From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 2/5] drm: Add initial dnyamic power off feature
Date: Mon, 10 Sep 2012 12:07:58 +0100 [thread overview]
Message-ID: <20120910120758.3bd752bc@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <1347251515-10136-3-git-send-email-airlied@gmail.com>
On Mon, 10 Sep 2012 14:31:52 +1000
Dave Airlie <airlied@gmail.com> wrote:
> From: Dave Airlie <airlied@redhat.com>
>
> For secondary GPUs in laptops, i.e. optimus or powerxpress, we have
> methods for powering down the GPU completely. This adds support
> to the drm core for powering back up the GPU on any access from
> ioctls or sysfs interfaces, and fires a 5s timer to test if
> we can power the GPU off.
Is there a reason for basically re-inventing the existing Linux dynamic
power management layer ?
Alan
next prev parent reply other threads:[~2012-09-10 11:03 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-10 4:31 [RFC] drm dynamic power off support Dave Airlie
2012-09-10 4:31 ` [PATCH 1/5] gpu/vga_switcheroo: add driver control power feature Dave Airlie
2012-09-10 4:31 ` [PATCH 2/5] drm: Add initial dnyamic power off feature Dave Airlie
2012-09-10 7:18 ` Daniel Vetter
2012-09-10 8:23 ` Dave Airlie
2012-09-10 8:36 ` Chris Wilson
2012-09-10 10:55 ` Alan Cox
2012-09-10 9:00 ` Daniel Vetter
2012-09-10 11:07 ` Alan Cox [this message]
2012-09-10 11:16 ` Dave Airlie
2012-09-10 4:31 ` [PATCH 3/5] nouveau: Add interface to detect optimus support Dave Airlie
2012-09-10 16:25 ` Lekensteyn
2012-09-10 20:24 ` Dave Airlie
2012-09-10 4:31 ` [PATCH 4/5] nouveau: add dynamic gpu power off support Dave Airlie
2012-09-10 16:30 ` Peter Wu
2012-09-10 4:31 ` [PATCH 5/5] radeon: add dynamic " Dave Airlie
2012-09-10 5:04 ` [RFC] drm " Dave Airlie
2012-09-10 8:47 ` Takashi Iwai
2012-09-10 8:50 ` Dave Airlie
2012-09-11 13:32 ` Takashi Iwai
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