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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Mika Kuoppala <mika.kuoppala@linux.intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: Mika@freedesktop.org
Subject: Re: [PATCH 7/8] drm/i915: Keep track of reserved execlist ports
Date: Thu, 21 Sep 2017 13:30:48 +0100	[thread overview]
Message-ID: <150599704830.19178.2476438004010319958@mail.alporthouse.com> (raw)
In-Reply-To: <20170920143705.11277-8-mika.kuoppala@intel.com>

Quoting Mika Kuoppala (2017-09-20 15:37:04)
> To further enchance port processing, keep track of
> reserved ports. This way we can iterate only the used subset
> of port space. Note that we lift the responsibility of
> execlists_submit_request() to inspect hw availability and
> always do dequeuing. This is to ensure that only the irq
> handler will be responsible for keeping track of available ports.
> 
> v2: rebase, comment fix, READ_ONCE only outside of irq handler (Chris)
> 
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michał Winiarski <michal.winiarski@intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>

Ok, doesn't look hideous. I need to look at it with a clear head, but for
now, could you check scripts/bloat-o-meter for my usual quick guide on
how much gcc likes it?
-Chris
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  parent reply	other threads:[~2017-09-21 12:30 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20 14:36 [PATCH 0/8] Support for more than two execlist ports (v2) Mika Kuoppala
2017-09-20 14:36 ` [PATCH 1/8] drm/i915: Make own struct for execlist items Mika Kuoppala
2017-09-21 11:55   ` Michał Winiarski
2017-09-21 12:19   ` Chris Wilson
2017-09-21 15:13   ` Joonas Lahtinen
2017-09-20 14:36 ` [PATCH 2/8] drm/i915: Move execlist initialization into intel_engine_cs.c Mika Kuoppala
2017-09-21 12:20   ` Chris Wilson
2017-09-20 14:37 ` [PATCH 3/8] drm/i915: Wrap port cancellation into a function Mika Kuoppala
2017-09-21 12:18   ` Michał Winiarski
2017-09-21 14:02     ` Mika Kuoppala
2017-09-21 12:20   ` Chris Wilson
2017-09-20 14:37 ` [PATCH 4/8] drm/i915: Add execlist_port_complete Mika Kuoppala
2017-09-21 12:21   ` Chris Wilson
2017-09-20 14:37 ` [PATCH 5/8] drm/i915: Make execlist port count variable Mika Kuoppala
2017-09-21 12:21   ` Chris Wilson
2017-09-20 14:37 ` [PATCH 6/8] drm/i915: Introduce execlist_port_* accessors Mika Kuoppala
2017-09-21 12:26   ` Chris Wilson
2017-09-21 14:45     ` Mika Kuoppala
2017-09-20 14:37 ` [PATCH 7/8] drm/i915: Keep track of reserved execlist ports Mika Kuoppala
2017-09-21 12:08   ` Mika Kuoppala
2017-09-21 12:30   ` Chris Wilson [this message]
2017-09-20 14:37 ` [PATCH 8/8] drm/i915: Improve GuC request coalescing Mika Kuoppala
2017-09-21 12:34   ` Chris Wilson
2017-09-21 12:53   ` Michał Winiarski
2017-09-20 15:19 ` ✓ Fi.CI.BAT: success for Support for more than two execlist ports (rev2) Patchwork
2017-09-20 16:34 ` ✓ Fi.CI.IGT: " Patchwork

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