diff options
author | Michael Witten <mfwitten@gmail.com> | 2011-08-29 12:00:55 -0400 |
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committer | Michael Witten <mfwitten@gmail.com> | 2011-08-29 16:00:24 -0400 |
commit | 2d43f5d667273ba4975cb79782a46aa374dd8607 (patch) | |
tree | fed80399516beeb604ab9a99fc3074e25539a511 /Documentation/DocBook/drm.tmpl | |
parent | 0c2d91a80a156208d2f9f3dfb01871ebcf4a9338 (diff) |
DocBook/drm: Improve flow of GPU/CPU coherence sentence
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Diffstat (limited to 'Documentation/DocBook/drm.tmpl')
-rw-r--r-- | Documentation/DocBook/drm.tmpl | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index c358367f9f85..ba20f9fbb62b 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl | |||
@@ -720,8 +720,9 @@ void intel_crt_init(struct drm_device *dev) | |||
720 | provides memory to back each object. When mapped into the GTT | 720 | provides memory to back each object. When mapped into the GTT |
721 | or used in a command buffer, the backing pages for an object are | 721 | or used in a command buffer, the backing pages for an object are |
722 | flushed to memory and marked write combined so as to be coherent | 722 | flushed to memory and marked write combined so as to be coherent |
723 | with the GPU. Likewise, when the GPU finishes rendering to an object, | 723 | with the GPU. Likewise, if the CPU accesses an object after the GPU |
724 | if the CPU accesses it, it must be made coherent with the CPU's view | 724 | has finished rendering to the object, then the object must be made |
725 | coherent with the CPU's view | ||
725 | of memory, usually involving GPU cache flushing of various kinds. | 726 | of memory, usually involving GPU cache flushing of various kinds. |
726 | This core CPU<->GPU coherency management is provided by the GEM | 727 | This core CPU<->GPU coherency management is provided by the GEM |
727 | set domain function, which evaluates an object's current domain and | 728 | set domain function, which evaluates an object's current domain and |