[Bug 67030] New: [HSW desktop]I-G-T/testdisplay mode 3840x2160 not supported on SKYWORTH 50E780U 50" TV

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67030

          Priority: medium
            Bug ID: 67030
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW desktop]I-G-T/testdisplay mode 3840x2160 not
                    supported on SKYWORTH 50E780U 50" TV
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: cancan.feng at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Environment:
--------------------------------------------
Kernel: (drm-intel-next-queued)8f588cfc349bbbd8ae62a13679b9efba41645064
Author: Ben Widawsky <ben at bwidawsk.net>
Date:   Wed Jul 17 12:19:03 2013 -0700

    drm/i915: Create VMAs

Bug detail Description:
--------------------------------------------
We bought a new SKYWORTH 50E780U 50" TV which supports 3840x2160. I tested it
on our HSW desktop and found that it doesn't support mode 3840x2160. 
Here I list all of the HDMI modes.

18      16      connected       HDMI-A  600x340         30                     
                                     [15/1543]
  modes:
  name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot flags type clock
[0]  1280x720 60 1280 1390 1430 1650 720 725 730 750 0x5 0x48 74250
[1]  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x40 148500
[2]  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x40 148352
[3]  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x15 0x40 74250
[4]  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x15 0x40 74176
[5]  1920x1080 50 1920 2448 2492 2640 1080 1084 1089 1125 0x5 0x40 148500
[6]  1920x1080i 50 1920 2448 2492 2640 1080 1084 1094 1125 0x15 0x40 74250
[7]  1280x1024 75 1280 1296 1440 1688 1024 1025 1028 1066 0x5 0x40 135000
[8]  1280x720 60 1280 1390 1430 1650 720 725 730 750 0x5 0x40 74176
[9]  1280x720 50 1280 1720 1760 1980 720 725 730 750 0x5 0x40 74250
[10]  1440x576i 50 1440 1464 1590 1728 576 580 586 625 0x101a 0x40 27000
[11]  1024x768 75 1024 1040 1136 1312 768 769 772 800 0x5 0x40 78800
[12]  1024x768 70 1024 1048 1184 1328 768 771 777 806 0xa 0x40 75000
[13]  1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
[14]  1440x480i 60 1440 1478 1602 1716 480 488 494 525 0x101a 0x40 27027
[15]  1440x480i 60 1440 1478 1602 1716 480 488 494 525 0x101a 0x40 27000
[16]  832x624 75 832 864 928 1152 624 625 628 667 0xa 0x40 57284
[17]  800x600 75 800 816 896 1056 600 601 604 625 0x5 0x40 49500
[18]  800x600 72 800 856 976 1040 600 637 643 666 0x5 0x40 50000
[19]  800x600 60 800 840 968 1056 600 601 605 628 0x5 0x40 40000
[20]  800x600 56 800 824 896 1024 600 601 603 625 0x5 0x40 36000
[21]  720x576 50 720 732 796 864 576 581 586 625 0xa 0x40 27000
[22]  720x480 60 720 736 798 858 480 489 495 525 0xa 0x40 27027
[23]  720x480 60 720 736 798 858 480 489 495 525 0xa 0x40 27000
[24]  640x480 75 640 656 720 840 480 481 484 500 0xa 0x40 31500
[25]  640x480 73 640 664 704 832 480 489 491 520 0xa 0x40 31500
[26]  640x480 67 640 704 768 864 480 483 486 525 0xa 0x40 30240
[27]  640x480 60 640 656 752 800 480 490 492 525 0xa 0x40 25200
[28]  640x480 60 640 656 752 800 480 490 492 525 0xa 0x40 25175
[29]  720x400 70 720 738 846 900 400 412 414 449 0x6 0x40 28320

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