From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/5] drm/i915: Lift timeline ordering to await_dma_fence
Date: Mon, 10 Apr 2017 13:21:11 +0300 [thread overview]
Message-ID: <1491819671.3364.2.camel@linux.intel.com> (raw)
In-Reply-To: <20170410085557.14203-2-chris@chris-wilson.co.uk>
On ma, 2017-04-10 at 09:55 +0100, Chris Wilson wrote:
> Currently we filter out repeated use of the same timeline in the low
> level i915_gem_request_await_request(), after having added the
> dependency on the old request. However, we can lift this to
> i915_gem_request_await_dma_fence() (before the dependency is added)
> using the observation that requests along the same timeline are
> explicitly ordered via i915_add_request (along with the dependencies).
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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:[~2017-04-10 10:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-10 8:55 [PATCH 1/5] drm/i915: Mark up clflushes as belonging to an unordered timeline Chris Wilson
2017-04-10 8:55 ` [PATCH 2/5] drm/i915: Lift timeline ordering to await_dma_fence Chris Wilson
2017-04-10 10:21 ` Joonas Lahtinen [this message]
2017-04-10 8:55 ` [PATCH 3/5] drm/i915: Make ptr_unpack_bits() more function-like Chris Wilson
2017-04-10 8:55 ` [PATCH 4/5] drm/i915: Redefine ptr_pack_bits() and friends Chris Wilson
2017-04-10 8:55 ` [PATCH 5/5] drm/i915: Squash repeated awaits on the same fence Chris Wilson
2017-04-10 9:27 ` ✓ Fi.CI.BAT: success for series starting with [1/5] drm/i915: Mark up clflushes as belonging to an unordered timeline Patchwork
2017-04-10 10:17 ` [PATCH 1/5] " Joonas Lahtinen
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