From: Chunming Zhou <zhoucm1@amd.com>
To: Chris Wilson <chris@chris-wilson.co.uk>,
"Zhou, David(ChunMing)" <David1.Zhou@amd.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH] drm/syncobj: return meaningful value to user space
Date: Thu, 18 Jul 2019 13:04:09 +0000 [thread overview]
Message-ID: <8343b732-2e4b-31f0-9e68-18171977a606@amd.com> (raw)
In-Reply-To: <156344872806.23055.12897857019960560550@skylake-alporthouse-com>
在 2019/7/18 19:18, Chris Wilson 写道:
> Quoting Chunming Zhou (2019-07-18 12:13:39)
>> if WAIT_FOR_SUBMIT isn't set and in the meanwhile no underlying fence on syncobj,
>> then return non-block error code to user sapce.
> Block device required?
Yes, if WAIT_FOR_SUBMIT is set, then that will block device.
-David
>
> I presume you tried the EWOULDBLOCK which would be implied by your
> sentence and found that would be an interesting experience.
> -Chris
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next prev parent reply other threads:[~2019-07-18 13:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-18 11:13 [PATCH] drm/syncobj: return meaningful value to user space Chunming Zhou
2019-07-18 11:18 ` Chris Wilson
2019-07-18 13:04 ` Chunming Zhou [this message]
2019-07-18 13:10 ` Chris Wilson
2019-07-18 13:15 ` Chunming Zhou
2019-07-18 13:23 ` Chris Wilson
2019-07-18 13:24 ` Chunming Zhou
2019-07-18 11:31 ` Lionel Landwerlin
2019-07-18 13:02 ` Chunming Zhou
2019-07-18 14:08 ` Lionel Landwerlin
2019-07-18 14:33 ` Chunming Zhou
2019-07-19 8:13 ` Lionel Landwerlin
2019-07-19 8:31 ` zhoucm1
2019-07-22 8:46 ` Lionel Landwerlin
2019-07-22 10:11 ` zhoucm1
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