drivers/gpu/drm/amd/display/dc/core/dc_hw

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This source file includes following definitions.
is_rgb_type
is_rgb_limited_type
is_ycbcr601_type
is_ycbcr601_limited_type
is_ycbcr709_type
is_ycbcr2020_type
is_ycbcr709_limited_type
get_color_space_type
find_color_matrix
color_space_to_black_color
hwss_wait_for_blank_complete
   1 /*
   2  * Copyright 2015 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 #include <linux/delay.h>
  27 
  28 #include "dm_services.h"
  29 #include "core_types.h"
  30 #include "timing_generator.h"
  31 #include "hw_sequencer.h"
  32 
  33 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
  34 
  35 /* used as index in array of black_color_format */
  36 enum black_color_format {
  37         BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0,
  38         BLACK_COLOR_FORMAT_RGB_LIMITED,
  39         BLACK_COLOR_FORMAT_YUV_TV,
  40         BLACK_COLOR_FORMAT_YUV_CV,
  41         BLACK_COLOR_FORMAT_YUV_SUPER_AA,
  42         BLACK_COLOR_FORMAT_DEBUG,
  43 };
  44 
  45 enum dc_color_space_type {
  46         COLOR_SPACE_RGB_TYPE,
  47         COLOR_SPACE_RGB_LIMITED_TYPE,
  48         COLOR_SPACE_YCBCR601_TYPE,
  49         COLOR_SPACE_YCBCR709_TYPE,
  50         COLOR_SPACE_YCBCR2020_TYPE,
  51         COLOR_SPACE_YCBCR601_LIMITED_TYPE,
  52         COLOR_SPACE_YCBCR709_LIMITED_TYPE,
  53         COLOR_SPACE_YCBCR709_BLACK_TYPE,
  54 };
  55 
  56 static const struct tg_color black_color_format[] = {
  57         /* BlackColorFormat_RGB_FullRange */
  58         {0, 0, 0},
  59         /* BlackColorFormat_RGB_Limited */
  60         {0x40, 0x40, 0x40},
  61         /* BlackColorFormat_YUV_TV */
  62         {0x200, 0x40, 0x200},
  63         /* BlackColorFormat_YUV_CV */
  64         {0x1f4, 0x40, 0x1f4},
  65         /* BlackColorFormat_YUV_SuperAA */
  66         {0x1a2, 0x20, 0x1a2},
  67         /* visual confirm debug */
  68         {0xff, 0xff, 0},
  69 };
  70 
  71 struct out_csc_color_matrix_type {
  72         enum dc_color_space_type color_space_type;
  73         uint16_t regval[12];
  74 };
  75 
  76 static const struct out_csc_color_matrix_type output_csc_matrix[] = {
  77         { COLOR_SPACE_RGB_TYPE,
  78                 { 0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
  79         { COLOR_SPACE_RGB_LIMITED_TYPE,
  80                 { 0x1B67, 0, 0, 0x201, 0, 0x1B67, 0, 0x201, 0, 0, 0x1B67, 0x201} },
  81         { COLOR_SPACE_YCBCR601_TYPE,
  82                 { 0xE04, 0xF444, 0xFDB9, 0x1004, 0x831, 0x1016, 0x320, 0x201, 0xFB45,
  83                                 0xF6B7, 0xE04, 0x1004} },
  84         { COLOR_SPACE_YCBCR709_TYPE,
  85                 { 0xE04, 0xF345, 0xFEB7, 0x1004, 0x5D3, 0x1399, 0x1FA,
  86                                 0x201, 0xFCCA, 0xF533, 0xE04, 0x1004} },
  87         /* TODO: correct values below */
  88         { COLOR_SPACE_YCBCR601_LIMITED_TYPE,
  89                 { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x991,
  90                                 0x12C9, 0x3A6, 0x200, 0xFB47, 0xF6B9, 0xE00, 0x1000} },
  91         { COLOR_SPACE_YCBCR709_LIMITED_TYPE,
  92                 { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3,
  93                                 0x24F, 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} },
  94         { COLOR_SPACE_YCBCR2020_TYPE,
  95                 { 0x1000, 0xF149, 0xFEB7, 0x0000, 0x0868, 0x15B2,
  96                                 0x01E6, 0x0000, 0xFB88, 0xF478, 0x1000, 0x0000} },
  97         { COLOR_SPACE_YCBCR709_BLACK_TYPE,
  98                 { 0x0000, 0x0000, 0x0000, 0x1000, 0x0000, 0x0000,
  99                                 0x0000, 0x0200, 0x0000, 0x0000, 0x0000, 0x1000} },
 100 };
 101 
 102 static bool is_rgb_type(
 103                 enum dc_color_space color_space)
 104 {
 105         bool ret = false;
 106 
 107         if (color_space == COLOR_SPACE_SRGB                     ||
 108                 color_space == COLOR_SPACE_XR_RGB               ||
 109                 color_space == COLOR_SPACE_MSREF_SCRGB          ||
 110                 color_space == COLOR_SPACE_2020_RGB_FULLRANGE   ||
 111                 color_space == COLOR_SPACE_ADOBERGB             ||
 112                 color_space == COLOR_SPACE_DCIP3        ||
 113                 color_space == COLOR_SPACE_DOLBYVISION)
 114                 ret = true;
 115         return ret;
 116 }
 117 
 118 static bool is_rgb_limited_type(
 119                 enum dc_color_space color_space)
 120 {
 121         bool ret = false;
 122 
 123         if (color_space == COLOR_SPACE_SRGB_LIMITED             ||
 124                 color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)
 125                 ret = true;
 126         return ret;
 127 }
 128 
 129 static bool is_ycbcr601_type(
 130                 enum dc_color_space color_space)
 131 {
 132         bool ret = false;
 133 
 134         if (color_space == COLOR_SPACE_YCBCR601 ||
 135                 color_space == COLOR_SPACE_XV_YCC_601)
 136                 ret = true;
 137         return ret;
 138 }
 139 
 140 static bool is_ycbcr601_limited_type(
 141                 enum dc_color_space color_space)
 142 {
 143         bool ret = false;
 144 
 145         if (color_space == COLOR_SPACE_YCBCR601_LIMITED)
 146                 ret = true;
 147         return ret;
 148 }
 149 
 150 static bool is_ycbcr709_type(
 151                 enum dc_color_space color_space)
 152 {
 153         bool ret = false;
 154 
 155         if (color_space == COLOR_SPACE_YCBCR709 ||
 156                 color_space == COLOR_SPACE_XV_YCC_709)
 157                 ret = true;
 158         return ret;
 159 }
 160 
 161 static bool is_ycbcr2020_type(
 162         enum dc_color_space color_space)
 163 {
 164         bool ret = false;
 165 
 166         if (color_space == COLOR_SPACE_2020_YCBCR)
 167                 ret = true;
 168         return ret;
 169 }
 170 
 171 static bool is_ycbcr709_limited_type(
 172                 enum dc_color_space color_space)
 173 {
 174         bool ret = false;
 175 
 176         if (color_space == COLOR_SPACE_YCBCR709_LIMITED)
 177                 ret = true;
 178         return ret;
 179 }
 180 enum dc_color_space_type get_color_space_type(enum dc_color_space color_space)
 181 {
 182         enum dc_color_space_type type = COLOR_SPACE_RGB_TYPE;
 183 
 184         if (is_rgb_type(color_space))
 185                 type = COLOR_SPACE_RGB_TYPE;
 186         else if (is_rgb_limited_type(color_space))
 187                 type = COLOR_SPACE_RGB_LIMITED_TYPE;
 188         else if (is_ycbcr601_type(color_space))
 189                 type = COLOR_SPACE_YCBCR601_TYPE;
 190         else if (is_ycbcr709_type(color_space))
 191                 type = COLOR_SPACE_YCBCR709_TYPE;
 192         else if (is_ycbcr601_limited_type(color_space))
 193                 type = COLOR_SPACE_YCBCR601_LIMITED_TYPE;
 194         else if (is_ycbcr709_limited_type(color_space))
 195                 type = COLOR_SPACE_YCBCR709_LIMITED_TYPE;
 196         else if (is_ycbcr2020_type(color_space))
 197                 type = COLOR_SPACE_YCBCR2020_TYPE;
 198         else if (color_space == COLOR_SPACE_YCBCR709)
 199                 type = COLOR_SPACE_YCBCR709_BLACK_TYPE;
 200         else if (color_space == COLOR_SPACE_YCBCR709_BLACK)
 201                 type = COLOR_SPACE_YCBCR709_BLACK_TYPE;
 202         return type;
 203 }
 204 
 205 const uint16_t *find_color_matrix(enum dc_color_space color_space,
 206                                                         uint32_t *array_size)
 207 {
 208         int i;
 209         enum dc_color_space_type type;
 210         const uint16_t *val = NULL;
 211         int arr_size = NUM_ELEMENTS(output_csc_matrix);
 212 
 213         type = get_color_space_type(color_space);
 214         for (i = 0; i < arr_size; i++)
 215                 if (output_csc_matrix[i].color_space_type == type) {
 216                         val = output_csc_matrix[i].regval;
 217                         *array_size = 12;
 218                         break;
 219                 }
 220 
 221         return val;
 222 }
 223 
 224 
 225 void color_space_to_black_color(
 226         const struct dc *dc,
 227         enum dc_color_space colorspace,
 228         struct tg_color *black_color)
 229 {
 230         switch (colorspace) {
 231         case COLOR_SPACE_YCBCR601:
 232         case COLOR_SPACE_YCBCR709:
 233         case COLOR_SPACE_YCBCR709_BLACK:
 234         case COLOR_SPACE_YCBCR601_LIMITED:
 235         case COLOR_SPACE_YCBCR709_LIMITED:
 236         case COLOR_SPACE_2020_YCBCR:
 237                 *black_color = black_color_format[BLACK_COLOR_FORMAT_YUV_CV];
 238                 break;
 239 
 240         case COLOR_SPACE_SRGB_LIMITED:
 241                 *black_color =
 242                         black_color_format[BLACK_COLOR_FORMAT_RGB_LIMITED];
 243                 break;
 244 
 245         /**
 246          * Remove default and add case for all color space
 247          * so when we forget to add new color space
 248          * compiler will give a warning
 249          */
 250         case COLOR_SPACE_UNKNOWN:
 251         case COLOR_SPACE_SRGB:
 252         case COLOR_SPACE_XR_RGB:
 253         case COLOR_SPACE_MSREF_SCRGB:
 254         case COLOR_SPACE_XV_YCC_709:
 255         case COLOR_SPACE_XV_YCC_601:
 256         case COLOR_SPACE_2020_RGB_FULLRANGE:
 257         case COLOR_SPACE_2020_RGB_LIMITEDRANGE:
 258         case COLOR_SPACE_ADOBERGB:
 259         case COLOR_SPACE_DCIP3:
 260         case COLOR_SPACE_DISPLAYNATIVE:
 261         case COLOR_SPACE_DOLBYVISION:
 262         case COLOR_SPACE_APPCTRL:
 263         case COLOR_SPACE_CUSTOMPOINTS:
 264                 /* fefault is sRGB black (full range). */
 265                 *black_color =
 266                         black_color_format[BLACK_COLOR_FORMAT_RGB_FULLRANGE];
 267                 /* default is sRGB black 0. */
 268                 break;
 269         }
 270 }
 271 
 272 bool hwss_wait_for_blank_complete(
 273                 struct timing_generator *tg)
 274 {
 275         int counter;
 276 
 277         /* Not applicable if the pipe is not primary, save 300ms of boot time */
 278         if (!tg->funcs->is_blanked)
 279                 return true;
 280         for (counter = 0; counter < 100; counter++) {
 281                 if (tg->funcs->is_blanked(tg))
 282                         break;
 283 
 284                 msleep(1);
 285         }
 286 
 287         if (counter == 100) {
 288                 dm_error("DC: failed to blank crtc!\n");
 289                 return false;
 290         }
 291 
 292         return true;
 293 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c

DEFINITIONS
