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    <head>
      <base href="https://bugs.freedesktop.org/">
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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 - [i915] [SKL] Incomplete list of HDMI connected display resolution detected"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=100213">100213</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[i915] [SKL] Incomplete list of HDMI connected display resolution detected
          </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>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </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>ladis@linux-mips.org
          </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=130230" name="attach_130230" title="dmesg">attachment 130230</a> <a href="attachment.cgi?id=130230&action=edit" title="dmesg">[details]</a></span>
dmesg

Connecting projector (EPSON EH-TW5900) into HDMI results in incomplete
supported modes detected:
$ grep . /sys/class/drm/card*-*/modes
/sys/class/drm/card0-DP-2/modes:720x576
/sys/class/drm/card0-DP-2/modes:720x480
/sys/class/drm/card0-DP-2/modes:720x480
/sys/class/drm/card0-DP-2/modes:640x480
/sys/class/drm/card0-DP-2/modes:640x480
/sys/class/drm/card1-eDP-1/modes:1920x1080
/sys/class/drm/card1-eDP-1/modes:1920x1080
Above is with "Hybrid Graphics" selected in BIOS.

However doing the same with "Discrete graphics" selected I get:
$ grep . /sys/class/drm/card*-*/modes
/sys/class/drm/card0-DP-2/modes:1920x1080
/sys/class/drm/card0-DP-2/modes:1920x1080
/sys/class/drm/card0-DP-2/modes:1920x1080i
/sys/class/drm/card0-DP-2/modes:1920x1080i
/sys/class/drm/card0-DP-2/modes:1920x1080
/sys/class/drm/card0-DP-2/modes:1920x1080i
/sys/class/drm/card0-DP-2/modes:1920x1080
/sys/class/drm/card0-DP-2/modes:1920x1080
/sys/class/drm/card0-DP-2/modes:1280x720
/sys/class/drm/card0-DP-2/modes:1280x720
/sys/class/drm/card0-DP-2/modes:1280x720
/sys/class/drm/card0-DP-2/modes:1440x576
/sys/class/drm/card0-DP-2/modes:1440x480
/sys/class/drm/card0-DP-2/modes:1440x480
/sys/class/drm/card0-DP-2/modes:720x576
/sys/class/drm/card0-DP-2/modes:720x480
/sys/class/drm/card0-DP-2/modes:720x480
/sys/class/drm/card0-DP-2/modes:640x480
/sys/class/drm/card0-DP-2/modes:640x480
/sys/class/drm/card0-eDP-1/modes:1920x1080
/sys/class/drm/card0-eDP-1/modes:1920x1080
/sys/class/drm/card0-eDP-1/modes:1680x1050
/sys/class/drm/card0-eDP-1/modes:1400x1050
/sys/class/drm/card0-eDP-1/modes:1280x1024
/sys/class/drm/card0-eDP-1/modes:1280x960
/sys/class/drm/card0-eDP-1/modes:1152x864
/sys/class/drm/card0-eDP-1/modes:1024x768
/sys/class/drm/card0-eDP-1/modes:800x600
/sys/class/drm/card0-eDP-1/modes:640x480
/sys/class/drm/card0-eDP-1/modes:720x400
/sys/class/drm/card0-eDP-1/modes:640x400
/sys/class/drm/card0-eDP-1/modes:640x350

Tested with today's drm-tip, userspace is current Debian Stretch using
gnome-desktop (Wayland).
Machine is HP ZBook 17 G3, dmesg attached.
Machines</pre>
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      </p>


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