[Bug 100917] [IGT] [BYT/BSW] igt at kms_flip@bo-too-big* Last errno: 7, Argument list too long
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Dec 12 10:46:12 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=100917
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 74407418720ff7a9de7caabec05d4c3afe9a5c51 (upstream/master,
origin/master, origin/HEAD)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Mon Dec 11 17:18:23 2017 +0000
igt/kms_flip: Allow very large bo to fail pageflips with E2BIG
We tried to allow very large buffers (larger than the mappable aperture)
to be flippable by allowing them to be bound into the unmappable region.
Sadly, not all of our hw is capable of utilising the unmappable region for
scanout (and on some older hw, there is only mappable). As such, we have
to allow the very large bo to either succeed in being flipped, or fail
with the expected E2BIG.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100917
References: 9d5e393da3f5 ("igt/kms_flip: There's no such thing as
bo-too-big")
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
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