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drm/doc: Overview documentation for drm_mm.c

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kerneldoc polish will follow in the next patch.

Hopefully documenting the lru scan support a bit better spurs someone
to give this a shot in the ttm eviction code. At least in i915 it
helped quite a lot with memory thrashing on platforms where eviction
was (we've fixed that too meanwhile) fairly expensive.

Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
This commit is contained in:
Daniel Vetter 2014-01-23 00:31:48 +01:00
commit 93110be696
2 changed files with 78 additions and 0 deletions
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11
Documentation/DocBook/drm.tmpl
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@ -920,6 +920,17 @@ struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
<title>PRIME Function References</title>
!Edrivers/gpu/drm/drm_prime.c
</sect2>
<sect2>
<title>DRM MM Range Allocator</title>
<sect3>
<title>Overview</title>
!Pdrivers/gpu/drm/drm_mm.c Overview
</sect3>
<sect3>
<title>LRU Scan/Eviction Support</title>
!Pdrivers/gpu/drm/drm_mm.c lru scan roaster
</sect3>
</sect2>
</sect1>
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