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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] igt@kms_chamelium@(hdmi|dp)-hpd-fast - fail - Failed assertion: igt_hotplug_detected(mon, HOTPLUG_TIMEOUT)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111045#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] igt@kms_chamelium@(hdmi|dp)-hpd-fast - fail - Failed assertion: igt_hotplug_detected(mon, HOTPLUG_TIMEOUT)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111045">bug 111045</a>
from <span class="vcard"><a class="email" href="mailto:contact@emersion.fr" title="emersion <contact@emersion.fr>"> <span class="fn">emersion</span></a>
</span></b>
<pre>(In reply to Imre Deak from <a href="show_bug.cgi?id=111045#c6">comment #6</a>)
<span class="quote">> There could be a chamelium config issue wrt. HDMI, since there is no HDMI
> sinks connected (even the USBC->HDMI dongle will show up as DP), but the
> HDMI chamelium subtests are not skipped as they should be. </span >
I think the configuration is fine. I routinely run HDMI tests on my DP port
with lspcon, and configuring .igtrc to map the DUT DP output to the Chamelium
HDMI input works.
<span class="quote">> However probably all the DP kms_chamelium tests will fail expectedly on
> DP-alt outputs. </span >
Can you elaborate? I'm not sure I understand.
<span class="quote">> The exceptions could be kms_chamelium subtests where the
> subtest properly handles hotplug events: enables/disables the output
> according to the connect/disconnect hotplug event it receives. That's not
> the case atm with most of the kms_chamelium subtests.</span >
Why is this needed? If a user plugs a USB-C to HDMI dongle, the DRM client
should see a hotplug event even if the output hasn't been enabled yet, right?
Some tests currently assert HPD on the Chamelium side and expect a hotplug. Is
this supposed not to work with DP-ext?</pre>
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