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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL] Can we support YCbCr 420 output in HDMI 2.0 port?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97774">97774</a>
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<th>Summary</th>
<td>[APL] Can we support YCbCr 420 output in HDMI 2.0 port?
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>mypopydev@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<div>
<pre>Hi,
CPU: Skylake Core I series, (i3-6100)
SW Environment: (from 01.org, 2016Q2)
Based on Ubuntu 16.04, and change the Kernel and libraries:
Linux kernel: 4.6
Mesa - 11.2.2
xf86-video-intel - 2.99.917
Libdrm - 2.4.68
Libva - 1.7.1
vaapi intel-driver - 1.7.1
Cairo - 1.15.2
Xorg Xserver - 1.18.3
If we connect the HDMI 2.0 port between our produce and most monitors (support
4K@60), the monitor shows the resolution 4K@60 normally.
But if we connect the HDMI 2.0 port between our produce and most TVs (support
4K@60), the TV just shows the resolution 4K@30. "xrandr" command doesn't show
4K@60.
We also found some TVs just support 4:2:0 YCbCr. Has Linux driver not support
it yet?</pre>
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