[Bug 109245] New: Commit 516a49cc19467e298d08a404f73a6e311f4548d1 causes increase in boot time on Sandy Bridge

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109245

            Bug ID: 109245
           Summary: Commit 516a49cc19467e298d08a404f73a6e311f4548d1 causes
                    increase in boot time on Sandy Bridge
           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: dkk089 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 143003
  --> https://bugs.freedesktop.org/attachment.cgi?id=143003&action=edit
dmesg log with drm.debug=0xe

As outlined in https://lkml.org/lkml/2019/1/4/611 , I experienced a significant
increase in boot time after moving from kernel 4.19.12 to 4.20. The hardware is
a Asus K53SV with a i7-2630QM (Sandy Bridge) with an external display connected
via HDMI.

Bisecting the commits revealed 516a49cc19467e298d08a404f73a6e311f4548d1 as the
cause.

The requested dmesg log with drm.debug=0xe is attached to this ticket.

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