[Bug 102803] Screen shaking and blinking [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102803

--- Comment #25 from Matthew Thode <mthode at mthode.org> ---
happened again, here's the section of log

[26447.617057] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.617070] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.617076] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26447.647175] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.647190] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.647197] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26447.691352] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.691371] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.691380] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26448.342858] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A
FIFO underrun
[26448.342882] [drm:intel_fbc_underrun_work_fn] Disabling FBC due to FIFO
underrun.
[26453.627081] [drm:drm_atomic_set_fb_for_plane] Set [FB:85] for plane state
ffff8a513aed56b0
[26453.627087] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 85
[26453.627089] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26453.627842] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a513aed56b0
[26453.627845] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26453.627847] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0

The intel_plane_atomic_calc_changes and drm_atomic_set_fb_for_plane stuff just
repeats based off of mouse movement mostly.

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