[Bug 33399] New: No HDMI PCM mutichannel audio

[Bug 33399] New: No HDMI PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

           Summary: No HDMI PCM mutichannel audio
           Product: DRI
           Version: XOrg CVS
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: xavier.bestel@free.fr


Hi,

using a HD 2600, audio over HDMI is stereo-only. The only mean to have
multichannel (e.g. 5.1) is to use passthrough, but true multichannel (e.g. 8
channels PCM) isn't supported by the driver, although it should be supported by
the HDMI standard.

Here's the excerpt from alsa-info.sh concerning the card:
Codec: ATI R6xx HDMI
Address: 0
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x1002aa01
Subsystem Id: 0x00aa0100
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
    rates [0x40]: 48000
    bits [0x2]: 16
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital
  Control: name="IEC958 Playback Con Mask", index=0, device=0
  Control: name="IEC958 Playback Pro Mask", index=0, device=0
  Control: name="IEC958 Playback Default", index=0, device=0
  Control: name="IEC958 Playback Switch", index=0, device=0
  Device: name="HDMI 0", type="HDMI", device=3
  Converter: stream=1, channel=0
  Digital: Enabled GenLevel
  Digital category: 0x2
Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital
  Pincap 0x00000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
    Conn = Digital, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x02


Full data is at
http://www.alsa-project.org/db/?f=b3f67a0890f9878b7b3f345578e24eda0aaa59ac

Thanks,
        Xav

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

Jerome Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|No HDMI PCM mutichannel     |[RADEON:KMS:RV630:HDMI:AUDI
                   |audio                       |O] no PCM mutichannel audio

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

--- Comment #1 from Xavier Bestel <xavier.bestel@free.fr> 2011-09-21 08:19:25 PDT ---
Hi,

could I have at least a hint to know if it's to be supported soon, or one day,
or never ?

Thanks,
        Xav

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

--- Comment #2 from Andy Furniss <lists@andyfurniss.entadsl.com> 2011-09-21 09:59:04 PDT ---
(In reply to comment #1)
> Hi,
> 
> could I have at least a hint to know if it's to be supported soon, or one day,
> or never ?
> 
> Thanks,
>         Xav

I am not a dev - but nothing below 4000 series claims to support 7.1 in the
specs on amd.com - so even if the driver gets support a 2600 may not be capable
hardware wise.

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

--- Comment #3 from Xavier Bestel <xavier.bestel@free.fr> 2011-09-22 01:02:14 PDT ---
Even 5.1 (without having to resort to passthrough) would be better than plain
stereo.

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

--- Comment #4 from Rafał Miłecki <zajec5@gmail.com> ---
Hi,
This is a very old report and this issue is likely to be fixed in the recent
kernels. Could you try one, please?
There was support for multiple channels added.

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[Bug 33399] [RADEON:KMS:RV630:HDMI:AUDIO] no PCM mutichannel audio

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https://bugs.freedesktop.org/show_bug.cgi?id=33399

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #5 from Christian König <deathsimple@vodafone.de> ---
Sorry I obviously have missed this bug.

The audio codec of the RV630 mentioned in this bug can only handle two
channels, so the hardware simply doesn't support this.

Later hardware generations do support HDMI multichannel audio.

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