[Bug 237340] Unable to make HDMI sound works with HD630

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237340

Mark Linimon <***@FreeBSD.org> changed:

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--- Comment #1 from Emrion <***@free.fr> ---
Noone is interested with this issue? Noone is experiencing the same?
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Hans Petter Selasky <***@FreeBSD.org> changed:

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--- Comment #2 from Hans Petter Selasky <***@FreeBSD.org> ---
With my computer HDMI needed to be connected during boot, before it would allow
me to playback audio through HDMI.
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--- Comment #3 from Emrion <***@free.fr> ---
(In reply to Hans Petter Selasky from comment #2)
Thanks for your reply. What do you mean by "during boot"? You have to plug the
hmdi cord after the power on?

I always started the PC while the HDMI is already pluged. As it should be, no?
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--- Comment #4 from Hans Petter Selasky <***@FreeBSD.org> ---
What graphics driver are you using?

--HPS
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--- Comment #5 from Emrion <***@free.fr> ---

(In reply to Hans Petter Selasky from comment #4)
The drm drivers:

-----
$ pkg info | grep drm
drm-fbsd12.0-kmod-4.16.g20190305 DRM modules for the linuxkpi-based KMS
components
drm-kmod-g20181126 Metaport of DRM modules for the linuxkpi-based
KMS components
libdrm-2.4.96,1 Userspace interface to kernel Direct Rendering
Module services
-----

There are some errors in dmesg:

-----
[drm] Unable to create a private tmpfs mount, hugepage support will be
disabled(-19).
Failed to add WC MTRR for [0xe0000000-0xefffffff]: -22; performance may suffer
-----

And sometimes:

-----
hdacc1: Unexpected unsolicited response with tag 63: ffffffff
-----
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--- Comment #6 from Emrion <***@free.fr> ---
By the way, I just realised that the video rendering is somewhat bad (tearing).
I think that the drm-kmod drivers aren't up to date enough to well use the
HD630.
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Steve Wills <***@FreeBSD.org> changed:

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--- Comment #7 from Steve Wills <***@FreeBSD.org> ---
(In reply to Emrion from comment #6)

The tearing may be due to the driver setting, you might want to try:

Option "TearFree" "true"
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--- Comment #8 from Emrion <***@free.fr> ---
(In reply to Steve Wills from comment #7)
I tried that (from X -configure and added in xorg.conf.d folder):
----
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
### <percent>: "<f>%"
### [arg]: arg optional
#Option "SWcursor" # [<bool>]
#Option "kmsdev" # <str>
#Option "ShadowFB" # [<bool>]
#Option "AccelMethod" # <str>
#Option "PageFlip" # [<bool>]
#Option "ZaphodHeads" # <str>
Identifier "Card0"
Driver "modesetting"
BusID "PCI:0:2:0"
Option "TearFree" "true"
EndSection
----
It doesn't work.
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alfredoFALK <***@gmail.com> changed:

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--- Comment #9 from alfredoFALK <***@gmail.com> ---
Hi,
I also have this problem/bug on my ASUS H110T. I run 4 operating systems on
different hdd/sdd on this machine: Manjaro,Win10,macOS and freeBSD as
TridentOS.
All OS have a working HDMI sound connection except freeBSD.
Here are the two outputs from the standard commands requested by other websites
or forums :
--------------------------------------------------------
cat /dev/sndstat:trident-3675% cat /dev/sndstat
Installed devices:
pcm0: <Realtek ALC887 (Analog)> (play/rec)
pcm1: <Realtek ALC887 (Analog)> (play/rec)
pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> (play) default
No devices installed from userspace.
-----------------------------------------------------------------------------
sysctl -a | grep snd.default: hw.snd.default_unit: 2
hw.snd.default_auto: 0
------------------------------------------------------------------------------
mixer
Mixer vol is currently set to 100:100
Mixer pcm is currently set to 100:100
Mixer speaker is currently set to 74:74
Mixer line is currently set to 1:1
Mixer mic is currently set to 67:67
Mixer mix is currently set to 74:74
Mixer rec is currently set to 35:35
Mixer igain is currently set to 0:0
----------------------------------------------------------------------------


To get to this situation I did exactly the devices.hints line mentioned by
@Emrion on this bug report.
Nobody has a solution and it looks to me that the BSD community of developers
has no intention to find a solution! openBSD has definitely stated they are not
developing HDMI and freeBSD seems to feel the same!
Maybe somebody can prove me wrong!
This bug has been dormant since May 2019, so my feeling is nobody is dealing
with it.
Thanks to anybody who can give some help with this issue!
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--- Comment #10 from alfredoFALK <***@gmail.com> ---
Hi, I gather that nobody is following or looking after this bug.
Here is my latest attempt to get it to work:
sysctl hw.snd.default_unit=2
hw.snd.default_unit: 0 -> 2

# sysctl dev.hdaa.1.nid3
dev.hdaa.1.nid3: pin: Digital-out (Fixed)
Widget cap: 0x0040778d PWR DIGITAL UNSOL 8CH
Association: 0 (0x0001)
Pin cap: 0x09000094 PDC OUT HDMI DP HBR
Pin config: 0x98560010 as=1 seq=0 device=Digital-out conn=Fixed
ctype=Digital loc=0x18 color=Unknown misc=0
Pin control: 0x00000040 OUT
Output amp: 0x80000000 mute=1 step=0 size=0 offset=0 (0/0dB)
Connections: 1
+ <- nid=2 [audio output]

# sysctl dev.hdaa.1.nid2
dev.hdaa.1.nid2: audio output
Widget cap: 0x00006611 PWR DIGITAL 8CH
Association: 0 (0x0001)
OSS: pcm (pcm)
Stream cap: 0x00000005 AC3 PCM
PCM cap: 0x001a07f0 16 24 32 bits, 32 44 48 88 96 176 192 KHz


In /boots/devices.hints I added
hint.hdaa.1.nid3.config="conn=Fixed"
hint.hdaa.1.nid2.config="mute=0"
hint.hdaa.1.nid1.config="conn=jack"


No sound through HDMI at all. Useless effort.
I wonder how many users of freebsd actually use a TV with HDMI as monitor. It
seems that nobody cares!!
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Damjan Jovanovic <***@gmail.com> changed:

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--- Comment #11 from Damjan Jovanovic <***@gmail.com> ---
(In reply to alfredoFALK from comment #10)

I have the same problem and I care.
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--- Comment #12 from Damjan Jovanovic <***@gmail.com> ---
On one of my previous motherboard/CPU, sound over HDMI worked with FreeBSD 9.x,
but regressed on a later version (possibly a later 9.x or 10.x). I cannot
remember whether I still have those components, and a regression test is
particularly difficult to perform as that also involved a change from GCC to
Clang.
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Alexey Dokuchaev <***@FreeBSD.org> changed:

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Status|New |Open
CC| |***@FreeBSD.org
URL| |https://forums.freebsd.org/
| |threads/no-sound-via-hdmi.7
| |0391/

--- Comment #13 from Alexey Dokuchaev <***@FreeBSD.org> ---
I'm having the same problem on Lenovo L470 laptop with Intel HD Graphics 620
(Kaby Lake GT2). When plugging HDMI cable, only image appears on the TV, but
no sound, although HDMI sound output device is apparently detected correctly:

% cat /dev/sndstat
Installed devices:
pcm0: <Realtek ALC298 (Analog 2.0+HP/2.0)> (play/rec)
pcm1: <Intel Kaby Lake (HDMI/DP 8ch)> (play) default

% mixer
Mixer vol is currently set to 85:85
Mixer pcm is currently set to 85:85

However, neither setting hw.snd.default_unit=1 nor passing -ao oss:/dev/dsp1 to
mplayer (or corresponding settings for other players) did not help.

Needless to say, sound is correctly routed to the TV under Fedora Linux, on
this very laptop.
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--- Comment #14 from alfredoFALK <***@gmail.com> ---
(In reply to Damjan Jovanovic from comment #11)

Well, it is a long time ago since I posted here. Just installed NomadBSD and
the HDMI audio issue is still very much unsolved.
The few people who have posted here prove that FreeBSD guys are not interested
in getting HDMI audio working.
So, that's it folks: nobody is interested
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Łukasz <***@gmail.com> changed:

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--- Comment #15 from Łukasz <***@gmail.com> ---
I have problem with Radeon 570 (no sound with HDMI) in FREEBSD but in Ubuntu
20.04 everything OK

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ev <***@yandex.ru> changed:

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CC| |***@yandex.ru

--- Comment #16 from ev <***@yandex.ru> ---
# cat /dev/sndstat
Installed devices:
pcm0: <Realtek ALC255 (Front Analog Line-out)> (play)
pcm1: <Intel Kaby Lake (HDMI/DP 8ch)> (play) default
No devices installed from userspace.

FreeBSD 12.2 - no sound :(
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***@aoek.com changed:

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--- Comment #17 from ***@aoek.com ---
Hi,
this is a documentation bug: FreeBSD does not support HDMI audio with Radeon
devices:
/usr/src/sys/dev/drm2/radeon/radeon_drv.c
int radeon_audio = 0;

Sorry.
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--- Comment #18 from ev <***@yandex.ru> ---
Intel KabyLake is not Radeon
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Alexey Dokuchaev <***@FreeBSD.org> changed:

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--- Comment #19 from Alexey Dokuchaev <***@FreeBSD.org> ---
*** Bug 254200 has been marked as a duplicate of this bug. ***
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--- Comment #20 from Steven Friedrich <***@Gmail.com> ---
My bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254200
got closed as a duplicate.
I have an HP Slimline with an Intel i7 processor, using embedded UHD 630
graphics.
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--- Comment #21 from Steven Friedrich <***@Gmail.com> ---
(In reply to Steven Friedrich from comment #20)
BTW, I also boot KDE Neon, Kubuntu 20.10, and Linux Mint Cinnamon, all up to
date and they all support HDMI sound, only FreeBSD doesn't.
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--- Comment #22 from Alexey Dokuchaev <***@FreeBSD.org> ---
(In reply to Steven Friedrich from comment #20)

My bug: bug #254200 got closed as a duplicate.

Support of HDMI sound in currently broken on FreeBSD across lots of Intel's
cards, regardless of desktop vs. mobile, particular model number, etc. As it
is not hardware-specific (at the very least, it applies to a vast range of
popular consumer CPUs and graphic chips), it's better and easier to track all
such reports in one place.
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--- Comment #23 from ev <***@yandex.ru> ---
(In reply to Alexey Dokuchaev from comment #22)

It may be known - are there any prospects for changing the state of this
direction?
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--- Comment #24 from Łukasz <***@gmail.com> ---
(In reply to Łukasz from comment #15)
I install FreeBSD 13.0-RC3 and I have HDMI sound on pcm5 output

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***@acm.org <***@acm.org> changed:

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CC| |***@acm.org

--- Comment #25 from ***@acm.org <***@acm.org> ---
I'm confused. Trying to figure why sound not working. But only system sound and
system info not working. Web audio working. HDMI Nvidia.

FreeBSD-13.1BETA3
Cinnamon

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***@gmail.com changed:

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--- Comment #26 from ***@gmail.com ---
Having this issue on Thinkpad T480 (with HD Graphics 620) on FreeBSD 12.3.

Installed devices:
pcm0: <Realtek ALC257 (Analog 2.0+HP/2.0)> (play/rec) default
pcm1: <Realtek ALC257 (Right Analog Mic)> (rec)
pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> (play)
No devices installed from userspace.

Sound is not sent over HDMI when using pcm2. However, this laptop also has an
USB-C port capable of video output. I purchased USB-C -> HDMI adpater cable and
use that instead (labelled DP-1 in xrandr). Audio goes through without problems
on pcm2 in this setup.

I wonder if there should be more output options (separate devices for HDMI /
USB-C) or if the system would select the actual port depending on what I have
attached, same as with audio jack port (headphones)?

Anyway, would be nice to be able to just use HDMI instead of buying extra
cables.

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Richard Russo <***@ruka.org> changed:

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--- Comment #27 from Richard Russo <***@ruka.org> ---
I put together a bit towards the beginnings of getting this to work better on a
github issue https://github.com/freebsd/drm-kmod/issues/187

That patch would need a lot of polishing to be ready, but on the system I was
working with, sending the codec an intel specific command enabled the audio
outputs to be detected and used.

At least for Haswell/Broadwell, there's cross linked audio and video clocks,
and the patch just has what worked for me in terms of making the audio sound
right; at least for those two cores, audio and video drivers need to
communicate, and I don't know how to accomplish that.

This patch also would need to tailored to only apply on specific cards, not
just generally like I did for expediency.

Finally, at least on my hardware, I was seeing the audio output stop responding
after some amount of idle time --- that would hopefully get debugged at some
point, but it worked enough for me so I stopped.

[b***@freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237340

Mark Linimon <***@FreeBSD.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Component|misc |kern

[b***@freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237340

--- Comment #28 from Emrion <***@free.fr> ---
For information purposes, nowadays, on a 14.2-RELEASE with drm-515-kmod or
drm-61-kmod, there is always no sound in HDMI and cat /dev/sndstat shows the
same.

Side note: I realized that drm-515-kmod is preferable for HD630 because I get
thousands errors with drm-61-kmod when I play a movie (like "drmn0: [drm] ERROR
Fault errors on pipe A: 0x00000080").