From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Eugeni Dodonov <eugeni.dodonov@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: re-enable rc6 by default
Date: Mon, 14 Nov 2011 13:22:37 -0800 [thread overview]
Message-ID: <20111114132237.53e8c4ed@jbarnes-desktop> (raw)
In-Reply-To: <1321303155-12624-2-git-send-email-eugeni.dodonov@intel.com>
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On Mon, 14 Nov 2011 18:39:15 -0200
Eugeni Dodonov <eugeni.dodonov@intel.com> wrote:
> Most of the rc6-related hangs and major issues were addressed for the past
> months.
>
> Let's re-enable it by default to provide a more wider testing, and catch
> the remaining problems.
>
> According to tests, enablement of rc6 results in up to +50% improvements
> in power usage and battery life, so it certainly would be a nice feature
> to have enabled by default.
>
> Also, most of the issues related to rc6 seem to came from VTd, so if you
> are experiencing any problems with it, try disabling VTd in bios or using
> intel_iommu=off kernel parameter to investigate whether it solves the
> issue.
Yes please.
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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next prev parent reply other threads:[~2011-11-14 21:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-14 20:39 [PATCH 1/2] drm/i915: re-enable semaphores by default Eugeni Dodonov
2011-11-14 20:39 ` [PATCH 2/2] drm/i915: re-enable rc6 " Eugeni Dodonov
2011-11-14 21:06 ` Lukas Hejtmanek
2011-11-14 23:04 ` Eugeni Dodonov
2011-11-14 23:12 ` Lukas Hejtmanek
2011-11-14 23:17 ` Eugeni Dodonov
2011-11-14 23:23 ` Lukas Hejtmanek
2011-11-14 21:22 ` Jesse Barnes [this message]
2011-11-16 15:53 ` Daniel Vetter
[not found] ` <CAObL_7HxAt7B7v+CqgTff+ox5eg-=qLkd8jpZGsGAFFHLx73hw@mail.gmail.com>
2011-11-16 20:22 ` Daniel Vetter
2011-11-14 21:23 ` [PATCH 1/2] drm/i915: re-enable semaphores " Jesse Barnes
2011-11-16 15:49 ` Daniel Vetter
2011-11-16 17:16 ` Keith Packard
2011-11-16 17:24 ` Andrew Lutomirski
2011-11-16 19:05 ` Eugeni Dodonov
2011-11-16 19:23 ` Jesse Barnes
2011-11-16 20:18 ` Daniel Vetter
2011-11-16 21:37 ` Keith Packard
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