From: Chris Wilson <chris@chris-wilson.co.uk>
To: april <aapril03@gmail.com>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] Mapping snooped user pages into the GTT
Date: Wed, 12 Jan 2011 11:34:44 +0000 [thread overview]
Message-ID: <0d30dc$knnsgr@orsmga001.jf.intel.com> (raw)
In-Reply-To: <AANLkTinLs=gBQZ+07WviRdzQr4-ZBDdR8HBsBueZtu6F@mail.gmail.com>
On Wed, 12 Jan 2011 15:40:33 +0800, april <aapril03@gmail.com> wrote:
> Dear Chris:
>
> what do u mean " blit between snooped and unsnooped memory"?
> It seems you want to map user-space pixmap to GTT space, and use 2d
> copy to do upload/download?
Yes, and sample from snooped memory for some operations.
> TTM can map user space memory to GTT aperture by using
> "ttm_bo_type_user", but no dirver use it yet.??
Different driver, but thanks for reminding me to check ttm. It seems we
made slightly different choices over the lifetime of the gup, but
otherwise the same.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
prev parent reply other threads:[~2011-01-12 11:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 16:07 [PATCH] Mapping snooped user pages into the GTT Chris Wilson
2011-01-07 19:37 ` Dave Airlie
2011-01-12 7:40 ` april
2011-01-12 11:34 ` Chris Wilson [this message]
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