From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: mika.kuoppala@intel.com
Subject: Re: Small execbuf coherency fixes
Date: Fri, 12 Aug 2016 13:01:37 +0300 [thread overview]
Message-ID: <1470996097.3709.40.camel@linux.intel.com> (raw)
In-Reply-To: <1470830073-7407-1-git-send-email-chris@chris-wilson.co.uk>
On ke, 2016-08-10 at 12:54 +0100, Chris Wilson wrote:
> Execbuf suffers from a coherency problem which in theory is handled by
> the prepare for direct access implemented by pwrite. The issue being not
> only is that function non-existent (implemented inline for pwrite) it is
> missing a barrier or two.
I already provided review feedback for this series, so after that is
applied I'll proceed to review. Don't forget to CC me.
Regards, Joonas
> -Chris
>
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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next prev parent reply other threads:[~2016-08-12 10:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-10 11:54 Small execbuf coherency fixes Chris Wilson
2016-08-10 11:54 ` [PATCH 1/9] drm/i915: Cache kmap between relocations Chris Wilson
2016-08-10 11:54 ` [PATCH 2/9] drm/i915: Extract i915_gem_obj_prepare_shmem_write() Chris Wilson
2016-08-10 11:54 ` [PATCH 3/9] drm/i915: Before accessing an object via the cpu, flush GTT writes Chris Wilson
2016-08-10 11:54 ` [PATCH 4/9] drm/i915: Wait for writes through the GTT to land before reading back Chris Wilson
2016-08-10 11:54 ` [PATCH 5/9] drm/i915: Pin the pages first in shmem prepare read/write Chris Wilson
2016-08-10 11:54 ` [PATCH 6/9] drm/i915: Tidy up flush cpu/gtt write domains Chris Wilson
2016-08-10 11:54 ` [PATCH 7/9] drm/i915: Refactor execbuffer relocation writing Chris Wilson
2016-08-10 11:54 ` [PATCH 8/9] drm/i915: Fallback to single page GTT mmappings for relocations Chris Wilson
2016-08-10 11:54 ` [PATCH 9/9] drm/i915: Disallow direct CPU access to stolen pages " Chris Wilson
2016-08-10 12:32 ` ✗ Ro.CI.BAT: failure for series starting with [1/9] drm/i915: Cache kmap between relocations Patchwork
2016-08-12 10:01 ` Joonas Lahtinen [this message]
2016-08-12 10:41 ` Small execbuf coherency fixes Chris Wilson
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