linux/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
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   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 */
  36enum 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
  45enum 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
  56static 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
  71struct out_csc_color_matrix_type {
  72        enum dc_color_space_type color_space_type;
  73        uint16_t regval[12];
  74};
  75
  76static 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
 102static 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
 118static 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
 129static 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
 140static 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
 150static 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
 161static 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
 171static 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}
 180static 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
 205const 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
 225void 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
 272bool 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}
 294
 295void get_mpctree_visual_confirm_color(
 296                struct pipe_ctx *pipe_ctx,
 297                struct tg_color *color)
 298{
 299        const struct tg_color pipe_colors[6] = {
 300                        {MAX_TG_COLOR_VALUE, 0, 0}, /* red */
 301                        {MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE / 4, 0}, /* orange */
 302                        {MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE, 0}, /* yellow */
 303                        {0, MAX_TG_COLOR_VALUE, 0}, /* green */
 304                        {0, 0, MAX_TG_COLOR_VALUE}, /* blue */
 305                        {MAX_TG_COLOR_VALUE / 2, 0, MAX_TG_COLOR_VALUE / 2}, /* purple */
 306        };
 307
 308        struct pipe_ctx *top_pipe = pipe_ctx;
 309
 310        while (top_pipe->top_pipe)
 311                top_pipe = top_pipe->top_pipe;
 312
 313        *color = pipe_colors[top_pipe->pipe_idx];
 314}
 315
 316void get_surface_visual_confirm_color(
 317                const struct pipe_ctx *pipe_ctx,
 318                struct tg_color *color)
 319{
 320        uint32_t color_value = MAX_TG_COLOR_VALUE;
 321
 322        switch (pipe_ctx->plane_res.scl_data.format) {
 323        case PIXEL_FORMAT_ARGB8888:
 324                /* set border color to red */
 325                color->color_r_cr = color_value;
 326                if (pipe_ctx->plane_state->layer_index > 0) {
 327                        /* set border color to pink */
 328                        color->color_b_cb = color_value;
 329                        color->color_g_y = color_value * 0.5;
 330                }
 331                break;
 332
 333        case PIXEL_FORMAT_ARGB2101010:
 334                /* set border color to blue */
 335                color->color_b_cb = color_value;
 336                if (pipe_ctx->plane_state->layer_index > 0) {
 337                        /* set border color to cyan */
 338                        color->color_g_y = color_value;
 339                }
 340                break;
 341        case PIXEL_FORMAT_420BPP8:
 342                /* set border color to green */
 343                color->color_g_y = color_value;
 344                break;
 345        case PIXEL_FORMAT_420BPP10:
 346                /* set border color to yellow */
 347                color->color_g_y = color_value;
 348                color->color_r_cr = color_value;
 349                break;
 350        case PIXEL_FORMAT_FP16:
 351                /* set border color to white */
 352                color->color_r_cr = color_value;
 353                color->color_b_cb = color_value;
 354                color->color_g_y = color_value;
 355                if (pipe_ctx->plane_state->layer_index > 0) {
 356                        /* set border color to orange */
 357                        color->color_g_y = 0.22 * color_value;
 358                        color->color_b_cb = 0;
 359                }
 360                break;
 361        default:
 362                break;
 363        }
 364}
 365
 366void get_hdr_visual_confirm_color(
 367                struct pipe_ctx *pipe_ctx,
 368                struct tg_color *color)
 369{
 370        uint32_t color_value = MAX_TG_COLOR_VALUE;
 371
 372        /* Determine the overscan color based on the top-most (desktop) plane's context */
 373        struct pipe_ctx *top_pipe_ctx  = pipe_ctx;
 374
 375        while (top_pipe_ctx->top_pipe != NULL)
 376                top_pipe_ctx = top_pipe_ctx->top_pipe;
 377
 378        switch (top_pipe_ctx->plane_res.scl_data.format) {
 379        case PIXEL_FORMAT_ARGB2101010:
 380                if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_PQ) {
 381                        /* HDR10, ARGB2101010 - set border color to red */
 382                        color->color_r_cr = color_value;
 383                } else if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) {
 384                        /* FreeSync 2 ARGB2101010 - set border color to pink */
 385                        color->color_r_cr = color_value;
 386                        color->color_b_cb = color_value;
 387                }
 388                break;
 389        case PIXEL_FORMAT_FP16:
 390                if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_PQ) {
 391                        /* HDR10, FP16 - set border color to blue */
 392                        color->color_b_cb = color_value;
 393                } else if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) {
 394                        /* FreeSync 2 HDR - set border color to green */
 395                        color->color_g_y = color_value;
 396                }
 397                break;
 398        default:
 399                /* SDR - set border color to Gray */
 400                color->color_r_cr = color_value/2;
 401                color->color_b_cb = color_value/2;
 402                color->color_g_y = color_value/2;
 403                break;
 404        }
 405}
 406
 407void get_surface_tile_visual_confirm_color(
 408                struct pipe_ctx *pipe_ctx,
 409                struct tg_color *color)
 410{
 411        uint32_t color_value = MAX_TG_COLOR_VALUE;
 412        /* Determine the overscan color based on the bottom-most plane's context */
 413        struct pipe_ctx *bottom_pipe_ctx  = pipe_ctx;
 414
 415        while (bottom_pipe_ctx->bottom_pipe != NULL)
 416                bottom_pipe_ctx = bottom_pipe_ctx->bottom_pipe;
 417
 418        switch (bottom_pipe_ctx->plane_state->tiling_info.gfx9.swizzle) {
 419        case DC_SW_LINEAR:
 420                /* LINEAR Surface - set border color to red */
 421                color->color_r_cr = color_value;
 422                break;
 423        default:
 424                break;
 425        }
 426}
 427
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