[Bug 96778] New: Screen Flickering on Intel Skylake Card (HiDPI)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96778

            Bug ID: 96778
           Summary: Screen Flickering on Intel Skylake Card (HiDPI)
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: roland.singer at desertbit.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 124856
  --> https://bugs.freedesktop.org/attachment.cgi?id=124856&action=edit
filtered dmesg dump

I am running Arch Linux on a Razer Blade 2016 with an Intel Skylake i7–6700HQ
processor and a HiDPI screen with 3200x1800 pixels. I am running Gnome under
Wayland, but also tried Xorg with xf86-video-intel in UXA and SNA acceleration
mode.

As soon as the display is switched off, due to a suspend, a lock screen action
or power saving actions, the screen starts flickering during the next wake up.
Each few seconds the screen is flickering with a black background. The system
is not really usable in this state and a reboot is required.

I tried the linux kernel 4.6.3 and 4.7-rc5. The kernel option i915.enable_rc6=0
did also not help. I attached a filtered dmesg dump.

Hope we can fix this problem! Thanks!

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