<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVC1] HDMI audio device only visible after rescan"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75985#c118">Comment # 118</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVC1] HDMI audio device only visible after rescan"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75985">bug 75985</a>
from <span class="vcard"><a class="email" href="mailto:prymoo@gmail.com" title="Przemysław Kopa <prymoo@gmail.com>"> <span class="fn">Przemysław Kopa</span></a>
</span></b>
<pre>(In reply to Lukas Wunner from <a href="show_bug.cgi?id=75985#c116">comment #116</a>)
<span class="quote">> @Przemysław Kopa:
>
> The fix was applied by Takashi Iwai on Thursday Oct 17 with commit
> 94989e318b2f, it was merged to Linus' tree on Friday Oct 18 and will thus be
> part of v5.4-rc4 due out later today. It should appear in v5.3-stable within
> 1 or 2 weeks. You may want to double-check that the issue is gone with this
> fix.</span >
Thanks, I can happily confirm that the issue is fixed in v5.4-rc4. :)
<span class="quote">> There's one problem remaining, you shouldn't have to manually echo "auto" to
> the HDA's control file because we call pm_runtime_allow() on the HDA device
> in drivers/pci/quirks.c:quirk_gpu_hda() -> pci_create_device_link().
> Something must be calling pm_runtime_forbid() afterwards, perhaps this is
> triggered from user space on Arch Linux. I'm attaching a little debug patch
> which logs a stacktrace to dmesg whenever pm_runtime_allow() / _forbid() is
> called for a device. Feel free to attach dmesg output with this patch
> applied and I'll be happy to take a look at it.</span >
I'm attaching dmesg dump - last stack trace is generated after me echoing
"auto" to HDA control file.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>