Re: [gentoo-user] Audio through second HDMI output on GPU? - gentoo-user

From:	Arve Barsnes <arve.barsnes@×××××.com>
To:	Gentoo <gentoo-user@l.g.o>
Subject:	Re: [gentoo-user] Audio through second HDMI output on GPU?
Date:	Sun, 23 May 2021 18:26:38
Message-Id:	`CAJjrzcX9OQsFgCf-cBnfwPRyWwHdNrr6uR-XmXZknq4DmQDncg@mail.gmail.com`
In Reply to:	Re: [gentoo-user] Audio through second HDMI output on GPU? by Mark Knecht

1

On Sun, 23 May 2021 at 19:42, Mark Knecht <markknecht@×××××.com> wrote:

2

> 1) instead of aplay -l please run aplay -L

3

4

My aplay -L was more or less identical to Dale's on the HDMI part,

5

except for going all the way to DEV 6.

6

7

> 2) Also provide the output of

8

>

9

> cat /proc/asound/card2/codec#0

10

11

This was also more or less the same, probably simple because of the

12

different models of GPU. In case any of the smaller differences are

13

interesting to you, here's that output.

14

15

# cat /proc/asound/card1/codec#0

16

Codec: Nvidia GPU 83 HDMI/DP

17

Address: 0

18

AFG Function Id: 0x1 (unsol 0)

19

Vendor Id: 0x10de0083

20

Subsystem Id: 0x104385aa

21

Revision Id: 0x100100

22

No Modem Function Group found

23

Default PCM:

24

    rates [0x0]:

25

    bits [0x0]:

26

    formats [0x0]:

27

Default Amp-In caps: N/A

28

Default Amp-Out caps: N/A

29

State of AFG node 0x01:

30

  Power states:  D0 D1 D2 D3 CLKSTOP EPSS

31

  Power: setting=D0, actual=D0

32

GPIO: io=0, o=0, i=0, unsolicited=0, wake=0

33

Node 0x04 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

34

  Pincap 0x09000094: OUT Detect HBR HDMI DP

35

  Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI

36

    Conn = Digital, Color = Unknown

37

    DefAssociation = 0xf, Sequence = 0x0

38

  Pin-ctls: 0x00:

39

  Unsolicited: tag=01, enabled=1

40

  Devices: 4

41

    *Dev 00: PD = 1, ELDV = 1, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

42

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

43

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

44

     Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

45

  Connection: 4

46

     0x0a* 0x0b 0x0c 0x0d

47

Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

48

  Pincap 0x09000094: OUT Detect HBR HDMI DP

49

  Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI

50

    Conn = Digital, Color = Unknown

51

    DefAssociation = 0xf, Sequence = 0x0

52

  Pin-ctls: 0x00:

53

  Unsolicited: tag=05, enabled=1

54

  Devices: 4

55

    *Dev 00: PD = 1, ELDV = 1, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

56

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

57

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

58

     Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

59

  Connection: 4

60

     0x0a* 0x0b 0x0c 0x0d

61

Node 0x06 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

62

  Pincap 0x09000094: OUT Detect HBR HDMI DP

63

  Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI

64

    Conn = Digital, Color = Unknown

65

    DefAssociation = 0xf, Sequence = 0x0

66

  Pin-ctls: 0x00:

67

  Unsolicited: tag=09, enabled=1

68

  Devices: 4

69

     Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

70

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

71

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

72

    *Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

73

  Connection: 4

74

     0x0a* 0x0b 0x0c 0x0d

75

Node 0x07 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

76

  Pincap 0x09000094: OUT Detect HBR HDMI DP

77

  Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI

78

    Conn = Digital, Color = Unknown

79

    DefAssociation = 0xf, Sequence = 0x0

80

  Pin-ctls: 0x00:

81

  Unsolicited: tag=0d, enabled=1

82

  Devices: 4

83

     Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

84

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

85

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

86

    *Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

87

  Connection: 4

88

     0x0a* 0x0b 0x0c 0x0d

89

Node 0x08 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

90

  Pincap 0x09000094: OUT Detect HBR HDMI DP

91

  Pin Default 0x585600f0: [N/A] Digital Out at Int HDMI

92

    Conn = Digital, Color = Unknown

93

    DefAssociation = 0xf, Sequence = 0x0

94

  Pin-ctls: 0x00:

95

  Unsolicited: tag=00, enabled=0

96

  Devices: 4

97

    *Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

98

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

99

0x8884 0xffff ]

100

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

101

0x8884 0xffff ]

102

     Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

103

0x8884 0xffff ]

104

  Connection: 4

105

     0x0a* 0x0b 0x0c 0x0d

106

Node 0x09 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP

107

  Pincap 0x09000094: OUT Detect HBR HDMI DP

108

  Pin Default 0x585600f0: [N/A] Digital Out at Int HDMI

109

    Conn = Digital, Color = Unknown

110

    DefAssociation = 0xf, Sequence = 0x0

111

  Pin-ctls: 0x00:

112

  Unsolicited: tag=00, enabled=0

113

  Devices: 4

114

    *Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]

115

     Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

116

0x8884 0xffff ]

117

     Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

118

0x8884 0xffff ]

119

     Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758

120

0x8884 0xffff ]

121

  Connection: 4

122

     0x0a* 0x0b 0x0c 0x0d

123

Node 0x0a [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe

124

  Converter: stream=5, channel=0

125

  Digital: Enabled

126

  Digital category: 0x0

127

  IEC Coding Type: 0x0

128

  PCM:

129

    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000

130

    bits [0xe]: 16 20 24

131

    formats [0x5]: PCM AC3

132

  Unsolicited: tag=00, enabled=0

133

Node 0x0b [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe

134

  Converter: stream=0, channel=0

135

  Digital:

136

  Digital category: 0x0

137

  IEC Coding Type: 0x0

138

  PCM:

139

    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000

140

    bits [0xe]: 16 20 24

141

    formats [0x5]: PCM AC3

142

  Unsolicited: tag=00, enabled=0

143

Node 0x0c [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe

144

  Converter: stream=0, channel=0

145

  Digital:

146

  Digital category: 0x0

147

  IEC Coding Type: 0x0

148

  PCM:

149

    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000

150

    bits [0xe]: 16 20 24

151

    formats [0x5]: PCM AC3

152

  Unsolicited: tag=00, enabled=0

153

Node 0x0d [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe

154

  Converter: stream=0, channel=0

155

  Digital:

156

  Digital category: 0x0

157

  IEC Coding Type: 0x0

158

  PCM:

159

    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000

160

    bits [0xe]: 16 20 24

161

    formats [0x5]: PCM AC3

162

  Unsolicited: tag=00, enabled=0

163

164

Cheers,

165

Arve

1	On Sun, 23 May 2021 at 19:42, Mark Knecht <markknecht@×××××.com> wrote:
2	> 1) instead of aplay -l please run aplay -L
3
4	My aplay -L was more or less identical to Dale's on the HDMI part,
5	except for going all the way to DEV 6.
6
7	> 2) Also provide the output of
8	>
9	> cat /proc/asound/card2/codec#0
10
11	This was also more or less the same, probably simple because of the
12	different models of GPU. In case any of the smaller differences are
13	interesting to you, here's that output.
14
15	# cat /proc/asound/card1/codec#0
16	Codec: Nvidia GPU 83 HDMI/DP
17	Address: 0
18	AFG Function Id: 0x1 (unsol 0)
19	Vendor Id: 0x10de0083
20	Subsystem Id: 0x104385aa
21	Revision Id: 0x100100
22	No Modem Function Group found
23	Default PCM:
24	rates [0x0]:
25	bits [0x0]:
26	formats [0x0]:
27	Default Amp-In caps: N/A
28	Default Amp-Out caps: N/A
29	State of AFG node 0x01:
30	Power states: D0 D1 D2 D3 CLKSTOP EPSS
31	Power: setting=D0, actual=D0
32	GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
33	Node 0x04 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
34	Pincap 0x09000094: OUT Detect HBR HDMI DP
35	Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
36	Conn = Digital, Color = Unknown
37	DefAssociation = 0xf, Sequence = 0x0
38	Pin-ctls: 0x00:
39	Unsolicited: tag=01, enabled=1
40	Devices: 4
41	Dev 00: PD = 1, ELDV = 1, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
42	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
43	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
44	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
45	Connection: 4
46	0x0a* 0x0b 0x0c 0x0d
47	Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
48	Pincap 0x09000094: OUT Detect HBR HDMI DP
49	Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
50	Conn = Digital, Color = Unknown
51	DefAssociation = 0xf, Sequence = 0x0
52	Pin-ctls: 0x00:
53	Unsolicited: tag=05, enabled=1
54	Devices: 4
55	Dev 00: PD = 1, ELDV = 1, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
56	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
57	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
58	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
59	Connection: 4
60	0x0a* 0x0b 0x0c 0x0d
61	Node 0x06 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
62	Pincap 0x09000094: OUT Detect HBR HDMI DP
63	Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
64	Conn = Digital, Color = Unknown
65	DefAssociation = 0xf, Sequence = 0x0
66	Pin-ctls: 0x00:
67	Unsolicited: tag=09, enabled=1
68	Devices: 4
69	Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
70	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
71	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
72	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
73	Connection: 4
74	0x0a* 0x0b 0x0c 0x0d
75	Node 0x07 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
76	Pincap 0x09000094: OUT Detect HBR HDMI DP
77	Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
78	Conn = Digital, Color = Unknown
79	DefAssociation = 0xf, Sequence = 0x0
80	Pin-ctls: 0x00:
81	Unsolicited: tag=0d, enabled=1
82	Devices: 4
83	Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
84	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
85	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a* 0x0b 0x0c 0x0d ]
86	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
87	Connection: 4
88	0x0a* 0x0b 0x0c 0x0d
89	Node 0x08 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
90	Pincap 0x09000094: OUT Detect HBR HDMI DP
91	Pin Default 0x585600f0: [N/A] Digital Out at Int HDMI
92	Conn = Digital, Color = Unknown
93	DefAssociation = 0xf, Sequence = 0x0
94	Pin-ctls: 0x00:
95	Unsolicited: tag=00, enabled=0
96	Devices: 4
97	Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
98	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
99	0x8884 0xffff ]
100	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
101	0x8884 0xffff ]
102	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
103	0x8884 0xffff ]
104	Connection: 4
105	0x0a* 0x0b 0x0c 0x0d
106	Node 0x09 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
107	Pincap 0x09000094: OUT Detect HBR HDMI DP
108	Pin Default 0x585600f0: [N/A] Digital Out at Int HDMI
109	Conn = Digital, Color = Unknown
110	DefAssociation = 0xf, Sequence = 0x0
111	Pin-ctls: 0x00:
112	Unsolicited: tag=00, enabled=0
113	Devices: 4
114	Dev 00: PD = 0, ELDV = 0, IA = 0, Connections [ 0x0a 0x0b 0x0c 0x0d ]
115	Dev 01: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
116	0x8884 0xffff ]
117	Dev 02: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
118	0x8884 0xffff ]
119	Dev 03: PD = 0, ELDV = 0, IA = 0, Connections [ 0x00* 0xb758
120	0x8884 0xffff ]
121	Connection: 4
122	0x0a* 0x0b 0x0c 0x0d
123	Node 0x0a [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
124	Converter: stream=5, channel=0
125	Digital: Enabled
126	Digital category: 0x0
127	IEC Coding Type: 0x0
128	PCM:
129	rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
130	bits [0xe]: 16 20 24
131	formats [0x5]: PCM AC3
132	Unsolicited: tag=00, enabled=0
133	Node 0x0b [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
134	Converter: stream=0, channel=0
135	Digital:
136	Digital category: 0x0
137	IEC Coding Type: 0x0
138	PCM:
139	rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
140	bits [0xe]: 16 20 24
141	formats [0x5]: PCM AC3
142	Unsolicited: tag=00, enabled=0
143	Node 0x0c [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
144	Converter: stream=0, channel=0
145	Digital:
146	Digital category: 0x0
147	IEC Coding Type: 0x0
148	PCM:
149	rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
150	bits [0xe]: 16 20 24
151	formats [0x5]: PCM AC3
152	Unsolicited: tag=00, enabled=0
153	Node 0x0d [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
154	Converter: stream=0, channel=0
155	Digital:
156	Digital category: 0x0
157	IEC Coding Type: 0x0
158	PCM:
159	rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
160	bits [0xe]: 16 20 24
161	formats [0x5]: PCM AC3
162	Unsolicited: tag=00, enabled=0
163
164	Cheers,
165	Arve

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