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From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Cc: Eugeni Dodonov <eugeni.dodonov@intel.com>
Subject: Re: [PATCH 2/2] drm/i915: add debugfs interface to control rc6 and rps
Date: Tue, 29 Nov 2011 13:05:03 +0000	[thread overview]
Message-ID: <e0d58a$2dba7q@orsmga002.jf.intel.com> (raw)
In-Reply-To: <1322571305-1939-2-git-send-email-eugeni.dodonov@intel.com>

On Tue, 29 Nov 2011 10:55:05 -0200, Eugeni Dodonov <eugeni.dodonov@intel.com> wrote:
> This allows to enable/disable rps and rc6 from userspace. This is
> necessary for to have predictable results from hardware counters, and also
> to provide a finer granularity over power control from userspace.

Reading registers and counters is handled with i915_forcewake_user. So
the question is what benefit does htis give over module reload. It looks
far riskier...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2011-11-29 13:05 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-29 12:55 [PATCH 1/2] drm/i915: enable deepest RC6 state Eugeni Dodonov
2011-11-29 12:55 ` [PATCH 2/2] drm/i915: add debugfs interface to control rc6 and rps Eugeni Dodonov
2011-11-29 13:05   ` Chris Wilson [this message]
2011-11-29 14:12     ` Daniel Vetter
2011-11-29 14:26       ` Eugeni Dodonov
2011-11-29 14:39         ` Chris Wilson
2011-11-29 13:01 ` [PATCH 1/2] drm/i915: enable deepest RC6 state Chris Wilson
2011-11-29 21:42   ` Ben Widawsky
2011-11-29 23:46     ` Eugeni Dodonov

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