[Bug 108081] New: LG 31MU97 monitor native resolution is 4096x2160, but highest mode found is 3840x2160

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108081

            Bug ID: 108081
           Summary: LG 31MU97 monitor native resolution is 4096x2160, but
                    highest mode found is 3840x2160
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: brainn at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 141755
  --> https://bugs.freedesktop.org/attachment.cgi?id=141755&action=edit
31mu97 EDID

My working theory for this problem is that the EDID contains no information
about the monitor being 4096x2160, so there is no hope in detecting this mode.

I've attached my binary EDID file for the monitor.  I'll also add dmesg with
drm.devel=14.

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