[Bug 94593] Flickering Screen on Dell XPS13 9350 [BISECT]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94593

--- Comment #6 from thomas bonfort <thomas.bonfort at gmail.com> ---
enable_psr=2 still flickers with 4.4.0-16. unable to try latest 4.4.0-17 as X
doesn't start with it.

dmesg|grep i915
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic
i915.enable_psr=2 i915_bpo.enable_psr=2
root=UUID=432cb01b-c9c7-4cb0-8129-5c0abadbf9f8 ro quiet splash vt.handoff=7
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic
i915.enable_psr=2 i915_bpo.enable_psr=2
root=UUID=432cb01b-c9c7-4cb0-8129-5c0abadbf9f8 ro quiet splash vt.handoff=7
[    1.540320] [drm] Finished loading i915/skl_dmc_ver1.bin (v1.26)
[    1.566144] [drm] Initialized i915_bpo 1.6.0 20160214 for 0000:00:02.0 on
minor 0
[    1.820091] i915_bpo 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    3.962877] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915_bpo])
[  191.798099] [drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU
pipe A FIFO underrun

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