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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c fails suspend autoresume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94566#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c fails suspend autoresume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94566">bug 94566</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to Takashi Iwai from <a href="show_bug.cgi?id=94566#c17">comment #17</a>)
<span class="quote">> And, one more problem is that we gather up the all codecs as a single card.
> Blocking a probe of one codec means to block the probe of the whole card.
> So we can't take unlimited block behavior.</span >
Can you still separate interface registration from HW access? I assume the
latter could be delay until the user first opens the device node, so you could
do the blocking there and register the corresponding interface earlier.
<span class="quote">> (And the unlimited block is anyway bad especially when the configuration is
> dynamic; you can disable KMS easily via nomodeset, while the HD-audio driver
> will still try to probe HDMI codec because it doesn't know that the graphics
> side is disabled. Then it'll stall.)</span >
Can the above help?</pre>
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