From: Chris Wilson <chris@chris-wilson.co.uk>
To: Peter Antoine <peter.antoine@intel.com>
Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org,
dave.gordon@intel.com
Subject: Re: [PATCH 3/3] drm/i915: Wait after context init with GuC Submission
Date: Fri, 8 Jan 2016 15:19:40 +0000 [thread overview]
Message-ID: <20160108151940.GE652@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <1452265434-25169-4-git-send-email-peter.antoine@intel.com>
On Fri, Jan 08, 2016 at 03:03:54PM +0000, Peter Antoine wrote:
> Per-context initialisation GPU instructions (which are injected directly
> into the ringbuffer rather than being submitted as a batch) should not
> be allowed to mix with user-generated batches in the same submission; it
> will cause confusion for the GuC (which might merge a subsequent
> preemptive request with the non-preemptive initialisation code), and for
> the scheduler, which wouldn't know how to re-inject a non-batch request
> if it were the victim of preemption.
Move the context init into the first request. Problem solved.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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next prev parent reply other threads:[~2016-01-08 15:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 15:03 [PATCH 0/3] Enabling GuC Loading on Broxton Peter Antoine
2016-01-08 15:03 ` [PATCH 1/3] drm/i915: Adding Broxton GuC Loader Support Peter Antoine
2016-01-11 16:40 ` Yu Dai
2016-01-08 15:03 ` [PATCH 2/3] drm/i915: resize the GuC WOPCM for rc6 Peter Antoine
2016-01-11 16:40 ` Yu Dai
2016-01-19 23:52 ` Yu Dai
2016-01-20 17:48 ` Jeff McGee
2016-01-08 15:03 ` [PATCH 3/3] drm/i915: Wait after context init with GuC Submission Peter Antoine
2016-01-08 15:19 ` Chris Wilson [this message]
2016-01-11 15:48 ` Antoine, Peter
2016-01-11 16:40 ` Yu Dai
2016-01-11 10:13 ` ✗ warning: Fi.CI.BAT Patchwork
2016-01-12 16:23 ` Daniel Vetter
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