[Bug 97529] i915 kms turns display black on Asus T100HA (Intel Atom x5-Z8500)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97529

--- Comment #30 from Jonas Aaberg <cja at gmx.net> ---

I get a few error prints from time to time:
--
[  264.110049] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=13947 end=13948) time 14 us, min 1272, max 1279, scanline
start 1280, end 1282
[  974.205415] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=56621 end=56622) time 14 us, min 1272, max 1279, scanline
start 1280, end 1281
[ 1007.285699] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=58609 end=58610) time 12 us, min 1272, max 1279, scanline
start 1280, end 1281
[ 1738.181215] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=102533 end=102534) time 18 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 2140.719325] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=126724 end=126725) time 14 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 2189.495157] perf: interrupt took too long (3161 > 2500), lowering
kernel.perf_event_max_sample_rate to 63000
[ 2215.699125] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=131230 end=131231) time 11 us, min 1272, max 1279, scanline
start 1280, end 1280
[ 2371.366424] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=140585 end=140586) time 16 us, min 1272, max 1279, scanline
start 1280, end 1283
[ 2573.159594] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=152712 end=152713) time 8 us, min 1272, max 1279, scanline
start 1280, end 1280
[ 2584.990646] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=153423 end=153424) time 10 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 2612.613070] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=155083 end=155084) time 12 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 6636.810230] perf: interrupt took too long (3960 > 3951), lowering
kernel.perf_event_max_sample_rate to 50400
[ 7502.095591] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=56156 end=56157) time 13 us, min 1272, max 1279, scanline
start 1280, end 1283
[ 7688.813003] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=67377 end=67378) time 12 us, min 1272, max 1279, scanline
start 1280, end 1280
[ 7826.841908] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=75672 end=75673) time 16 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 7884.332997] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=79127 end=79128) time 13 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 8303.544507] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=104320 end=104321) time 11 us, min 1272, max 1279, scanline
start 1280, end 1280
[ 8304.592885] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=104383 end=104384) time 13 us, min 1272, max 1279, scanline
start 1280, end 1281
[ 8388.040672] perf: interrupt took too long (5142 > 4950), lowering
kernel.perf_event_max_sample_rate to 38700
[ 8891.835131] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=139674 end=139675) time 15 us, min 1272, max 1279, scanline
start 1280, end 1281
[ 8952.404675] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=143314 end=143315) time 14 us, min 1272, max 1279, scanline
start 1280, end 1282
[ 9156.877055] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=155602 end=155603) time 15 us, min 1272, max 1279, scanline
start 1280, end 1283
[ 9172.085946] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure
on pipe A (start=156516 end=156517) time 12 us, min 1272, max 1279, scanline
start 1280, end 1280
--

However, I don't  notice anything.

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