mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 10:44:23 +08:00
8d9d5744c6
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
/*
|
|
* Copyright © 2014 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef I915_GEM_BATCH_POOL_H
|
|
#define I915_GEM_BATCH_POOL_H
|
|
|
|
#include "i915_drv.h"
|
|
|
|
struct i915_gem_batch_pool {
|
|
struct drm_device *dev;
|
|
struct list_head cache_list[4];
|
|
};
|
|
|
|
/* i915_gem_batch_pool.c */
|
|
void i915_gem_batch_pool_init(struct drm_device *dev,
|
|
struct i915_gem_batch_pool *pool);
|
|
void i915_gem_batch_pool_fini(struct i915_gem_batch_pool *pool);
|
|
struct drm_i915_gem_object*
|
|
i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, size_t size);
|
|
|
|
#endif /* I915_GEM_BATCH_POOL_H */
|