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 26 27 #include "dm_services.h" 28 #include "dm_helpers.h" 29 #include "core_types.h" 30 #include "resource.h" 31 #include "dccg.h" 32 #include "dce/dce_hwseq.h" 33 #include "dcn30/dcn30_cm_common.h" 34 #include "reg_helper.h" 35 #include "abm.h" 36 #include "hubp.h" 37 #include "dchubbub.h" 38 #include "timing_generator.h" 39 #include "opp.h" 40 #include "ipp.h" 41 #include "mpc.h" 42 #include "mcif_wb.h" 43 #include "dc_dmub_srv.h" 44 #include "link_hwss.h" 45 #include "dpcd_defs.h" 46 #include "dcn32_hwseq.h" 47 #include "clk_mgr.h" 48 #include "dsc.h" 49 #include "dcn20/dcn20_optc.h" 50 #include "dmub_subvp_state.h" 51 #include "dce/dmub_hw_lock_mgr.h" 52 #include "dcn32_resource.h" 53 #include "link.h" 54 #include "dmub/inc/dmub_subvp_state.h" 55 56 #define DC_LOGGER_INIT(logger) 57 58 #define CTX \ 59 hws->ctx 60 #define REG(reg)\ 61 hws->regs->reg 62 #define DC_LOGGER \ 63 dc->ctx->logger 64 65 66 #undef FN 67 #define FN(reg_name, field_name) \ 68 hws->shifts->field_name, hws->masks->field_name 69 70 void dcn32_dsc_pg_control( 71 struct dce_hwseq *hws, 72 unsigned int dsc_inst, 73 bool power_on) 74 { 75 uint32_t power_gate = power_on ? 0 : 1; 76 uint32_t pwr_status = power_on ? 0 : 2; 77 uint32_t org_ip_request_cntl = 0; 78 79 if (hws->ctx->dc->debug.disable_dsc_power_gate) 80 return; 81 82 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); 83 if (org_ip_request_cntl == 0) 84 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); 85 86 switch (dsc_inst) { 87 case 0: /* DSC0 */ 88 REG_UPDATE(DOMAIN16_PG_CONFIG, 89 DOMAIN_POWER_GATE, power_gate); 90 91 REG_WAIT(DOMAIN16_PG_STATUS, 92 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 93 1, 1000); 94 break; 95 case 1: /* DSC1 */ 96 REG_UPDATE(DOMAIN17_PG_CONFIG, 97 DOMAIN_POWER_GATE, power_gate); 98 99 REG_WAIT(DOMAIN17_PG_STATUS, 100 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 101 1, 1000); 102 break; 103 case 2: /* DSC2 */ 104 REG_UPDATE(DOMAIN18_PG_CONFIG, 105 DOMAIN_POWER_GATE, power_gate); 106 107 REG_WAIT(DOMAIN18_PG_STATUS, 108 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 109 1, 1000); 110 break; 111 case 3: /* DSC3 */ 112 REG_UPDATE(DOMAIN19_PG_CONFIG, 113 DOMAIN_POWER_GATE, power_gate); 114 115 REG_WAIT(DOMAIN19_PG_STATUS, 116 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 117 1, 1000); 118 break; 119 default: 120 BREAK_TO_DEBUGGER(); 121 break; 122 } 123 124 if (org_ip_request_cntl == 0) 125 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); 126 } 127 128 129 void dcn32_enable_power_gating_plane( 130 struct dce_hwseq *hws, 131 bool enable) 132 { 133 bool force_on = true; /* disable power gating */ 134 135 if (enable) 136 force_on = false; 137 138 /* DCHUBP0/1/2/3 */ 139 REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 140 REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 141 REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 142 REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 143 144 /* DCS0/1/2/3 */ 145 REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 146 REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 147 REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 148 REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 149 } 150 151 void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on) 152 { 153 uint32_t power_gate = power_on ? 0 : 1; 154 uint32_t pwr_status = power_on ? 0 : 2; 155 156 if (hws->ctx->dc->debug.disable_hubp_power_gate) 157 return; 158 159 if (REG(DOMAIN0_PG_CONFIG) == 0) 160 return; 161 162 switch (hubp_inst) { 163 case 0: 164 REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 165 REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 166 break; 167 case 1: 168 REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 169 REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 170 break; 171 case 2: 172 REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 173 REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 174 break; 175 case 3: 176 REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 177 REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 178 break; 179 default: 180 BREAK_TO_DEBUGGER(); 181 break; 182 } 183 } 184 185 static bool dcn32_check_no_memory_request_for_cab(struct dc *dc) 186 { 187 int i; 188 189 /* First, check no-memory-request case */ 190 for (i = 0; i < dc->current_state->stream_count; i++) { 191 if ((dc->current_state->stream_status[i].plane_count) && 192 (dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED)) 193 /* Fail eligibility on a visible stream */ 194 break; 195 } 196 197 if (i == dc->current_state->stream_count) 198 return true; 199 200 return false; 201 } 202 203 204 /* This function loops through every surface that needs to be cached in CAB for SS, 205 * and calculates the total number of ways required to store all surfaces (primary, 206 * meta, cursor). 207 */ 208 static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *ctx) 209 { 210 int i; 211 uint8_t num_ways = 0; 212 uint32_t mall_ss_size_bytes = 0; 213 214 mall_ss_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_size_bytes; 215 // TODO add additional logic for PSR active stream exclusion optimization 216 // mall_ss_psr_active_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes; 217 218 // Include cursor size for CAB allocation 219 for (i = 0; i < dc->res_pool->pipe_count; i++) { 220 struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i]; 221 222 if (!pipe->stream || !pipe->plane_state) 223 continue; 224 225 mall_ss_size_bytes += dcn32_helper_calculate_mall_bytes_for_cursor(dc, pipe, false); 226 } 227 228 // Convert number of cache lines required to number of ways 229 if (dc->debug.force_mall_ss_num_ways > 0) { 230 num_ways = dc->debug.force_mall_ss_num_ways; 231 } else { 232 num_ways = dcn32_helper_mall_bytes_to_ways(dc, mall_ss_size_bytes); 233 } 234 235 return num_ways; 236 } 237 238 bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable) 239 { 240 union dmub_rb_cmd cmd; 241 uint8_t ways, i; 242 int j; 243 bool mall_ss_unsupported = false; 244 struct dc_plane_state *plane = NULL; 245 246 if (!dc->ctx->dmub_srv) 247 return false; 248 249 for (i = 0; i < dc->current_state->stream_count; i++) { 250 /* MALL SS messaging is not supported with PSR at this time */ 251 if (dc->current_state->streams[i] != NULL && 252 dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED) 253 return false; 254 } 255 256 if (enable) { 257 if (dc->current_state) { 258 259 /* 1. Check no memory request case for CAB. 260 * If no memory request case, send CAB_ACTION NO_DF_REQ DMUB message 261 */ 262 if (dcn32_check_no_memory_request_for_cab(dc)) { 263 /* Enable no-memory-requests case */ 264 memset(&cmd, 0, sizeof(cmd)); 265 cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS; 266 cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_DCN_REQ; 267 cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header); 268 269 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); 270 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); 271 272 return true; 273 } 274 275 /* 2. Check if all surfaces can fit in CAB. 276 * If surfaces can fit into CAB, send CAB_ACTION_ALLOW DMUB message 277 * and configure HUBP's to fetch from MALL 278 */ 279 ways = dcn32_calculate_cab_allocation(dc, dc->current_state); 280 281 /* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo, 282 * or TMZ surface, don't try to enter MALL. 283 */ 284 for (i = 0; i < dc->current_state->stream_count; i++) { 285 for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) { 286 plane = dc->current_state->stream_status[i].plane_states[j]; 287 288 if (plane->address.type == PLN_ADDR_TYPE_GRPH_STEREO || 289 plane->address.tmz_surface) { 290 mall_ss_unsupported = true; 291 break; 292 } 293 } 294 if (mall_ss_unsupported) 295 break; 296 } 297 if (ways <= dc->caps.cache_num_ways && !mall_ss_unsupported) { 298 memset(&cmd, 0, sizeof(cmd)); 299 cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS; 300 cmd.cab.header.sub_type = DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB; 301 cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header); 302 cmd.cab.cab_alloc_ways = ways; 303 304 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); 305 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); 306 307 return true; 308 } 309 310 } 311 return false; 312 } 313 314 /* Disable CAB */ 315 memset(&cmd, 0, sizeof(cmd)); 316 cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS; 317 cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION; 318 cmd.cab.header.payload_bytes = 319 sizeof(cmd.cab) - sizeof(cmd.cab.header); 320 321 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); 322 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); 323 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); 324 325 return true; 326 } 327 328 /* Send DMCUB message with SubVP pipe info 329 * - For each pipe in context, populate payload with required SubVP information 330 * if the pipe is using SubVP for MCLK switch 331 * - This function must be called while the DMUB HW lock is acquired by driver 332 */ 333 void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context) 334 { 335 int i; 336 bool enable_subvp = false; 337 338 if (!dc->ctx || !dc->ctx->dmub_srv) 339 return; 340 341 for (i = 0; i < dc->res_pool->pipe_count; i++) { 342 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; 343 344 if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.paired_stream && 345 pipe_ctx->stream->mall_stream_config.type == SUBVP_MAIN) { 346 // There is at least 1 SubVP pipe, so enable SubVP 347 enable_subvp = true; 348 break; 349 } 350 } 351 dc_dmub_setup_subvp_dmub_command(dc, context, enable_subvp); 352 } 353 354 /* Sub-Viewport DMUB lock needs to be acquired by driver whenever SubVP is active and: 355 * 1. Any full update for any SubVP main pipe 356 * 2. Any immediate flip for any SubVP pipe 357 * 3. Any flip for DRR pipe 358 * 4. If SubVP was previously in use (i.e. in old context) 359 */ 360 void dcn32_subvp_pipe_control_lock(struct dc *dc, 361 struct dc_state *context, 362 bool lock, 363 bool should_lock_all_pipes, 364 struct pipe_ctx *top_pipe_to_program, 365 bool subvp_prev_use) 366 { 367 unsigned int i = 0; 368 bool subvp_immediate_flip = false; 369 bool subvp_in_use = false; 370 struct pipe_ctx *pipe; 371 372 for (i = 0; i < dc->res_pool->pipe_count; i++) { 373 pipe = &context->res_ctx.pipe_ctx[i]; 374 375 if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN) { 376 subvp_in_use = true; 377 break; 378 } 379 } 380 381 if (top_pipe_to_program && top_pipe_to_program->stream && top_pipe_to_program->plane_state) { 382 if (top_pipe_to_program->stream->mall_stream_config.type == SUBVP_MAIN && 383 top_pipe_to_program->plane_state->flip_immediate) 384 subvp_immediate_flip = true; 385 } 386 387 // Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared. 388 if ((subvp_in_use && (should_lock_all_pipes || subvp_immediate_flip)) || (!subvp_in_use && subvp_prev_use)) { 389 union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 }; 390 391 if (!lock) { 392 for (i = 0; i < dc->res_pool->pipe_count; i++) { 393 pipe = &context->res_ctx.pipe_ctx[i]; 394 if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN && 395 should_lock_all_pipes) 396 pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK); 397 } 398 } 399 400 hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK; 401 hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER; 402 hw_lock_cmd.bits.lock = lock; 403 hw_lock_cmd.bits.should_release = !lock; 404 dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd); 405 } 406 } 407 408 409 static bool dcn32_set_mpc_shaper_3dlut( 410 struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream) 411 { 412 struct dpp *dpp_base = pipe_ctx->plane_res.dpp; 413 int mpcc_id = pipe_ctx->plane_res.hubp->inst; 414 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc; 415 bool result = false; 416 417 const struct pwl_params *shaper_lut = NULL; 418 //get the shaper lut params 419 if (stream->func_shaper) { 420 if (stream->func_shaper->type == TF_TYPE_HWPWL) 421 shaper_lut = &stream->func_shaper->pwl; 422 else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) { 423 cm_helper_translate_curve_to_hw_format( 424 stream->func_shaper, 425 &dpp_base->shaper_params, true); 426 shaper_lut = &dpp_base->shaper_params; 427 } 428 } 429 430 if (stream->lut3d_func && 431 stream->lut3d_func->state.bits.initialized == 1) { 432 433 result = mpc->funcs->program_3dlut(mpc, 434 &stream->lut3d_func->lut_3d, 435 mpcc_id); 436 437 result = mpc->funcs->program_shaper(mpc, 438 shaper_lut, 439 mpcc_id); 440 } 441 442 return result; 443 } 444 445 bool dcn32_set_mcm_luts( 446 struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state) 447 { 448 struct dpp *dpp_base = pipe_ctx->plane_res.dpp; 449 int mpcc_id = pipe_ctx->plane_res.hubp->inst; 450 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc; 451 bool result = true; 452 struct pwl_params *lut_params = NULL; 453 454 // 1D LUT 455 if (plane_state->blend_tf) { 456 if (plane_state->blend_tf->type == TF_TYPE_HWPWL) 457 lut_params = &plane_state->blend_tf->pwl; 458 else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) { 459 cm_helper_translate_curve_to_hw_format( 460 plane_state->blend_tf, 461 &dpp_base->regamma_params, false); 462 lut_params = &dpp_base->regamma_params; 463 } 464 } 465 result = mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id); 466 467 // Shaper 468 if (plane_state->in_shaper_func) { 469 if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL) 470 lut_params = &plane_state->in_shaper_func->pwl; 471 else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) { 472 // TODO: dpp_base replace 473 ASSERT(false); 474 cm_helper_translate_curve_to_hw_format( 475 plane_state->in_shaper_func, 476 &dpp_base->shaper_params, true); 477 lut_params = &dpp_base->shaper_params; 478 } 479 } 480 481 result = mpc->funcs->program_shaper(mpc, lut_params, mpcc_id); 482 483 // 3D 484 if (plane_state->lut3d_func && plane_state->lut3d_func->state.bits.initialized == 1) 485 result = mpc->funcs->program_3dlut(mpc, &plane_state->lut3d_func->lut_3d, mpcc_id); 486 else 487 result = mpc->funcs->program_3dlut(mpc, NULL, mpcc_id); 488 489 return result; 490 } 491 492 bool dcn32_set_input_transfer_func(struct dc *dc, 493 struct pipe_ctx *pipe_ctx, 494 const struct dc_plane_state *plane_state) 495 { 496 struct dce_hwseq *hws = dc->hwseq; 497 struct mpc *mpc = dc->res_pool->mpc; 498 struct dpp *dpp_base = pipe_ctx->plane_res.dpp; 499 500 enum dc_transfer_func_predefined tf; 501 bool result = true; 502 struct pwl_params *params = NULL; 503 504 if (mpc == NULL || plane_state == NULL) 505 return false; 506 507 tf = TRANSFER_FUNCTION_UNITY; 508 509 if (plane_state->in_transfer_func && 510 plane_state->in_transfer_func->type == TF_TYPE_PREDEFINED) 511 tf = plane_state->in_transfer_func->tf; 512 513 dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf); 514 515 if (plane_state->in_transfer_func) { 516 if (plane_state->in_transfer_func->type == TF_TYPE_HWPWL) 517 params = &plane_state->in_transfer_func->pwl; 518 else if (plane_state->in_transfer_func->type == TF_TYPE_DISTRIBUTED_POINTS && 519 cm3_helper_translate_curve_to_hw_format(plane_state->in_transfer_func, 520 &dpp_base->degamma_params, false)) 521 params = &dpp_base->degamma_params; 522 } 523 524 dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params); 525 526 if (pipe_ctx->stream_res.opp && 527 pipe_ctx->stream_res.opp->ctx && 528 hws->funcs.set_mcm_luts) 529 result = hws->funcs.set_mcm_luts(pipe_ctx, plane_state); 530 531 return result; 532 } 533 534 bool dcn32_set_output_transfer_func(struct dc *dc, 535 struct pipe_ctx *pipe_ctx, 536 const struct dc_stream_state *stream) 537 { 538 int mpcc_id = pipe_ctx->plane_res.hubp->inst; 539 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc; 540 struct pwl_params *params = NULL; 541 bool ret = false; 542 543 /* program OGAM or 3DLUT only for the top pipe*/ 544 if (pipe_ctx->top_pipe == NULL) { 545 /*program shaper and 3dlut in MPC*/ 546 ret = dcn32_set_mpc_shaper_3dlut(pipe_ctx, stream); 547 if (ret == false && mpc->funcs->set_output_gamma && stream->out_transfer_func) { 548 if (stream->out_transfer_func->type == TF_TYPE_HWPWL) 549 params = &stream->out_transfer_func->pwl; 550 else if (pipe_ctx->stream->out_transfer_func->type == 551 TF_TYPE_DISTRIBUTED_POINTS && 552 cm3_helper_translate_curve_to_hw_format( 553 stream->out_transfer_func, 554 &mpc->blender_params, false)) 555 params = &mpc->blender_params; 556 /* there are no ROM LUTs in OUTGAM */ 557 if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED) 558 BREAK_TO_DEBUGGER(); 559 } 560 } 561 562 mpc->funcs->set_output_gamma(mpc, mpcc_id, params); 563 return ret; 564 } 565 566 /* Program P-State force value according to if pipe is using SubVP or not: 567 * 1. Reset P-State force on all pipes first 568 * 2. For each main pipe, force P-State disallow (P-State allow moderated by DMUB) 569 */ 570 void dcn32_subvp_update_force_pstate(struct dc *dc, struct dc_state *context) 571 { 572 int i; 573 int num_subvp = 0; 574 /* Unforce p-state for each pipe 575 */ 576 for (i = 0; i < dc->res_pool->pipe_count; i++) { 577 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 578 struct hubp *hubp = pipe->plane_res.hubp; 579 580 if (hubp && hubp->funcs->hubp_update_force_pstate_disallow) 581 hubp->funcs->hubp_update_force_pstate_disallow(hubp, false); 582 if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN) 583 num_subvp++; 584 } 585 586 if (num_subvp == 0) 587 return; 588 589 /* Loop through each pipe -- for each subvp main pipe force p-state allow equal to false. 590 */ 591 for (i = 0; i < dc->res_pool->pipe_count; i++) { 592 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 593 594 if (pipe->stream && pipe->plane_state && (pipe->stream->mall_stream_config.type == SUBVP_MAIN)) { 595 struct hubp *hubp = pipe->plane_res.hubp; 596 597 if (hubp && hubp->funcs->hubp_update_force_pstate_disallow) 598 hubp->funcs->hubp_update_force_pstate_disallow(hubp, true); 599 } 600 } 601 } 602 603 /* Update MALL_SEL register based on if pipe / plane 604 * is a phantom pipe, main pipe, and if using MALL 605 * for SS. 606 */ 607 void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context) 608 { 609 int i; 610 unsigned int num_ways = dcn32_calculate_cab_allocation(dc, context); 611 bool cache_cursor = false; 612 613 for (i = 0; i < dc->res_pool->pipe_count; i++) { 614 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 615 struct hubp *hubp = pipe->plane_res.hubp; 616 617 if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) { 618 int cursor_size = hubp->curs_attr.pitch * hubp->curs_attr.height; 619 620 switch (hubp->curs_attr.color_format) { 621 case CURSOR_MODE_MONO: 622 cursor_size /= 2; 623 break; 624 case CURSOR_MODE_COLOR_1BIT_AND: 625 case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA: 626 case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA: 627 cursor_size *= 4; 628 break; 629 630 case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED: 631 case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED: 632 default: 633 cursor_size *= 8; 634 break; 635 } 636 637 if (cursor_size > 16384) 638 cache_cursor = true; 639 640 if (pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { 641 hubp->funcs->hubp_update_mall_sel(hubp, 1, false); 642 } else { 643 // MALL not supported with Stereo3D 644 hubp->funcs->hubp_update_mall_sel(hubp, 645 num_ways <= dc->caps.cache_num_ways && 646 pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED && 647 pipe->plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO && 648 !pipe->plane_state->address.tmz_surface ? 2 : 0, 649 cache_cursor); 650 } 651 } 652 } 653 } 654 655 /* Program the sub-viewport pipe configuration after the main / phantom pipes 656 * have been programmed in hardware. 657 * 1. Update force P-State for all the main pipes (disallow P-state) 658 * 2. Update MALL_SEL register 659 * 3. Program FORCE_ONE_ROW_FOR_FRAME for main subvp pipes 660 */ 661 void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context) 662 { 663 int i; 664 struct dce_hwseq *hws = dc->hwseq; 665 666 // Don't force p-state disallow -- can't block dummy p-state 667 668 // Update MALL_SEL register for each pipe 669 if (hws && hws->funcs.update_mall_sel) 670 hws->funcs.update_mall_sel(dc, context); 671 672 //update subvp force pstate 673 if (hws && hws->funcs.subvp_update_force_pstate) 674 dc->hwseq->funcs.subvp_update_force_pstate(dc, context); 675 676 // Program FORCE_ONE_ROW_FOR_FRAME and CURSOR_REQ_MODE for main subvp pipes 677 for (i = 0; i < dc->res_pool->pipe_count; i++) { 678 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 679 struct hubp *hubp = pipe->plane_res.hubp; 680 681 if (pipe->stream && hubp && hubp->funcs->hubp_prepare_subvp_buffering) { 682 /* TODO - remove setting CURSOR_REQ_MODE to 0 for legacy cases 683 * - need to investigate single pipe MPO + SubVP case to 684 * see if CURSOR_REQ_MODE will be back to 1 for SubVP 685 * when it should be 0 for MPO 686 */ 687 if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) { 688 hubp->funcs->hubp_prepare_subvp_buffering(hubp, true); 689 } 690 } 691 } 692 } 693 694 static void dcn32_initialize_min_clocks(struct dc *dc) 695 { 696 struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk; 697 698 clocks->dcfclk_deep_sleep_khz = DCN3_2_DCFCLK_DS_INIT_KHZ; 699 clocks->dcfclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz * 1000; 700 clocks->socclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].socclk_mhz * 1000; 701 clocks->dramclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 1000; 702 clocks->dppclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dppclk_mhz * 1000; 703 clocks->dispclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dispclk_mhz * 1000; 704 clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000; 705 clocks->fclk_p_state_change_support = true; 706 clocks->p_state_change_support = true; 707 708 dc->clk_mgr->funcs->update_clocks( 709 dc->clk_mgr, 710 dc->current_state, 711 true); 712 } 713 714 void dcn32_init_hw(struct dc *dc) 715 { 716 struct abm **abms = dc->res_pool->multiple_abms; 717 struct dce_hwseq *hws = dc->hwseq; 718 struct dc_bios *dcb = dc->ctx->dc_bios; 719 struct resource_pool *res_pool = dc->res_pool; 720 int i; 721 int edp_num; 722 uint32_t backlight = MAX_BACKLIGHT_LEVEL; 723 724 if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks) 725 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr); 726 727 // Initialize the dccg 728 if (res_pool->dccg->funcs->dccg_init) 729 res_pool->dccg->funcs->dccg_init(res_pool->dccg); 730 731 if (!dcb->funcs->is_accelerated_mode(dcb)) { 732 hws->funcs.bios_golden_init(dc); 733 hws->funcs.disable_vga(dc->hwseq); 734 } 735 736 // Set default OPTC memory power states 737 if (dc->debug.enable_mem_low_power.bits.optc) { 738 // Shutdown when unassigned and light sleep in VBLANK 739 REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1); 740 } 741 742 if (dc->debug.enable_mem_low_power.bits.vga) { 743 // Power down VGA memory 744 REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1); 745 } 746 747 if (dc->ctx->dc_bios->fw_info_valid) { 748 res_pool->ref_clocks.xtalin_clock_inKhz = 749 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency; 750 751 if (res_pool->dccg && res_pool->hubbub) { 752 (res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg, 753 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency, 754 &res_pool->ref_clocks.dccg_ref_clock_inKhz); 755 756 (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub, 757 res_pool->ref_clocks.dccg_ref_clock_inKhz, 758 &res_pool->ref_clocks.dchub_ref_clock_inKhz); 759 } else { 760 // Not all ASICs have DCCG sw component 761 res_pool->ref_clocks.dccg_ref_clock_inKhz = 762 res_pool->ref_clocks.xtalin_clock_inKhz; 763 res_pool->ref_clocks.dchub_ref_clock_inKhz = 764 res_pool->ref_clocks.xtalin_clock_inKhz; 765 } 766 } else 767 ASSERT_CRITICAL(false); 768 769 for (i = 0; i < dc->link_count; i++) { 770 /* Power up AND update implementation according to the 771 * required signal (which may be different from the 772 * default signal on connector). 773 */ 774 struct dc_link *link = dc->links[i]; 775 776 link->link_enc->funcs->hw_init(link->link_enc); 777 778 /* Check for enabled DIG to identify enabled display */ 779 if (link->link_enc->funcs->is_dig_enabled && 780 link->link_enc->funcs->is_dig_enabled(link->link_enc)) { 781 link->link_status.link_active = true; 782 link->phy_state.symclk_state = SYMCLK_ON_TX_ON; 783 if (link->link_enc->funcs->fec_is_active && 784 link->link_enc->funcs->fec_is_active(link->link_enc)) 785 link->fec_state = dc_link_fec_enabled; 786 } 787 } 788 789 /* Power gate DSCs */ 790 for (i = 0; i < res_pool->res_cap->num_dsc; i++) 791 if (hws->funcs.dsc_pg_control != NULL) 792 hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false); 793 794 /* we want to turn off all dp displays before doing detection */ 795 dc_link_blank_all_dp_displays(dc); 796 797 /* If taking control over from VBIOS, we may want to optimize our first 798 * mode set, so we need to skip powering down pipes until we know which 799 * pipes we want to use. 800 * Otherwise, if taking control is not possible, we need to power 801 * everything down. 802 */ 803 if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) { 804 hws->funcs.init_pipes(dc, dc->current_state); 805 if (dc->res_pool->hubbub->funcs->allow_self_refresh_control) 806 dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, 807 !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter); 808 809 dcn32_initialize_min_clocks(dc); 810 811 /* On HW init, allow idle optimizations after pipes have been turned off. 812 * 813 * In certain D3 cases (i.e. BOCO / BOMACO) it's possible that hardware state 814 * is reset (i.e. not in idle at the time hw init is called), but software state 815 * still has idle_optimizations = true, so we must disable idle optimizations first 816 * (i.e. set false), then re-enable (set true). 817 */ 818 dc_allow_idle_optimizations(dc, false); 819 dc_allow_idle_optimizations(dc, true); 820 } 821 822 /* In headless boot cases, DIG may be turned 823 * on which causes HW/SW discrepancies. 824 * To avoid this, power down hardware on boot 825 * if DIG is turned on and seamless boot not enabled 826 */ 827 if (!dc->config.seamless_boot_edp_requested) { 828 struct dc_link *edp_links[MAX_NUM_EDP]; 829 struct dc_link *edp_link; 830 831 get_edp_links(dc, edp_links, &edp_num); 832 if (edp_num) { 833 for (i = 0; i < edp_num; i++) { 834 edp_link = edp_links[i]; 835 if (edp_link->link_enc->funcs->is_dig_enabled && 836 edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) && 837 dc->hwss.edp_backlight_control && 838 dc->hwss.power_down && 839 dc->hwss.edp_power_control) { 840 dc->hwss.edp_backlight_control(edp_link, false); 841 dc->hwss.power_down(dc); 842 dc->hwss.edp_power_control(edp_link, false); 843 } 844 } 845 } else { 846 for (i = 0; i < dc->link_count; i++) { 847 struct dc_link *link = dc->links[i]; 848 849 if (link->link_enc->funcs->is_dig_enabled && 850 link->link_enc->funcs->is_dig_enabled(link->link_enc) && 851 dc->hwss.power_down) { 852 dc->hwss.power_down(dc); 853 break; 854 } 855 856 } 857 } 858 } 859 860 for (i = 0; i < res_pool->audio_count; i++) { 861 struct audio *audio = res_pool->audios[i]; 862 863 audio->funcs->hw_init(audio); 864 } 865 866 for (i = 0; i < dc->link_count; i++) { 867 struct dc_link *link = dc->links[i]; 868 869 if (link->panel_cntl) 870 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl); 871 } 872 873 for (i = 0; i < dc->res_pool->pipe_count; i++) { 874 if (abms[i] != NULL && abms[i]->funcs != NULL) 875 abms[i]->funcs->abm_init(abms[i], backlight); 876 } 877 878 /* power AFMT HDMI memory TODO: may move to dis/en output save power*/ 879 REG_WRITE(DIO_MEM_PWR_CTRL, 0); 880 881 if (!dc->debug.disable_clock_gate) { 882 /* enable all DCN clock gating */ 883 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); 884 885 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); 886 887 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0); 888 } 889 if (hws->funcs.enable_power_gating_plane) 890 hws->funcs.enable_power_gating_plane(dc->hwseq, true); 891 892 if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks) 893 dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub); 894 895 if (dc->clk_mgr->funcs->notify_wm_ranges) 896 dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr); 897 898 if (dc->clk_mgr->funcs->set_hard_max_memclk) 899 dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr); 900 901 if (dc->res_pool->hubbub->funcs->force_pstate_change_control) 902 dc->res_pool->hubbub->funcs->force_pstate_change_control( 903 dc->res_pool->hubbub, false, false); 904 905 if (dc->res_pool->hubbub->funcs->init_crb) 906 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub); 907 908 if (dc->res_pool->hubbub->funcs->set_request_limit && dc->config.sdpif_request_limit_words_per_umc > 0) 909 dc->res_pool->hubbub->funcs->set_request_limit(dc->res_pool->hubbub, dc->ctx->dc_bios->vram_info.num_chans, dc->config.sdpif_request_limit_words_per_umc); 910 911 // Get DMCUB capabilities 912 if (dc->ctx->dmub_srv) { 913 dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv->dmub); 914 dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr; 915 } 916 } 917 918 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, 919 int opp_cnt) 920 { 921 bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); 922 int flow_ctrl_cnt; 923 924 if (opp_cnt >= 2) 925 hblank_halved = true; 926 927 flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - 928 stream->timing.h_border_left - 929 stream->timing.h_border_right; 930 931 if (hblank_halved) 932 flow_ctrl_cnt /= 2; 933 934 /* ODM combine 4:1 case */ 935 if (opp_cnt == 4) 936 flow_ctrl_cnt /= 2; 937 938 return flow_ctrl_cnt; 939 } 940 941 static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) 942 { 943 struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; 944 struct dc_stream_state *stream = pipe_ctx->stream; 945 struct pipe_ctx *odm_pipe; 946 int opp_cnt = 1; 947 948 ASSERT(dsc); 949 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) 950 opp_cnt++; 951 952 if (enable) { 953 struct dsc_config dsc_cfg; 954 struct dsc_optc_config dsc_optc_cfg; 955 enum optc_dsc_mode optc_dsc_mode; 956 957 /* Enable DSC hw block */ 958 dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt; 959 dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; 960 dsc_cfg.pixel_encoding = stream->timing.pixel_encoding; 961 dsc_cfg.color_depth = stream->timing.display_color_depth; 962 dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false; 963 dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg; 964 ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0); 965 dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; 966 967 dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg); 968 dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst); 969 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 970 struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc; 971 972 ASSERT(odm_dsc); 973 odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg); 974 odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst); 975 } 976 dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt; 977 dsc_cfg.pic_width *= opp_cnt; 978 979 optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED; 980 981 /* Enable DSC in OPTC */ 982 DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst); 983 pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg, 984 optc_dsc_mode, 985 dsc_optc_cfg.bytes_per_pixel, 986 dsc_optc_cfg.slice_width); 987 } else { 988 /* disable DSC in OPTC */ 989 pipe_ctx->stream_res.tg->funcs->set_dsc_config( 990 pipe_ctx->stream_res.tg, 991 OPTC_DSC_DISABLED, 0, 0); 992 993 /* disable DSC block */ 994 dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc); 995 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 996 ASSERT(odm_pipe->stream_res.dsc); 997 odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); 998 } 999 } 1000 } 1001 1002 /* 1003 * Given any pipe_ctx, return the total ODM combine factor, and optionally return 1004 * the OPPids which are used 1005 * */ 1006 static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances) 1007 { 1008 unsigned int opp_count = 1; 1009 struct pipe_ctx *odm_pipe; 1010 1011 /* First get to the top pipe */ 1012 for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe) 1013 ; 1014 1015 /* First pipe is always used */ 1016 if (opp_instances) 1017 opp_instances[0] = odm_pipe->stream_res.opp->inst; 1018 1019 /* Find and count odm pipes, if any */ 1020 for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 1021 if (opp_instances) 1022 opp_instances[opp_count] = odm_pipe->stream_res.opp->inst; 1023 opp_count++; 1024 } 1025 1026 return opp_count; 1027 } 1028 1029 void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx) 1030 { 1031 struct pipe_ctx *odm_pipe; 1032 int opp_cnt = 0; 1033 int opp_inst[MAX_PIPES] = {0}; 1034 bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); 1035 struct mpc_dwb_flow_control flow_control; 1036 struct mpc *mpc = dc->res_pool->mpc; 1037 int i; 1038 1039 opp_cnt = get_odm_config(pipe_ctx, opp_inst); 1040 1041 if (opp_cnt > 1) 1042 pipe_ctx->stream_res.tg->funcs->set_odm_combine( 1043 pipe_ctx->stream_res.tg, 1044 opp_inst, opp_cnt, 1045 &pipe_ctx->stream->timing); 1046 else 1047 pipe_ctx->stream_res.tg->funcs->set_odm_bypass( 1048 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); 1049 1050 rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; 1051 flow_control.flow_ctrl_mode = 0; 1052 flow_control.flow_ctrl_cnt0 = 0x80; 1053 flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); 1054 if (mpc->funcs->set_out_rate_control) { 1055 for (i = 0; i < opp_cnt; ++i) { 1056 mpc->funcs->set_out_rate_control( 1057 mpc, opp_inst[i], 1058 true, 1059 rate_control_2x_pclk, 1060 &flow_control); 1061 } 1062 } 1063 1064 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 1065 odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( 1066 odm_pipe->stream_res.opp, 1067 true); 1068 } 1069 1070 if (pipe_ctx->stream_res.dsc) { 1071 struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx]; 1072 1073 update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC); 1074 1075 /* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */ 1076 if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe && 1077 current_pipe_ctx->next_odm_pipe->stream_res.dsc) { 1078 struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc; 1079 /* disconnect DSC block from stream */ 1080 dsc->funcs->dsc_disconnect(dsc); 1081 } 1082 } 1083 } 1084 1085 unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) 1086 { 1087 struct dc_stream_state *stream = pipe_ctx->stream; 1088 unsigned int odm_combine_factor = 0; 1089 bool two_pix_per_container = false; 1090 1091 // For phantom pipes, use the same programming as the main pipes 1092 if (pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) { 1093 stream = pipe_ctx->stream->mall_stream_config.paired_stream; 1094 } 1095 two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing); 1096 odm_combine_factor = get_odm_config(pipe_ctx, NULL); 1097 1098 if (link_is_dp_128b_132b_signal(pipe_ctx)) { 1099 *k1_div = PIXEL_RATE_DIV_BY_1; 1100 *k2_div = PIXEL_RATE_DIV_BY_1; 1101 } else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) { 1102 *k1_div = PIXEL_RATE_DIV_BY_1; 1103 if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) 1104 *k2_div = PIXEL_RATE_DIV_BY_2; 1105 else 1106 *k2_div = PIXEL_RATE_DIV_BY_4; 1107 } else if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) { 1108 if (two_pix_per_container) { 1109 *k1_div = PIXEL_RATE_DIV_BY_1; 1110 *k2_div = PIXEL_RATE_DIV_BY_2; 1111 } else { 1112 *k1_div = PIXEL_RATE_DIV_BY_1; 1113 *k2_div = PIXEL_RATE_DIV_BY_4; 1114 if ((odm_combine_factor == 2) || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx)) 1115 *k2_div = PIXEL_RATE_DIV_BY_2; 1116 } 1117 } 1118 1119 if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA)) 1120 ASSERT(false); 1121 1122 return odm_combine_factor; 1123 } 1124 1125 void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) 1126 { 1127 uint32_t pix_per_cycle = 1; 1128 uint32_t odm_combine_factor = 1; 1129 1130 if (!pipe_ctx || !pipe_ctx->stream || !pipe_ctx->stream_res.stream_enc) 1131 return; 1132 1133 odm_combine_factor = get_odm_config(pipe_ctx, NULL); 1134 if (optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing) || odm_combine_factor > 1 1135 || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx)) 1136 pix_per_cycle = 2; 1137 1138 if (pipe_ctx->stream_res.stream_enc->funcs->set_input_mode) 1139 pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc, 1140 pix_per_cycle); 1141 } 1142 1143 void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx, 1144 struct dc_link_settings *link_settings) 1145 { 1146 struct encoder_unblank_param params = {0}; 1147 struct dc_stream_state *stream = pipe_ctx->stream; 1148 struct dc_link *link = stream->link; 1149 struct dce_hwseq *hws = link->dc->hwseq; 1150 struct pipe_ctx *odm_pipe; 1151 uint32_t pix_per_cycle = 1; 1152 1153 params.opp_cnt = 1; 1154 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) 1155 params.opp_cnt++; 1156 1157 /* only 3 items below are used by unblank */ 1158 params.timing = pipe_ctx->stream->timing; 1159 1160 params.link_settings.link_rate = link_settings->link_rate; 1161 1162 if (link_is_dp_128b_132b_signal(pipe_ctx)) { 1163 /* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */ 1164 pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank( 1165 pipe_ctx->stream_res.hpo_dp_stream_enc, 1166 pipe_ctx->stream_res.tg->inst); 1167 } else if (dc_is_dp_signal(pipe_ctx->stream->signal)) { 1168 if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1 1169 || dcn32_is_dp_dig_pixel_rate_div_policy(pipe_ctx)) { 1170 params.timing.pix_clk_100hz /= 2; 1171 pix_per_cycle = 2; 1172 } 1173 pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine( 1174 pipe_ctx->stream_res.stream_enc, pix_per_cycle > 1); 1175 pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, ¶ms); 1176 } 1177 1178 if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) 1179 hws->funcs.edp_backlight_control(link, true); 1180 } 1181 1182 bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx) 1183 { 1184 struct dc *dc = pipe_ctx->stream->ctx->dc; 1185 1186 if (!is_h_timing_divisible_by_2(pipe_ctx->stream)) 1187 return false; 1188 1189 if (dc_is_dp_signal(pipe_ctx->stream->signal) && !link_is_dp_128b_132b_signal(pipe_ctx) && 1190 dc->debug.enable_dp_dig_pixel_rate_div_policy) 1191 return true; 1192 return false; 1193 } 1194 1195 static void apply_symclk_on_tx_off_wa(struct dc_link *link) 1196 { 1197 /* There are use cases where SYMCLK is referenced by OTG. For instance 1198 * for TMDS signal, OTG relies SYMCLK even if TX video output is off. 1199 * However current link interface will power off PHY when disabling link 1200 * output. This will turn off SYMCLK generated by PHY. The workaround is 1201 * to identify such case where SYMCLK is still in use by OTG when we 1202 * power off PHY. When this is detected, we will temporarily power PHY 1203 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling 1204 * program_pix_clk interface. When OTG is disabled, we will then power 1205 * off PHY by calling disable link output again. 1206 * 1207 * In future dcn generations, we plan to rework transmitter control 1208 * interface so that we could have an option to set SYMCLK ON TX OFF 1209 * state in one step without this workaround 1210 */ 1211 1212 struct dc *dc = link->ctx->dc; 1213 struct pipe_ctx *pipe_ctx = NULL; 1214 uint8_t i; 1215 1216 if (link->phy_state.symclk_ref_cnts.otg > 0) { 1217 for (i = 0; i < MAX_PIPES; i++) { 1218 pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; 1219 if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) { 1220 pipe_ctx->clock_source->funcs->program_pix_clk( 1221 pipe_ctx->clock_source, 1222 &pipe_ctx->stream_res.pix_clk_params, 1223 link_dp_get_encoding_format(&pipe_ctx->link_config.dp_link_settings), 1224 &pipe_ctx->pll_settings); 1225 link->phy_state.symclk_state = SYMCLK_ON_TX_OFF; 1226 break; 1227 } 1228 } 1229 } 1230 } 1231 1232 void dcn32_disable_link_output(struct dc_link *link, 1233 const struct link_resource *link_res, 1234 enum signal_type signal) 1235 { 1236 struct dc *dc = link->ctx->dc; 1237 const struct link_hwss *link_hwss = get_link_hwss(link, link_res); 1238 struct dmcu *dmcu = dc->res_pool->dmcu; 1239 1240 if (signal == SIGNAL_TYPE_EDP && 1241 link->dc->hwss.edp_backlight_control) 1242 link->dc->hwss.edp_backlight_control(link, false); 1243 else if (dmcu != NULL && dmcu->funcs->lock_phy) 1244 dmcu->funcs->lock_phy(dmcu); 1245 1246 link_hwss->disable_link_output(link, link_res, signal); 1247 link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF; 1248 1249 if (signal == SIGNAL_TYPE_EDP && 1250 link->dc->hwss.edp_backlight_control) 1251 link->dc->hwss.edp_power_control(link, false); 1252 else if (dmcu != NULL && dmcu->funcs->lock_phy) 1253 dmcu->funcs->unlock_phy(dmcu); 1254 1255 dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); 1256 1257 apply_symclk_on_tx_off_wa(link); 1258 } 1259 1260 /* For SubVP the main pipe can have a viewport position change 1261 * without a full update. In this case we must also update the 1262 * viewport positions for the phantom pipe accordingly. 1263 */ 1264 void dcn32_update_phantom_vp_position(struct dc *dc, 1265 struct dc_state *context, 1266 struct pipe_ctx *phantom_pipe) 1267 { 1268 uint32_t i; 1269 struct dc_plane_state *phantom_plane = phantom_pipe->plane_state; 1270 1271 for (i = 0; i < dc->res_pool->pipe_count; i++) { 1272 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 1273 1274 if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN && 1275 pipe->stream->mall_stream_config.paired_stream == phantom_pipe->stream) { 1276 if (pipe->plane_state && pipe->plane_state->update_flags.bits.position_change) { 1277 1278 phantom_plane->src_rect.x = pipe->plane_state->src_rect.x; 1279 phantom_plane->src_rect.y = pipe->plane_state->src_rect.y; 1280 phantom_plane->clip_rect.x = pipe->plane_state->clip_rect.x; 1281 phantom_plane->dst_rect.x = pipe->plane_state->dst_rect.x; 1282 phantom_plane->dst_rect.y = pipe->plane_state->dst_rect.y; 1283 1284 phantom_pipe->plane_state->update_flags.bits.position_change = 1; 1285 resource_build_scaling_params(phantom_pipe); 1286 return; 1287 } 1288 } 1289 } 1290 } 1291 1292 /* Treat the phantom pipe as if it needs to be fully enabled. 1293 * If the pipe was previously in use but not phantom, it would 1294 * have been disabled earlier in the sequence so we need to run 1295 * the full enable sequence. 1296 */ 1297 void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe) 1298 { 1299 phantom_pipe->update_flags.raw = 0; 1300 if (phantom_pipe->stream && phantom_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { 1301 if (phantom_pipe->stream && phantom_pipe->plane_state) { 1302 phantom_pipe->update_flags.bits.enable = 1; 1303 phantom_pipe->update_flags.bits.mpcc = 1; 1304 phantom_pipe->update_flags.bits.dppclk = 1; 1305 phantom_pipe->update_flags.bits.hubp_interdependent = 1; 1306 phantom_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1; 1307 phantom_pipe->update_flags.bits.gamut_remap = 1; 1308 phantom_pipe->update_flags.bits.scaler = 1; 1309 phantom_pipe->update_flags.bits.viewport = 1; 1310 phantom_pipe->update_flags.bits.det_size = 1; 1311 if (!phantom_pipe->top_pipe && !phantom_pipe->prev_odm_pipe) { 1312 phantom_pipe->update_flags.bits.odm = 1; 1313 phantom_pipe->update_flags.bits.global_sync = 1; 1314 } 1315 } 1316 } 1317 } 1318 1319 bool dcn32_dsc_pg_status( 1320 struct dce_hwseq *hws, 1321 unsigned int dsc_inst) 1322 { 1323 uint32_t pwr_status = 0; 1324 1325 switch (dsc_inst) { 1326 case 0: /* DSC0 */ 1327 REG_GET(DOMAIN16_PG_STATUS, 1328 DOMAIN_PGFSM_PWR_STATUS, &pwr_status); 1329 break; 1330 case 1: /* DSC1 */ 1331 1332 REG_GET(DOMAIN17_PG_STATUS, 1333 DOMAIN_PGFSM_PWR_STATUS, &pwr_status); 1334 break; 1335 case 2: /* DSC2 */ 1336 REG_GET(DOMAIN18_PG_STATUS, 1337 DOMAIN_PGFSM_PWR_STATUS, &pwr_status); 1338 break; 1339 case 3: /* DSC3 */ 1340 REG_GET(DOMAIN19_PG_STATUS, 1341 DOMAIN_PGFSM_PWR_STATUS, &pwr_status); 1342 break; 1343 default: 1344 BREAK_TO_DEBUGGER(); 1345 break; 1346 } 1347 1348 return pwr_status == 0; 1349 } 1350 1351 void dcn32_update_dsc_pg(struct dc *dc, 1352 struct dc_state *context, 1353 bool safe_to_disable) 1354 { 1355 struct dce_hwseq *hws = dc->hwseq; 1356 int i; 1357 1358 for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) { 1359 struct display_stream_compressor *dsc = dc->res_pool->dscs[i]; 1360 bool is_dsc_ungated = hws->funcs.dsc_pg_status(hws, dsc->inst); 1361 1362 if (context->res_ctx.is_dsc_acquired[i]) { 1363 if (!is_dsc_ungated) { 1364 hws->funcs.dsc_pg_control(hws, dsc->inst, true); 1365 } 1366 } else if (safe_to_disable) { 1367 if (is_dsc_ungated) { 1368 hws->funcs.dsc_pg_control(hws, dsc->inst, false); 1369 } 1370 } 1371 } 1372 } 1373 1374 void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context) 1375 { 1376 unsigned int i; 1377 1378 for (i = 0; i < dc->res_pool->pipe_count; i++) { 1379 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 1380 struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; 1381 1382 /* If an active, non-phantom pipe is being transitioned into a phantom 1383 * pipe, wait for the double buffer update to complete first before we do 1384 * ANY phantom pipe programming. 1385 */ 1386 if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM && 1387 old_pipe->stream && old_pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) { 1388 old_pipe->stream_res.tg->funcs->wait_for_state( 1389 old_pipe->stream_res.tg, 1390 CRTC_STATE_VBLANK); 1391 old_pipe->stream_res.tg->funcs->wait_for_state( 1392 old_pipe->stream_res.tg, 1393 CRTC_STATE_VACTIVE); 1394 } 1395 } 1396 for (i = 0; i < dc->res_pool->pipe_count; i++) { 1397 struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; 1398 1399 if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { 1400 // If old context or new context has phantom pipes, apply 1401 // the phantom timings now. We can't change the phantom 1402 // pipe configuration safely without driver acquiring 1403 // the DMCUB lock first. 1404 dc->hwss.apply_ctx_to_hw(dc, context); 1405 break; 1406 } 1407 } 1408 } 1409