From: Daniel Vetter <daniel@ffwll.ch>
To: Keith Packard <keithp@keithp.com>
Cc: Matthew Garrett <mjg@redhat.com>,
David Woodhouse <dwmw2@infradead.org>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable
Date: Wed, 23 Nov 2011 11:26:43 +0100 [thread overview]
Message-ID: <20111123102643.GB3864@phenom.ffwll.local> (raw)
In-Reply-To: <861uszfrah.fsf@sumi.keithp.com>
On Tue, Nov 22, 2011 at 07:31:34PM -0800, Keith Packard wrote:
> On Tue, 22 Nov 2011 20:15:31 +0000, Matthew Garrett <mjg@redhat.com> wrote:
>
> > So the user has to choose between 5W of power saving or having dmar? And
> > we default to giving them dmar? I think that's going to come as a
> > surprise to people.
>
> You'd have to go into the BIOS to turn this on for most machines at
> least?
>
> But, yeah, it seems like we should be turning DMAR off unless explicitly
> requested; I can't understand how you'd ever need this running native on
> the hardware. Not exactly an area I care about deeply; I've always
> worked hard to make sure all virtualization garbage is disabled on every
> machine I use.
Problem is that we need to disable dmar on the entire box, afaics. And I
assume that a bunch of people abusing desktop boards as servers will call
"regression" on that.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2011-11-23 10:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-28 18:15 [PATCH 0/8] misc fixes for 3.2 Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 1/8] drm/i915: there is no pipe CxSR on ironlake Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 2/8] drm: give up on edid retries when i2c bus is not responding Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 3/8] drm/i915: prevent division by zero when asking for chipset power Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 4/8] drm/i915: fix typo in function name Eugeni Dodonov
2012-01-16 22:26 ` Daniel Vetter
2011-11-28 18:15 ` [PATCH 5/8] platform/x86: fix typos in function comments Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 6/8] drm/i915: enable semaphores on per-device defaults Eugeni Dodonov
2011-11-28 18:45 ` Daniel Vetter
2011-12-10 0:02 ` Keith Packard
2011-12-10 1:05 ` [PATCH] " Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 7/8] drm/i915: allow per-device fbc to work with default settings Eugeni Dodonov
2011-11-28 18:15 ` [PATCH 8/8] drm/i915: enable rc6 by default on IVB onwards Eugeni Dodonov
2011-11-28 19:05 ` Daniel Vetter
2011-11-29 0:24 ` [PATCH] " Eugeni Dodonov
2011-11-19 6:41 ` [PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable Keith Packard
2011-11-19 7:37 ` Kenneth Graunke
2011-11-19 9:07 ` Eugeni Dodonov
2011-11-19 9:25 ` Eugeni Dodonov
2011-11-19 18:32 ` Keith Packard
2011-11-20 21:19 ` Eugeni Dodonov
2011-11-22 20:15 ` Matthew Garrett
2011-11-22 20:46 ` Eugeni Dodonov
2011-11-22 20:51 ` Matthew Garrett
2011-11-23 3:31 ` Keith Packard
2011-11-23 10:26 ` Daniel Vetter [this message]
2011-11-23 14:01 ` David Woodhouse
2011-11-23 14:39 ` Daniel Vetter
2011-11-23 15:03 ` David Woodhouse
2011-11-23 15:31 ` Daniel Vetter
2011-11-23 15:36 ` David Woodhouse
2011-11-23 15:46 ` Daniel Vetter
2011-11-23 15:41 ` Daniel Vetter
2011-11-23 15:43 ` David Woodhouse
2011-11-23 20:35 ` Daniel Vetter
2011-11-23 18:42 ` [PATCH] iommu: export no_iommu and dmar_disabled symbols Eugeni Dodonov
2011-11-23 20:36 ` [Intel-gfx] " David Woodhouse
2011-11-23 20:48 ` Keith Packard
2011-12-09 23:53 ` drm/i915: Enabling RC6 where possible Keith Packard
2011-12-09 23:53 ` [PATCH 1/2] iommu: Export intel_iommu_enabled to signal when iommu is in use Keith Packard
2011-12-09 23:53 ` [PATCH 2/2] drm/i915: By default, enable RC6 on IVB and SNB when reasonable Keith Packard
2011-12-13 3:45 ` Matthew Garrett
2011-11-29 0:30 ` [PATCH] drm/i915: enable rc6 by default on IVB onwards Daniel Vetter
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