From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 03/12 v2] drm/i915: move vbetool invoked ier stuff
Date: Fri, 4 May 2012 12:40:18 -0700 [thread overview]
Message-ID: <20120504124018.58d0ba7a@jbarnes-x220> (raw)
In-Reply-To: <1335481389-7232-4-git-send-email-ben@bwidawsk.net>
On Thu, 26 Apr 2012 16:03:00 -0700
Ben Widawsky <ben@bwidawsk.net> wrote:
> This extra bit of interrupt enabling code doesn't belong in the wait
> seqno function. If anything we should pull it out to a helper so the
> throttle code can also use it. The history is a bit vague, but I am
> going to attempt to just dump it, unless someone can argue otherwise.
>
> Removing this allows for a shared lock free wait seqno function. To
> keep tabs on this issue though, the IER value is stored on error
> capture (recommended by Chris Wilson)
>
> v2: fixed typo EIR->IER (Ben)
> Fix some white space (Ben)
> Move IER capture to globally instead of per ring (Ben)
>
It may be safe to remove this now. Distros used to run vbetool at
random times, shutting things off and messing with hw. But these days
they use the driver with a bit less molestation, so the IER check/fix
shouldn't be needed.
Jesse
next prev parent reply other threads:[~2012-05-04 19:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-26 23:02 [PATCH 00/12 v2] wait for BO with timeout Ben Widawsky
2012-04-26 23:02 ` [PATCH 01/12 v2] drm/i915: remove do_retire from i915_wait_request Ben Widawsky
2012-04-27 14:25 ` Daniel Vetter
2012-04-26 23:02 ` [PATCH 02/12] drm/i915: remove some extra retiring Ben Widawsky
2012-04-27 14:21 ` Daniel Vetter
2012-04-26 23:03 ` [PATCH 03/12 v2] drm/i915: move vbetool invoked ier stuff Ben Widawsky
2012-04-27 14:28 ` Daniel Vetter
2012-05-04 19:40 ` Jesse Barnes [this message]
2012-04-26 23:03 ` [PATCH 04/12 v2] drm/i915: kill waiting_seqno Ben Widawsky
2012-04-27 14:45 ` Daniel Vetter
2012-04-26 23:03 ` [PATCH 05/12 v2] drm/i915: drop polled waits from i915_wait_request Ben Widawsky
2012-04-27 14:46 ` Daniel Vetter
2012-04-26 23:03 ` [PATCH 06/12 v2] drm/i915: extract __wait_seqno " Ben Widawsky
2012-04-26 23:03 ` [PATCH 07/12] drm/i915: remove polled wait from throttle Ben Widawsky
2012-04-26 23:03 ` [PATCH 08/12 v2] drm/i915: use __wait_seqno for ring throttle Ben Widawsky
2012-04-27 14:50 ` Daniel Vetter
2012-04-26 23:03 ` [PATCH 09/12] drm/i915: timeout parameter for seqno wait Ben Widawsky
2012-04-27 14:14 ` Chris Wilson
2012-04-28 19:34 ` Ben Widawsky
2012-04-27 15:00 ` Daniel Vetter
2012-04-28 4:28 ` Ben Widawsky
2012-04-26 23:03 ` [PATCH 10/12] drm/i915: extract some common olr+wedge code Ben Widawsky
2012-04-27 8:46 ` Chris Wilson
2012-04-28 22:06 ` Ben Widawsky
2012-04-26 23:03 ` [PATCH 11/12 v2] drm/i915: wait render timeout ioctl Ben Widawsky
2012-04-27 8:44 ` Chris Wilson
2012-04-28 22:18 ` Ben Widawsky
2012-04-27 15:24 ` Chris Wilson
2012-04-29 2:11 ` Ben Widawsky
2012-04-29 2:33 ` Ben Widawsky
2012-04-29 9:27 ` Chris Wilson
2012-04-26 23:03 ` [PATCH 12/12] drm/i915: s/i915_wait_reqest/i915_wait_seqno/g Ben Widawsky
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