From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH igt] igt/kms_flip: Allow very large bo to fail pageflips with E2BIG
Date: Tue, 12 Dec 2017 12:02:47 +0200 [thread overview]
Message-ID: <1513072967.3809.6.camel@linux.intel.com> (raw)
In-Reply-To: <20171211172229.25746-1-chris@chris-wilson.co.uk>
On Mon, 2017-12-11 at 17:22 +0000, Chris Wilson wrote:
> 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 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.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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prev parent reply other threads:[~2017-12-12 10:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-11 17:22 [PATCH igt] igt/kms_flip: Allow very large bo to fail pageflips with E2BIG Chris Wilson
2017-12-11 18:35 ` ✗ Fi.CI.BAT: failure for " Patchwork
2017-12-12 10:02 ` Joonas Lahtinen [this message]
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