From: Keith Packard <keithp@keithp.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 12/13] drm/i915: Prevent mixing of snooped and tiling modes for old chipsets
Date: Wed, 04 May 2011 10:32:04 -0700 [thread overview]
Message-ID: <yunpqny4bjf.fsf@aiko.keithp.com> (raw)
In-Reply-To: <1302771827-26112-13-git-send-email-chris@chris-wilson.co.uk>
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On Thu, 14 Apr 2011 10:03:46 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> Older chipsets do not support snooping (i.e. cache sharing between the
> CPU and GPU) on tiled surfaces. So prevent userspace from being silly
> should we one day expose the ability to change cache levels from
> userspace.
We will not need this as there is no plan to have user-mode use snooped
access on older chipsets.
--
keith.packard@intel.com
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next prev parent reply other threads:[~2011-05-04 17:32 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-14 9:03 i915 llc for -next Chris Wilson
2011-04-14 9:03 ` [PATCH 01/13] drm/i915: Rename agp_type to cache_level Chris Wilson
2011-04-14 12:39 ` Keith Packard
2011-04-14 20:57 ` [PATCH] " Chris Wilson
2011-04-14 9:03 ` [PATCH 02/13] drm/i915: Do not clflush snooped objects Chris Wilson
2011-04-14 9:03 ` [PATCH 03/13] drm/i915: Introduce i915_gem_object_finish_gpu() Chris Wilson
2011-04-14 16:01 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 04/13] drm/i915: Introduce i915_gem_object_finish_gtt() Chris Wilson
2011-04-14 16:12 ` Daniel Vetter
2011-04-14 20:20 ` Chris Wilson
2011-05-04 16:47 ` Keith Packard
2011-04-14 9:03 ` [PATCH 05/13] drm/i915/gtt: Split out i915_gem_gtt_rebind_object() Chris Wilson
2011-04-14 16:52 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 06/13] drm/i915: Add an interface to dynamically change the cache level Chris Wilson
2011-04-14 16:54 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 07/13] drm/i915: Mark the cursor and the overlay as being part of the display planes Chris Wilson
2011-05-04 17:09 ` Keith Packard
2011-05-04 18:28 ` Chris Wilson
2011-05-04 18:46 ` Keith Packard
2011-05-04 19:47 ` Chris Wilson
2011-04-14 9:03 ` [PATCH 08/13] drm/i915: Pin after setting to the display plane Chris Wilson
2011-04-14 17:34 ` Daniel Vetter
2011-04-14 21:31 ` Chris Wilson
2011-04-15 6:04 ` [PATCH 1/2] drm/i915: Combine pinning " Chris Wilson
2011-04-15 6:04 ` [PATCH 2/2] drm/i915: Use the uncached domain for the display planes Chris Wilson
2011-04-16 10:54 ` Daniel Vetter
2011-04-15 12:11 ` [PATCH 1/2] drm/i915: Combine pinning after setting to the display plane Daniel Vetter
2011-04-16 6:26 ` Chris Wilson
2011-04-16 6:27 ` [PATCH] drm/i915: Combine pinning with " Chris Wilson
2011-04-16 10:52 ` Daniel Vetter
2011-04-16 11:00 ` Chris Wilson
2011-04-14 9:03 ` [PATCH 09/13] drm/i915: Use the uncached domain for the display planes Chris Wilson
2011-04-14 9:03 ` [PATCH 10/13] drm/i915: Use the CPU domain for snooped pwrites Chris Wilson
2011-04-14 17:40 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 11/13] drm/i915: Prevent mmap access through the GTT of snooped pages Chris Wilson
2011-05-04 17:30 ` Keith Packard
2011-04-14 9:03 ` [PATCH 12/13] drm/i915: Prevent mixing of snooped and tiling modes for old chipsets Chris Wilson
2011-04-14 17:43 ` Daniel Vetter
2011-04-14 20:26 ` Chris Wilson
2011-05-04 17:32 ` Keith Packard [this message]
2011-04-14 9:03 ` [PATCH 13/13] drm/i915: Use the LLC mode on gen6 for everything but display Chris Wilson
2011-04-15 6:12 ` i915 llc for -next Chris Wilson
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