[Bug 102759] New: Errors: drm:intel_set_cpu_fifo_underrun_reporting [i915] - drm:intel_cpu_fifo_underrun_irq_handler [i915]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102759

            Bug ID: 102759
           Summary: Errors: drm:intel_set_cpu_fifo_underrun_reporting
                    [i915] - drm:intel_cpu_fifo_underrun_irq_handler
                    [i915]
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jeremy9856 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Hello,

I get these errors at boot since kernel 4.12 :

sept. 12 00:56:19 hp kernel: [drm:intel_set_cpu_fifo_underrun_reporting [i915]]
*ERROR* uncleared fifo underrun on pipe A
sept. 12 00:56:19 hp kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe A FIFO underrun

Can it be fixed please ?

Fedora 26, Chromebook HP 14 (Falco) w/ MattDevo firmware.

Happen with kernel 4.13.2 from
repos.fedorapeople.org/repos/thl/kernel-vanilla.repo too. Doesn't happen with
kernel 4.11.8.

Thanks !

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