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 7/7] lib: Ask the kernel to quiescent the GPU
Date: Tue, 03 Oct 2017 15:49:40 +0300 [thread overview]
Message-ID: <1507034980.4728.57.camel@linux.intel.com> (raw)
In-Reply-To: <20170929152642.24764-7-chris@chris-wilson.co.uk>
On Fri, 2017-09-29 at 16:26 +0100, Chris Wilson wrote:
> Since the introduction of debugfs/i915_drop_caches, we have offered the
> ability to wait upon all outstanding batches. This is more efficient and
> less error prone (one example is the use of context priorities, we have
> to idle at the lowest in order not to jump over any low priority tasks
> we want to wait upon) than trying to do it all in userspace. Though we
> could if we wanted to, it's just easier to use the existing facility
> designed for the purpose -- that we were already partially using!
>
> 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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next prev parent reply other threads:[~2017-10-03 12:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-29 15:26 [PATCH igt 1/7] igt/gem_sync: Sync before starting the clock Chris Wilson
2017-09-29 15:26 ` [PATCH igt 2/7] igt/gem_workarounds: Read the workaround registers from the active context Chris Wilson
2017-10-03 12:53 ` Chris Wilson
2017-10-03 13:05 ` [PATCH igt v2] " Chris Wilson
2017-09-29 15:26 ` [PATCH igt 3/7] igt/gem_workarounds: Also exercise fresh contexts not the persistent default Chris Wilson
2017-09-29 15:26 ` [PATCH igt 4/7] igt/gem_workarounds: Also test new fd (implicit default context) Chris Wilson
2017-09-29 15:26 ` [PATCH igt 5/7] igt/gem_workarounds: Reduce manual list to combinatorial loops Chris Wilson
2017-09-29 15:26 ` [PATCH igt 6/7] igt/gem_workarounds: Add hibernation coverage Chris Wilson
2017-09-29 15:26 ` [PATCH igt 7/7] lib: Ask the kernel to quiescent the GPU Chris Wilson
2017-10-03 12:49 ` Joonas Lahtinen [this message]
2017-09-29 15:52 ` ✗ Fi.CI.BAT: failure for series starting with [1/7] igt/gem_sync: Sync before starting the clock Patchwork
2017-10-03 11:55 ` Arkadiusz Hiler
2017-10-03 12:13 ` Chris Wilson
2017-10-03 13:34 ` ✗ Fi.CI.BAT: failure for series starting with [1/7] igt/gem_sync: Sync before starting the clock (rev2) Patchwork
2017-10-03 13:37 ` Chris Wilson
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