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Kernel 5.5.2 introduces HDMI audio issues again...
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RayDude
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PostPosted: Sat Feb 08, 2020 4:51 pm    Post subject: Kernel 5.5.2 introduces HDMI audio issues again... Reply with quote

Just a warning. I tried updating to gentoo-sources-5.5.2 and HDMI audio stopped working, just like 5.4.6 if you remember that.

I had to go back to 5.4.13 to get audio back.

If anyone has information about this, I'd appreciate a link.

Thanks.
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Saundersx
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PostPosted: Sat Feb 15, 2020 5:54 am    Post subject: Reply with quote

Just got hit by the same thing, updated the kernel and just got around to using hdmi today. Current kernel 5.5.4 fixed the issue for me. I'm betting this fixed it in 5.5.3

Code:
commit 855d8753bc8b5fcad81ddb253e04577521f07fd3
Author: Nikhil Mahale <nmahale@nvidia.com>
Date:   Tue Feb 4 15:57:46 2020 +0530

    ALSA: hda - Fix DP-MST support for NVIDIA codecs
   
    commit c7e661a1c2ae98a4754db6a85fc686b4a89322ad upstream.
   
    If dyn_pcm_assign is set, different jack objects are being created
    for pcm and pins.
   
    If dyn_pcm_assign is set, generic_hdmi_build_jack() calls into
    add_hdmi_jack_kctl() to create and track separate jack object for
    pcm. Like sync_eld_via_acomp(), hdmi_present_sense_via_verbs() also
    need to report status change of the pcm jack.
   
    Rename pin_idx_to_jack() to pin_idx_to_pcm_jack(). Update
    hdmi_present_sense_via_verbs() to report plug state of pcm jack
    object. Unlike sync_eld_via_acomp(), for !acomp drivers the pcm
    jack's plug state must be consistent with plug state
    of pin's jack.
   
    Fixes: 5398e94fb753 ("ALSA: hda - Add DP-MST support for NVIDIA codecs")
    Reported-and-tested-by: Martin Regner <martin@larkos.de>
    Signed-off-by: Nikhil Mahale <nmahale@nvidia.com>
    Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
    Cc: <stable@vger.kernel.org>
    Link: https://lore.kernel.org/r/20200204102746.1356-1-nmahale@nvidia.com
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


Just for future reference my gpu is
Code:
01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 660 Ti] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GK104 HDMI Audio Controller (rev a1)
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RayDude
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PostPosted: Mon Feb 17, 2020 7:16 am    Post subject: Reply with quote

Thanks. I'll do an update this week and see if everything is cool.
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RayDude
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PostPosted: Sun Feb 23, 2020 5:04 pm    Post subject: Reply with quote

I have confirmed that kernel 5.5.5 has no hdmi audio issues. I'm hoping the pulseaudio crash is also fixed, but I won't know for a few days...
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RayDude
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PostPosted: Sun Mar 08, 2020 4:18 pm    Post subject: Reply with quote

I have confirmed that kernel 5.5.5 fixed my pulseaudio crash issues that have been ongoing for months.

Also, surround sound seems to work now, which is nice.
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