[Bug 80191] New: Intel ValleyView Gen7 black screen after kernel initialization

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=80191

            Bug ID: 80191
           Summary: Intel ValleyView Gen7 black screen after kernel
                    initialization
           Product: Drivers
           Version: 2.5
    Kernel Version: >3.12.13
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: vistilya at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Hello.

I have a netbook ASUS X200MA with integrated video ValleyView Gen7.

When i install my Gentoo system and use gentoo-sources from standart repo
(3.12.13) my notebook has started, but he's try send video to VGA1 output. When
I detach VGA with kernel command line (video=VGA1:d) - all is okay. Video send
to standart monitor and autoresize console. Newest kernels after 3.12.13 give
me a black screen on each outputs (backlight is on, but no information on
screens after kernel init, before start openrc)

I'm try change kernel and command line options in any sequences, search answer
in google, but no result.

Attach logs from "blind" system:

dmesg:
http://bpaste.net/show/460311

messages:
http://bpaste.net/show/460312

lspci:
http://bpaste.net/show/460313

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