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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK] no signal - with samsung 4k TV - HDMI UHD Color (ENABLED)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110496">110496</a>
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<th>Summary</th>
<td>[GLK] no signal - with samsung 4k TV - HDMI UHD Color (ENABLED)
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<th>Product</th>
<td>DRI
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<th>Version</th>
<td>DRI git
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>piotr.kasprzak@me.com
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>Created <span class=""><a href="attachment.cgi?id=144072" name="attach_144072" title="NUC with UHD color enabled at 1080p then I switch resolution to 4k">attachment 144072</a> <a href="attachment.cgi?id=144072&action=edit" title="NUC with UHD color enabled at 1080p then I switch resolution to 4k">[details]</a></span>
NUC with UHD color enabled at 1080p then I switch resolution to 4k
Hi
For some reason on Gemini Lake NUC - NUC7CJYH
Latest DRM-tip kernel - latest firmware in Samsung QLED 2018
There is no signal if "HDMI UHD color" is enabled for HDMI where is NUC
connected
Here log where is HDMI UHD Color enabled (no signal on TV)
<a href="http://ix.io/1GSD">http://ix.io/1GSD</a>
Here where HDMI UHD Color is Disable (no problem)
<a href="http://ix.io/1GSG">http://ix.io/1GSG</a>
I Discover its working when is UHD color Enabled and 1080p resolution
but when you switch to 4k signal gone :(
I Attached log where I boot NUC with UHD color enabled at 1080p then I switch
resolution to 4k and signal gone
EDID: <a href="http://ix.io/1GSV">http://ix.io/1GSV</a></pre>
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