[Bug 93892] New: Screen flickering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93892

            Bug ID: 93892
           Summary: Screen flickering
           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: simdev11 at outlook.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 121329
  --> https://bugs.freedesktop.org/attachment.cgi?id=121329&action=edit
dmesg (drm.debug=0x1e log_buf_len=1M)

I am experiencing screen flickering on my Skylake laptop.

It seems to be somehow related to the task the processor is currently
performing, the flickering becomes more intense for example when watching
videos.

When I disable the i915 driver, Linux falls back to software rendering and
everything gets rendered correctly.

On an external monitor connected via HDMI, the i915 driver usually renders
correctly, but the flickering on the laptop screen persists.

System information:

  - Laptop: Acer Aspire VN7-592G
  - Screen: LP156WF6-SPB1 (connected via eDP)
  - Processor: Intel Core i7-6700HQ
  - Kernel and architecture: Linux sn 4.5.0-994-generic #201601252100 SMP Tue
Jan 26 02:03:16 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
  - Distribution: Linux Mint 17.3

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