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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - I7-8700 onboard HDMI port does not support 4K resolution"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112018">112018</a>
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<th>Summary</th>
<td>I7-8700 onboard HDMI port does not support 4K resolution
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
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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>not set
</td>
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>jian-hong@endlessm.com
</td>
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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
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=145751" name="attach_145751" title="xrandr shows available resolustions">attachment 145751</a> <a href="attachment.cgi?id=145751&action=edit" title="xrandr shows available resolustions">[details]</a></span>
xrandr shows available resolustions
We have a desktop equipped with i7-8700. Its onboard HDMI port cannot support
up to resolution 3840*2160 on Linux (mainline kernel 5.4-rc3+). But Windows
supports (must do Windows update to latest which includes the graphic driver).
The graphic information
00:02.0 VGA compatible controller [0300]: Intel Corporation UHD Graphics 630
(Desktop) [8086:3e92] (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] UHD Graphics 630 (Desktop)
[1025:124e]
Flags: bus master, fast devsel, latency 0, IRQ 138
Memory at a1000000 (64-bit, non-prefetchable) [size=16M]
Memory at 90000000 (64-bit, prefetchable) [size=256M]
I/O ports at 5000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [40] Vendor Specific Information: Len=0c <?>
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [100] Process Address Space ID (PASID)
Capabilities: [200] Address Translation Service (ATS)
Capabilities: [300] Page Request Interface (PRI)
Kernel driver in use: i915
Kernel modules: i915
We also check the onboard display port. Display port can support up to
resolution 3840*2160 on Linux.</pre>
</div>
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