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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms* - dmesg-warn - *ERROR* Failed to read TMDS config: -6 &| *ERROR* Set TMDS ratio failed &| *ERROR* [CONNECTOR:101:HDMI-A-1] Failed to configure sink scrambling/TMDS bit clock ratio"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105644#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms* - dmesg-warn - *ERROR* Failed to read TMDS config: -6 &| *ERROR* Set TMDS ratio failed &| *ERROR* [CONNECTOR:101:HDMI-A-1] Failed to configure sink scrambling/TMDS bit clock ratio"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105644">bug 105644</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre>From IRC:
<marta_> tsa, drmtip_7 has 549 issues, it is basically the fi-glk-j4005
dmesg-warn:
<marta_>
<marta_> [ 108.873403] [drm:drm_scdc_set_high_tmds_clock_ratio] *ERROR* Failed
to read TMDS config: -6
<marta_> [ 108.900365] [drm:drm_scdc_set_high_tmds_clock_ratio] *ERROR* Failed
to read TMDS config: -6
<marta_> [ 108.900422] [drm:intel_enable_ddi [i915]] *ERROR*
[CONNECTOR:101:HDMI-A-1] Failed to configure sink scrambling/TMDS bit clock
ratio
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* jsaa (~<a href="mailto:jsaa@134.134.139.76">jsaa@134.134.139.76</a>) has joined
<tsa> marta_: ahah :) so hdmi2.0 again?
<tsa> CI back to testing
<mupuf> tsa, marta_ we started looking into that with vsyrjala and imre on
Friday. We tried rebooting the screen
<tsa> oh pooh, that hdmi issue makes the html much larger
-SaslServ- <Unknown user (via SASL):165.176.37.188.rev.vodafone.pt> failed to
login to marta. There have been 19 failed login attempts since your last
successful login.
<marta_> mupuf, tsa, vsyrjala see comments in:
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms* - dmesg-warn - *ERROR* Failed to read TMDS config: -6 &| *ERROR* Set TMDS ratio failed &| *ERROR* [CONNECTOR:101:HDMI-A-1] Failed to configure sink scrambling/TMDS bit clock ratio"
href="show_bug.cgi?id=105644">https://bugs.freedesktop.org/show_bug.cgi?id=105644</a>
<vsyrjala> so far my conclusion is that the display gets confused and stops
responding to scdc
<vsyrjala> maybe try connecting only one source to it and see if it fares any
better
<marta_> tsa, do we have any other option to get real HDMI 2.0 on HDMI 2.0
display?
<marta_> tsa, is that display on KVM? Is KVM HDMI 2.0?
<tsa> marta_: no hdmi2.0 kvm here
<tsa> marta_: we separated GLK to its own monitor (also hdmi 2.0), cnl is alone
now on the old HDMI2.0
<tsa> real monitors both, we don't have HDMI2.0 dongles I think
<tsa> vsyrjala too ^
<marta_> tsa, so then we could swap the HDMI 2.0 monitors and check vsyrjala
theory of broken display
<tsa> yes, as soon as we get some results from this setup</pre>
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