[Bug 93198] New: [BSW] DP screen is black for resolutions > 1920x1080

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93198

            Bug ID: 93198
           Summary: [BSW] DP screen is black for resolutions > 1920x1080
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: kevin.strasser at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 120239
  --> https://bugs.freedesktop.org/attachment.cgi?id=120239&action=edit
dmesg

==System Environment==
--------------------------
BIOS: v82 w/ all default settings
DP monitor: Dell U2713HM

==kernel==
--------------------------
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git | commit
2255702db4014d1c69d6037ed7bdad2d2e271985

==Reproduce steps==
----------------------------
1. Plug in external DP monitor
2. Select resolution > 1920x1080
3. Check that DP monitor remains black (fail)
4. Select resolution <= 1920x1080
5. Check that DP monitor lights up

This bug may be related to:
https://bugs.freedesktop.org/show_bug.cgi?id=88963

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