[Bug 64415] [ILK] Some modes unable to light up on DP display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64415

--- Comment #4 from shui yangwei <yangweix.shui at intel.com> ---
(In reply to comment #3)
> Is this really only on Ironlake? HSW, IVB and SNB work fine with it?

Kernel:
-----------------
Kernel: (drm-intel-nightly)815ca9817afc1c1a45799fb9d4a4f413b7b1517c
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Aug 14 14:14:04 2013 +0200

    drm/i915: inline vma_create into lookup_or_create_vma

Description:
-----------------
Monitor Version No: VE228Q-C

There's also some mode can't light up on other machines.

SNB unlighted mode:
CRTS(3):[28]  720x480 60 720 736 798 858 480 489 495 525 0xa 0x40 27000
CRTS(3):[30]  640x480 73 640 664 704 832 480 489 491 520 0xa 0x40 31500


IVB unlighted mode:
CRTS(3):[19]  1024x768 70 1024 1048 1184 1328 768 771 777 806 0xa 0x40 75000
CRTS(3):[23]  800x600 72 800 856 976 1040 600 637 643 666 0x5 0x40 50000
CRTS(3):[29]  640x480 75 640 656 720 840 480 481 484 500 0xa 0x40 31500
CRTS(3):[31]  640x480 67 640 704 768 864 480 483 486 525 0xa 0x40 30240
CRTS(3):[33]  640x480 60 640 656 752 800 480 490 492 525 0xa 0x40 25175
CRTS(3):[34]  720x400 70 720 738 846 900 400 412 414 449 0x6 0x40 28320

HSW all passed.

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