From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Export ability of changing cache levels to userspace
Date: Wed, 18 Jul 2012 20:06:51 +0200 [thread overview]
Message-ID: <20120718180651.GK5348@phenom.ffwll.local> (raw)
In-Reply-To: <1341912428-18628-1-git-send-email-chris@chris-wilson.co.uk>
On Tue, Jul 10, 2012 at 10:27:08AM +0100, Chris Wilson wrote:
> By selecting the cache level (essentially whether or not the CPU snoops
> any updates to the bo, and on more recent machines whether it resides
> inside the CPU's last-level-cache) a userspace driver is able to then
> manage all of its memory within buffer objects, if it so desires. This
> enables the userspace driver to accelerate uploads and more importantly
> downloads from the GPU and to able to mix CPU and GPU rendering/activity
> efficiently.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
I've merged the interface header bits of this patch to reserve the
ioctl number. I'd like to play around some more with the implementation
and merge it in about a week for 3.7.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2012-07-18 18:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 11:34 [RFC] Set cache level ioctl Chris Wilson
2012-07-09 11:34 ` [PATCH 1/3] drm: Add colouring to the range allocator Chris Wilson
2012-07-10 9:21 ` Daniel Vetter
2012-07-10 9:29 ` Chris Wilson
2012-07-10 9:40 ` Daniel Vetter
2012-07-10 10:15 ` [PATCH 1/2] " Chris Wilson
2012-07-10 10:15 ` [PATCH 2/2] drm/i915: Segregate memory domains in the GTT using coloring Chris Wilson
2012-07-12 12:19 ` Daniel Vetter
2012-07-12 12:15 ` [PATCH 1/2] drm: Add colouring to the range allocator Daniel Vetter
2012-07-09 11:34 ` [PATCH 2/3] drm/i915: Segregate memory domains in the GTT using coloring Chris Wilson
2012-07-09 11:34 ` [PATCH 3/3] drm/i915: Export ability of changing cache levels to userspace Chris Wilson
2012-07-10 8:54 ` Daniel Vetter
2012-07-10 9:00 ` Chris Wilson
2012-07-10 9:27 ` [PATCH] " Chris Wilson
2012-07-18 18:06 ` Daniel Vetter [this message]
2012-07-26 10:34 ` Daniel Vetter
2012-07-26 10:49 ` [PATCH] drm/i915: Segregate memory domains in the GTT using coloring Chris Wilson
2012-07-26 11:00 ` Daniel Vetter
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