1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright 2022 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 27 28 #include "dm_services.h" 29 #include "dm_helpers.h" 30 #include "core_types.h" 31 #include "resource.h" 32 #include "dccg.h" 33 #include "dce/dce_hwseq.h" 34 #include "clk_mgr.h" 35 #include "reg_helper.h" 36 #include "abm.h" 37 #include "hubp.h" 38 #include "dchubbub.h" 39 #include "timing_generator.h" 40 #include "opp.h" 41 #include "ipp.h" 42 #include "mpc.h" 43 #include "mcif_wb.h" 44 #include "dc_dmub_srv.h" 45 #include "dcn314_hwseq.h" 46 #include "link_hwss.h" 47 #include "dpcd_defs.h" 48 #include "dce/dmub_outbox.h" 49 #include "link.h" 50 #include "dcn10/dcn10_hwseq.h" 51 #include "inc/link_enc_cfg.h" 52 #include "dcn30/dcn30_vpg.h" 53 #include "dce/dce_i2c_hw.h" 54 #include "dsc.h" 55 #include "dcn20/dcn20_optc.h" 56 #include "dcn30/dcn30_cm_common.h" 57 58 #define DC_LOGGER_INIT(logger) 59 60 #define CTX \ 61 hws->ctx 62 #define REG(reg)\ 63 hws->regs->reg 64 #define DC_LOGGER \ 65 stream->ctx->logger 66 67 68 #undef FN 69 #define FN(reg_name, field_name) \ 70 hws->shifts->field_name, hws->masks->field_name 71 72 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, 73 int opp_cnt) 74 { 75 bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); 76 int flow_ctrl_cnt; 77 78 if (opp_cnt >= 2) 79 hblank_halved = true; 80 81 flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - 82 stream->timing.h_border_left - 83 stream->timing.h_border_right; 84 85 if (hblank_halved) 86 flow_ctrl_cnt /= 2; 87 88 /* ODM combine 4:1 case */ 89 if (opp_cnt == 4) 90 flow_ctrl_cnt /= 2; 91 92 return flow_ctrl_cnt; 93 } 94 95 static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) 96 { 97 struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; 98 struct dc_stream_state *stream = pipe_ctx->stream; 99 struct pipe_ctx *odm_pipe; 100 int opp_cnt = 1; 101 102 ASSERT(dsc); 103 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) 104 opp_cnt++; 105 106 if (enable) { 107 struct dsc_config dsc_cfg; 108 struct dsc_optc_config dsc_optc_cfg; 109 enum optc_dsc_mode optc_dsc_mode; 110 111 /* Enable DSC hw block */ 112 dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt; 113 dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; 114 dsc_cfg.pixel_encoding = stream->timing.pixel_encoding; 115 dsc_cfg.color_depth = stream->timing.display_color_depth; 116 dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false; 117 dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg; 118 ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0); 119 dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; 120 121 dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg); 122 dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst); 123 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 124 struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc; 125 126 ASSERT(odm_dsc); 127 odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg); 128 odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst); 129 } 130 dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt; 131 dsc_cfg.pic_width *= opp_cnt; 132 133 optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED; 134 135 /* Enable DSC in OPTC */ 136 DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst); 137 pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg, 138 optc_dsc_mode, 139 dsc_optc_cfg.bytes_per_pixel, 140 dsc_optc_cfg.slice_width); 141 } else { 142 /* disable DSC in OPTC */ 143 pipe_ctx->stream_res.tg->funcs->set_dsc_config( 144 pipe_ctx->stream_res.tg, 145 OPTC_DSC_DISABLED, 0, 0); 146 147 /* disable DSC block */ 148 dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc); 149 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 150 ASSERT(odm_pipe->stream_res.dsc); 151 odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); 152 } 153 } 154 } 155 156 // Given any pipe_ctx, return the total ODM combine factor, and optionally return 157 // the OPPids which are used 158 static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances) 159 { 160 unsigned int opp_count = 1; 161 struct pipe_ctx *odm_pipe; 162 163 // First get to the top pipe 164 for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe) 165 ; 166 167 // First pipe is always used 168 if (opp_instances) 169 opp_instances[0] = odm_pipe->stream_res.opp->inst; 170 171 // Find and count odm pipes, if any 172 for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 173 if (opp_instances) 174 opp_instances[opp_count] = odm_pipe->stream_res.opp->inst; 175 opp_count++; 176 } 177 178 return opp_count; 179 } 180 181 void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx) 182 { 183 struct pipe_ctx *odm_pipe; 184 int opp_cnt = 0; 185 int opp_inst[MAX_PIPES] = {0}; 186 bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); 187 struct mpc_dwb_flow_control flow_control; 188 struct mpc *mpc = dc->res_pool->mpc; 189 int i; 190 191 opp_cnt = get_odm_config(pipe_ctx, opp_inst); 192 193 if (opp_cnt > 1) 194 pipe_ctx->stream_res.tg->funcs->set_odm_combine( 195 pipe_ctx->stream_res.tg, 196 opp_inst, opp_cnt, 197 &pipe_ctx->stream->timing); 198 else 199 pipe_ctx->stream_res.tg->funcs->set_odm_bypass( 200 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); 201 202 rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; 203 flow_control.flow_ctrl_mode = 0; 204 flow_control.flow_ctrl_cnt0 = 0x80; 205 flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); 206 if (mpc->funcs->set_out_rate_control) { 207 for (i = 0; i < opp_cnt; ++i) { 208 mpc->funcs->set_out_rate_control( 209 mpc, opp_inst[i], 210 true, 211 rate_control_2x_pclk, 212 &flow_control); 213 } 214 } 215 216 for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { 217 odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( 218 odm_pipe->stream_res.opp, 219 true); 220 } 221 222 if (pipe_ctx->stream_res.dsc) { 223 struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx]; 224 225 update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC); 226 227 /* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */ 228 if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe && 229 current_pipe_ctx->next_odm_pipe->stream_res.dsc) { 230 struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc; 231 /* disconnect DSC block from stream */ 232 dsc->funcs->dsc_disconnect(dsc); 233 } 234 } 235 } 236 237 void dcn314_dsc_pg_control( 238 struct dce_hwseq *hws, 239 unsigned int dsc_inst, 240 bool power_on) 241 { 242 uint32_t power_gate = power_on ? 0 : 1; 243 uint32_t pwr_status = power_on ? 0 : 2; 244 uint32_t org_ip_request_cntl = 0; 245 246 if (hws->ctx->dc->debug.disable_dsc_power_gate) 247 return; 248 249 if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc && 250 hws->ctx->dc->res_pool->dccg->funcs->enable_dsc && 251 power_on) 252 hws->ctx->dc->res_pool->dccg->funcs->enable_dsc( 253 hws->ctx->dc->res_pool->dccg, dsc_inst); 254 255 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); 256 if (org_ip_request_cntl == 0) 257 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); 258 259 switch (dsc_inst) { 260 case 0: /* DSC0 */ 261 REG_UPDATE(DOMAIN16_PG_CONFIG, 262 DOMAIN_POWER_GATE, power_gate); 263 264 REG_WAIT(DOMAIN16_PG_STATUS, 265 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 266 1, 1000); 267 break; 268 case 1: /* DSC1 */ 269 REG_UPDATE(DOMAIN17_PG_CONFIG, 270 DOMAIN_POWER_GATE, power_gate); 271 272 REG_WAIT(DOMAIN17_PG_STATUS, 273 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 274 1, 1000); 275 break; 276 case 2: /* DSC2 */ 277 REG_UPDATE(DOMAIN18_PG_CONFIG, 278 DOMAIN_POWER_GATE, power_gate); 279 280 REG_WAIT(DOMAIN18_PG_STATUS, 281 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 282 1, 1000); 283 break; 284 case 3: /* DSC3 */ 285 REG_UPDATE(DOMAIN19_PG_CONFIG, 286 DOMAIN_POWER_GATE, power_gate); 287 288 REG_WAIT(DOMAIN19_PG_STATUS, 289 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 290 1, 1000); 291 break; 292 default: 293 BREAK_TO_DEBUGGER(); 294 break; 295 } 296 297 if (org_ip_request_cntl == 0) 298 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); 299 300 if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) { 301 if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on) 302 hws->ctx->dc->res_pool->dccg->funcs->disable_dsc( 303 hws->ctx->dc->res_pool->dccg, dsc_inst); 304 } 305 306 } 307 308 void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable) 309 { 310 bool force_on = true; /* disable power gating */ 311 uint32_t org_ip_request_cntl = 0; 312 313 if (enable && !hws->ctx->dc->debug.disable_hubp_power_gate) 314 force_on = false; 315 316 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); 317 if (org_ip_request_cntl == 0) 318 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); 319 /* DCHUBP0/1/2/3/4/5 */ 320 REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 321 REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 322 /* DPP0/1/2/3/4/5 */ 323 REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 324 REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 325 326 force_on = true; /* disable power gating */ 327 if (enable && !hws->ctx->dc->debug.disable_dsc_power_gate) 328 force_on = false; 329 330 /* DCS0/1/2/3/4 */ 331 REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 332 REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 333 REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 334 REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 335 336 if (org_ip_request_cntl == 0) 337 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); 338 } 339 340 unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) 341 { 342 struct dc_stream_state *stream = pipe_ctx->stream; 343 unsigned int odm_combine_factor = 0; 344 bool two_pix_per_container = false; 345 346 two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing); 347 odm_combine_factor = get_odm_config(pipe_ctx, NULL); 348 349 if (stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) { 350 *k1_div = PIXEL_RATE_DIV_BY_1; 351 *k2_div = PIXEL_RATE_DIV_BY_1; 352 } else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) { 353 *k1_div = PIXEL_RATE_DIV_BY_1; 354 if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) 355 *k2_div = PIXEL_RATE_DIV_BY_2; 356 else 357 *k2_div = PIXEL_RATE_DIV_BY_4; 358 } else if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) { 359 if (two_pix_per_container) { 360 *k1_div = PIXEL_RATE_DIV_BY_1; 361 *k2_div = PIXEL_RATE_DIV_BY_2; 362 } else { 363 *k1_div = PIXEL_RATE_DIV_BY_1; 364 *k2_div = PIXEL_RATE_DIV_BY_4; 365 if (odm_combine_factor == 2) 366 *k2_div = PIXEL_RATE_DIV_BY_2; 367 } 368 } 369 370 if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA)) 371 ASSERT(false); 372 373 return odm_combine_factor; 374 } 375 376 void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) 377 { 378 uint32_t pix_per_cycle = 1; 379 uint32_t odm_combine_factor = 1; 380 381 if (!pipe_ctx || !pipe_ctx->stream || !pipe_ctx->stream_res.stream_enc) 382 return; 383 384 odm_combine_factor = get_odm_config(pipe_ctx, NULL); 385 if (optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing) || odm_combine_factor > 1) 386 pix_per_cycle = 2; 387 388 if (pipe_ctx->stream_res.stream_enc->funcs->set_input_mode) 389 pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc, 390 pix_per_cycle); 391 } 392 393 void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context) 394 { 395 unsigned int i; 396 struct pipe_ctx *pipe = NULL; 397 bool otg_disabled[MAX_PIPES] = {false}; 398 399 for (i = 0; i < dc->res_pool->pipe_count; i++) { 400 pipe = &dc->current_state->res_ctx.pipe_ctx[i]; 401 402 if (pipe->top_pipe || pipe->prev_odm_pipe) 403 continue; 404 405 if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))) { 406 pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg); 407 reset_sync_context_for_pipe(dc, context, i); 408 otg_disabled[i] = true; 409 } 410 } 411 412 hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg); 413 414 for (i = 0; i < dc->res_pool->pipe_count; i++) { 415 pipe = &dc->current_state->res_ctx.pipe_ctx[i]; 416 417 if (otg_disabled[i]) 418 pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); 419 } 420 } 421 422 void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on) 423 { 424 if (!hws->ctx->dc->debug.root_clock_optimization.bits.dpp) 425 return; 426 427 if (hws->ctx->dc->res_pool->dccg->funcs->dpp_root_clock_control) 428 hws->ctx->dc->res_pool->dccg->funcs->dpp_root_clock_control( 429 hws->ctx->dc->res_pool->dccg, dpp_inst, clock_on); 430 } 431 432 static void apply_symclk_on_tx_off_wa(struct dc_link *link) 433 { 434 /* There are use cases where SYMCLK is referenced by OTG. For instance 435 * for TMDS signal, OTG relies SYMCLK even if TX video output is off. 436 * However current link interface will power off PHY when disabling link 437 * output. This will turn off SYMCLK generated by PHY. The workaround is 438 * to identify such case where SYMCLK is still in use by OTG when we 439 * power off PHY. When this is detected, we will temporarily power PHY 440 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling 441 * program_pix_clk interface. When OTG is disabled, we will then power 442 * off PHY by calling disable link output again. 443 * 444 * In future dcn generations, we plan to rework transmitter control 445 * interface so that we could have an option to set SYMCLK ON TX OFF 446 * state in one step without this workaround 447 */ 448 449 struct dc *dc = link->ctx->dc; 450 struct pipe_ctx *pipe_ctx = NULL; 451 uint8_t i; 452 453 if (link->phy_state.symclk_ref_cnts.otg > 0) { 454 for (i = 0; i < MAX_PIPES; i++) { 455 pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; 456 if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) { 457 pipe_ctx->clock_source->funcs->program_pix_clk( 458 pipe_ctx->clock_source, 459 &pipe_ctx->stream_res.pix_clk_params, 460 dc->link_srv->dp_get_encoding_format( 461 &pipe_ctx->link_config.dp_link_settings), 462 &pipe_ctx->pll_settings); 463 link->phy_state.symclk_state = SYMCLK_ON_TX_OFF; 464 break; 465 } 466 } 467 } 468 } 469 470 void dcn314_disable_link_output(struct dc_link *link, 471 const struct link_resource *link_res, 472 enum signal_type signal) 473 { 474 struct dc *dc = link->ctx->dc; 475 const struct link_hwss *link_hwss = get_link_hwss(link, link_res); 476 struct dmcu *dmcu = dc->res_pool->dmcu; 477 478 if (signal == SIGNAL_TYPE_EDP && 479 link->dc->hwss.edp_backlight_control && 480 !link->skip_implict_edp_power_control) 481 link->dc->hwss.edp_backlight_control(link, false); 482 else if (dmcu != NULL && dmcu->funcs->lock_phy) 483 dmcu->funcs->lock_phy(dmcu); 484 485 link_hwss->disable_link_output(link, link_res, signal); 486 link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF; 487 /* 488 * Add the logic to extract BOTH power up and power down sequences 489 * from enable/disable link output and only call edp panel control 490 * in enable_link_dp and disable_link_dp once. 491 */ 492 if (dmcu != NULL && dmcu->funcs->lock_phy) 493 dmcu->funcs->unlock_phy(dmcu); 494 dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); 495 496 apply_symclk_on_tx_off_wa(link); 497 } 498