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* the monitors with working Displayport audio
@ 2011-11-09  7:20 Wu Fengguang
  2011-11-09  7:28 ` Wu Fengguang
  2011-11-09  7:28 ` Takashi Iwai
  0 siblings, 2 replies; 3+ messages in thread
From: Wu Fengguang @ 2011-11-09  7:20 UTC (permalink / raw)
  To: Takashi Iwai
  Cc: Lv, Jane, alsa-devel, Barnes, Jesse,
	intel-gfx@lists.freedesktop...

Hi Takashi,

I enumerated all the DELL DisplayPort monitors in our lab and find
only two of them being able to produce audible DisplayPort audio...

- DELL 2408WFP
- DELL 2709W
- DELL 3008WFP
        no CEA extension found

- DELL U2410
        ELD reports OK but cannot hear DP sound

        monitor_present         1
        eld_valid               1
        monitor_name            DELL U2410
        connection_type         DisplayPort
        eld_version             [0x2] CEA-861D or below
        edid_version            [0x3] CEA-861-B, C or D
        manufacture_id          0xac10
        product_id              0xf017
        port_id                 0x0
        support_hdcp            0
        support_ai              0
        audio_sync_delay        0
        speakers                [0x1] FL/FR
        sad_count               1
        sad0_coding_type        [0x1] LPCM
        sad0_channels           2
        sad0_rates              [0xe0] 32000 44100 48000
        sad0_bits               [0xe0000] 16 20 24

- DELL U3011
        ELD and DP sound both OK

        monitor_present         1
        eld_valid               1
        monitor_name            DELL U3011
        connection_type         DisplayPort
        eld_version             [0x2] CEA-861D or below
        edid_version            [0x3] CEA-861-B, C or D
        manufacture_id          0xac10
        product_id              0x4065
        port_id                 0x0
        support_hdcp            0
        support_ai              0
        audio_sync_delay        0
        speakers                [0xf] FL/FR LFE FC RL/RR
        sad_count               1
        sad0_coding_type        [0x1] LPCM
        sad0_channels           6
        sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
        sad0_bits               [0xe0000] 16 20 24

- Eizo FlexScan EV2333W
        ELD and DP sound both OK

        monitor_present         1
        eld_valid               1
        monitor_name            EV2333W
        connection_type         DisplayPort
        eld_version             [0x2] CEA-861D or below
        edid_version            [0x3] CEA-861-B, C or D
        manufacture_id          0xc315
        product_id              0x2068
        port_id                 0x0
        support_hdcp            0
        support_ai              1
        audio_sync_delay        0
        speakers                [0x1] FL/FR
        sad_count               1
        sad0_coding_type        [0x1] LPCM
        sad0_channels           2
        sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
        sad0_bits               [0xe0000] 16 20 24

Thanks,
Fengguang

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: the monitors with working Displayport audio
  2011-11-09  7:20 the monitors with working Displayport audio Wu Fengguang
@ 2011-11-09  7:28 ` Wu Fengguang
  2011-11-09  7:28 ` Takashi Iwai
  1 sibling, 0 replies; 3+ messages in thread
From: Wu Fengguang @ 2011-11-09  7:28 UTC (permalink / raw)
  To: Takashi Iwai
  Cc: alsa-devel, intel-gfx@lists.freedesktop..., Lv, Jane,
	Barnes, Jesse, Christopher White

[-- Attachment #1: Type: text/plain, Size: 3061 bytes --]

Here are the EDID for the DELL monitors, grabbed by command

        cp /sys/class/drm/card0-DP-3/edid .

Thanks,
Fengguang

On Wed, Nov 09, 2011 at 03:20:53PM +0800, Wu Fengguang wrote:
> Hi Takashi,
> 
> I enumerated all the DELL DisplayPort monitors in our lab and find
> only two of them being able to produce audible DisplayPort audio...
> 
> - DELL 2408WFP
> - DELL 2709W
> - DELL 3008WFP
>         no CEA extension found
> 
> - DELL U2410
>         ELD reports OK but cannot hear DP sound
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            DELL U2410
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xac10
>         product_id              0xf017
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              0
>         audio_sync_delay        0
>         speakers                [0x1] FL/FR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           2
>         sad0_rates              [0xe0] 32000 44100 48000
>         sad0_bits               [0xe0000] 16 20 24
> 
> - DELL U3011
>         ELD and DP sound both OK
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            DELL U3011
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xac10
>         product_id              0x4065
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              0
>         audio_sync_delay        0
>         speakers                [0xf] FL/FR LFE FC RL/RR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           6
>         sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
>         sad0_bits               [0xe0000] 16 20 24
> 
> - Eizo FlexScan EV2333W
>         ELD and DP sound both OK
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            EV2333W
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xc315
>         product_id              0x2068
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              1
>         audio_sync_delay        0
>         speakers                [0x1] FL/FR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           2
>         sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
>         sad0_bits               [0xe0000] 16 20 24
> 
> Thanks,
> Fengguang

[-- Attachment #2: edid-dell-3008wfp --]
[-- Type: application/octet-stream, Size: 128 bytes --]

[-- Attachment #3: edid-dell-u2410 --]
[-- Type: application/octet-stream, Size: 256 bytes --]

[-- Attachment #4: edid-dell-u3011 --]
[-- Type: application/octet-stream, Size: 256 bytes --]

[-- Attachment #5: edid-dell-2709w --]
[-- Type: application/octet-stream, Size: 128 bytes --]

[-- Attachment #6: edid-dell-2408wfp --]
[-- Type: application/octet-stream, Size: 128 bytes --]

[-- Attachment #7: Type: text/plain, Size: 159 bytes --]

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: the monitors with working Displayport audio
  2011-11-09  7:20 the monitors with working Displayport audio Wu Fengguang
  2011-11-09  7:28 ` Wu Fengguang
@ 2011-11-09  7:28 ` Takashi Iwai
  1 sibling, 0 replies; 3+ messages in thread
From: Takashi Iwai @ 2011-11-09  7:28 UTC (permalink / raw)
  To: Wu Fengguang
  Cc: Lv, Jane, alsa-devel, Barnes, Jesse,
	intel-gfx@lists.freedesktop..., Zhao, Yingying

At Wed, 9 Nov 2011 15:20:53 +0800,
Wu Fengguang wrote:
> 
> Hi Takashi,
> 
> I enumerated all the DELL DisplayPort monitors in our lab and find
> only two of them being able to produce audible DisplayPort audio...

Thanks for testing!

> - DELL 2408WFP
> - DELL 2709W
> - DELL 3008WFP
>         no CEA extension found

Our monitor here is one of them (or relevant).
I tried force_audio option, and it didn't work either.

> - DELL U2410
>         ELD reports OK but cannot hear DP sound
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            DELL U2410
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xac10
>         product_id              0xf017
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              0
>         audio_sync_delay        0
>         speakers                [0x1] FL/FR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           2
>         sad0_rates              [0xe0] 32000 44100 48000
>         sad0_bits               [0xe0000] 16 20 24
> 
> - DELL U3011
>         ELD and DP sound both OK
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            DELL U3011
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xac10
>         product_id              0x4065
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              0
>         audio_sync_delay        0
>         speakers                [0xf] FL/FR LFE FC RL/RR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           6
>         sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
>         sad0_bits               [0xe0000] 16 20 24
> 
> - Eizo FlexScan EV2333W
>         ELD and DP sound both OK
> 
>         monitor_present         1
>         eld_valid               1
>         monitor_name            EV2333W
>         connection_type         DisplayPort
>         eld_version             [0x2] CEA-861D or below
>         edid_version            [0x3] CEA-861-B, C or D
>         manufacture_id          0xc315
>         product_id              0x2068
>         port_id                 0x0
>         support_hdcp            0
>         support_ai              1
>         audio_sync_delay        0
>         speakers                [0x1] FL/FR
>         sad_count               1
>         sad0_coding_type        [0x1] LPCM
>         sad0_channels           2
>         sad0_rates              [0x1ee0] 32000 44100 48000 96000 176400 192000 384000
>         sad0_bits               [0xe0000] 16 20 24

Do you have idea why they don't work?

BTW, can DP-audio work with these monitors on other OS...?


thanks,

Takashi

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2011-11-09  7:20 the monitors with working Displayport audio Wu Fengguang
2011-11-09  7:28 ` Wu Fengguang
2011-11-09  7:28 ` Takashi Iwai

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