From: Eric Anholt <eric@anholt.net>
To: dri-devel@lists.freedesktop.org
Cc: Iago Toral Quiroga <itoral@igalia.com>
Subject: Re: [PATCH v3] drm/v3d: clean caches at the end of render jobs on request from user space
Date: Thu, 19 Sep 2019 12:58:16 -0700 [thread overview]
Message-ID: <871rwc9hyf.fsf@anholt.net> (raw)
In-Reply-To: <20190919071016.4578-1-itoral@igalia.com>
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Iago Toral Quiroga <itoral@igalia.com> writes:
> Extends the user space ioctl for CL submissions so it can include a request
> to flush the cache once the CL execution has completed. Fixes memory
> write violation messages reported by the kernel in workloads involving
> shader memory writes (SSBOs, shader images, scratch, etc) which sometimes
> also lead to GPU resets during Piglit and CTS workloads.
>
> v2: if v3d_job_init() fails we need to kfree() the job instead of
> v3d_job_put() it (Eric Anholt).
>
> v3 (Eric Anholt):
> - Drop _FLAG suffix from the new flag name.
> - Add a new param so userspace can tell whether cache flushing is
> implemented in the kernel.
Appled to drm-misc-next. Thanks!
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prev parent reply other threads:[~2019-09-19 19:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-19 7:10 [PATCH v3] drm/v3d: clean caches at the end of render jobs on request from user space Iago Toral Quiroga
2019-09-19 19:58 ` Eric Anholt [this message]
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