drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

   1 /*
   2  * Copyright 2016 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 #include <linux/delay.h>
  26
  27 #include "dm_services.h"
  28 #include "basics/dc_common.h"
  29 #include "dm_helpers.h"
  30 #include "core_types.h"
  31 #include "resource.h"
  32 #include "dcn20_resource.h"
  33 #include "dcn20_hwseq.h"
  34 #include "dce/dce_hwseq.h"
  35 #include "dcn20_dsc.h"
  36 #include "dcn20_optc.h"
  37 #include "abm.h"
  38 #include "clk_mgr.h"
  39 #include "dmcu.h"
  40 #include "hubp.h"
  41 #include "timing_generator.h"
  42 #include "opp.h"
  43 #include "ipp.h"
  44 #include "mpc.h"
  45 #include "mcif_wb.h"
  46 #include "dchubbub.h"
  47 #include "reg_helper.h"
  48 #include "dcn10/dcn10_cm_common.h"
  49 #include "vm_helper.h"
  50 #include "dccg.h"
  51 #include "dc_dmub_srv.h"
  52 #include "dce/dmub_hw_lock_mgr.h"
  53 #include "hw_sequencer.h"
  54 #include "dpcd_defs.h"
  55 #include "inc/link_enc_cfg.h"
  56 #include "link_hwss.h"
  57 #include "link.h"
  58
  59 #define DC_LOGGER_INIT(logger)
  60
  61 #define CTX \
  62         hws->ctx
  63 #define REG(reg)\
  64         hws->regs->reg
  65
  66 #undef FN
  67 #define FN(reg_name, field_name) \
  68         hws->shifts->field_name, hws->masks->field_name
  69
  70 static int find_free_gsl_group(const struct dc *dc)
  71 {
  72         if (dc->res_pool->gsl_groups.gsl_0 == 0)
  73                 return 1;
  74         if (dc->res_pool->gsl_groups.gsl_1 == 0)
  75                 return 2;
  76         if (dc->res_pool->gsl_groups.gsl_2 == 0)
  77                 return 3;
  78
  79         return 0;
  80 }
  81
  82 /* NOTE: This is not a generic setup_gsl function (hence the suffix as_lock)
  83  * This is only used to lock pipes in pipe splitting case with immediate flip
  84  * Ordinary MPC/OTG locks suppress VUPDATE which doesn't help with immediate,
  85  * so we get tearing with freesync since we cannot flip multiple pipes
  86  * atomically.
  87  * We use GSL for this:
  88  * - immediate flip: find first available GSL group if not already assigned
  89  *                   program gsl with that group, set current OTG as master
  90  *                   and always us 0x4 = AND of flip_ready from all pipes
  91  * - vsync flip: disable GSL if used
  92  *
  93  * Groups in stream_res are stored as +1 from HW registers, i.e.
  94  * gsl_0 <=> pipe_ctx->stream_res.gsl_group == 1
  95  * Using a magic value like -1 would require tracking all inits/resets
  96  */
  97 static void dcn20_setup_gsl_group_as_lock(
  98                 const struct dc *dc,
  99                 struct pipe_ctx *pipe_ctx,
 100                 bool enable)
 101 {
 102         struct gsl_params gsl;
 103         int group_idx;
 104
 105         memset(&gsl, 0, sizeof(struct gsl_params));
 106
 107         if (enable) {
 108                 /* return if group already assigned since GSL was set up
 109                  * for vsync flip, we would unassign so it can't be "left over"
 110                  */
 111                 if (pipe_ctx->stream_res.gsl_group > 0)
 112                         return;
 113
 114                 group_idx = find_free_gsl_group(dc);
 115                 ASSERT(group_idx != 0);
 116                 pipe_ctx->stream_res.gsl_group = group_idx;
 117
 118                 /* set gsl group reg field and mark resource used */
 119                 switch (group_idx) {
 120                 case 1:
 121                         gsl.gsl0_en = 1;
 122                         dc->res_pool->gsl_groups.gsl_0 = 1;
 123                         break;
 124                 case 2:
 125                         gsl.gsl1_en = 1;
 126                         dc->res_pool->gsl_groups.gsl_1 = 1;
 127                         break;
 128                 case 3:
 129                         gsl.gsl2_en = 1;
 130                         dc->res_pool->gsl_groups.gsl_2 = 1;
 131                         break;
 132                 default:
 133                         BREAK_TO_DEBUGGER();
 134                         return; // invalid case
 135                 }
 136                 gsl.gsl_master_en = 1;
 137         } else {
 138                 group_idx = pipe_ctx->stream_res.gsl_group;
 139                 if (group_idx == 0)
 140                         return; // if not in use, just return
 141
 142                 pipe_ctx->stream_res.gsl_group = 0;
 143
 144                 /* unset gsl group reg field and mark resource free */
 145                 switch (group_idx) {
 146                 case 1:
 147                         gsl.gsl0_en = 0;
 148                         dc->res_pool->gsl_groups.gsl_0 = 0;
 149                         break;
 150                 case 2:
 151                         gsl.gsl1_en = 0;
 152                         dc->res_pool->gsl_groups.gsl_1 = 0;
 153                         break;
 154                 case 3:
 155                         gsl.gsl2_en = 0;
 156                         dc->res_pool->gsl_groups.gsl_2 = 0;
 157                         break;
 158                 default:
 159                         BREAK_TO_DEBUGGER();
 160                         return;
 161                 }
 162                 gsl.gsl_master_en = 0;
 163         }
 164
 165         /* at this point we want to program whether it's to enable or disable */
 166         if (pipe_ctx->stream_res.tg->funcs->set_gsl != NULL &&
 167                 pipe_ctx->stream_res.tg->funcs->set_gsl_source_select != NULL) {
 168                 pipe_ctx->stream_res.tg->funcs->set_gsl(
 169                         pipe_ctx->stream_res.tg,
 170                         &gsl);
 171
 172                 pipe_ctx->stream_res.tg->funcs->set_gsl_source_select(
 173                         pipe_ctx->stream_res.tg, group_idx,     enable ? 4 : 0);
 174         } else
 175                 BREAK_TO_DEBUGGER();
 176 }
 177
 178 void dcn20_set_flip_control_gsl(
 179                 struct pipe_ctx *pipe_ctx,
 180                 bool flip_immediate)
 181 {
 182         if (pipe_ctx && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl)
 183                 pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl(
 184                                 pipe_ctx->plane_res.hubp, flip_immediate);
 185
 186 }
 187
 188 void dcn20_enable_power_gating_plane(
 189         struct dce_hwseq *hws,
 190         bool enable)
 191 {
 192         bool force_on = true; /* disable power gating */
 193         uint32_t org_ip_request_cntl = 0;
 194
 195         if (enable)
 196                 force_on = false;
 197
 198         REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
 199         if (org_ip_request_cntl == 0)
 200                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
 201
 202         /* DCHUBP0/1/2/3/4/5 */
 203         REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN0_POWER_FORCEON, force_on);
 204         REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN2_POWER_FORCEON, force_on);
 205         REG_UPDATE(DOMAIN4_PG_CONFIG, DOMAIN4_POWER_FORCEON, force_on);
 206         REG_UPDATE(DOMAIN6_PG_CONFIG, DOMAIN6_POWER_FORCEON, force_on);
 207         if (REG(DOMAIN8_PG_CONFIG))
 208                 REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
 209         if (REG(DOMAIN10_PG_CONFIG))
 210                 REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
 211
 212         /* DPP0/1/2/3/4/5 */
 213         REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
 214         REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
 215         REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
 216         REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
 217         if (REG(DOMAIN9_PG_CONFIG))
 218                 REG_UPDATE(DOMAIN9_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
 219         if (REG(DOMAIN11_PG_CONFIG))
 220                 REG_UPDATE(DOMAIN11_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
 221
 222         /* DCS0/1/2/3/4/5 */
 223         REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN16_POWER_FORCEON, force_on);
 224         REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN17_POWER_FORCEON, force_on);
 225         REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN18_POWER_FORCEON, force_on);
 226         if (REG(DOMAIN19_PG_CONFIG))
 227                 REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN19_POWER_FORCEON, force_on);
 228         if (REG(DOMAIN20_PG_CONFIG))
 229                 REG_UPDATE(DOMAIN20_PG_CONFIG, DOMAIN20_POWER_FORCEON, force_on);
 230         if (REG(DOMAIN21_PG_CONFIG))
 231                 REG_UPDATE(DOMAIN21_PG_CONFIG, DOMAIN21_POWER_FORCEON, force_on);
 232
 233         if (org_ip_request_cntl == 0)
 234                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
 235
 236 }
 237
 238 void dcn20_dccg_init(struct dce_hwseq *hws)
 239 {
 240         /*
 241          * set MICROSECOND_TIME_BASE_DIV
 242          * 100Mhz refclk -> 0x120264
 243          * 27Mhz refclk -> 0x12021b
 244          * 48Mhz refclk -> 0x120230
 245          *
 246          */
 247         REG_WRITE(MICROSECOND_TIME_BASE_DIV, 0x120264);
 248
 249         /*
 250          * set MILLISECOND_TIME_BASE_DIV
 251          * 100Mhz refclk -> 0x1186a0
 252          * 27Mhz refclk -> 0x106978
 253          * 48Mhz refclk -> 0x10bb80
 254          *
 255          */
 256         REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0);
 257
 258         /* This value is dependent on the hardware pipeline delay so set once per SOC */
 259         REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c);
 260 }
 261
 262 void dcn20_disable_vga(
 263         struct dce_hwseq *hws)
 264 {
 265         REG_WRITE(D1VGA_CONTROL, 0);
 266         REG_WRITE(D2VGA_CONTROL, 0);
 267         REG_WRITE(D3VGA_CONTROL, 0);
 268         REG_WRITE(D4VGA_CONTROL, 0);
 269         REG_WRITE(D5VGA_CONTROL, 0);
 270         REG_WRITE(D6VGA_CONTROL, 0);
 271 }
 272
 273 void dcn20_program_triple_buffer(
 274         const struct dc *dc,
 275         struct pipe_ctx *pipe_ctx,
 276         bool enable_triple_buffer)
 277 {
 278         if (pipe_ctx->plane_res.hubp && pipe_ctx->plane_res.hubp->funcs) {
 279                 pipe_ctx->plane_res.hubp->funcs->hubp_enable_tripleBuffer(
 280                         pipe_ctx->plane_res.hubp,
 281                         enable_triple_buffer);
 282         }
 283 }
 284
 285 /* Blank pixel data during initialization */
 286 void dcn20_init_blank(
 287                 struct dc *dc,
 288                 struct timing_generator *tg)
 289 {
 290         struct dce_hwseq *hws = dc->hwseq;
 291         enum dc_color_space color_space;
 292         struct tg_color black_color = {0};
 293         struct output_pixel_processor *opp = NULL;
 294         struct output_pixel_processor *bottom_opp = NULL;
 295         uint32_t num_opps, opp_id_src0, opp_id_src1;
 296         uint32_t otg_active_width, otg_active_height;
 297
 298         /* program opp dpg blank color */
 299         color_space = COLOR_SPACE_SRGB;
 300         color_space_to_black_color(dc, color_space, &black_color);
 301
 302         /* get the OTG active size */
 303         tg->funcs->get_otg_active_size(tg,
 304                         &otg_active_width,
 305                         &otg_active_height);
 306
 307         /* get the OPTC source */
 308         tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
 309
 310         if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
 311                 ASSERT(false);
 312                 return;
 313         }
 314         opp = dc->res_pool->opps[opp_id_src0];
 315
 316         /* don't override the blank pattern if already enabled with the correct one. */
 317         if (opp->funcs->dpg_is_blanked && opp->funcs->dpg_is_blanked(opp))
 318                 return;
 319
 320         if (num_opps == 2) {
 321                 otg_active_width = otg_active_width / 2;
 322
 323                 if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
 324                         ASSERT(false);
 325                         return;
 326                 }
 327                 bottom_opp = dc->res_pool->opps[opp_id_src1];
 328         }
 329
 330         opp->funcs->opp_set_disp_pattern_generator(
 331                         opp,
 332                         CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
 333                         CONTROLLER_DP_COLOR_SPACE_UDEFINED,
 334                         COLOR_DEPTH_UNDEFINED,
 335                         &black_color,
 336                         otg_active_width,
 337                         otg_active_height,
 338                         0);
 339
 340         if (num_opps == 2) {
 341                 bottom_opp->funcs->opp_set_disp_pattern_generator(
 342                                 bottom_opp,
 343                                 CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
 344                                 CONTROLLER_DP_COLOR_SPACE_UDEFINED,
 345                                 COLOR_DEPTH_UNDEFINED,
 346                                 &black_color,
 347                                 otg_active_width,
 348                                 otg_active_height,
 349                                 0);
 350         }
 351
 352         hws->funcs.wait_for_blank_complete(opp);
 353 }
 354
 355 void dcn20_dsc_pg_control(
 356                 struct dce_hwseq *hws,
 357                 unsigned int dsc_inst,
 358                 bool power_on)
 359 {
 360         uint32_t power_gate = power_on ? 0 : 1;
 361         uint32_t pwr_status = power_on ? 0 : 2;
 362         uint32_t org_ip_request_cntl = 0;
 363
 364         if (hws->ctx->dc->debug.disable_dsc_power_gate)
 365                 return;
 366
 367         if (REG(DOMAIN16_PG_CONFIG) == 0)
 368                 return;
 369
 370         REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
 371         if (org_ip_request_cntl == 0)
 372                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
 373
 374         switch (dsc_inst) {
 375         case 0: /* DSC0 */
 376                 REG_UPDATE(DOMAIN16_PG_CONFIG,
 377                                 DOMAIN16_POWER_GATE, power_gate);
 378
 379                 REG_WAIT(DOMAIN16_PG_STATUS,
 380                                 DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
 381                                 1, 1000);
 382                 break;
 383         case 1: /* DSC1 */
 384                 REG_UPDATE(DOMAIN17_PG_CONFIG,
 385                                 DOMAIN17_POWER_GATE, power_gate);
 386
 387                 REG_WAIT(DOMAIN17_PG_STATUS,
 388                                 DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
 389                                 1, 1000);
 390                 break;
 391         case 2: /* DSC2 */
 392                 REG_UPDATE(DOMAIN18_PG_CONFIG,
 393                                 DOMAIN18_POWER_GATE, power_gate);
 394
 395                 REG_WAIT(DOMAIN18_PG_STATUS,
 396                                 DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
 397                                 1, 1000);
 398                 break;
 399         case 3: /* DSC3 */
 400                 REG_UPDATE(DOMAIN19_PG_CONFIG,
 401                                 DOMAIN19_POWER_GATE, power_gate);
 402
 403                 REG_WAIT(DOMAIN19_PG_STATUS,
 404                                 DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
 405                                 1, 1000);
 406                 break;
 407         case 4: /* DSC4 */
 408                 REG_UPDATE(DOMAIN20_PG_CONFIG,
 409                                 DOMAIN20_POWER_GATE, power_gate);
 410
 411                 REG_WAIT(DOMAIN20_PG_STATUS,
 412                                 DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
 413                                 1, 1000);
 414                 break;
 415         case 5: /* DSC5 */
 416                 REG_UPDATE(DOMAIN21_PG_CONFIG,
 417                                 DOMAIN21_POWER_GATE, power_gate);
 418
 419                 REG_WAIT(DOMAIN21_PG_STATUS,
 420                                 DOMAIN21_PGFSM_PWR_STATUS, pwr_status,
 421                                 1, 1000);
 422                 break;
 423         default:
 424                 BREAK_TO_DEBUGGER();
 425                 break;
 426         }
 427
 428         if (org_ip_request_cntl == 0)
 429                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
 430 }
 431
 432 void dcn20_dpp_pg_control(
 433                 struct dce_hwseq *hws,
 434                 unsigned int dpp_inst,
 435                 bool power_on)
 436 {
 437         uint32_t power_gate = power_on ? 0 : 1;
 438         uint32_t pwr_status = power_on ? 0 : 2;
 439
 440         if (hws->ctx->dc->debug.disable_dpp_power_gate)
 441                 return;
 442         if (REG(DOMAIN1_PG_CONFIG) == 0)
 443                 return;
 444
 445         switch (dpp_inst) {
 446         case 0: /* DPP0 */
 447                 REG_UPDATE(DOMAIN1_PG_CONFIG,
 448                                 DOMAIN1_POWER_GATE, power_gate);
 449
 450                 REG_WAIT(DOMAIN1_PG_STATUS,
 451                                 DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
 452                                 1, 1000);
 453                 break;
 454         case 1: /* DPP1 */
 455                 REG_UPDATE(DOMAIN3_PG_CONFIG,
 456                                 DOMAIN3_POWER_GATE, power_gate);
 457
 458                 REG_WAIT(DOMAIN3_PG_STATUS,
 459                                 DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
 460                                 1, 1000);
 461                 break;
 462         case 2: /* DPP2 */
 463                 REG_UPDATE(DOMAIN5_PG_CONFIG,
 464                                 DOMAIN5_POWER_GATE, power_gate);
 465
 466                 REG_WAIT(DOMAIN5_PG_STATUS,
 467                                 DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
 468                                 1, 1000);
 469                 break;
 470         case 3: /* DPP3 */
 471                 REG_UPDATE(DOMAIN7_PG_CONFIG,
 472                                 DOMAIN7_POWER_GATE, power_gate);
 473
 474                 REG_WAIT(DOMAIN7_PG_STATUS,
 475                                 DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
 476                                 1, 1000);
 477                 break;
 478         case 4: /* DPP4 */
 479                 REG_UPDATE(DOMAIN9_PG_CONFIG,
 480                                 DOMAIN9_POWER_GATE, power_gate);
 481
 482                 REG_WAIT(DOMAIN9_PG_STATUS,
 483                                 DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
 484                                 1, 1000);
 485                 break;
 486         case 5: /* DPP5 */
 487                 /*
 488                  * Do not power gate DPP5, should be left at HW default, power on permanently.
 489                  * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
 490                  * reset.
 491                  * REG_UPDATE(DOMAIN11_PG_CONFIG,
 492                  *              DOMAIN11_POWER_GATE, power_gate);
 493                  *
 494                  * REG_WAIT(DOMAIN11_PG_STATUS,
 495                  *              DOMAIN11_PGFSM_PWR_STATUS, pwr_status,
 496                  *              1, 1000);
 497                  */
 498                 break;
 499         default:
 500                 BREAK_TO_DEBUGGER();
 501                 break;
 502         }
 503 }
 504
 505
 506 void dcn20_hubp_pg_control(
 507                 struct dce_hwseq *hws,
 508                 unsigned int hubp_inst,
 509                 bool power_on)
 510 {
 511         uint32_t power_gate = power_on ? 0 : 1;
 512         uint32_t pwr_status = power_on ? 0 : 2;
 513
 514         if (hws->ctx->dc->debug.disable_hubp_power_gate)
 515                 return;
 516         if (REG(DOMAIN0_PG_CONFIG) == 0)
 517                 return;
 518
 519         switch (hubp_inst) {
 520         case 0: /* DCHUBP0 */
 521                 REG_UPDATE(DOMAIN0_PG_CONFIG,
 522                                 DOMAIN0_POWER_GATE, power_gate);
 523
 524                 REG_WAIT(DOMAIN0_PG_STATUS,
 525                                 DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
 526                                 1, 1000);
 527                 break;
 528         case 1: /* DCHUBP1 */
 529                 REG_UPDATE(DOMAIN2_PG_CONFIG,
 530                                 DOMAIN2_POWER_GATE, power_gate);
 531
 532                 REG_WAIT(DOMAIN2_PG_STATUS,
 533                                 DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
 534                                 1, 1000);
 535                 break;
 536         case 2: /* DCHUBP2 */
 537                 REG_UPDATE(DOMAIN4_PG_CONFIG,
 538                                 DOMAIN4_POWER_GATE, power_gate);
 539
 540                 REG_WAIT(DOMAIN4_PG_STATUS,
 541                                 DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
 542                                 1, 1000);
 543                 break;
 544         case 3: /* DCHUBP3 */
 545                 REG_UPDATE(DOMAIN6_PG_CONFIG,
 546                                 DOMAIN6_POWER_GATE, power_gate);
 547
 548                 REG_WAIT(DOMAIN6_PG_STATUS,
 549                                 DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
 550                                 1, 1000);
 551                 break;
 552         case 4: /* DCHUBP4 */
 553                 REG_UPDATE(DOMAIN8_PG_CONFIG,
 554                                 DOMAIN8_POWER_GATE, power_gate);
 555
 556                 REG_WAIT(DOMAIN8_PG_STATUS,
 557                                 DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
 558                                 1, 1000);
 559                 break;
 560         case 5: /* DCHUBP5 */
 561                 /*
 562                  * Do not power gate DCHUB5, should be left at HW default, power on permanently.
 563                  * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
 564                  * reset.
 565                  * REG_UPDATE(DOMAIN10_PG_CONFIG,
 566                  *              DOMAIN10_POWER_GATE, power_gate);
 567                  *
 568                  * REG_WAIT(DOMAIN10_PG_STATUS,
 569                  *              DOMAIN10_PGFSM_PWR_STATUS, pwr_status,
 570                  *              1, 1000);
 571                  */
 572                 break;
 573         default:
 574                 BREAK_TO_DEBUGGER();
 575                 break;
 576         }
 577 }
 578
 579
 580 /* disable HW used by plane.
 581  * note:  cannot disable until disconnect is complete
 582  */
 583 void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
 584 {
 585         struct dce_hwseq *hws = dc->hwseq;
 586         struct hubp *hubp = pipe_ctx->plane_res.hubp;
 587         struct dpp *dpp = pipe_ctx->plane_res.dpp;
 588
 589         dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
 590
 591         /* In flip immediate with pipe splitting case GSL is used for
 592          * synchronization so we must disable it when the plane is disabled.
 593          */
 594         if (pipe_ctx->stream_res.gsl_group != 0)
 595                 dcn20_setup_gsl_group_as_lock(dc, pipe_ctx, false);
 596
 597         if (hubp->funcs->hubp_update_mall_sel)
 598                 hubp->funcs->hubp_update_mall_sel(hubp, 0, false);
 599
 600         dc->hwss.set_flip_control_gsl(pipe_ctx, false);
 601
 602         hubp->funcs->hubp_clk_cntl(hubp, false);
 603
 604         dpp->funcs->dpp_dppclk_control(dpp, false, false);
 605
 606         hubp->power_gated = true;
 607
 608         hws->funcs.plane_atomic_power_down(dc,
 609                         pipe_ctx->plane_res.dpp,
 610                         pipe_ctx->plane_res.hubp);
 611
 612         pipe_ctx->stream = NULL;
 613         memset(&pipe_ctx->stream_res, 0, sizeof(pipe_ctx->stream_res));
 614         memset(&pipe_ctx->plane_res, 0, sizeof(pipe_ctx->plane_res));
 615         pipe_ctx->top_pipe = NULL;
 616         pipe_ctx->bottom_pipe = NULL;
 617         pipe_ctx->plane_state = NULL;
 618 }
 619
 620
 621 void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
 622 {
 623         bool is_phantom = pipe_ctx->plane_state && pipe_ctx->plane_state->is_phantom;
 624         struct timing_generator *tg = is_phantom ? pipe_ctx->stream_res.tg : NULL;
 625
 626         DC_LOGGER_INIT(dc->ctx->logger);
 627
 628         if (!pipe_ctx->plane_res.hubp || pipe_ctx->plane_res.hubp->power_gated)
 629                 return;
 630
 631         dcn20_plane_atomic_disable(dc, pipe_ctx);
 632
 633         /* Turn back off the phantom OTG after the phantom plane is fully disabled
 634          */
 635         if (is_phantom)
 636                 if (tg && tg->funcs->disable_phantom_crtc)
 637                         tg->funcs->disable_phantom_crtc(tg);
 638
 639         DC_LOG_DC("Power down front end %d\n",
 640                                         pipe_ctx->pipe_idx);
 641 }
 642
 643 void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
 644 {
 645         dcn20_blank_pixel_data(dc, pipe_ctx, blank);
 646 }
 647
 648 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
 649                 int opp_cnt)
 650 {
 651         bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
 652         int flow_ctrl_cnt;
 653
 654         if (opp_cnt >= 2)
 655                 hblank_halved = true;
 656
 657         flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
 658                         stream->timing.h_border_left -
 659                         stream->timing.h_border_right;
 660
 661         if (hblank_halved)
 662                 flow_ctrl_cnt /= 2;
 663
 664         /* ODM combine 4:1 case */
 665         if (opp_cnt == 4)
 666                 flow_ctrl_cnt /= 2;
 667
 668         return flow_ctrl_cnt;
 669 }
 670
 671 enum dc_status dcn20_enable_stream_timing(
 672                 struct pipe_ctx *pipe_ctx,
 673                 struct dc_state *context,
 674                 struct dc *dc)
 675 {
 676         struct dce_hwseq *hws = dc->hwseq;
 677         struct dc_stream_state *stream = pipe_ctx->stream;
 678         struct drr_params params = {0};
 679         unsigned int event_triggers = 0;
 680         struct pipe_ctx *odm_pipe;
 681         int opp_cnt = 1;
 682         int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
 683         bool interlace = stream->timing.flags.INTERLACE;
 684         int i;
 685         struct mpc_dwb_flow_control flow_control;
 686         struct mpc *mpc = dc->res_pool->mpc;
 687         bool rate_control_2x_pclk = (interlace || optc2_is_two_pixels_per_containter(&stream->timing));
 688         unsigned int k1_div = PIXEL_RATE_DIV_NA;
 689         unsigned int k2_div = PIXEL_RATE_DIV_NA;
 690
 691         if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
 692                 hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
 693
 694                 dc->res_pool->dccg->funcs->set_pixel_rate_div(
 695                         dc->res_pool->dccg,
 696                         pipe_ctx->stream_res.tg->inst,
 697                         k1_div, k2_div);
 698         }
 699         /* by upper caller loop, pipe0 is parent pipe and be called first.
 700          * back end is set up by for pipe0. Other children pipe share back end
 701          * with pipe 0. No program is needed.
 702          */
 703         if (pipe_ctx->top_pipe != NULL)
 704                 return DC_OK;
 705
 706         /* TODO check if timing_changed, disable stream if timing changed */
 707
 708         for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
 709                 opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
 710                 opp_cnt++;
 711         }
 712
 713         if (opp_cnt > 1)
 714                 pipe_ctx->stream_res.tg->funcs->set_odm_combine(
 715                                 pipe_ctx->stream_res.tg,
 716                                 opp_inst, opp_cnt,
 717                                 &pipe_ctx->stream->timing);
 718
 719         /* HW program guide assume display already disable
 720          * by unplug sequence. OTG assume stop.
 721          */
 722         pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, true);
 723
 724         if (false == pipe_ctx->clock_source->funcs->program_pix_clk(
 725                         pipe_ctx->clock_source,
 726                         &pipe_ctx->stream_res.pix_clk_params,
 727                         dc->link_srv->dp_get_encoding_format(&pipe_ctx->link_config.dp_link_settings),
 728                         &pipe_ctx->pll_settings)) {
 729                 BREAK_TO_DEBUGGER();
 730                 return DC_ERROR_UNEXPECTED;
 731         }
 732
 733         if (dc_is_hdmi_tmds_signal(stream->signal)) {
 734                 stream->link->phy_state.symclk_ref_cnts.otg = 1;
 735                 if (stream->link->phy_state.symclk_state == SYMCLK_OFF_TX_OFF)
 736                         stream->link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
 737                 else
 738                         stream->link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
 739         }
 740
 741         if (dc->hwseq->funcs.PLAT_58856_wa && (!dc_is_dp_signal(stream->signal)))
 742                 dc->hwseq->funcs.PLAT_58856_wa(context, pipe_ctx);
 743
 744         pipe_ctx->stream_res.tg->funcs->program_timing(
 745                         pipe_ctx->stream_res.tg,
 746                         &stream->timing,
 747                         pipe_ctx->pipe_dlg_param.vready_offset,
 748                         pipe_ctx->pipe_dlg_param.vstartup_start,
 749                         pipe_ctx->pipe_dlg_param.vupdate_offset,
 750                         pipe_ctx->pipe_dlg_param.vupdate_width,
 751                         pipe_ctx->stream->signal,
 752                         true);
 753
 754         rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
 755         flow_control.flow_ctrl_mode = 0;
 756         flow_control.flow_ctrl_cnt0 = 0x80;
 757         flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(stream, opp_cnt);
 758         if (mpc->funcs->set_out_rate_control) {
 759                 for (i = 0; i < opp_cnt; ++i) {
 760                         mpc->funcs->set_out_rate_control(
 761                                         mpc, opp_inst[i],
 762                                         true,
 763                                         rate_control_2x_pclk,
 764                                         &flow_control);
 765                 }
 766         }
 767
 768         for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
 769                 odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
 770                                 odm_pipe->stream_res.opp,
 771                                 true);
 772
 773         pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
 774                         pipe_ctx->stream_res.opp,
 775                         true);
 776
 777         hws->funcs.blank_pixel_data(dc, pipe_ctx, true);
 778
 779         /* VTG is  within DCHUB command block. DCFCLK is always on */
 780         if (false == pipe_ctx->stream_res.tg->funcs->enable_crtc(pipe_ctx->stream_res.tg)) {
 781                 BREAK_TO_DEBUGGER();
 782                 return DC_ERROR_UNEXPECTED;
 783         }
 784
 785         hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp);
 786
 787         params.vertical_total_min = stream->adjust.v_total_min;
 788         params.vertical_total_max = stream->adjust.v_total_max;
 789         params.vertical_total_mid = stream->adjust.v_total_mid;
 790         params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num;
 791         if (pipe_ctx->stream_res.tg->funcs->set_drr)
 792                 pipe_ctx->stream_res.tg->funcs->set_drr(
 793                         pipe_ctx->stream_res.tg, &params);
 794
 795         // DRR should set trigger event to monitor surface update event
 796         if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
 797                 event_triggers = 0x80;
 798         /* Event triggers and num frames initialized for DRR, but can be
 799          * later updated for PSR use. Note DRR trigger events are generated
 800          * regardless of whether num frames met.
 801          */
 802         if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
 803                 pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
 804                                 pipe_ctx->stream_res.tg, event_triggers, 2);
 805
 806         /* TODO program crtc source select for non-virtual signal*/
 807         /* TODO program FMT */
 808         /* TODO setup link_enc */
 809         /* TODO set stream attributes */
 810         /* TODO program audio */
 811         /* TODO enable stream if timing changed */
 812         /* TODO unblank stream if DP */
 813
 814         if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
 815                 if (pipe_ctx->stream_res.tg && pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable)
 816                         pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable(pipe_ctx->stream_res.tg);
 817         }
 818         return DC_OK;
 819 }
 820
 821 void dcn20_program_output_csc(struct dc *dc,
 822                 struct pipe_ctx *pipe_ctx,
 823                 enum dc_color_space colorspace,
 824                 uint16_t *matrix,
 825                 int opp_id)
 826 {
 827         struct mpc *mpc = dc->res_pool->mpc;
 828         enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
 829         int mpcc_id = pipe_ctx->plane_res.hubp->inst;
 830
 831         if (mpc->funcs->power_on_mpc_mem_pwr)
 832                 mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
 833
 834         if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
 835                 if (mpc->funcs->set_output_csc != NULL)
 836                         mpc->funcs->set_output_csc(mpc,
 837                                         opp_id,
 838                                         matrix,
 839                                         ocsc_mode);
 840         } else {
 841                 if (mpc->funcs->set_ocsc_default != NULL)
 842                         mpc->funcs->set_ocsc_default(mpc,
 843                                         opp_id,
 844                                         colorspace,
 845                                         ocsc_mode);
 846         }
 847 }
 848
 849 bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
 850                                 const struct dc_stream_state *stream)
 851 {
 852         int mpcc_id = pipe_ctx->plane_res.hubp->inst;
 853         struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
 854         struct pwl_params *params = NULL;
 855         /*
 856          * program OGAM only for the top pipe
 857          * if there is a pipe split then fix diagnostic is required:
 858          * how to pass OGAM parameter for stream.
 859          * if programming for all pipes is required then remove condition
 860          * pipe_ctx->top_pipe == NULL ,but then fix the diagnostic.
 861          */
 862         if (mpc->funcs->power_on_mpc_mem_pwr)
 863                 mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
 864         if (pipe_ctx->top_pipe == NULL
 865                         && mpc->funcs->set_output_gamma && stream->out_transfer_func) {
 866                 if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
 867                         params = &stream->out_transfer_func->pwl;
 868                 else if (pipe_ctx->stream->out_transfer_func->type ==
 869                         TF_TYPE_DISTRIBUTED_POINTS &&
 870                         cm_helper_translate_curve_to_hw_format(dc->ctx,
 871                         stream->out_transfer_func,
 872                         &mpc->blender_params, false))
 873                         params = &mpc->blender_params;
 874                 /*
 875                  * there is no ROM
 876                  */
 877                 if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
 878                         BREAK_TO_DEBUGGER();
 879         }
 880         /*
 881          * if above if is not executed then 'params' equal to 0 and set in bypass
 882          */
 883         mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
 884
 885         return true;
 886 }
 887
 888 bool dcn20_set_blend_lut(
 889         struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
 890 {
 891         struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
 892         bool result = true;
 893         struct pwl_params *blend_lut = NULL;
 894
 895         if (plane_state->blend_tf) {
 896                 if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
 897                         blend_lut = &plane_state->blend_tf->pwl;
 898                 else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
 899                         cm_helper_translate_curve_to_hw_format(plane_state->ctx,
 900                                         plane_state->blend_tf,
 901                                         &dpp_base->regamma_params, false);
 902                         blend_lut = &dpp_base->regamma_params;
 903                 }
 904         }
 905         result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
 906
 907         return result;
 908 }
 909
 910 bool dcn20_set_shaper_3dlut(
 911         struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
 912 {
 913         struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
 914         bool result = true;
 915         struct pwl_params *shaper_lut = NULL;
 916
 917         if (plane_state->in_shaper_func) {
 918                 if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
 919                         shaper_lut = &plane_state->in_shaper_func->pwl;
 920                 else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
 921                         cm_helper_translate_curve_to_hw_format(plane_state->ctx,
 922                                         plane_state->in_shaper_func,
 923                                         &dpp_base->shaper_params, true);
 924                         shaper_lut = &dpp_base->shaper_params;
 925                 }
 926         }
 927
 928         result = dpp_base->funcs->dpp_program_shaper_lut(dpp_base, shaper_lut);
 929         if (plane_state->lut3d_func &&
 930                 plane_state->lut3d_func->state.bits.initialized == 1)
 931                 result = dpp_base->funcs->dpp_program_3dlut(dpp_base,
 932                                                                 &plane_state->lut3d_func->lut_3d);
 933         else
 934                 result = dpp_base->funcs->dpp_program_3dlut(dpp_base, NULL);
 935
 936         return result;
 937 }
 938
 939 bool dcn20_set_input_transfer_func(struct dc *dc,
 940                                 struct pipe_ctx *pipe_ctx,
 941                                 const struct dc_plane_state *plane_state)
 942 {
 943         struct dce_hwseq *hws = dc->hwseq;
 944         struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
 945         const struct dc_transfer_func *tf = NULL;
 946         bool result = true;
 947         bool use_degamma_ram = false;
 948
 949         if (dpp_base == NULL || plane_state == NULL)
 950                 return false;
 951
 952         hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
 953         hws->funcs.set_blend_lut(pipe_ctx, plane_state);
 954
 955         if (plane_state->in_transfer_func)
 956                 tf = plane_state->in_transfer_func;
 957
 958
 959         if (tf == NULL) {
 960                 dpp_base->funcs->dpp_set_degamma(dpp_base,
 961                                 IPP_DEGAMMA_MODE_BYPASS);
 962                 return true;
 963         }
 964
 965         if (tf->type == TF_TYPE_HWPWL || tf->type == TF_TYPE_DISTRIBUTED_POINTS)
 966                 use_degamma_ram = true;
 967
 968         if (use_degamma_ram == true) {
 969                 if (tf->type == TF_TYPE_HWPWL)
 970                         dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
 971                                         &tf->pwl);
 972                 else if (tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
 973                         cm_helper_translate_curve_to_degamma_hw_format(tf,
 974                                         &dpp_base->degamma_params);
 975                         dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
 976                                 &dpp_base->degamma_params);
 977                 }
 978                 return true;
 979         }
 980         /* handle here the optimized cases when de-gamma ROM could be used.
 981          *
 982          */
 983         if (tf->type == TF_TYPE_PREDEFINED) {
 984                 switch (tf->tf) {
 985                 case TRANSFER_FUNCTION_SRGB:
 986                         dpp_base->funcs->dpp_set_degamma(dpp_base,
 987                                         IPP_DEGAMMA_MODE_HW_sRGB);
 988                         break;
 989                 case TRANSFER_FUNCTION_BT709:
 990                         dpp_base->funcs->dpp_set_degamma(dpp_base,
 991                                         IPP_DEGAMMA_MODE_HW_xvYCC);
 992                         break;
 993                 case TRANSFER_FUNCTION_LINEAR:
 994                         dpp_base->funcs->dpp_set_degamma(dpp_base,
 995                                         IPP_DEGAMMA_MODE_BYPASS);
 996                         break;
 997                 case TRANSFER_FUNCTION_PQ:
 998                         dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_USER_PWL);
 999                         cm_helper_translate_curve_to_degamma_hw_format(tf, &dpp_base->degamma_params);
1000                         dpp_base->funcs->dpp_program_degamma_pwl(dpp_base, &dpp_base->degamma_params);
1001                         result = true;
1002                         break;
1003                 default:
1004                         result = false;
1005                         break;
1006                 }
1007         } else if (tf->type == TF_TYPE_BYPASS)
1008                 dpp_base->funcs->dpp_set_degamma(dpp_base,
1009                                 IPP_DEGAMMA_MODE_BYPASS);
1010         else {
1011                 /*
1012                  * if we are here, we did not handle correctly.
1013                  * fix is required for this use case
1014                  */
1015                 BREAK_TO_DEBUGGER();
1016                 dpp_base->funcs->dpp_set_degamma(dpp_base,
1017                                 IPP_DEGAMMA_MODE_BYPASS);
1018         }
1019
1020         return result;
1021 }
1022
1023 void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1024 {
1025         struct pipe_ctx *odm_pipe;
1026         int opp_cnt = 1;
1027         int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
1028
1029         for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1030                 opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
1031                 opp_cnt++;
1032         }
1033
1034         if (opp_cnt > 1)
1035                 pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1036                                 pipe_ctx->stream_res.tg,
1037                                 opp_inst, opp_cnt,
1038                                 &pipe_ctx->stream->timing);
1039         else
1040                 pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1041                                 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1042 }
1043
1044 void dcn20_blank_pixel_data(
1045                 struct dc *dc,
1046                 struct pipe_ctx *pipe_ctx,
1047                 bool blank)
1048 {
1049         struct tg_color black_color = {0};
1050         struct stream_resource *stream_res = &pipe_ctx->stream_res;
1051         struct dc_stream_state *stream = pipe_ctx->stream;
1052         enum dc_color_space color_space = stream->output_color_space;
1053         enum controller_dp_test_pattern test_pattern = CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR;
1054         enum controller_dp_color_space test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_UDEFINED;
1055         struct pipe_ctx *odm_pipe;
1056         int odm_cnt = 1;
1057         int h_active = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
1058         int v_active = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
1059         int odm_slice_width, last_odm_slice_width, offset = 0;
1060
1061         if (stream->link->test_pattern_enabled)
1062                 return;
1063
1064         /* get opp dpg blank color */
1065         color_space_to_black_color(dc, color_space, &black_color);
1066
1067         for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1068                 odm_cnt++;
1069         odm_slice_width = h_active / odm_cnt;
1070         last_odm_slice_width = h_active - odm_slice_width * (odm_cnt - 1);
1071
1072         if (blank) {
1073                 dc->hwss.set_abm_immediate_disable(pipe_ctx);
1074
1075                 if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
1076                         test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
1077                         test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_RGB;
1078                 }
1079         } else {
1080                 test_pattern = CONTROLLER_DP_TEST_PATTERN_VIDEOMODE;
1081         }
1082
1083         odm_pipe = pipe_ctx;
1084
1085         while (odm_pipe->next_odm_pipe) {
1086                 dc->hwss.set_disp_pattern_generator(dc,
1087                                 odm_pipe,
1088                                 test_pattern,
1089                                 test_pattern_color_space,
1090                                 stream->timing.display_color_depth,
1091                                 &black_color,
1092                                 odm_slice_width,
1093                                 v_active,
1094                                 offset);
1095                 offset += odm_slice_width;
1096                 odm_pipe = odm_pipe->next_odm_pipe;
1097         }
1098
1099         dc->hwss.set_disp_pattern_generator(dc,
1100                         odm_pipe,
1101                         test_pattern,
1102                         test_pattern_color_space,
1103                         stream->timing.display_color_depth,
1104                         &black_color,
1105                         last_odm_slice_width,
1106                         v_active,
1107                         offset);
1108
1109         if (!blank)
1110                 if (stream_res->abm) {
1111                         dc->hwss.set_pipe(pipe_ctx);
1112                         stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
1113                 }
1114 }
1115
1116
1117 static void dcn20_power_on_plane_resources(
1118         struct dce_hwseq *hws,
1119         struct pipe_ctx *pipe_ctx)
1120 {
1121         DC_LOGGER_INIT(hws->ctx->logger);
1122
1123         if (hws->funcs.dpp_root_clock_control)
1124                 hws->funcs.dpp_root_clock_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1125
1126         if (REG(DC_IP_REQUEST_CNTL)) {
1127                 REG_SET(DC_IP_REQUEST_CNTL, 0,
1128                                 IP_REQUEST_EN, 1);
1129
1130                 if (hws->funcs.dpp_pg_control)
1131                         hws->funcs.dpp_pg_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1132
1133                 if (hws->funcs.hubp_pg_control)
1134                         hws->funcs.hubp_pg_control(hws, pipe_ctx->plane_res.hubp->inst, true);
1135
1136                 REG_SET(DC_IP_REQUEST_CNTL, 0,
1137                                 IP_REQUEST_EN, 0);
1138                 DC_LOG_DEBUG(
1139                                 "Un-gated front end for pipe %d\n", pipe_ctx->plane_res.hubp->inst);
1140         }
1141 }
1142
1143 static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
1144                                struct dc_state *context)
1145 {
1146         //if (dc->debug.sanity_checks) {
1147         //      dcn10_verify_allow_pstate_change_high(dc);
1148         //}
1149         dcn20_power_on_plane_resources(dc->hwseq, pipe_ctx);
1150
1151         /* enable DCFCLK current DCHUB */
1152         pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
1153
1154         /* initialize HUBP on power up */
1155         pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
1156
1157         /* make sure OPP_PIPE_CLOCK_EN = 1 */
1158         pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
1159                         pipe_ctx->stream_res.opp,
1160                         true);
1161
1162 /* TODO: enable/disable in dm as per update type.
1163         if (plane_state) {
1164                 DC_LOG_DC(dc->ctx->logger,
1165                                 "Pipe:%d 0x%x: addr hi:0x%x, "
1166                                 "addr low:0x%x, "
1167                                 "src: %d, %d, %d,"
1168                                 " %d; dst: %d, %d, %d, %d;\n",
1169                                 pipe_ctx->pipe_idx,
1170                                 plane_state,
1171                                 plane_state->address.grph.addr.high_part,
1172                                 plane_state->address.grph.addr.low_part,
1173                                 plane_state->src_rect.x,
1174                                 plane_state->src_rect.y,
1175                                 plane_state->src_rect.width,
1176                                 plane_state->src_rect.height,
1177                                 plane_state->dst_rect.x,
1178                                 plane_state->dst_rect.y,
1179                                 plane_state->dst_rect.width,
1180                                 plane_state->dst_rect.height);
1181
1182                 DC_LOG_DC(dc->ctx->logger,
1183                                 "Pipe %d: width, height, x, y         format:%d\n"
1184                                 "viewport:%d, %d, %d, %d\n"
1185                                 "recout:  %d, %d, %d, %d\n",
1186                                 pipe_ctx->pipe_idx,
1187                                 plane_state->format,
1188                                 pipe_ctx->plane_res.scl_data.viewport.width,
1189                                 pipe_ctx->plane_res.scl_data.viewport.height,
1190                                 pipe_ctx->plane_res.scl_data.viewport.x,
1191                                 pipe_ctx->plane_res.scl_data.viewport.y,
1192                                 pipe_ctx->plane_res.scl_data.recout.width,
1193                                 pipe_ctx->plane_res.scl_data.recout.height,
1194                                 pipe_ctx->plane_res.scl_data.recout.x,
1195                                 pipe_ctx->plane_res.scl_data.recout.y);
1196                 print_rq_dlg_ttu(dc, pipe_ctx);
1197         }
1198 */
1199         if (dc->vm_pa_config.valid) {
1200                 struct vm_system_aperture_param apt;
1201
1202                 apt.sys_default.quad_part = 0;
1203
1204                 apt.sys_low.quad_part = dc->vm_pa_config.system_aperture.start_addr;
1205                 apt.sys_high.quad_part = dc->vm_pa_config.system_aperture.end_addr;
1206
1207                 // Program system aperture settings
1208                 pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
1209         }
1210
1211         if (!pipe_ctx->top_pipe
1212                 && pipe_ctx->plane_state
1213                 && pipe_ctx->plane_state->flip_int_enabled
1214                 && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int)
1215                         pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int(pipe_ctx->plane_res.hubp);
1216
1217 //      if (dc->debug.sanity_checks) {
1218 //              dcn10_verify_allow_pstate_change_high(dc);
1219 //      }
1220 }
1221
1222 void dcn20_pipe_control_lock(
1223         struct dc *dc,
1224         struct pipe_ctx *pipe,
1225         bool lock)
1226 {
1227         struct pipe_ctx *temp_pipe;
1228         bool flip_immediate = false;
1229
1230         /* use TG master update lock to lock everything on the TG
1231          * therefore only top pipe need to lock
1232          */
1233         if (!pipe || pipe->top_pipe)
1234                 return;
1235
1236         if (pipe->plane_state != NULL)
1237                 flip_immediate = pipe->plane_state->flip_immediate;
1238
1239         if  (pipe->stream_res.gsl_group > 0) {
1240             temp_pipe = pipe->bottom_pipe;
1241             while (!flip_immediate && temp_pipe) {
1242                     if (temp_pipe->plane_state != NULL)
1243                             flip_immediate = temp_pipe->plane_state->flip_immediate;
1244                     temp_pipe = temp_pipe->bottom_pipe;
1245             }
1246         }
1247
1248         if (flip_immediate && lock) {
1249                 const int TIMEOUT_FOR_FLIP_PENDING_US = 100000;
1250                 unsigned int polling_interval_us = 1;
1251                 int i;
1252
1253                 temp_pipe = pipe;
1254                 while (temp_pipe) {
1255                         if (temp_pipe->plane_state && temp_pipe->plane_state->flip_immediate) {
1256                                 for (i = 0; i < TIMEOUT_FOR_FLIP_PENDING_US / polling_interval_us; ++i) {
1257                                         if (!temp_pipe->plane_res.hubp->funcs->hubp_is_flip_pending(temp_pipe->plane_res.hubp))
1258                                                 break;
1259                                         udelay(polling_interval_us);
1260                                 }
1261
1262                                 /* no reason it should take this long for immediate flips */
1263                                 ASSERT(i != TIMEOUT_FOR_FLIP_PENDING_US);
1264                         }
1265                         temp_pipe = temp_pipe->bottom_pipe;
1266                 }
1267         }
1268
1269         /* In flip immediate and pipe splitting case, we need to use GSL
1270          * for synchronization. Only do setup on locking and on flip type change.
1271          */
1272         if (lock && (pipe->bottom_pipe != NULL || !flip_immediate))
1273                 if ((flip_immediate && pipe->stream_res.gsl_group == 0) ||
1274                     (!flip_immediate && pipe->stream_res.gsl_group > 0))
1275                         dcn20_setup_gsl_group_as_lock(dc, pipe, flip_immediate);
1276
1277         if (pipe->plane_state != NULL)
1278                 flip_immediate = pipe->plane_state->flip_immediate;
1279
1280         temp_pipe = pipe->bottom_pipe;
1281         while (flip_immediate && temp_pipe) {
1282             if (temp_pipe->plane_state != NULL)
1283                 flip_immediate = temp_pipe->plane_state->flip_immediate;
1284             temp_pipe = temp_pipe->bottom_pipe;
1285         }
1286
1287         if (!lock && pipe->stream_res.gsl_group > 0 && pipe->plane_state &&
1288                 !flip_immediate)
1289             dcn20_setup_gsl_group_as_lock(dc, pipe, false);
1290
1291         if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) {
1292                 union dmub_hw_lock_flags hw_locks = { 0 };
1293                 struct dmub_hw_lock_inst_flags inst_flags = { 0 };
1294
1295                 hw_locks.bits.lock_pipe = 1;
1296                 inst_flags.otg_inst =  pipe->stream_res.tg->inst;
1297
1298                 if (pipe->plane_state != NULL)
1299                         hw_locks.bits.triple_buffer_lock = pipe->plane_state->triplebuffer_flips;
1300
1301                 dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv,
1302                                         lock,
1303                                         &hw_locks,
1304                                         &inst_flags);
1305         } else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
1306                 if (lock)
1307                         pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
1308                 else
1309                         pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
1310         } else {
1311                 if (lock)
1312                         pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
1313                 else
1314                         pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
1315         }
1316 }
1317
1318 static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx *new_pipe)
1319 {
1320         new_pipe->update_flags.raw = 0;
1321
1322         /* If non-phantom pipe is being transitioned to a phantom pipe,
1323          * set disable and return immediately. This is because the pipe
1324          * that was previously in use must be fully disabled before we
1325          * can "enable" it as a phantom pipe (since the OTG will certainly
1326          * be different). The post_unlock sequence will set the correct
1327          * update flags to enable the phantom pipe.
1328          */
1329         if (old_pipe->plane_state && !old_pipe->plane_state->is_phantom &&
1330                         new_pipe->plane_state && new_pipe->plane_state->is_phantom) {
1331                 new_pipe->update_flags.bits.disable = 1;
1332                 return;
1333         }
1334
1335         /* Exit on unchanged, unused pipe */
1336         if (!old_pipe->plane_state && !new_pipe->plane_state)
1337                 return;
1338         /* Detect pipe enable/disable */
1339         if (!old_pipe->plane_state && new_pipe->plane_state) {
1340                 new_pipe->update_flags.bits.enable = 1;
1341                 new_pipe->update_flags.bits.mpcc = 1;
1342                 new_pipe->update_flags.bits.dppclk = 1;
1343                 new_pipe->update_flags.bits.hubp_interdependent = 1;
1344                 new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1345                 new_pipe->update_flags.bits.unbounded_req = 1;
1346                 new_pipe->update_flags.bits.gamut_remap = 1;
1347                 new_pipe->update_flags.bits.scaler = 1;
1348                 new_pipe->update_flags.bits.viewport = 1;
1349                 new_pipe->update_flags.bits.det_size = 1;
1350                 if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1351                         new_pipe->update_flags.bits.odm = 1;
1352                         new_pipe->update_flags.bits.global_sync = 1;
1353                 }
1354                 return;
1355         }
1356
1357         /* For SubVP we need to unconditionally enable because any phantom pipes are
1358          * always removed then newly added for every full updates whenever SubVP is in use.
1359          * The remove-add sequence of the phantom pipe always results in the pipe
1360          * being blanked in enable_stream_timing (DPG).
1361          */
1362         if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)
1363                 new_pipe->update_flags.bits.enable = 1;
1364
1365         /* Phantom pipes are effectively disabled, if the pipe was previously phantom
1366          * we have to enable
1367          */
1368         if (old_pipe->plane_state && old_pipe->plane_state->is_phantom &&
1369                         new_pipe->plane_state && !new_pipe->plane_state->is_phantom)
1370                 new_pipe->update_flags.bits.enable = 1;
1371
1372         if (old_pipe->plane_state && !new_pipe->plane_state) {
1373                 new_pipe->update_flags.bits.disable = 1;
1374                 return;
1375         }
1376
1377         /* Detect plane change */
1378         if (old_pipe->plane_state != new_pipe->plane_state) {
1379                 new_pipe->update_flags.bits.plane_changed = true;
1380         }
1381
1382         /* Detect top pipe only changes */
1383         if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1384                 /* Detect odm changes */
1385                 if ((old_pipe->next_odm_pipe && new_pipe->next_odm_pipe
1386                         && old_pipe->next_odm_pipe->pipe_idx != new_pipe->next_odm_pipe->pipe_idx)
1387                                 || (!old_pipe->next_odm_pipe && new_pipe->next_odm_pipe)
1388                                 || (old_pipe->next_odm_pipe && !new_pipe->next_odm_pipe)
1389                                 || old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1390                         new_pipe->update_flags.bits.odm = 1;
1391
1392                 /* Detect global sync changes */
1393                 if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
1394                                 || old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
1395                                 || old_pipe->pipe_dlg_param.vupdate_offset != new_pipe->pipe_dlg_param.vupdate_offset
1396                                 || old_pipe->pipe_dlg_param.vupdate_width != new_pipe->pipe_dlg_param.vupdate_width)
1397                         new_pipe->update_flags.bits.global_sync = 1;
1398         }
1399
1400         if (old_pipe->det_buffer_size_kb != new_pipe->det_buffer_size_kb)
1401                 new_pipe->update_flags.bits.det_size = 1;
1402
1403         /*
1404          * Detect opp / tg change, only set on change, not on enable
1405          * Assume mpcc inst = pipe index, if not this code needs to be updated
1406          * since mpcc is what is affected by these. In fact all of our sequence
1407          * makes this assumption at the moment with how hubp reset is matched to
1408          * same index mpcc reset.
1409          */
1410         if (old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1411                 new_pipe->update_flags.bits.opp_changed = 1;
1412         if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
1413                 new_pipe->update_flags.bits.tg_changed = 1;
1414
1415         /*
1416          * Detect mpcc blending changes, only dpp inst and opp matter here,
1417          * mpccs getting removed/inserted update connected ones during their own
1418          * programming
1419          */
1420         if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
1421                         || old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1422                 new_pipe->update_flags.bits.mpcc = 1;
1423
1424         /* Detect dppclk change */
1425         if (old_pipe->plane_res.bw.dppclk_khz != new_pipe->plane_res.bw.dppclk_khz)
1426                 new_pipe->update_flags.bits.dppclk = 1;
1427
1428         /* Check for scl update */
1429         if (memcmp(&old_pipe->plane_res.scl_data, &new_pipe->plane_res.scl_data, sizeof(struct scaler_data)))
1430                         new_pipe->update_flags.bits.scaler = 1;
1431         /* Check for vp update */
1432         if (memcmp(&old_pipe->plane_res.scl_data.viewport, &new_pipe->plane_res.scl_data.viewport, sizeof(struct rect))
1433                         || memcmp(&old_pipe->plane_res.scl_data.viewport_c,
1434                                 &new_pipe->plane_res.scl_data.viewport_c, sizeof(struct rect)))
1435                 new_pipe->update_flags.bits.viewport = 1;
1436
1437         /* Detect dlg/ttu/rq updates */
1438         {
1439                 struct _vcs_dpi_display_dlg_regs_st old_dlg_attr = old_pipe->dlg_regs;
1440                 struct _vcs_dpi_display_ttu_regs_st old_ttu_attr = old_pipe->ttu_regs;
1441                 struct _vcs_dpi_display_dlg_regs_st *new_dlg_attr = &new_pipe->dlg_regs;
1442                 struct _vcs_dpi_display_ttu_regs_st *new_ttu_attr = &new_pipe->ttu_regs;
1443
1444                 /* Detect pipe interdependent updates */
1445                 if (old_dlg_attr.dst_y_prefetch != new_dlg_attr->dst_y_prefetch ||
1446                                 old_dlg_attr.vratio_prefetch != new_dlg_attr->vratio_prefetch ||
1447                                 old_dlg_attr.vratio_prefetch_c != new_dlg_attr->vratio_prefetch_c ||
1448                                 old_dlg_attr.dst_y_per_vm_vblank != new_dlg_attr->dst_y_per_vm_vblank ||
1449                                 old_dlg_attr.dst_y_per_row_vblank != new_dlg_attr->dst_y_per_row_vblank ||
1450                                 old_dlg_attr.dst_y_per_vm_flip != new_dlg_attr->dst_y_per_vm_flip ||
1451                                 old_dlg_attr.dst_y_per_row_flip != new_dlg_attr->dst_y_per_row_flip ||
1452                                 old_dlg_attr.refcyc_per_meta_chunk_vblank_l != new_dlg_attr->refcyc_per_meta_chunk_vblank_l ||
1453                                 old_dlg_attr.refcyc_per_meta_chunk_vblank_c != new_dlg_attr->refcyc_per_meta_chunk_vblank_c ||
1454                                 old_dlg_attr.refcyc_per_meta_chunk_flip_l != new_dlg_attr->refcyc_per_meta_chunk_flip_l ||
1455                                 old_dlg_attr.refcyc_per_line_delivery_pre_l != new_dlg_attr->refcyc_per_line_delivery_pre_l ||
1456                                 old_dlg_attr.refcyc_per_line_delivery_pre_c != new_dlg_attr->refcyc_per_line_delivery_pre_c ||
1457                                 old_ttu_attr.refcyc_per_req_delivery_pre_l != new_ttu_attr->refcyc_per_req_delivery_pre_l ||
1458                                 old_ttu_attr.refcyc_per_req_delivery_pre_c != new_ttu_attr->refcyc_per_req_delivery_pre_c ||
1459                                 old_ttu_attr.refcyc_per_req_delivery_pre_cur0 != new_ttu_attr->refcyc_per_req_delivery_pre_cur0 ||
1460                                 old_ttu_attr.refcyc_per_req_delivery_pre_cur1 != new_ttu_attr->refcyc_per_req_delivery_pre_cur1 ||
1461                                 old_ttu_attr.min_ttu_vblank != new_ttu_attr->min_ttu_vblank ||
1462                                 old_ttu_attr.qos_level_flip != new_ttu_attr->qos_level_flip) {
1463                         old_dlg_attr.dst_y_prefetch = new_dlg_attr->dst_y_prefetch;
1464                         old_dlg_attr.vratio_prefetch = new_dlg_attr->vratio_prefetch;
1465                         old_dlg_attr.vratio_prefetch_c = new_dlg_attr->vratio_prefetch_c;
1466                         old_dlg_attr.dst_y_per_vm_vblank = new_dlg_attr->dst_y_per_vm_vblank;
1467                         old_dlg_attr.dst_y_per_row_vblank = new_dlg_attr->dst_y_per_row_vblank;
1468                         old_dlg_attr.dst_y_per_vm_flip = new_dlg_attr->dst_y_per_vm_flip;
1469                         old_dlg_attr.dst_y_per_row_flip = new_dlg_attr->dst_y_per_row_flip;
1470                         old_dlg_attr.refcyc_per_meta_chunk_vblank_l = new_dlg_attr->refcyc_per_meta_chunk_vblank_l;
1471                         old_dlg_attr.refcyc_per_meta_chunk_vblank_c = new_dlg_attr->refcyc_per_meta_chunk_vblank_c;
1472                         old_dlg_attr.refcyc_per_meta_chunk_flip_l = new_dlg_attr->refcyc_per_meta_chunk_flip_l;
1473                         old_dlg_attr.refcyc_per_line_delivery_pre_l = new_dlg_attr->refcyc_per_line_delivery_pre_l;
1474                         old_dlg_attr.refcyc_per_line_delivery_pre_c = new_dlg_attr->refcyc_per_line_delivery_pre_c;
1475                         old_ttu_attr.refcyc_per_req_delivery_pre_l = new_ttu_attr->refcyc_per_req_delivery_pre_l;
1476                         old_ttu_attr.refcyc_per_req_delivery_pre_c = new_ttu_attr->refcyc_per_req_delivery_pre_c;
1477                         old_ttu_attr.refcyc_per_req_delivery_pre_cur0 = new_ttu_attr->refcyc_per_req_delivery_pre_cur0;
1478                         old_ttu_attr.refcyc_per_req_delivery_pre_cur1 = new_ttu_attr->refcyc_per_req_delivery_pre_cur1;
1479                         old_ttu_attr.min_ttu_vblank = new_ttu_attr->min_ttu_vblank;
1480                         old_ttu_attr.qos_level_flip = new_ttu_attr->qos_level_flip;
1481                         new_pipe->update_flags.bits.hubp_interdependent = 1;
1482                 }
1483                 /* Detect any other updates to ttu/rq/dlg */
1484                 if (memcmp(&old_dlg_attr, &new_pipe->dlg_regs, sizeof(old_dlg_attr)) ||
1485                                 memcmp(&old_ttu_attr, &new_pipe->ttu_regs, sizeof(old_ttu_attr)) ||
1486                                 memcmp(&old_pipe->rq_regs, &new_pipe->rq_regs, sizeof(old_pipe->rq_regs)))
1487                         new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1488         }
1489
1490         if (old_pipe->unbounded_req != new_pipe->unbounded_req)
1491                 new_pipe->update_flags.bits.unbounded_req = 1;
1492 }
1493
1494 static void dcn20_update_dchubp_dpp(
1495         struct dc *dc,
1496         struct pipe_ctx *pipe_ctx,
1497         struct dc_state *context)
1498 {
1499         struct dce_hwseq *hws = dc->hwseq;
1500         struct hubp *hubp = pipe_ctx->plane_res.hubp;
1501         struct dpp *dpp = pipe_ctx->plane_res.dpp;
1502         struct dc_plane_state *plane_state = pipe_ctx->plane_state;
1503         struct dccg *dccg = dc->res_pool->dccg;
1504         bool viewport_changed = false;
1505
1506         if (pipe_ctx->update_flags.bits.dppclk)
1507                 dpp->funcs->dpp_dppclk_control(dpp, false, true);
1508
1509         if (pipe_ctx->update_flags.bits.enable)
1510                 dccg->funcs->update_dpp_dto(dccg, dpp->inst, pipe_ctx->plane_res.bw.dppclk_khz);
1511
1512         /* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
1513          * VTG is within DCHUBBUB which is commond block share by each pipe HUBP.
1514          * VTG is 1:1 mapping with OTG. Each pipe HUBP will select which VTG
1515          */
1516         if (pipe_ctx->update_flags.bits.hubp_rq_dlg_ttu) {
1517                 hubp->funcs->hubp_vtg_sel(hubp, pipe_ctx->stream_res.tg->inst);
1518
1519                 hubp->funcs->hubp_setup(
1520                         hubp,
1521                         &pipe_ctx->dlg_regs,
1522                         &pipe_ctx->ttu_regs,
1523                         &pipe_ctx->rq_regs,
1524                         &pipe_ctx->pipe_dlg_param);
1525         }
1526
1527         if (pipe_ctx->update_flags.bits.unbounded_req && hubp->funcs->set_unbounded_requesting)
1528                 hubp->funcs->set_unbounded_requesting(hubp, pipe_ctx->unbounded_req);
1529
1530         if (pipe_ctx->update_flags.bits.hubp_interdependent)
1531                 hubp->funcs->hubp_setup_interdependent(
1532                         hubp,
1533                         &pipe_ctx->dlg_regs,
1534                         &pipe_ctx->ttu_regs);
1535
1536         if (pipe_ctx->update_flags.bits.enable ||
1537                         pipe_ctx->update_flags.bits.plane_changed ||
1538                         plane_state->update_flags.bits.bpp_change ||
1539                         plane_state->update_flags.bits.input_csc_change ||
1540                         plane_state->update_flags.bits.color_space_change ||
1541                         plane_state->update_flags.bits.coeff_reduction_change) {
1542                 struct dc_bias_and_scale bns_params = {0};
1543
1544                 // program the input csc
1545                 dpp->funcs->dpp_setup(dpp,
1546                                 plane_state->format,
1547                                 EXPANSION_MODE_ZERO,
1548                                 plane_state->input_csc_color_matrix,
1549                                 plane_state->color_space,
1550                                 NULL);
1551
1552                 if (dpp->funcs->dpp_program_bias_and_scale) {
1553                         //TODO :for CNVC set scale and bias registers if necessary
1554                         build_prescale_params(&bns_params, plane_state);
1555                         dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
1556                 }
1557         }
1558
1559         if (pipe_ctx->update_flags.bits.mpcc
1560                         || pipe_ctx->update_flags.bits.plane_changed
1561                         || plane_state->update_flags.bits.global_alpha_change
1562                         || plane_state->update_flags.bits.per_pixel_alpha_change) {
1563                 // MPCC inst is equal to pipe index in practice
1564                 hws->funcs.update_mpcc(dc, pipe_ctx);
1565         }
1566
1567         if (pipe_ctx->update_flags.bits.scaler ||
1568                         plane_state->update_flags.bits.scaling_change ||
1569                         plane_state->update_flags.bits.position_change ||
1570                         plane_state->update_flags.bits.per_pixel_alpha_change ||
1571                         pipe_ctx->stream->update_flags.bits.scaling) {
1572                 pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->plane_state->per_pixel_alpha;
1573                 ASSERT(pipe_ctx->plane_res.scl_data.lb_params.depth == LB_PIXEL_DEPTH_36BPP);
1574                 /* scaler configuration */
1575                 pipe_ctx->plane_res.dpp->funcs->dpp_set_scaler(
1576                                 pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data);
1577         }
1578
1579         if (pipe_ctx->update_flags.bits.viewport ||
1580                         (context == dc->current_state && plane_state->update_flags.bits.position_change) ||
1581                         (context == dc->current_state && plane_state->update_flags.bits.scaling_change) ||
1582                         (context == dc->current_state && pipe_ctx->stream->update_flags.bits.scaling)) {
1583
1584                 hubp->funcs->mem_program_viewport(
1585                         hubp,
1586                         &pipe_ctx->plane_res.scl_data.viewport,
1587                         &pipe_ctx->plane_res.scl_data.viewport_c);
1588                 viewport_changed = true;
1589         }
1590
1591         /* Any updates are handled in dc interface, just need to apply existing for plane enable */
1592         if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
1593                         pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
1594                         pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
1595                 dc->hwss.set_cursor_position(pipe_ctx);
1596                 dc->hwss.set_cursor_attribute(pipe_ctx);
1597
1598                 if (dc->hwss.set_cursor_sdr_white_level)
1599                         dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
1600         }
1601
1602         /* Any updates are handled in dc interface, just need
1603          * to apply existing for plane enable / opp change */
1604         if (pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed
1605                         || pipe_ctx->update_flags.bits.plane_changed
1606                         || pipe_ctx->stream->update_flags.bits.gamut_remap
1607                         || plane_state->update_flags.bits.gamut_remap_change
1608                         || pipe_ctx->stream->update_flags.bits.out_csc) {
1609                 /* dpp/cm gamut remap*/
1610                 dc->hwss.program_gamut_remap(pipe_ctx);
1611
1612                 /*call the dcn2 method which uses mpc csc*/
1613                 dc->hwss.program_output_csc(dc,
1614                                 pipe_ctx,
1615                                 pipe_ctx->stream->output_color_space,
1616                                 pipe_ctx->stream->csc_color_matrix.matrix,
1617                                 hubp->opp_id);
1618         }
1619
1620         if (pipe_ctx->update_flags.bits.enable ||
1621                         pipe_ctx->update_flags.bits.plane_changed ||
1622                         pipe_ctx->update_flags.bits.opp_changed ||
1623                         plane_state->update_flags.bits.pixel_format_change ||
1624                         plane_state->update_flags.bits.horizontal_mirror_change ||
1625                         plane_state->update_flags.bits.rotation_change ||
1626                         plane_state->update_flags.bits.swizzle_change ||
1627                         plane_state->update_flags.bits.dcc_change ||
1628                         plane_state->update_flags.bits.bpp_change ||
1629                         plane_state->update_flags.bits.scaling_change ||
1630                         plane_state->update_flags.bits.plane_size_change) {
1631                 struct plane_size size = plane_state->plane_size;
1632
1633                 size.surface_size = pipe_ctx->plane_res.scl_data.viewport;
1634                 hubp->funcs->hubp_program_surface_config(
1635                         hubp,
1636                         plane_state->format,
1637                         &plane_state->tiling_info,
1638                         &size,
1639                         plane_state->rotation,
1640                         &plane_state->dcc,
1641                         plane_state->horizontal_mirror,
1642                         0);
1643                 hubp->power_gated = false;
1644         }
1645
1646         if (pipe_ctx->update_flags.bits.enable ||
1647                 pipe_ctx->update_flags.bits.plane_changed ||
1648                 plane_state->update_flags.bits.addr_update)
1649                 hws->funcs.update_plane_addr(dc, pipe_ctx);
1650
1651         if (pipe_ctx->update_flags.bits.enable)
1652                 hubp->funcs->set_blank(hubp, false);
1653         /* If the stream paired with this plane is phantom, the plane is also phantom */
1654         if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM
1655                         && hubp->funcs->phantom_hubp_post_enable)
1656                 hubp->funcs->phantom_hubp_post_enable(hubp);
1657 }
1658
1659 static int calculate_vready_offset_for_group(struct pipe_ctx *pipe)
1660 {
1661         struct pipe_ctx *other_pipe;
1662         int vready_offset = pipe->pipe_dlg_param.vready_offset;
1663
1664         /* Always use the largest vready_offset of all connected pipes */
1665         for (other_pipe = pipe->bottom_pipe; other_pipe != NULL; other_pipe = other_pipe->bottom_pipe) {
1666                 if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1667                         vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1668         }
1669         for (other_pipe = pipe->top_pipe; other_pipe != NULL; other_pipe = other_pipe->top_pipe) {
1670                 if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1671                         vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1672         }
1673         for (other_pipe = pipe->next_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->next_odm_pipe) {
1674                 if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1675                         vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1676         }
1677         for (other_pipe = pipe->prev_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->prev_odm_pipe) {
1678                 if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1679                         vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1680         }
1681
1682         return vready_offset;
1683 }
1684
1685 static void dcn20_program_pipe(
1686                 struct dc *dc,
1687                 struct pipe_ctx *pipe_ctx,
1688                 struct dc_state *context)
1689 {
1690         struct dce_hwseq *hws = dc->hwseq;
1691
1692         /* Only need to unblank on top pipe */
1693         if (resource_is_pipe_type(pipe_ctx, OTG_MASTER)) {
1694                 if (pipe_ctx->update_flags.bits.enable ||
1695                                 pipe_ctx->update_flags.bits.odm ||
1696                                 pipe_ctx->stream->update_flags.bits.abm_level)
1697                         hws->funcs.blank_pixel_data(dc, pipe_ctx,
1698                                         !pipe_ctx->plane_state ||
1699                                         !pipe_ctx->plane_state->visible);
1700         }
1701
1702         /* Only update TG on top pipe */
1703         if (pipe_ctx->update_flags.bits.global_sync && !pipe_ctx->top_pipe
1704                         && !pipe_ctx->prev_odm_pipe) {
1705                 pipe_ctx->stream_res.tg->funcs->program_global_sync(
1706                                 pipe_ctx->stream_res.tg,
1707                                 calculate_vready_offset_for_group(pipe_ctx),
1708                                 pipe_ctx->pipe_dlg_param.vstartup_start,
1709                                 pipe_ctx->pipe_dlg_param.vupdate_offset,
1710                                 pipe_ctx->pipe_dlg_param.vupdate_width);
1711
1712                 if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM)
1713                         pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
1714
1715                 pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1716                                 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);
1717
1718                 if (hws->funcs.setup_vupdate_interrupt)
1719                         hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1720         }
1721
1722         if (pipe_ctx->update_flags.bits.odm)
1723                 hws->funcs.update_odm(dc, context, pipe_ctx);
1724
1725         if (pipe_ctx->update_flags.bits.enable) {
1726                 dcn20_enable_plane(dc, pipe_ctx, context);
1727                 if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
1728                         dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
1729         }
1730
1731         if (dc->res_pool->hubbub->funcs->program_det_size && pipe_ctx->update_flags.bits.det_size)
1732                 dc->res_pool->hubbub->funcs->program_det_size(
1733                         dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->det_buffer_size_kb);
1734
1735         if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
1736                 dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
1737
1738         if (pipe_ctx->update_flags.bits.enable
1739                         || pipe_ctx->plane_state->update_flags.bits.hdr_mult)
1740                 hws->funcs.set_hdr_multiplier(pipe_ctx);
1741
1742         if (pipe_ctx->update_flags.bits.enable ||
1743             pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
1744             pipe_ctx->plane_state->update_flags.bits.gamma_change ||
1745             pipe_ctx->plane_state->update_flags.bits.lut_3d)
1746                 hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
1747
1748         /* dcn10_translate_regamma_to_hw_format takes 750us to finish
1749          * only do gamma programming for powering on, internal memcmp to avoid
1750          * updating on slave planes
1751          */
1752         if (pipe_ctx->update_flags.bits.enable ||
1753                         pipe_ctx->update_flags.bits.plane_changed ||
1754                         pipe_ctx->stream->update_flags.bits.out_tf ||
1755                         pipe_ctx->plane_state->update_flags.bits.output_tf_change)
1756                 hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
1757
1758         /* If the pipe has been enabled or has a different opp, we
1759          * should reprogram the fmt. This deals with cases where
1760          * interation between mpc and odm combine on different streams
1761          * causes a different pipe to be chosen to odm combine with.
1762          */
1763         if (pipe_ctx->update_flags.bits.enable
1764             || pipe_ctx->update_flags.bits.opp_changed) {
1765
1766                 pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
1767                         pipe_ctx->stream_res.opp,
1768                         COLOR_SPACE_YCBCR601,
1769                         pipe_ctx->stream->timing.display_color_depth,
1770                         pipe_ctx->stream->signal);
1771
1772                 pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
1773                         pipe_ctx->stream_res.opp,
1774                         &pipe_ctx->stream->bit_depth_params,
1775                         &pipe_ctx->stream->clamping);
1776         }
1777
1778         /* Set ABM pipe after other pipe configurations done */
1779         if (pipe_ctx->plane_state->visible) {
1780                 if (pipe_ctx->stream_res.abm) {
1781                         dc->hwss.set_pipe(pipe_ctx);
1782                         pipe_ctx->stream_res.abm->funcs->set_abm_level(pipe_ctx->stream_res.abm,
1783                                 pipe_ctx->stream->abm_level);
1784                 }
1785         }
1786 }
1787
1788 void dcn20_program_front_end_for_ctx(
1789                 struct dc *dc,
1790                 struct dc_state *context)
1791 {
1792         int i;
1793         struct dce_hwseq *hws = dc->hwseq;
1794         DC_LOGGER_INIT(dc->ctx->logger);
1795
1796         /* Carry over GSL groups in case the context is changing. */
1797         for (i = 0; i < dc->res_pool->pipe_count; i++) {
1798                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1799                 struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1800
1801                 if (pipe_ctx->stream == old_pipe_ctx->stream)
1802                         pipe_ctx->stream_res.gsl_group = old_pipe_ctx->stream_res.gsl_group;
1803         }
1804
1805         if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
1806                 for (i = 0; i < dc->res_pool->pipe_count; i++) {
1807                         struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1808
1809                         if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
1810                                 ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
1811                                 /*turn off triple buffer for full update*/
1812                                 dc->hwss.program_triplebuffer(
1813                                                 dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
1814                         }
1815                 }
1816         }
1817
1818         /* Set pipe update flags and lock pipes */
1819         for (i = 0; i < dc->res_pool->pipe_count; i++)
1820                 dcn20_detect_pipe_changes(&dc->current_state->res_ctx.pipe_ctx[i],
1821                                 &context->res_ctx.pipe_ctx[i]);
1822
1823         /* When disabling phantom pipes, turn on phantom OTG first (so we can get double
1824          * buffer updates properly)
1825          */
1826         for (i = 0; i < dc->res_pool->pipe_count; i++) {
1827                 struct dc_stream_state *stream = dc->current_state->res_ctx.pipe_ctx[i].stream;
1828
1829                 if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable && stream &&
1830                         dc->current_state->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
1831                         struct timing_generator *tg = dc->current_state->res_ctx.pipe_ctx[i].stream_res.tg;
1832
1833                         if (tg->funcs->enable_crtc)
1834                                 tg->funcs->enable_crtc(tg);
1835                 }
1836         }
1837         /* OTG blank before disabling all front ends */
1838         for (i = 0; i < dc->res_pool->pipe_count; i++)
1839                 if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1840                                 && !context->res_ctx.pipe_ctx[i].top_pipe
1841                                 && !context->res_ctx.pipe_ctx[i].prev_odm_pipe
1842                                 && context->res_ctx.pipe_ctx[i].stream)
1843                         hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true);
1844
1845
1846         /* Disconnect mpcc */
1847         for (i = 0; i < dc->res_pool->pipe_count; i++)
1848                 if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1849                                 || context->res_ctx.pipe_ctx[i].update_flags.bits.opp_changed) {
1850                         struct hubbub *hubbub = dc->res_pool->hubbub;
1851
1852                         /* Phantom pipe DET should be 0, but if a pipe in use is being transitioned to phantom
1853                          * then we want to do the programming here (effectively it's being disabled). If we do
1854                          * the programming later the DET won't be updated until the OTG for the phantom pipe is
1855                          * turned on (i.e. in an MCLK switch) which can come in too late and cause issues with
1856                          * DET allocation.
1857                          */
1858                         if (hubbub->funcs->program_det_size && (context->res_ctx.pipe_ctx[i].update_flags.bits.disable ||
1859                                         (context->res_ctx.pipe_ctx[i].plane_state && context->res_ctx.pipe_ctx[i].plane_state->is_phantom)))
1860                                 hubbub->funcs->program_det_size(hubbub, dc->current_state->res_ctx.pipe_ctx[i].plane_res.hubp->inst, 0);
1861                         hws->funcs.plane_atomic_disconnect(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1862                         DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
1863                 }
1864
1865         /*
1866          * Program all updated pipes, order matters for mpcc setup. Start with
1867          * top pipe and program all pipes that follow in order
1868          */
1869         for (i = 0; i < dc->res_pool->pipe_count; i++) {
1870                 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1871
1872                 if (pipe->plane_state && !pipe->top_pipe) {
1873                         while (pipe) {
1874                                 if (hws->funcs.program_pipe)
1875                                         hws->funcs.program_pipe(dc, pipe, context);
1876                                 else {
1877                                         /* Don't program phantom pipes in the regular front end programming sequence.
1878                                          * There is an MPO transition case where a pipe being used by a video plane is
1879                                          * transitioned directly to be a phantom pipe when closing the MPO video. However
1880                                          * the phantom pipe will program a new HUBP_VTG_SEL (update takes place right away),
1881                                          * but the MPO still exists until the double buffered update of the main pipe so we
1882                                          * will get a frame of underflow if the phantom pipe is programmed here.
1883                                          */
1884                                         if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_PHANTOM)
1885                                                 dcn20_program_pipe(dc, pipe, context);
1886                                 }
1887
1888                                 pipe = pipe->bottom_pipe;
1889                         }
1890                 }
1891                 /* Program secondary blending tree and writeback pipes */
1892                 pipe = &context->res_ctx.pipe_ctx[i];
1893                 if (!pipe->top_pipe && !pipe->prev_odm_pipe
1894                                 && pipe->stream && pipe->stream->num_wb_info > 0
1895                                 && (pipe->update_flags.raw || (pipe->plane_state && pipe->plane_state->update_flags.raw)
1896                                         || pipe->stream->update_flags.raw)
1897                                 && hws->funcs.program_all_writeback_pipes_in_tree)
1898                         hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context);
1899
1900                 /* Avoid underflow by check of pipe line read when adding 2nd plane. */
1901                 if (hws->wa.wait_hubpret_read_start_during_mpo_transition &&
1902                         !pipe->top_pipe &&
1903                         pipe->stream &&
1904                         pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start &&
1905                         dc->current_state->stream_status[0].plane_count == 1 &&
1906                         context->stream_status[0].plane_count > 1) {
1907                         pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
1908                 }
1909
1910                 /* when dynamic ODM is active, pipes must be reconfigured when all planes are
1911                  * disabled, as some transitions will leave software and hardware state
1912                  * mismatched.
1913                  */
1914                 if (dc->debug.enable_single_display_2to1_odm_policy &&
1915                         pipe->stream &&
1916                         pipe->update_flags.bits.disable &&
1917                         !pipe->prev_odm_pipe &&
1918                         hws->funcs.update_odm)
1919                         hws->funcs.update_odm(dc, context, pipe);
1920         }
1921 }
1922
1923 void dcn20_post_unlock_program_front_end(
1924                 struct dc *dc,
1925                 struct dc_state *context)
1926 {
1927         int i;
1928         const unsigned int TIMEOUT_FOR_PIPE_ENABLE_US = 100000;
1929         unsigned int polling_interval_us = 1;
1930         struct dce_hwseq *hwseq = dc->hwseq;
1931
1932         DC_LOGGER_INIT(dc->ctx->logger);
1933
1934         for (i = 0; i < dc->res_pool->pipe_count; i++)
1935                 if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1936                         dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1937
1938         /*
1939          * If we are enabling a pipe, we need to wait for pending clear as this is a critical
1940          * part of the enable operation otherwise, DM may request an immediate flip which
1941          * will cause HW to perform an "immediate enable" (as opposed to "vsync enable") which
1942          * is unsupported on DCN.
1943          */
1944         for (i = 0; i < dc->res_pool->pipe_count; i++) {
1945                 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1946                 // Don't check flip pending on phantom pipes
1947                 if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable &&
1948                                 pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1949                         struct hubp *hubp = pipe->plane_res.hubp;
1950                         int j = 0;
1951                         for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_US / polling_interval_us
1952                                         && hubp->funcs->hubp_is_flip_pending(hubp); j++)
1953                                 udelay(polling_interval_us);
1954                 }
1955         }
1956
1957         for (i = 0; i < dc->res_pool->pipe_count; i++) {
1958                 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1959
1960                 if (pipe->plane_state && !pipe->top_pipe) {
1961                         /* Program phantom pipe here to prevent a frame of underflow in the MPO transition
1962                          * case (if a pipe being used for a video plane transitions to a phantom pipe, it
1963                          * can underflow due to HUBP_VTG_SEL programming if done in the regular front end
1964                          * programming sequence).
1965                          */
1966                         while (pipe) {
1967                                 if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1968                                         /* When turning on the phantom pipe we want to run through the
1969                                          * entire enable sequence, so apply all the "enable" flags.
1970                                          */
1971                                         if (dc->hwss.apply_update_flags_for_phantom)
1972                                                 dc->hwss.apply_update_flags_for_phantom(pipe);
1973                                         if (dc->hwss.update_phantom_vp_position)
1974                                                 dc->hwss.update_phantom_vp_position(dc, context, pipe);
1975                                         dcn20_program_pipe(dc, pipe, context);
1976                                 }
1977                                 pipe = pipe->bottom_pipe;
1978                         }
1979                 }
1980         }
1981
1982         /* P-State support transitions:
1983          * Natural -> FPO:              P-State disabled in prepare, force disallow anytime is safe
1984          * FPO -> Natural:              Unforce anytime after FW disable is safe (P-State will assert naturally)
1985          * Unsupported -> FPO:  P-State enabled in optimize, force disallow anytime is safe
1986          * FPO -> Unsupported:  P-State disabled in prepare, unforce disallow anytime is safe
1987          * FPO <-> SubVP:               Force disallow is maintained on the FPO / SubVP pipes
1988          */
1989         if (hwseq && hwseq->funcs.update_force_pstate)
1990                 dc->hwseq->funcs.update_force_pstate(dc, context);
1991
1992         /* Only program the MALL registers after all the main and phantom pipes
1993          * are done programming.
1994          */
1995         if (hwseq->funcs.program_mall_pipe_config)
1996                 hwseq->funcs.program_mall_pipe_config(dc, context);
1997
1998         /* WA to apply WM setting*/
1999         if (hwseq->wa.DEGVIDCN21)
2000                 dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
2001
2002
2003         /* WA for stutter underflow during MPO transitions when adding 2nd plane */
2004         if (hwseq->wa.disallow_self_refresh_during_multi_plane_transition) {
2005
2006                 if (dc->current_state->stream_status[0].plane_count == 1 &&
2007                                 context->stream_status[0].plane_count > 1) {
2008
2009                         struct timing_generator *tg = dc->res_pool->timing_generators[0];
2010
2011                         dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, false);
2012
2013                         hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied = true;
2014                         hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied_on_frame = tg->funcs->get_frame_count(tg);
2015                 }
2016         }
2017 }
2018
2019 void dcn20_prepare_bandwidth(
2020                 struct dc *dc,
2021                 struct dc_state *context)
2022 {
2023         struct hubbub *hubbub = dc->res_pool->hubbub;
2024         unsigned int compbuf_size_kb = 0;
2025         unsigned int cache_wm_a = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns;
2026         unsigned int i;
2027
2028         dc->clk_mgr->funcs->update_clocks(
2029                         dc->clk_mgr,
2030                         context,
2031                         false);
2032
2033         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2034                 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2035
2036                 // At optimize don't restore the original watermark value
2037                 if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
2038                         context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
2039                         break;
2040                 }
2041         }
2042
2043         /* program dchubbub watermarks:
2044          * For assigning wm_optimized_required, use |= operator since we don't want
2045          * to clear the value if the optimize has not happened yet
2046          */
2047         dc->wm_optimized_required |= hubbub->funcs->program_watermarks(hubbub,
2048                                         &context->bw_ctx.bw.dcn.watermarks,
2049                                         dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2050                                         false);
2051
2052         // Restore the real watermark so we can commit the value to DMCUB
2053         // DMCUB uses the "original" watermark value in SubVP MCLK switch
2054         context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = cache_wm_a;
2055
2056         /* decrease compbuf size */
2057         if (hubbub->funcs->program_compbuf_size) {
2058                 if (context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes) {
2059                         compbuf_size_kb = context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes;
2060                         dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.dml.ip.min_comp_buffer_size_kbytes);
2061                 } else {
2062                         compbuf_size_kb = context->bw_ctx.bw.dcn.compbuf_size_kb;
2063                         dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.bw.dcn.compbuf_size_kb);
2064                 }
2065
2066                 hubbub->funcs->program_compbuf_size(hubbub, compbuf_size_kb, false);
2067         }
2068 }
2069
2070 void dcn20_optimize_bandwidth(
2071                 struct dc *dc,
2072                 struct dc_state *context)
2073 {
2074         struct hubbub *hubbub = dc->res_pool->hubbub;
2075         int i;
2076
2077         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2078                 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2079
2080                 // At optimize don't need  to restore the original watermark value
2081                 if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
2082                         context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
2083                         break;
2084                 }
2085         }
2086
2087         /* program dchubbub watermarks */
2088         hubbub->funcs->program_watermarks(hubbub,
2089                                         &context->bw_ctx.bw.dcn.watermarks,
2090                                         dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2091                                         true);
2092
2093         if (dc->clk_mgr->dc_mode_softmax_enabled)
2094                 if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
2095                                 context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
2096                         dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
2097
2098         /* increase compbuf size */
2099         if (hubbub->funcs->program_compbuf_size)
2100                 hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
2101
2102         if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
2103                 dc_dmub_srv_p_state_delegate(dc,
2104                         true, context);
2105                 context->bw_ctx.bw.dcn.clk.p_state_change_support = true;
2106                 dc->clk_mgr->clks.fw_based_mclk_switching = true;
2107         } else {
2108                 dc->clk_mgr->clks.fw_based_mclk_switching = false;
2109         }
2110
2111         dc->clk_mgr->funcs->update_clocks(
2112                         dc->clk_mgr,
2113                         context,
2114                         true);
2115         if (context->bw_ctx.bw.dcn.clk.zstate_support == DCN_ZSTATE_SUPPORT_ALLOW) {
2116                 for (i = 0; i < dc->res_pool->pipe_count; ++i) {
2117                         struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2118
2119                         if (pipe_ctx->stream && pipe_ctx->plane_res.hubp->funcs->program_extended_blank
2120                                 && pipe_ctx->stream->adjust.v_total_min == pipe_ctx->stream->adjust.v_total_max
2121                                 && pipe_ctx->stream->adjust.v_total_max > pipe_ctx->stream->timing.v_total)
2122                                         pipe_ctx->plane_res.hubp->funcs->program_extended_blank(pipe_ctx->plane_res.hubp,
2123                                                 pipe_ctx->dlg_regs.min_dst_y_next_start);
2124                 }
2125         }
2126 }
2127
2128 bool dcn20_update_bandwidth(
2129                 struct dc *dc,
2130                 struct dc_state *context)
2131 {
2132         int i;
2133         struct dce_hwseq *hws = dc->hwseq;
2134
2135         /* recalculate DML parameters */
2136         if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false))
2137                 return false;
2138
2139         /* apply updated bandwidth parameters */
2140         dc->hwss.prepare_bandwidth(dc, context);
2141
2142         /* update hubp configs for all pipes */
2143         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2144                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2145
2146                 if (pipe_ctx->plane_state == NULL)
2147                         continue;
2148
2149                 if (pipe_ctx->top_pipe == NULL) {
2150                         bool blank = !is_pipe_tree_visible(pipe_ctx);
2151
2152                         pipe_ctx->stream_res.tg->funcs->program_global_sync(
2153                                         pipe_ctx->stream_res.tg,
2154                                         calculate_vready_offset_for_group(pipe_ctx),
2155                                         pipe_ctx->pipe_dlg_param.vstartup_start,
2156                                         pipe_ctx->pipe_dlg_param.vupdate_offset,
2157                                         pipe_ctx->pipe_dlg_param.vupdate_width);
2158
2159                         pipe_ctx->stream_res.tg->funcs->set_vtg_params(
2160                                         pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);
2161
2162                         if (pipe_ctx->prev_odm_pipe == NULL)
2163                                 hws->funcs.blank_pixel_data(dc, pipe_ctx, blank);
2164
2165                         if (hws->funcs.setup_vupdate_interrupt)
2166                                 hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
2167                 }
2168
2169                 pipe_ctx->plane_res.hubp->funcs->hubp_setup(
2170                                 pipe_ctx->plane_res.hubp,
2171                                         &pipe_ctx->dlg_regs,
2172                                         &pipe_ctx->ttu_regs,
2173                                         &pipe_ctx->rq_regs,
2174                                         &pipe_ctx->pipe_dlg_param);
2175         }
2176
2177         return true;
2178 }
2179
2180 void dcn20_enable_writeback(
2181                 struct dc *dc,
2182                 struct dc_writeback_info *wb_info,
2183                 struct dc_state *context)
2184 {
2185         struct dwbc *dwb;
2186         struct mcif_wb *mcif_wb;
2187         struct timing_generator *optc;
2188
2189         ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
2190         ASSERT(wb_info->wb_enabled);
2191         dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
2192         mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
2193
2194         /* set the OPTC source mux */
2195         optc = dc->res_pool->timing_generators[dwb->otg_inst];
2196         optc->funcs->set_dwb_source(optc, wb_info->dwb_pipe_inst);
2197         /* set MCIF_WB buffer and arbitration configuration */
2198         mcif_wb->funcs->config_mcif_buf(mcif_wb, &wb_info->mcif_buf_params, wb_info->dwb_params.dest_height);
2199         mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
2200         /* Enable MCIF_WB */
2201         mcif_wb->funcs->enable_mcif(mcif_wb);
2202         /* Enable DWB */
2203         dwb->funcs->enable(dwb, &wb_info->dwb_params);
2204         /* TODO: add sequence to enable/disable warmup */
2205 }
2206
2207 void dcn20_disable_writeback(
2208                 struct dc *dc,
2209                 unsigned int dwb_pipe_inst)
2210 {
2211         struct dwbc *dwb;
2212         struct mcif_wb *mcif_wb;
2213
2214         ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
2215         dwb = dc->res_pool->dwbc[dwb_pipe_inst];
2216         mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
2217
2218         dwb->funcs->disable(dwb);
2219         mcif_wb->funcs->disable_mcif(mcif_wb);
2220 }
2221
2222 bool dcn20_wait_for_blank_complete(
2223                 struct output_pixel_processor *opp)
2224 {
2225         int counter;
2226
2227         for (counter = 0; counter < 1000; counter++) {
2228                 if (opp->funcs->dpg_is_blanked(opp))
2229                         break;
2230
2231                 udelay(100);
2232         }
2233
2234         if (counter == 1000) {
2235                 dm_error("DC: failed to blank crtc!\n");
2236                 return false;
2237         }
2238
2239         return true;
2240 }
2241
2242 bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
2243 {
2244         struct hubp *hubp = pipe_ctx->plane_res.hubp;
2245
2246         if (!hubp)
2247                 return false;
2248         return hubp->funcs->dmdata_status_done(hubp);
2249 }
2250
2251 void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2252 {
2253         struct dce_hwseq *hws = dc->hwseq;
2254
2255         if (pipe_ctx->stream_res.dsc) {
2256                 struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2257
2258                 hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, true);
2259                 while (odm_pipe) {
2260                         hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, true);
2261                         odm_pipe = odm_pipe->next_odm_pipe;
2262                 }
2263         }
2264 }
2265
2266 void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2267 {
2268         struct dce_hwseq *hws = dc->hwseq;
2269
2270         if (pipe_ctx->stream_res.dsc) {
2271                 struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2272
2273                 hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, false);
2274                 while (odm_pipe) {
2275                         hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, false);
2276                         odm_pipe = odm_pipe->next_odm_pipe;
2277                 }
2278         }
2279 }
2280
2281 void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
2282 {
2283         struct dc_dmdata_attributes attr = { 0 };
2284         struct hubp *hubp = pipe_ctx->plane_res.hubp;
2285
2286         attr.dmdata_mode = DMDATA_HW_MODE;
2287         attr.dmdata_size =
2288                 dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
2289         attr.address.quad_part =
2290                         pipe_ctx->stream->dmdata_address.quad_part;
2291         attr.dmdata_dl_delta = 0;
2292         attr.dmdata_qos_mode = 0;
2293         attr.dmdata_qos_level = 0;
2294         attr.dmdata_repeat = 1; /* always repeat */
2295         attr.dmdata_updated = 1;
2296         attr.dmdata_sw_data = NULL;
2297
2298         hubp->funcs->dmdata_set_attributes(hubp, &attr);
2299 }
2300
2301 void dcn20_init_vm_ctx(
2302                 struct dce_hwseq *hws,
2303                 struct dc *dc,
2304                 struct dc_virtual_addr_space_config *va_config,
2305                 int vmid)
2306 {
2307         struct dcn_hubbub_virt_addr_config config;
2308
2309         if (vmid == 0) {
2310                 ASSERT(0); /* VMID cannot be 0 for vm context */
2311                 return;
2312         }
2313
2314         config.page_table_start_addr = va_config->page_table_start_addr;
2315         config.page_table_end_addr = va_config->page_table_end_addr;
2316         config.page_table_block_size = va_config->page_table_block_size_in_bytes;
2317         config.page_table_depth = va_config->page_table_depth;
2318         config.page_table_base_addr = va_config->page_table_base_addr;
2319
2320         dc->res_pool->hubbub->funcs->init_vm_ctx(dc->res_pool->hubbub, &config, vmid);
2321 }
2322
2323 int dcn20_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
2324 {
2325         struct dcn_hubbub_phys_addr_config config;
2326
2327         config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
2328         config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
2329         config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
2330         config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
2331         config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
2332         config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
2333         config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
2334         config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
2335         config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
2336         config.page_table_default_page_addr = pa_config->page_table_default_page_addr;
2337
2338         return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
2339 }
2340
2341 static bool patch_address_for_sbs_tb_stereo(
2342                 struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
2343 {
2344         struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2345         bool sec_split = pipe_ctx->top_pipe &&
2346                         pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
2347         if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
2348                         (pipe_ctx->stream->timing.timing_3d_format ==
2349                         TIMING_3D_FORMAT_SIDE_BY_SIDE ||
2350                         pipe_ctx->stream->timing.timing_3d_format ==
2351                         TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
2352                 *addr = plane_state->address.grph_stereo.left_addr;
2353                 plane_state->address.grph_stereo.left_addr =
2354                                 plane_state->address.grph_stereo.right_addr;
2355                 return true;
2356         }
2357
2358         if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
2359                         plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
2360                 plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
2361                 plane_state->address.grph_stereo.right_addr =
2362                                 plane_state->address.grph_stereo.left_addr;
2363                 plane_state->address.grph_stereo.right_meta_addr =
2364                                 plane_state->address.grph_stereo.left_meta_addr;
2365         }
2366         return false;
2367 }
2368
2369 void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
2370 {
2371         bool addr_patched = false;
2372         PHYSICAL_ADDRESS_LOC addr;
2373         struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2374
2375         if (plane_state == NULL)
2376                 return;
2377
2378         addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
2379
2380         // Call Helper to track VMID use
2381         vm_helper_mark_vmid_used(dc->vm_helper, plane_state->address.vmid, pipe_ctx->plane_res.hubp->inst);
2382
2383         pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
2384                         pipe_ctx->plane_res.hubp,
2385                         &plane_state->address,
2386                         plane_state->flip_immediate);
2387
2388         plane_state->status.requested_address = plane_state->address;
2389
2390         if (plane_state->flip_immediate)
2391                 plane_state->status.current_address = plane_state->address;
2392
2393         if (addr_patched)
2394                 pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
2395 }
2396
2397 void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
2398                 struct dc_link_settings *link_settings)
2399 {
2400         struct encoder_unblank_param params = {0};
2401         struct dc_stream_state *stream = pipe_ctx->stream;
2402         struct dc_link *link = stream->link;
2403         struct dce_hwseq *hws = link->dc->hwseq;
2404         struct pipe_ctx *odm_pipe;
2405
2406         params.opp_cnt = 1;
2407         for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
2408                 params.opp_cnt++;
2409         }
2410         /* only 3 items below are used by unblank */
2411         params.timing = pipe_ctx->stream->timing;
2412
2413         params.link_settings.link_rate = link_settings->link_rate;
2414
2415         if (link->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2416                 /* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
2417                 pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
2418                                 pipe_ctx->stream_res.hpo_dp_stream_enc,
2419                                 pipe_ctx->stream_res.tg->inst);
2420         } else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
2421                 if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1)
2422                         params.timing.pix_clk_100hz /= 2;
2423                 pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
2424                                 pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1);
2425                 pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
2426         }
2427
2428         if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
2429                 hws->funcs.edp_backlight_control(link, true);
2430         }
2431 }
2432
2433 void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx)
2434 {
2435         struct timing_generator *tg = pipe_ctx->stream_res.tg;
2436         int start_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
2437
2438         if (start_line < 0)
2439                 start_line = 0;
2440
2441         if (tg->funcs->setup_vertical_interrupt2)
2442                 tg->funcs->setup_vertical_interrupt2(tg, start_line);
2443 }
2444
2445 static void dcn20_reset_back_end_for_pipe(
2446                 struct dc *dc,
2447                 struct pipe_ctx *pipe_ctx,
2448                 struct dc_state *context)
2449 {
2450         int i;
2451         struct dc_link *link = pipe_ctx->stream->link;
2452         const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2453
2454         DC_LOGGER_INIT(dc->ctx->logger);
2455         if (pipe_ctx->stream_res.stream_enc == NULL) {
2456                 pipe_ctx->stream = NULL;
2457                 return;
2458         }
2459
2460         /* DPMS may already disable or */
2461         /* dpms_off status is incorrect due to fastboot
2462          * feature. When system resume from S4 with second
2463          * screen only, the dpms_off would be true but
2464          * VBIOS lit up eDP, so check link status too.
2465          */
2466         if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
2467                 dc->link_srv->set_dpms_off(pipe_ctx);
2468         else if (pipe_ctx->stream_res.audio)
2469                 dc->hwss.disable_audio_stream(pipe_ctx);
2470
2471         /* free acquired resources */
2472         if (pipe_ctx->stream_res.audio) {
2473                 /*disable az_endpoint*/
2474                 pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
2475
2476                 /*free audio*/
2477                 if (dc->caps.dynamic_audio == true) {
2478                         /*we have to dynamic arbitrate the audio endpoints*/
2479                         /*we free the resource, need reset is_audio_acquired*/
2480                         update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
2481                                         pipe_ctx->stream_res.audio, false);
2482                         pipe_ctx->stream_res.audio = NULL;
2483                 }
2484         }
2485
2486         /* by upper caller loop, parent pipe: pipe0, will be reset last.
2487          * back end share by all pipes and will be disable only when disable
2488          * parent pipe.
2489          */
2490         if (pipe_ctx->top_pipe == NULL) {
2491
2492                 dc->hwss.set_abm_immediate_disable(pipe_ctx);
2493
2494                 pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
2495
2496                 pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
2497                 if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
2498                         pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
2499                                         pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
2500
2501                 if (pipe_ctx->stream_res.tg->funcs->set_drr)
2502                         pipe_ctx->stream_res.tg->funcs->set_drr(
2503                                         pipe_ctx->stream_res.tg, NULL);
2504                 /* TODO - convert symclk_ref_cnts for otg to a bit map to solve
2505                  * the case where the same symclk is shared across multiple otg
2506                  * instances
2507                  */
2508                 link->phy_state.symclk_ref_cnts.otg = 0;
2509                 if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) {
2510                         link_hwss->disable_link_output(link,
2511                                         &pipe_ctx->link_res, pipe_ctx->stream->signal);
2512                         link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
2513                 }
2514         }
2515
2516         for (i = 0; i < dc->res_pool->pipe_count; i++)
2517                 if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx)
2518                         break;
2519
2520         if (i == dc->res_pool->pipe_count)
2521                 return;
2522
2523         pipe_ctx->stream = NULL;
2524         DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
2525                                         pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
2526 }
2527
2528 void dcn20_reset_hw_ctx_wrap(
2529                 struct dc *dc,
2530                 struct dc_state *context)
2531 {
2532         int i;
2533         struct dce_hwseq *hws = dc->hwseq;
2534
2535         /* Reset Back End*/
2536         for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
2537                 struct pipe_ctx *pipe_ctx_old =
2538                         &dc->current_state->res_ctx.pipe_ctx[i];
2539                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2540
2541                 if (!pipe_ctx_old->stream)
2542                         continue;
2543
2544                 if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
2545                         continue;
2546
2547                 if (!pipe_ctx->stream ||
2548                                 pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
2549                         struct clock_source *old_clk = pipe_ctx_old->clock_source;
2550
2551                         dcn20_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
2552                         if (hws->funcs.enable_stream_gating)
2553                                 hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
2554                         if (old_clk)
2555                                 old_clk->funcs->cs_power_down(old_clk);
2556                 }
2557         }
2558 }
2559
2560 void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
2561 {
2562         struct hubp *hubp = pipe_ctx->plane_res.hubp;
2563         struct mpcc_blnd_cfg blnd_cfg = {0};
2564         bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha;
2565         int mpcc_id;
2566         struct mpcc *new_mpcc;
2567         struct mpc *mpc = dc->res_pool->mpc;
2568         struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
2569
2570         blnd_cfg.overlap_only = false;
2571         blnd_cfg.global_gain = 0xff;
2572
2573         if (per_pixel_alpha) {
2574                 blnd_cfg.pre_multiplied_alpha = pipe_ctx->plane_state->pre_multiplied_alpha;
2575                 if (pipe_ctx->plane_state->global_alpha) {
2576                         blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN;
2577                         blnd_cfg.global_gain = pipe_ctx->plane_state->global_alpha_value;
2578                 } else {
2579                         blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
2580                 }
2581         } else {
2582                 blnd_cfg.pre_multiplied_alpha = false;
2583                 blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
2584         }
2585
2586         if (pipe_ctx->plane_state->global_alpha)
2587                 blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
2588         else
2589                 blnd_cfg.global_alpha = 0xff;
2590
2591         blnd_cfg.background_color_bpc = 4;
2592         blnd_cfg.bottom_gain_mode = 0;
2593         blnd_cfg.top_gain = 0x1f000;
2594         blnd_cfg.bottom_inside_gain = 0x1f000;
2595         blnd_cfg.bottom_outside_gain = 0x1f000;
2596
2597         if (pipe_ctx->plane_state->format
2598                         == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA)
2599                 blnd_cfg.pre_multiplied_alpha = false;
2600
2601         /*
2602          * TODO: remove hack
2603          * Note: currently there is a bug in init_hw such that
2604          * on resume from hibernate, BIOS sets up MPCC0, and
2605          * we do mpcc_remove but the mpcc cannot go to idle
2606          * after remove. This cause us to pick mpcc1 here,
2607          * which causes a pstate hang for yet unknown reason.
2608          */
2609         mpcc_id = hubp->inst;
2610
2611         /* If there is no full update, don't need to touch MPC tree*/
2612         if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
2613                 !pipe_ctx->update_flags.bits.mpcc) {
2614                 mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
2615                 dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
2616                 return;
2617         }
2618
2619         /* check if this MPCC is already being used */
2620         new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
2621         /* remove MPCC if being used */
2622         if (new_mpcc != NULL)
2623                 mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
2624         else
2625                 if (dc->debug.sanity_checks)
2626                         mpc->funcs->assert_mpcc_idle_before_connect(
2627                                         dc->res_pool->mpc, mpcc_id);
2628
2629         /* Call MPC to insert new plane */
2630         new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
2631                         mpc_tree_params,
2632                         &blnd_cfg,
2633                         NULL,
2634                         NULL,
2635                         hubp->inst,
2636                         mpcc_id);
2637         dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
2638
2639         ASSERT(new_mpcc != NULL);
2640         hubp->opp_id = pipe_ctx->stream_res.opp->inst;
2641         hubp->mpcc_id = mpcc_id;
2642 }
2643
2644 static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link)
2645 {
2646         switch (link->link_enc->transmitter) {
2647         case TRANSMITTER_UNIPHY_A:
2648                 return PHYD32CLKA;
2649         case TRANSMITTER_UNIPHY_B:
2650                 return PHYD32CLKB;
2651         case TRANSMITTER_UNIPHY_C:
2652                 return PHYD32CLKC;
2653         case TRANSMITTER_UNIPHY_D:
2654                 return PHYD32CLKD;
2655         case TRANSMITTER_UNIPHY_E:
2656                 return PHYD32CLKE;
2657         default:
2658                 return PHYD32CLKA;
2659         }
2660 }
2661
2662 static int get_odm_segment_count(struct pipe_ctx *pipe_ctx)
2663 {
2664         struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2665         int count = 1;
2666
2667         while (odm_pipe != NULL) {
2668                 count++;
2669                 odm_pipe = odm_pipe->next_odm_pipe;
2670         }
2671
2672         return count;
2673 }
2674
2675 void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
2676 {
2677         enum dc_lane_count lane_count =
2678                 pipe_ctx->stream->link->cur_link_settings.lane_count;
2679
2680         struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
2681         struct dc_link *link = pipe_ctx->stream->link;
2682
2683         uint32_t active_total_with_borders;
2684         uint32_t early_control = 0;
2685         struct timing_generator *tg = pipe_ctx->stream_res.tg;
2686         const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2687         struct dc *dc = pipe_ctx->stream->ctx->dc;
2688         struct dtbclk_dto_params dto_params = {0};
2689         struct dccg *dccg = dc->res_pool->dccg;
2690         enum phyd32clk_clock_source phyd32clk;
2691         int dp_hpo_inst;
2692         struct dce_hwseq *hws = dc->hwseq;
2693         unsigned int k1_div = PIXEL_RATE_DIV_NA;
2694         unsigned int k2_div = PIXEL_RATE_DIV_NA;
2695
2696         if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2697                 if (dc->hwseq->funcs.setup_hpo_hw_control)
2698                         dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
2699         }
2700
2701         if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
2702                 dp_hpo_inst = pipe_ctx->stream_res.hpo_dp_stream_enc->inst;
2703                 dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, dp_hpo_inst);
2704
2705                 phyd32clk = get_phyd32clk_src(link);
2706                 dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk);
2707
2708                 dto_params.otg_inst = tg->inst;
2709                 dto_params.pixclk_khz = pipe_ctx->stream->timing.pix_clk_100hz / 10;
2710                 dto_params.num_odm_segments = get_odm_segment_count(pipe_ctx);
2711                 dto_params.timing = &pipe_ctx->stream->timing;
2712                 dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr);
2713                 dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
2714         } else {
2715                 }
2716         if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
2717                 hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
2718
2719                 dc->res_pool->dccg->funcs->set_pixel_rate_div(
2720                         dc->res_pool->dccg,
2721                         pipe_ctx->stream_res.tg->inst,
2722                         k1_div, k2_div);
2723         }
2724
2725         link_hwss->setup_stream_encoder(pipe_ctx);
2726
2727         if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
2728                 if (dc->hwss.program_dmdata_engine)
2729                         dc->hwss.program_dmdata_engine(pipe_ctx);
2730         }
2731
2732         dc->hwss.update_info_frame(pipe_ctx);
2733
2734         if (dc_is_dp_signal(pipe_ctx->stream->signal))
2735                 dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
2736
2737         /* enable early control to avoid corruption on DP monitor*/
2738         active_total_with_borders =
2739                         timing->h_addressable
2740                                 + timing->h_border_left
2741                                 + timing->h_border_right;
2742
2743         if (lane_count != 0)
2744                 early_control = active_total_with_borders % lane_count;
2745
2746         if (early_control == 0)
2747                 early_control = lane_count;
2748
2749         tg->funcs->set_early_control(tg, early_control);
2750
2751         if (dc->hwseq->funcs.set_pixels_per_cycle)
2752                 dc->hwseq->funcs.set_pixels_per_cycle(pipe_ctx);
2753 }
2754
2755 void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
2756 {
2757         struct dc_stream_state    *stream     = pipe_ctx->stream;
2758         struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
2759         bool                       enable     = false;
2760         struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
2761         enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
2762                                                         ? dmdata_dp
2763                                                         : dmdata_hdmi;
2764
2765         /* if using dynamic meta, don't set up generic infopackets */
2766         if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
2767                 pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
2768                 enable = true;
2769         }
2770
2771         if (!hubp)
2772                 return;
2773
2774         if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
2775                 return;
2776
2777         stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
2778                                                 hubp->inst, mode);
2779 }
2780
2781 void dcn20_fpga_init_hw(struct dc *dc)
2782 {
2783         int i, j;
2784         struct dce_hwseq *hws = dc->hwseq;
2785         struct resource_pool *res_pool = dc->res_pool;
2786         struct dc_state  *context = dc->current_state;
2787
2788         if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
2789                 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
2790
2791         // Initialize the dccg
2792         if (res_pool->dccg->funcs->dccg_init)
2793                 res_pool->dccg->funcs->dccg_init(res_pool->dccg);
2794
2795         //Enable ability to power gate / don't force power on permanently
2796         hws->funcs.enable_power_gating_plane(hws, true);
2797
2798         // Specific to FPGA dccg and registers
2799         REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
2800         REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
2801
2802         hws->funcs.dccg_init(hws);
2803
2804         REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
2805         REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
2806         if (REG(REFCLK_CNTL))
2807                 REG_WRITE(REFCLK_CNTL, 0);
2808         //
2809
2810
2811         /* Blank pixel data with OPP DPG */
2812         for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2813                 struct timing_generator *tg = dc->res_pool->timing_generators[i];
2814
2815                 if (tg->funcs->is_tg_enabled(tg))
2816                         dcn20_init_blank(dc, tg);
2817         }
2818
2819         for (i = 0; i < res_pool->timing_generator_count; i++) {
2820                 struct timing_generator *tg = dc->res_pool->timing_generators[i];
2821
2822                 if (tg->funcs->is_tg_enabled(tg))
2823                         tg->funcs->lock(tg);
2824         }
2825
2826         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2827                 struct dpp *dpp = res_pool->dpps[i];
2828
2829                 dpp->funcs->dpp_reset(dpp);
2830         }
2831
2832         /* Reset all MPCC muxes */
2833         res_pool->mpc->funcs->mpc_init(res_pool->mpc);
2834
2835         /* initialize OPP mpc_tree parameter */
2836         for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
2837                 res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
2838                 res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2839                 for (j = 0; j < MAX_PIPES; j++)
2840                         res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
2841         }
2842
2843         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2844                 struct timing_generator *tg = dc->res_pool->timing_generators[i];
2845                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2846                 struct hubp *hubp = dc->res_pool->hubps[i];
2847                 struct dpp *dpp = dc->res_pool->dpps[i];
2848
2849                 pipe_ctx->stream_res.tg = tg;
2850                 pipe_ctx->pipe_idx = i;
2851
2852                 pipe_ctx->plane_res.hubp = hubp;
2853                 pipe_ctx->plane_res.dpp = dpp;
2854                 pipe_ctx->plane_res.mpcc_inst = dpp->inst;
2855                 hubp->mpcc_id = dpp->inst;
2856                 hubp->opp_id = OPP_ID_INVALID;
2857                 hubp->power_gated = false;
2858                 pipe_ctx->stream_res.opp = NULL;
2859
2860                 hubp->funcs->hubp_init(hubp);
2861
2862                 //dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
2863                 //dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2864                 dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
2865                 pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
2866                 /*to do*/
2867                 hws->funcs.plane_atomic_disconnect(dc, pipe_ctx);
2868         }
2869
2870         /* initialize DWB pointer to MCIF_WB */
2871         for (i = 0; i < res_pool->res_cap->num_dwb; i++)
2872                 res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
2873
2874         for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2875                 struct timing_generator *tg = dc->res_pool->timing_generators[i];
2876
2877                 if (tg->funcs->is_tg_enabled(tg))
2878                         tg->funcs->unlock(tg);
2879         }
2880
2881         for (i = 0; i < dc->res_pool->pipe_count; i++) {
2882                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2883
2884                 dc->hwss.disable_plane(dc, pipe_ctx);
2885
2886                 pipe_ctx->stream_res.tg = NULL;
2887                 pipe_ctx->plane_res.hubp = NULL;
2888         }
2889
2890         for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2891                 struct timing_generator *tg = dc->res_pool->timing_generators[i];
2892
2893                 tg->funcs->tg_init(tg);
2894         }
2895
2896         if (dc->res_pool->hubbub->funcs->init_crb)
2897                 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
2898 }
2899 #ifndef TRIM_FSFT
2900 bool dcn20_optimize_timing_for_fsft(struct dc *dc,
2901                 struct dc_crtc_timing *timing,
2902                 unsigned int max_input_rate_in_khz)
2903 {
2904         unsigned int old_v_front_porch;
2905         unsigned int old_v_total;
2906         unsigned int max_input_rate_in_100hz;
2907         unsigned long long new_v_total;
2908
2909         max_input_rate_in_100hz = max_input_rate_in_khz * 10;
2910         if (max_input_rate_in_100hz < timing->pix_clk_100hz)
2911                 return false;
2912
2913         old_v_total = timing->v_total;
2914         old_v_front_porch = timing->v_front_porch;
2915
2916         timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
2917         timing->pix_clk_100hz = max_input_rate_in_100hz;
2918
2919         new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
2920
2921         timing->v_total = new_v_total;
2922         timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
2923         return true;
2924 }
2925 #endif
2926
2927 void dcn20_set_disp_pattern_generator(const struct dc *dc,
2928                 struct pipe_ctx *pipe_ctx,
2929                 enum controller_dp_test_pattern test_pattern,
2930                 enum controller_dp_color_space color_space,
2931                 enum dc_color_depth color_depth,
2932                 const struct tg_color *solid_color,
2933                 int width, int height, int offset)
2934 {
2935         pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
2936                         color_space, color_depth, solid_color, width, height, offset);
2937 }