drm_cache.h | Explore in Territory

/**************************************************************************
 *
 * Copyright 2009 Red Hat Inc.
 * All Rights Reserved.
 *
 * 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, sub license, 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,
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/*
 * Authors:
 * Dave Airlie <[email protected]>
 */

#ifndef _DRM_CACHE_H_
#define _DRM_CACHE_H_

#include <linux/scatterlist.h>

struct iosys_map;

void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
void drm_clflush_sg(struct sg_table *st);
void drm_clflush_virt_range(void *addr, unsigned long length);
bool drm_need_swiotlb(int dma_bits);


static inline bool drm_arch_can_wc_memory(void)
{ … }

void drm_memcpy_init_early(void);

void drm_memcpy_from_wc(struct iosys_map *dst,
			const struct iosys_map *src,
			unsigned long len);
#endif
linux/include/drm/drm_cache.h
