port-amd64/51072: Radeon HDMI audio doesn't initialize

[mlh%goathill.org@localhost]

	Note: There was a bad value `' for the field `Class'.
	It was set to the default value of `sw-bug'.

>Number:         51072
>Category:       port-amd64
>Synopsis:       Radeon HDMI audio doesn't initialize
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Apr 18 03:15:00 +0000 2016
>Originator:     MLH
>Release:        NetBSD 7.99.27 (GENERIC) #0: Sun Apr 17 19:04:53 EDT 2016
>Organization:
	
>Environment:
System: NetBSD 7.99.27 NetBSD 7.99.27 (GENERIC) #0: Sun Apr 17 19:04:53 EDT 2016 /opt/src/sys/arch/amd64/compile/GENERIC
amd64
Architecture: x86_64

NetBSD 7.99.27 (GENERIC) #0: Sun Apr 17 19:04:53 EDT 2016
        mlh@tiamat:/opt/src/sys/arch/amd64/compile/GENERIC
total memory = 4079 MB
avail memory = 3940 MB
timecounter: Timecounters tick every 10.000 msec
Kernelized RAIDframe activated
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
Gigabyte Technology Co., Ltd. H61M-S2-B3 ( )
mainbus0 (root)
ACPI: RSDP 0x00000000000F6EA0 000014 (v00 GBT   )
ACPI: RSDT 0x00000000DF7D3040 00004C (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
ACPI: FACP 0x00000000DF7D3100 000074 (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
ACPI: DSDT 0x00000000DF7D31C0 0049F2 (v01 GBT    GBTUACPI 00001000 MSFT 04000000)
ACPI: FACS 0x00000000DF7D0000 000040
ACPI: MSDM 0x00000000DF7D7D00 000055 (v03 GBT    GBTUACPI 42302E31 GBTU 01010101)
ACPI: HPET 0x00000000DF7D7DC0 000038 (v01 GBT    GBTUACPI 42302E31 GBTU 00000098)
ACPI: MCFG 0x00000000DF7D7E40 00003C (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
ACPI: ASPT 0x00000000DF7D7F00 000034 (v07 GBT    PerfTune 312E3042 UTBG 01010101)
ACPI: SSPT 0x00000000DF7D7F40 002270 (v01 GBT    SsptHead 312E3042 UTBG 01010101)
ACPI: EUDS 0x00000000DF7DA1B0 0000C0 (v01 GBT             00000000      00000000)
ACPI: TAMG 0x00000000DF7DA270 000382 (v01 GBT    GBT   B0 5455312E BG?? 45240101)
ACPI: APIC 0x00000000DF7D7C00 0000BC (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
ACPI: SSDT 0x00000000DF7DA600 001EC8 (v01 INTEL  PPM RCM  80000001 INTL 20061109)
ACPI: 2 ACPI AML tables successfully acquired and loaded
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 0x20, 24 pins
cpu0 at mainbus0 apid 0
...
ACPI: Enabled 1 GPEs in block 00 to 3F
attimer1: attached to pcppi1
...
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 8086 product 0100 (rev. 0x09)
ppb0 at pci0 dev 1 function 0: vendor 8086 product 0101 (rev. 0x09)
ppb0: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x16 @ 5.0GT/s
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled, rd/line, wr/inv ok
...
radeon0 at pci1 dev 0 function 0: vendor 1002 product 6779 (rev. 0x00)
hdaudio0 at pci1 dev 0 function 1: HD Audio Controller
hdaudio0: interrupting at ioapic0 pin 17
hdafg0 at hdaudio0: vendor 1002 product aa01
hdafg0: HDMI00 2ch: Digital Out [Jack]
hdafg0: 2ch/0ch 32000Hz 44100Hz 48000Hz PCM16 AC3
...
vendor 8086 product 1c3a (miscellaneous communications, revision 0x04) at pci0 dev 22 function 0 not configured
ehci0 at pci0 dev 26 function 0: vendor 8086 product 1c2d (rev. 0x05)
ehci0: interrupting at ioapic0 pin 18
ehci0: BIOS has given up ownership
ehci0: EHCI version 1.0
usb0 at ehci0: USB revision 2.0
hdaudio1 at pci0 dev 27 function 0: HD Audio Controller
hdaudio1: interrupting at ioapic0 pin 22
hdafg1 at hdaudio1: vendor 1106 product 0397
hdafg1: DAC00 2ch: Speaker [Jack], HP Out [Jack]
hdafg1: ADC01 2ch: Line In [Jack], Mic In [Jack]
hdafg1: 2ch/2ch 48000Hz PCM16*
audio0 at hdafg1: full duplex, playback, capture, mmap, independent
...
ppb2: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s
ppb2: link is x1 @ 2.5GT/s
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
alc0 at pci3 dev 0 function 0: Atheros AR8151 v2.0 PCIe Gigabit Ethernet
...
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex, playback, capture
...
drm: initializing kernel modesetting (CAICOS 0x1002:0x6779 0x1682:0x3200).
drm: register mmio base: 0xfbec0000
drm: register mmio size: 131072
drm kern info: ATOM BIOS: C28506
radeon0: info: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
radeon0: info: GTT: 1024M 0x0000000080000000 - 0x00000000BFFFFFFF
drm: Detected VRAM RAM=800M, BAR=256M
drm: RAM width 64bits DDR
...
hdafg0: unsol: tag=1
hdafg0: unsol: display device hotplug
hdafg0: bad ELD size (0/256)
hdafg_dd_parse_info: datalen=256
 ack!
hdafg0: failed to parse ELD data

>Description:

audio for hdafg0 (Radeon HDMI) fails to configure

>How-To-Repeat:

$ audiocfg list
0: [*] audio0 @ hdafg1: VIA TeCHnolog VT1708S, 2 playback channels
1: [ ] audio1 @ pad0: Virtual Audio 7.99.27, 2 playback channels

>Fix: