From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>,
Ben Widawsky <benjamin.widawsky@intel.com>
Subject: Re: [PATCH 04/10] drm/i915: drop polled waits from i915_wait_request
Date: Sat, 21 Apr 2012 10:29:35 +0100 [thread overview]
Message-ID: <1335000600_11229@CP5-2952> (raw)
In-Reply-To: <1334971412-4826-5-git-send-email-ben@bwidawsk.net>
On Fri, 20 Apr 2012 18:23:26 -0700, Ben Widawsky <ben@bwidawsk.net> wrote:
> The only time irq_get should fail is during unload or suspend. Both of
> these points should try to quiesce the GPU before disabling interrupts
> and so the atomic polling should never occur.
>
> This was recommended by Chris Wilson as a way of reducing added
> complexity to the polled wait which I introduced in an RFC patch.
>
> 09:57 < ickle_> it's only there as a fudge for waiting after irqs
> after uninstalled during s&r, we aren't actually meant to hit it
> 09:57 < ickle_> so maybe we should just kill the code there and fix the breakage
>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
> ---
> + if (WARN_ON(!ring->irq_get(ring)))
> + return -EBUSY;
I think this is now a -ENODEV; :)
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-04-21 9:30 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-21 1:23 [PATCH 00/10] wait for BO with timeout Ben Widawsky
2012-04-21 1:23 ` [PATCH 01/10] drm/i915: remove do_retire from i915_wait_request Ben Widawsky
2012-04-21 17:17 ` Daniel Vetter
2012-04-21 17:27 ` Ben Widawsky
2012-04-21 17:36 ` Daniel Vetter
2012-04-21 1:23 ` [PATCH 02/10] drm/i915: move vbetool invoked ier stuff Ben Widawsky
2012-04-21 9:26 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 03/10] drm/i915: kill waiting_seqno Ben Widawsky
2012-04-22 13:46 ` Chris Wilson
2012-04-22 17:47 ` Ben Widawsky
2012-04-21 1:23 ` [PATCH 04/10] drm/i915: drop polled waits from i915_wait_request Ben Widawsky
2012-04-21 9:29 ` Chris Wilson [this message]
2012-04-21 16:14 ` Ben Widawsky
2012-04-21 1:23 ` [PATCH 05/10] drm/i915: extract __wait_seqno " Ben Widawsky
2012-04-21 1:23 ` [PATCH 06/10] drm/i915: use __wait_seqno for ring throttle Ben Widawsky
2012-04-22 14:17 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 07/10] drm/i915: timeout parameter for seqno wait Ben Widawsky
2012-04-22 12:52 ` Daniel Vetter
2012-04-21 1:23 ` [PATCH 08/10] drm/i915: real wait seqno with timeout Ben Widawsky
2012-04-21 1:23 ` [PATCH 09/10] drm/i915: wait render timeout ioctl Ben Widawsky
2012-04-21 9:41 ` Chris Wilson
2012-04-21 16:12 ` Ben Widawsky
2012-04-21 20:37 ` Ben Widawsky
2012-04-22 9:37 ` Chris Wilson
2012-04-22 9:48 ` Chris Wilson
2012-04-22 10:11 ` Daniel Vetter
2012-04-22 12:45 ` Daniel Vetter
2012-04-23 15:28 ` Ben Widawsky
2012-04-22 14:14 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 10/10] drm/i915: s/i915_wait_reqest/i915_wait_seqno/g Ben Widawsky
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