mirror of https://gitee.com/openkylin/linux.git
drm/omap: remove unused header tcm-sita.h
tcm-sita.h is unused since commit 0d6fa53fd8
("drm/omap: Use bitmaps for TILER placement")
Let's remove it.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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/*
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* SImple Tiler Allocator (SiTA) private structures.
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*
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* Copyright (C) 2009-2011 Texas Instruments Incorporated - http://www.ti.com/
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* Author: Ravi Ramachandra <r.ramachandra@ti.com>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TCM_SITA_H
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#define _TCM_SITA_H
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#include "tcm.h"
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/* length between two coordinates */
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#define LEN(a, b) ((a) > (b) ? (a) - (b) + 1 : (b) - (a) + 1)
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enum criteria {
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CR_MAX_NEIGHS = 0x01,
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CR_FIRST_FOUND = 0x10,
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CR_BIAS_HORIZONTAL = 0x20,
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CR_BIAS_VERTICAL = 0x40,
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CR_DIAGONAL_BALANCE = 0x80
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};
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/* nearness to the beginning of the search field from 0 to 1000 */
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struct nearness_factor {
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s32 x;
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s32 y;
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};
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/*
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* Statistics on immediately neighboring slots. Edge is the number of
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* border segments that are also border segments of the scan field. Busy
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* refers to the number of neighbors that are occupied.
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*/
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struct neighbor_stats {
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u16 edge;
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u16 busy;
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};
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/* structure to keep the score of a potential allocation */
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struct score {
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struct nearness_factor f;
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struct neighbor_stats n;
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struct tcm_area a;
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u16 neighs; /* number of busy neighbors */
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};
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struct sita_pvt {
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spinlock_t lock; /* spinlock to protect access */
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struct tcm_pt div_pt; /* divider point splitting container */
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struct tcm_area ***map; /* pointers to the parent area for each slot */
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};
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/* assign coordinates to area */
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static inline
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void assign(struct tcm_area *a, u16 x0, u16 y0, u16 x1, u16 y1)
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{
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a->p0.x = x0;
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a->p0.y = y0;
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a->p1.x = x1;
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a->p1.y = y1;
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}
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#endif
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