LXR linux/drivers/gpu/drm/amd/display/dc/dml/dml_inline

   1/*
   2 * Copyright 2017 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#ifndef __DML_INLINE_DEFS_H__
  27#define __DML_INLINE_DEFS_H__
  28
  29#include "dml_common_defs.h"
  30#include "../calcs/dcn_calc_math.h"
  31#include "dml_logger.h"
  32
  33static inline double dml_min(double a, double b)
  34{
  35        return (double) dcn_bw_min2(a, b);
  36}
  37
  38static inline double dml_min3(double a, double b, double c)
  39{
  40        return dml_min(dml_min(a, b), c);
  41}
  42
  43static inline double dml_min4(double a, double b, double c, double d)
  44{
  45        return dml_min(dml_min(a, b), dml_min(c, d));
  46}
  47
  48static inline double dml_max(double a, double b)
  49{
  50        return (double) dcn_bw_max2(a, b);
  51}
  52
  53static inline double dml_max3(double a, double b, double c)
  54{
  55        return dml_max(dml_max(a, b), c);
  56}
  57
  58static inline double dml_max4(double a, double b, double c, double d)
  59{
  60        return dml_max(dml_max(a, b), dml_max(c, d));
  61}
  62
  63static inline double dml_max5(double a, double b, double c, double d, double e)
  64{
  65        return dml_max(dml_max4(a, b, c, d), e);
  66}
  67
  68static inline double dml_ceil(double a, double granularity)
  69{
  70        return (double) dcn_bw_ceil2(a, granularity);
  71}
  72
  73static inline double dml_floor(double a, double granularity)
  74{
  75        return (double) dcn_bw_floor2(a, granularity);
  76}
  77
  78static inline int dml_log2(double x)
  79{
  80        return dml_round((double)dcn_bw_log(x, 2));
  81}
  82
  83static inline double dml_pow(double a, int exp)
  84{
  85        return (double) dcn_bw_pow(a, exp);
  86}
  87
  88static inline double dml_fmod(double f, int val)
  89{
  90        return (double) dcn_bw_mod(f, val);
  91}
  92
  93static inline double dml_ceil_2(double f)
  94{
  95        return (double) dcn_bw_ceil2(f, 2);
  96}
  97
  98static inline double dml_ceil_ex(double x, double granularity)
  99{
 100        return (double) dcn_bw_ceil2(x, granularity);
 101}
 102
 103static inline double dml_floor_ex(double x, double granularity)
 104{
 105        return (double) dcn_bw_floor2(x, granularity);
 106}
 107
 108static inline double dml_log(double x, double base)
 109{
 110        return (double) dcn_bw_log(x, base);
 111}
 112
 113static inline unsigned int dml_round_to_multiple(unsigned int num,
 114                                                 unsigned int multiple,
 115                                                 bool up)
 116{
 117        unsigned int remainder;
 118
 119        if (multiple == 0)
 120                return num;
 121
 122        remainder = num % multiple;
 123
 124        if (remainder == 0)
 125                return num;
 126
 127        if (up)
 128                return (num + multiple - remainder);
 129        else
 130                return (num - remainder);
 131}
 132#endif
 133