[Bug 100917] [IGT] [BYT/BSW] igt at kms_flip@bo-too-big* Last errno: 7, Argument list too long

[bugzilla-daemon at freedesktop.org]

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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