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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=144313 end=144314)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91883#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=144313 end=144314)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91883">bug 91883</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>(In reply to alium from <a href="show_bug.cgi?id=91883#c7">comment #7</a>)
<span class="quote">> same problem:
> [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A
> (start=301707 end=301708) time 1 us, min 1073, max 1079, scanline start
> 1088, end 1080</span >
Hmm. Those numbers don't make any real sense. Basically the frame counter and
scanline counter are telling us that the update took almost one full frame
(which would be ~16 msec presumably), however the system clock is telling us it
took just 1 usec.
I suppose one possibility is that the scanline start is bogus. But that would
mean there is yet another problem with the hardware scanline counter.
Or maybe this is another PSR issue. Do you have a decent way to reproduce this,
and if so can you try with i915.enable_psr=0 ?</pre>
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