From: Chris Wilson <chris@chris-wilson.co.uk>
To: Keith Packard <keithp@keithp.com>, Eric Anholt <eric@anholt.net>,
intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 13/15] drm/i915: Implement GTT variants of pread
Date: Thu, 24 Mar 2011 19:47:42 +0000 [thread overview]
Message-ID: <0d30dc$lj6c7g@orsmga001.jf.intel.com> (raw)
In-Reply-To: <yun62r8tnuf.fsf@aiko.keithp.com>
On Thu, 24 Mar 2011 10:44:40 -0700, Keith Packard <keithp@keithp.com> wrote:
> On Wed, 23 Mar 2011 17:30:22 +0000, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> > Right, so snooped pages goes through the shmem paths, nothing changes. Not
> > everything is as nice as SNB and keeping the pages in the GTT is a benefit
> > for everything else.
>
> Where's the data.
Hmm. Right, I was thinking of the read-modify-write cycle of GDK, but none
of that will hit the linear pread. And even for that there is a better
method.
Shelved until proven useful.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2011-03-24 19:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-22 13:51 next tidbits - use LLC on SNB Chris Wilson
2011-03-22 13:51 ` [PATCH 01/15] drm/i915: Enable use of GPU semaphores to sync page-flips " Chris Wilson
2011-03-22 20:44 ` Keith Packard
2011-03-22 13:51 ` [PATCH 02/15] drm/i915: Accurately track flushed domains Chris Wilson
2011-03-22 21:07 ` Keith Packard
2011-03-22 13:51 ` [PATCH 03/15] drm/i915: Track last read/write seqno independently Chris Wilson
2011-03-23 17:16 ` Eric Anholt
2011-03-22 13:51 ` [PATCH 04/15] drm/i915: Rename agp_type to cache_level Chris Wilson
2011-03-22 13:51 ` [PATCH 05/15] drm/i915: Mark the cursor and the overlay as being part of the display planes Chris Wilson
2011-03-22 13:51 ` [PATCH 06/15] drm/i915: Add an interface to dynamically change the cache level Chris Wilson
2011-03-22 13:51 ` [PATCH 07/15] drm/i915: Do not clflush snooped objects Chris Wilson
2011-03-22 13:51 ` [PATCH 08/15] drm/i915: Use the uncached domain for the display planes Chris Wilson
2011-03-22 13:51 ` [PATCH 09/15] drm/i915: Refactor pwrite/pread to use single copy of get_user_pages Chris Wilson
2011-03-22 13:51 ` [PATCH 10/15] drm/i915: Use kmap_atomic for shmem pread Chris Wilson
2011-03-22 13:51 ` [PATCH 11/15] drm/i915: Use the CPU domain for snooped pwrites Chris Wilson
2011-03-22 13:51 ` [PATCH 12/15] drm/i915: s/addr & ~PAGE_MASK/offset_in_page(addr)/ Chris Wilson
2011-03-22 13:51 ` [PATCH 13/15] drm/i915: Implement GTT variants of pread Chris Wilson
2011-03-23 17:23 ` Eric Anholt
2011-03-23 17:30 ` Chris Wilson
2011-03-24 17:44 ` Keith Packard
2011-03-24 19:47 ` Chris Wilson [this message]
2011-03-22 13:51 ` [PATCH 14/15] drm/i915: Cleanup flush|invalidate domain tracking for set_to_gpu Chris Wilson
2011-03-22 13:52 ` [PATCH 15/15] drm/i915: Use the LLC mode on gen6 for everything but display Chris Wilson
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