From: Ben Widawsky <ben@bwidawsk.net>
To: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/bdw: Use timeout mode for RC6 on bdw
Date: Wed, 30 Apr 2014 13:41:59 -0700 [thread overview]
Message-ID: <20140430204158.GA27267@bwidawsk.net> (raw)
In-Reply-To: <20140430133436.53429816@kcaccard-desk.amr.corp.intel.com>
On Wed, Apr 30, 2014 at 01:34:36PM -0700, Kristen Carlson Accardi wrote:
> On Tue, 29 Apr 2014 22:31:49 -0700
> Ben Widawsky <ben@bwidawsk.net> wrote:
>
> > On Wed, Apr 09, 2014 at 11:44:06AM -0700, Tom O'Rourke wrote:
> > > Higher RC6 residency is observed using timeout mode
> > > instead of EI mode. This applies to Broadwell only.
> > > The difference is particularly noticeable with video
> > > playback.
> > >
> > > Issue: VIZ-3778
> > > Change-Id: I62bb12e21caf19651034826b45cde7f73a80938d
> > > Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
> >
> > I've merged this one to my bdw-rc6 branch, and therefore my broadwell
> > branch. Hopefully Kristen will see some improvement.
>
> Unfortunately, I built your bdw-rc6 branch along with the revert
> I need to get my panel to work, and I get zero rc6 residency. Do I
> have to explicitly enable it?
I'm not actually sure. You can try it and let me know. I haven't had any
time to verify the rebase. We can check my hack.
--
Ben Widawsky, Intel Open Source Technology Center
next prev parent reply other threads:[~2014-04-30 20:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-09 18:44 [PATCH] drm/i915/bdw: Use timeout mode for RC6 on bdw Tom O'Rourke
2014-04-09 20:02 ` Daniel Vetter
2014-04-09 22:36 ` Ben Widawsky
2014-04-10 20:29 ` O'Rourke, Tom
2014-04-11 9:00 ` Daniel Vetter
2014-04-12 5:56 ` Ben Widawsky
2014-04-30 5:31 ` Ben Widawsky
2014-04-30 20:34 ` Kristen Carlson Accardi
2014-04-30 20:41 ` Ben Widawsky [this message]
2014-04-30 21:03 ` Imre Deak
2014-04-30 21:14 ` Kristen Carlson Accardi
2014-05-01 22:35 ` Ben Widawsky
2014-05-30 23:30 ` O'Rourke, Tom
2014-06-02 8:26 ` Daniel Vetter
2014-06-02 21:51 ` O'Rourke, Tom
2014-06-03 7:38 ` Daniel Vetter
2014-06-09 20:50 ` O'Rourke, Tom
2014-06-20 16:42 ` Ben Widawsky
2014-06-20 19:01 ` O'Rourke, Tom
2014-07-01 1:19 ` O'Rourke, Tom
2014-07-02 11:06 ` Jani Nikula
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