freebsd-skq/sys/dev/drm2/drm_mem_util.h
dumbbell ca453b4fd5 drm/i915: Update to match Linux 3.8.13
This update brings initial support for Haswell GPUs.

Tested by:	Many users of FreeBSD, PC-BSD and HardenedBSD
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5554
2016-03-08 20:33:02 +00:00

60 lines
1.9 KiB
C

/*
* Copyright © 2008 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.
*
* Authors:
* Jesse Barnes <jbarnes@virtuousgeek.org>
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef _DRM_MEM_UTIL_H_
#define _DRM_MEM_UTIL_H_
#include <sys/types.h>
#include <sys/malloc.h>
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
return malloc(nmemb * size, DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
}
/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
{
if (size != 0 && nmemb > SIZE_MAX / size)
return NULL;
return malloc(nmemb * size, DRM_MEM_DRIVER, M_NOWAIT);
}
static __inline void drm_free_large(void *ptr)
{
free(ptr, DRM_MEM_DRIVER);
}
#endif