From: Adam Jackson <ajax@redhat.com>
To: Ian Pilcher <arequipeno@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: -next trees
Date: Wed, 26 Sep 2012 13:00:36 -0400 [thread overview]
Message-ID: <1348678836.4244.38.camel@atropine> (raw)
In-Reply-To: <5061FC41.7080009@gmail.com>
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On Tue, 2012-09-25 at 13:47 -0500, Ian Pilcher wrote:
> In the meantime, I would like to move the ball forward on this issue.
> As I see it, there 3 issues that have become conflated:
>
> 1. The display (LG L246WP) is confused by *any* InfoFrames.
If this is still the case after applying:
commit adf00b26d18e1b3570451296e03bcb20e4798cdd
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Tue Sep 25 13:23:34 2012 -0300
drm/i915: make sure we write all the DIP data bytes
Then I suspect I'm compelled to agree that we need a quirk to forcibly
disable InfoFrames entirely. I don't like to be difficult about this,
but the HDMI spec is quite clear that sinks _must_ accept InfoFrames
defined in either the CEA or HDMI specs, so if we're seeing that class
of failure I tend to strongly suspect our drivers first.
> 3. drm_detect_monitor_audio is returning true for the LG L246WP, which
> definitely doesn't have any audio capabilities. This may be a bug
> in the display's EDID, or it may be a parsing error.
The display is definitely a filthy liar then:
Audio data block
Linear PCM, max channels 1
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 24 20 16
Hooray for hardware. Not sure what the logic should be for whether to
send HDMI audio or not, I'll re-read the appropriate scrolls.
- ajax
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next prev parent reply other threads:[~2012-09-26 17:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 1:44 -next trees Dave Airlie
2012-09-13 22:10 ` Alex Deucher
2012-09-17 16:25 ` Rob Clark
2012-09-22 9:43 ` Paul Menzel
2012-09-23 4:34 ` Ian Pilcher
2012-09-24 14:34 ` Adam Jackson
2012-09-25 18:47 ` Ian Pilcher
2012-09-26 17:00 ` Adam Jackson [this message]
2012-09-26 21:04 ` Ian Pilcher
2012-09-27 14:42 ` Daniel Vetter
2012-09-28 7:03 ` [PATCH v5 0/3] Enhanced EDID quirk functionality Ian Pilcher
2012-09-28 7:03 ` [PATCH v5 1/3] drm: Add user-defined EDID quirks capability Ian Pilcher
2012-10-09 12:15 ` Jani Nikula
2012-10-09 15:13 ` Ian Pilcher
2012-10-10 6:31 ` Jani Nikula
2012-09-28 7:03 ` [PATCH v5 2/3] drm: Add EDID quirk to disable HDMI InfoFrames Ian Pilcher
2012-09-28 7:03 ` [PATCH v5 3/3] drm: Add EDID quirk for LG L246WP Ian Pilcher
2012-10-08 23:22 ` [PATCH v5 0/3] Enhanced EDID quirk functionality Ian Pilcher
2012-10-09 15:18 ` Adam Jackson
2016-09-28 3:31 -next trees Dave Airlie
2016-09-28 21:07 ` Alex Deucher
2016-09-29 9:47 ` Daniel Vetter
2016-09-29 16:23 ` Thierry Reding
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