[Bug 86201] New: Intel/VLV: Regression: Delayed boot and distorted text console after commit 773538e8

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86201

            Bug ID: 86201
           Summary: Intel/VLV: Regression: Delayed boot and distorted text
                    console after commit 773538e8
           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: eich at pdx.freedesktop.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org,
                    ville.syrjala at linux.intel.com

Created attachment 109341
  --> https://bugs.freedesktop.org/attachment.cgi?id=109341&action=edit
dmesg log showing delay

Boot is delayed and the text console is flickering & distorted after commit 

commit 773538e86081d146e0020435d614f4b96996c1f9
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Thu Sep 4 14:54:56 2014 +0300

    drm/i915: Reset power sequencer pipe tracking when disp2d is off

has been introduced.

As can be seen from the kernel logs there are delays of several seconds where
power to eDP is turned on and off.
Once the system is up the fbdev text console is flickering.
The display is an eDP connected panel, surprisingly an externally connected
(DVI) display flickers as well.

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