, the drm_edid_to_eld() function reuses some code from Ben Skeggs.
> Ben, please add your Signed-off-by if the patch looks OK to you :)

Looks like this needs to be refreshed against Keith's drm-intel-next
tree (some trivial conflicts).

I tested this on a Sandy Bridge laptop I have but wasn't able to get
audio through my DP->HDMI dongle to my HDMI TV.

Does the HDMI HDA codec need any special parameters to work?

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center

  parent reply	other threads:[~2011-07-29 20:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29  6:20 [PATCH] pass ELD to HDMI/DP audio driver Wu Fengguang
2011-06-29  6:36 ` Wu Fengguang
2011-06-29  7:00 ` Takashi Iwai
2011-06-29 13:10 ` [PATCH v2] " Wu Fengguang
2011-06-29 23:11   ` Ben Skeggs
2011-07-29 20:07   ` Jesse Barnes [this message]
2011-08-01 13:51     ` [PATCH v3] " Wu Fengguang
2011-08-04  2:48       ` Keith Packard
2011-08-04  9:40         ` Wu Fengguang
2011-08-04 18:03           ` Keith Packard
2011-08-05 12:49             ` Wu Fengguang
2011-08-05 15:52               ` Stephen Warren
2011-08-06 20:02               ` Keith Packard

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