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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <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>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>I7-8700 onboard HDMI port does not support 4K resolution
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>not set
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jian-hong@endlessm.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <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>
      </p>


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