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Now with the trimmed memcpy before the command parser, we try to allocate many different sizes of batches, predominantly one or two pages. We can therefore speed up searching for a good sized batch by keeping the objects of buckets of roughly the same size. v2: Add a comment about bucket sizes Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef I915_GEM_BATCH_POOL_H
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#define I915_GEM_BATCH_POOL_H
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#include "i915_drv.h"
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struct i915_gem_batch_pool {
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struct drm_device *dev;
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struct list_head cache_list[4];
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};
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/* i915_gem_batch_pool.c */
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void i915_gem_batch_pool_init(struct drm_device *dev,
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struct i915_gem_batch_pool *pool);
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void i915_gem_batch_pool_fini(struct i915_gem_batch_pool *pool);
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struct drm_i915_gem_object*
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i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, size_t size);
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#endif /* I915_GEM_BATCH_POOL_H */
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