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Commit 2ac305b7 authored by Huang Rui's avatar Huang Rui Committed by Alex Deucher
Browse files

drm/ttm: add ttm_set_memory header (v2) 



This patch moves all non-x86 abstraction to the ttm_set_memory header.
It is to make function calling more clearly.

(v2): add ttm_ prefix.

Suggested-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Reviewed-by: default avatarBas Nieuwenhuizen <basni@chromium.org>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f1e582eb

include/drm/ttm/ttm_set_memory.h

0 → 100644
+128 −0
Original line number Diff line number Diff line 
/**************************************************************************

 *

 * Copyright (c) 2018 Advanced Micro Devices, 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,

 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL

 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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: Huang Rui <ray.huang@amd.com>

 */



#ifndef TTM_SET_MEMORY

#define TTM_SET_MEMORY



#include <linux/mm.h>



#ifdef CONFIG_X86



#include <asm/set_memory.h>



static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)

{

	return set_pages_array_wb(pages, addrinarray);

}



static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)

{

	return set_pages_array_wc(pages, addrinarray);

}



static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)

{

	return set_pages_array_uc(pages, addrinarray);

}



static inline int ttm_set_pages_wb(struct page *page, int numpages)

{

	return set_pages_wb(page, numpages);

}



#else /* for CONFIG_X86 */



#if IS_ENABLED(CONFIG_AGP)



#include <asm/agp.h>



static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)

{

	int i;



	for (i = 0; i < addrinarray; i++)

		unmap_page_from_agp(pages[i]);

	return 0;

}



static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)

{

	int i;



	for (i = 0; i < addrinarray; i++)

		map_page_into_agp(pages[i]);

	return 0;

}



static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)

{

	int i;



	for (i = 0; i < addrinarray; i++)

		map_page_into_agp(pages[i]);

	return 0;

}



static inline int ttm_set_pages_wb(struct page *page, int numpages)

{

	int i;



	for (i = 0; i < numpages; i++)

		unmap_page_from_agp(page++);

	return 0;

}



#else /* for CONFIG_AGP */



static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)

{

	return 0;

}



static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)

{

	return 0;

}



static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)

{

	return 0;

}



static inline int ttm_set_pages_wb(struct page *page, int numpages)

{

	return 0;

}



#endif /* for CONFIG_AGP */



#endif /* for CONFIG_X86 */



#endif