root/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h

INCLUDED FROM

DEFINITIONS

1. dml_min
2. dml_min3
3. dml_min4
4. dml_max
5. dml_max3
6. dml_max4
7. dml_max5
8. dml_ceil
9. dml_floor
10. dml_log2
11. dml_pow
12. dml_fmod
13. dml_ceil_2
14. dml_ceil_ex
15. dml_floor_ex
16. dml_log
17. dml_round_to_multiple
18. dml_abs

   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 "dcn_calc_math.h"
  31 #include "dml_logger.h"
  32 
  33 static inline double dml_min(double a, double b)
  34 {
  35         return (double) dcn_bw_min2(a, b);
  36 }
  37 
  38 static inline double dml_min3(double a, double b, double c)
  39 {
  40         return dml_min(dml_min(a, b), c);
  41 }
  42 
  43 static 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 
  48 static inline double dml_max(double a, double b)
  49 {
  50         return (double) dcn_bw_max2(a, b);
  51 }
  52 
  53 static inline double dml_max3(double a, double b, double c)
  54 {
  55         return dml_max(dml_max(a, b), c);
  56 }
  57 
  58 static 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 
  63 static 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 
  68 static inline double dml_ceil(double a, double granularity)
  69 {
  70         return (double) dcn_bw_ceil2(a, granularity);
  71 }
  72 
  73 static inline double dml_floor(double a, double granularity)
  74 {
  75         return (double) dcn_bw_floor2(a, granularity);
  76 }
  77 
  78 static inline int dml_log2(double x)
  79 {
  80         return dml_round((double)dcn_bw_log(x, 2));
  81 }
  82 
  83 static inline double dml_pow(double a, int exp)
  84 {
  85         return (double) dcn_bw_pow(a, exp);
  86 }
  87 
  88 static inline double dml_fmod(double f, int val)
  89 {
  90         return (double) dcn_bw_mod(f, val);
  91 }
  92 
  93 static inline double dml_ceil_2(double f)
  94 {
  95         return (double) dcn_bw_ceil2(f, 2);
  96 }
  97 
  98 static inline double dml_ceil_ex(double x, double granularity)
  99 {
 100         return (double) dcn_bw_ceil2(x, granularity);
 101 }
 102 
 103 static inline double dml_floor_ex(double x, double granularity)
 104 {
 105         return (double) dcn_bw_floor2(x, granularity);
 106 }
 107 
 108 static inline double dml_log(double x, double base)
 109 {
 110         return (double) dcn_bw_log(x, base);
 111 }
 112 
 113 static 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 static inline double dml_abs(double a)
 133 {
 134         if (a > 0)
 135                 return a;
 136         else
 137                 return (a*(-1));
 138 }
 139 
 140 #endif