[Bug 89585] New: [BSW]HDMI resolution-2560x1440 at 60Hz can't be lighted up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89585

            Bug ID: 89585
           Summary: [BSW]HDMI resolution-2560x1440 at 60Hz can't be lighted
                    up
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lei.a.liu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 114335
  --> https://bugs.freedesktop.org/attachment.cgi?id=114335&action=edit
dmesg

==System Environment==
--------------------------
Regression: No. This is first time to test this HDMI resolution on this
platform.

Non-working platforms: BSW


==kernel==
--------------------------
-nightly: f7def439e21cacf7656539edc55a4884734743de (fails)


==Bug detailed description==
-----------------------------
HDMI resolution-2560x1440 at 60Hz can't be lighted up

Monitor model No: Dell UP3214Qt
1.cvt 2560 1440 60
# 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz
Modeline "2560x1440_60.00"  312.25  2560 2752 3024 3488  1440 1443 1448 1493
-hsync +vsync
2./testdisplay -f 312.25,2560,2752,3024,3488,1440,1443,1448,1493
CRTC(20):[0]  2560x1440 59 2560 2752 3024 3488 1440 1443 1448 1493 0x0 0x0
312250
failed to set mode (2560x1440 at 59Hz): Invalid argument

==Reproduce steps==
---------------------------- 
1.cvt 2560 1440 60
# 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz
Modeline "2560x1440_60.00"  312.25  2560 2752 3024 3488  1440 1443 1448 1493
-hsync +vsync
2./testdisplay -f 312.25,2560,2752,3024,3488,1440,1443,1448,1493
CRTC(20):[0]  2560x1440 59 2560 2752 3024 3488 1440 1443 1448 1493 0x0 0x0
312250
failed to set mode (2560x1440 at 59Hz): Invalid argument

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