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 "clk_mgr.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 "dcn31_hwseq.h" 45 #include "link_hwss.h" 46 #include "dpcd_defs.h" 47 #include "dce/dmub_outbox.h" 48 #include "dc_link_dp.h" 49 #include "inc/link_dpcd.h" 50 51 #define DC_LOGGER_INIT(logger) 52 53 #define CTX \ 54 hws->ctx 55 #define REG(reg)\ 56 hws->regs->reg 57 #define DC_LOGGER \ 58 dc->ctx->logger 59 60 61 #undef FN 62 #define FN(reg_name, field_name) \ 63 hws->shifts->field_name, hws->masks->field_name 64 65 void dcn31_init_hw(struct dc *dc) 66 { 67 struct abm **abms = dc->res_pool->multiple_abms; 68 struct dce_hwseq *hws = dc->hwseq; 69 struct dc_bios *dcb = dc->ctx->dc_bios; 70 struct resource_pool *res_pool = dc->res_pool; 71 uint32_t backlight = MAX_BACKLIGHT_LEVEL; 72 int i, j; 73 int edp_num; 74 75 if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks) 76 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr); 77 78 // Initialize the dccg 79 if (res_pool->dccg->funcs->dccg_init) 80 res_pool->dccg->funcs->dccg_init(res_pool->dccg); 81 82 if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { 83 84 REG_WRITE(REFCLK_CNTL, 0); 85 REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1); 86 REG_WRITE(DIO_MEM_PWR_CTRL, 0); 87 88 if (!dc->debug.disable_clock_gate) { 89 /* enable all DCN clock gating */ 90 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); 91 92 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); 93 94 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0); 95 } 96 97 //Enable ability to power gate / don't force power on permanently 98 if (hws->funcs.enable_power_gating_plane) 99 hws->funcs.enable_power_gating_plane(hws, true); 100 101 return; 102 } 103 104 if (!dcb->funcs->is_accelerated_mode(dcb)) { 105 hws->funcs.bios_golden_init(dc); 106 hws->funcs.disable_vga(dc->hwseq); 107 } 108 109 if (dc->debug.enable_mem_low_power.bits.dmcu) { 110 // Force ERAM to shutdown if DMCU is not enabled 111 if (dc->debug.disable_dmcu || dc->config.disable_dmcu) { 112 REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3); 113 } 114 } 115 116 // Set default OPTC memory power states 117 if (dc->debug.enable_mem_low_power.bits.optc) { 118 // Shutdown when unassigned and light sleep in VBLANK 119 REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1); 120 } 121 122 if (dc->debug.enable_mem_low_power.bits.vga) { 123 // Power down VGA memory 124 REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1); 125 } 126 127 if (dc->ctx->dc_bios->fw_info_valid) { 128 res_pool->ref_clocks.xtalin_clock_inKhz = 129 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency; 130 131 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { 132 if (res_pool->dccg && res_pool->hubbub) { 133 134 (res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg, 135 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency, 136 &res_pool->ref_clocks.dccg_ref_clock_inKhz); 137 138 (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub, 139 res_pool->ref_clocks.dccg_ref_clock_inKhz, 140 &res_pool->ref_clocks.dchub_ref_clock_inKhz); 141 } else { 142 // Not all ASICs have DCCG sw component 143 res_pool->ref_clocks.dccg_ref_clock_inKhz = 144 res_pool->ref_clocks.xtalin_clock_inKhz; 145 res_pool->ref_clocks.dchub_ref_clock_inKhz = 146 res_pool->ref_clocks.xtalin_clock_inKhz; 147 } 148 } 149 } else 150 ASSERT_CRITICAL(false); 151 152 for (i = 0; i < dc->link_count; i++) { 153 /* Power up AND update implementation according to the 154 * required signal (which may be different from the 155 * default signal on connector). 156 */ 157 struct dc_link *link = dc->links[i]; 158 159 link->link_enc->funcs->hw_init(link->link_enc); 160 161 /* Check for enabled DIG to identify enabled display */ 162 if (link->link_enc->funcs->is_dig_enabled && 163 link->link_enc->funcs->is_dig_enabled(link->link_enc)) 164 link->link_status.link_active = true; 165 } 166 167 /* Power gate DSCs */ 168 for (i = 0; i < res_pool->res_cap->num_dsc; i++) 169 if (hws->funcs.dsc_pg_control != NULL) 170 hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false); 171 172 /* we want to turn off all dp displays before doing detection */ 173 if (dc->config.power_down_display_on_boot) { 174 uint8_t dpcd_power_state = '\0'; 175 enum dc_status status = DC_ERROR_UNEXPECTED; 176 177 for (i = 0; i < dc->link_count; i++) { 178 if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) 179 continue; 180 181 /* if any of the displays are lit up turn them off */ 182 status = core_link_read_dpcd(dc->links[i], DP_SET_POWER, 183 &dpcd_power_state, sizeof(dpcd_power_state)); 184 if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) { 185 /* blank dp stream before power off receiver*/ 186 if (dc->links[i]->link_enc->funcs->get_dig_frontend) { 187 unsigned int fe; 188 189 fe = dc->links[i]->link_enc->funcs->get_dig_frontend( 190 dc->links[i]->link_enc); 191 if (fe == ENGINE_ID_UNKNOWN) 192 continue; 193 194 for (j = 0; j < dc->res_pool->stream_enc_count; j++) { 195 if (fe == dc->res_pool->stream_enc[j]->id) { 196 dc->res_pool->stream_enc[j]->funcs->dp_blank( 197 dc->res_pool->stream_enc[j]); 198 break; 199 } 200 } 201 } 202 dp_receiver_power_ctrl(dc->links[i], false); 203 } 204 } 205 } 206 207 /* If taking control over from VBIOS, we may want to optimize our first 208 * mode set, so we need to skip powering down pipes until we know which 209 * pipes we want to use. 210 * Otherwise, if taking control is not possible, we need to power 211 * everything down. 212 */ 213 if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.power_down_display_on_boot) { 214 hws->funcs.init_pipes(dc, dc->current_state); 215 if (dc->res_pool->hubbub->funcs->allow_self_refresh_control) 216 dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, 217 !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter); 218 } 219 220 /* In headless boot cases, DIG may be turned 221 * on which causes HW/SW discrepancies. 222 * To avoid this, power down hardware on boot 223 * if DIG is turned on and seamless boot not enabled 224 */ 225 if (dc->config.power_down_display_on_boot) { 226 struct dc_link *edp_links[MAX_NUM_EDP]; 227 struct dc_link *edp_link; 228 229 get_edp_links(dc, edp_links, &edp_num); 230 if (edp_num) { 231 for (i = 0; i < edp_num; i++) { 232 edp_link = edp_links[i]; 233 if (edp_link->link_enc->funcs->is_dig_enabled && 234 edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) && 235 dc->hwss.edp_backlight_control && 236 dc->hwss.power_down && 237 dc->hwss.edp_power_control) { 238 dc->hwss.edp_backlight_control(edp_link, false); 239 dc->hwss.power_down(dc); 240 dc->hwss.edp_power_control(edp_link, false); 241 } 242 } 243 } else { 244 for (i = 0; i < dc->link_count; i++) { 245 struct dc_link *link = dc->links[i]; 246 247 if (link->link_enc->funcs->is_dig_enabled && 248 link->link_enc->funcs->is_dig_enabled(link->link_enc) && 249 dc->hwss.power_down) { 250 dc->hwss.power_down(dc); 251 break; 252 } 253 254 } 255 } 256 } 257 258 for (i = 0; i < res_pool->audio_count; i++) { 259 struct audio *audio = res_pool->audios[i]; 260 261 audio->funcs->hw_init(audio); 262 } 263 264 for (i = 0; i < dc->link_count; i++) { 265 struct dc_link *link = dc->links[i]; 266 267 if (link->panel_cntl) 268 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl); 269 } 270 271 for (i = 0; i < dc->res_pool->pipe_count; i++) { 272 if (abms[i] != NULL) 273 abms[i]->funcs->abm_init(abms[i], backlight); 274 } 275 276 /* power AFMT HDMI memory TODO: may move to dis/en output save power*/ 277 REG_WRITE(DIO_MEM_PWR_CTRL, 0); 278 279 if (!dc->debug.disable_clock_gate) { 280 /* enable all DCN clock gating */ 281 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); 282 283 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); 284 285 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0); 286 } 287 if (hws->funcs.enable_power_gating_plane) 288 hws->funcs.enable_power_gating_plane(dc->hwseq, true); 289 290 if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks) 291 dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub); 292 293 if (dc->clk_mgr->funcs->notify_wm_ranges) 294 dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr); 295 296 if (dc->clk_mgr->funcs->set_hard_max_memclk) 297 dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr); 298 299 if (dc->res_pool->hubbub->funcs->force_pstate_change_control) 300 dc->res_pool->hubbub->funcs->force_pstate_change_control( 301 dc->res_pool->hubbub, false, false); 302 if (dc->res_pool->hubbub->funcs->init_crb) 303 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub); 304 } 305 306 void dcn31_dsc_pg_control( 307 struct dce_hwseq *hws, 308 unsigned int dsc_inst, 309 bool power_on) 310 { 311 uint32_t power_gate = power_on ? 0 : 1; 312 uint32_t pwr_status = power_on ? 0 : 2; 313 uint32_t org_ip_request_cntl = 0; 314 315 if (hws->ctx->dc->debug.disable_dsc_power_gate) 316 return; 317 318 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); 319 if (org_ip_request_cntl == 0) 320 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); 321 322 switch (dsc_inst) { 323 case 0: /* DSC0 */ 324 REG_UPDATE(DOMAIN16_PG_CONFIG, 325 DOMAIN_POWER_GATE, power_gate); 326 327 REG_WAIT(DOMAIN16_PG_STATUS, 328 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 329 1, 1000); 330 break; 331 case 1: /* DSC1 */ 332 REG_UPDATE(DOMAIN17_PG_CONFIG, 333 DOMAIN_POWER_GATE, power_gate); 334 335 REG_WAIT(DOMAIN17_PG_STATUS, 336 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 337 1, 1000); 338 break; 339 case 2: /* DSC2 */ 340 REG_UPDATE(DOMAIN18_PG_CONFIG, 341 DOMAIN_POWER_GATE, power_gate); 342 343 REG_WAIT(DOMAIN18_PG_STATUS, 344 DOMAIN_PGFSM_PWR_STATUS, pwr_status, 345 1, 1000); 346 break; 347 default: 348 BREAK_TO_DEBUGGER(); 349 break; 350 } 351 352 if (org_ip_request_cntl == 0) 353 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); 354 } 355 356 357 void dcn31_enable_power_gating_plane( 358 struct dce_hwseq *hws, 359 bool enable) 360 { 361 bool force_on = true; /* disable power gating */ 362 363 if (enable) 364 force_on = false; 365 366 /* DCHUBP0/1/2/3/4/5 */ 367 REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 368 REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 369 370 /* DPP0/1/2/3/4/5 */ 371 REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 372 REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 373 374 /* DCS0/1/2/3/4/5 */ 375 REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 376 REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 377 REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); 378 } 379 380 void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx) 381 { 382 bool is_hdmi_tmds; 383 bool is_dp; 384 385 ASSERT(pipe_ctx->stream); 386 387 if (pipe_ctx->stream_res.stream_enc == NULL) 388 return; /* this is not root pipe */ 389 390 is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal); 391 is_dp = dc_is_dp_signal(pipe_ctx->stream->signal); 392 393 if (!is_hdmi_tmds && !is_dp) 394 return; 395 396 if (is_hdmi_tmds) 397 pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets( 398 pipe_ctx->stream_res.stream_enc, 399 &pipe_ctx->stream_res.encoder_info_frame); 400 else { 401 pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets( 402 pipe_ctx->stream_res.stream_enc, 403 &pipe_ctx->stream_res.encoder_info_frame); 404 } 405 } 406 407 void dcn31_z10_restore(struct dc *dc) 408 { 409 union dmub_rb_cmd cmd; 410 411 /* 412 * DMUB notifies whether restore is required. 413 * Optimization to avoid sending commands when not required. 414 */ 415 if (!dc_dmub_srv_is_restore_required(dc->ctx->dmub_srv)) 416 return; 417 418 memset(&cmd, 0, sizeof(cmd)); 419 cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT; 420 cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_RESTORE; 421 422 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); 423 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); 424 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); 425 } 426 427 void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on) 428 { 429 uint32_t power_gate = power_on ? 0 : 1; 430 uint32_t pwr_status = power_on ? 0 : 2; 431 432 if (hws->ctx->dc->debug.disable_hubp_power_gate) 433 return; 434 435 if (REG(DOMAIN0_PG_CONFIG) == 0) 436 return; 437 438 switch (hubp_inst) { 439 case 0: 440 REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 441 REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 442 break; 443 case 1: 444 REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 445 REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 446 break; 447 case 2: 448 REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 449 REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 450 break; 451 case 3: 452 REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate); 453 REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000); 454 break; 455 default: 456 BREAK_TO_DEBUGGER(); 457 break; 458 } 459 } 460 461 int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config) 462 { 463 struct dcn_hubbub_phys_addr_config config; 464 465 config.system_aperture.fb_top = pa_config->system_aperture.fb_top; 466 config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset; 467 config.system_aperture.fb_base = pa_config->system_aperture.fb_base; 468 config.system_aperture.agp_top = pa_config->system_aperture.agp_top; 469 config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot; 470 config.system_aperture.agp_base = pa_config->system_aperture.agp_base; 471 config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr; 472 config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr; 473 474 if (pa_config->gart_config.base_addr_is_mc_addr) { 475 /* Convert from MC address to offset into FB */ 476 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr - 477 pa_config->system_aperture.fb_base + 478 pa_config->system_aperture.fb_offset; 479 } else 480 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr; 481 482 return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config); 483 } 484 485 static void dcn31_reset_back_end_for_pipe( 486 struct dc *dc, 487 struct pipe_ctx *pipe_ctx, 488 struct dc_state *context) 489 { 490 struct dc_link *link; 491 492 DC_LOGGER_INIT(dc->ctx->logger); 493 if (pipe_ctx->stream_res.stream_enc == NULL) { 494 pipe_ctx->stream = NULL; 495 return; 496 } 497 ASSERT(!pipe_ctx->top_pipe); 498 499 dc->hwss.set_abm_immediate_disable(pipe_ctx); 500 501 pipe_ctx->stream_res.tg->funcs->set_dsc_config( 502 pipe_ctx->stream_res.tg, 503 OPTC_DSC_DISABLED, 0, 0); 504 pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg); 505 506 pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false); 507 if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass) 508 pipe_ctx->stream_res.tg->funcs->set_odm_bypass( 509 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); 510 511 if (pipe_ctx->stream_res.tg->funcs->set_drr) 512 pipe_ctx->stream_res.tg->funcs->set_drr( 513 pipe_ctx->stream_res.tg, NULL); 514 515 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) { 516 link = pipe_ctx->stream->link; 517 /* DPMS may already disable or */ 518 /* dpms_off status is incorrect due to fastboot 519 * feature. When system resume from S4 with second 520 * screen only, the dpms_off would be true but 521 * VBIOS lit up eDP, so check link status too. 522 */ 523 if (!pipe_ctx->stream->dpms_off || link->link_status.link_active) 524 core_link_disable_stream(pipe_ctx); 525 else if (pipe_ctx->stream_res.audio) 526 dc->hwss.disable_audio_stream(pipe_ctx); 527 528 /* free acquired resources */ 529 if (pipe_ctx->stream_res.audio) { 530 /*disable az_endpoint*/ 531 pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio); 532 533 /*free audio*/ 534 if (dc->caps.dynamic_audio == true) { 535 /*we have to dynamic arbitrate the audio endpoints*/ 536 /*we free the resource, need reset is_audio_acquired*/ 537 update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, 538 pipe_ctx->stream_res.audio, false); 539 pipe_ctx->stream_res.audio = NULL; 540 } 541 } 542 } else if (pipe_ctx->stream_res.dsc) { 543 dp_set_dsc_enable(pipe_ctx, false); 544 } 545 546 pipe_ctx->stream = NULL; 547 DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n", 548 pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst); 549 } 550 551 void dcn31_reset_hw_ctx_wrap( 552 struct dc *dc, 553 struct dc_state *context) 554 { 555 int i; 556 struct dce_hwseq *hws = dc->hwseq; 557 558 /* Reset Back End*/ 559 for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) { 560 struct pipe_ctx *pipe_ctx_old = 561 &dc->current_state->res_ctx.pipe_ctx[i]; 562 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; 563 564 if (!pipe_ctx_old->stream) 565 continue; 566 567 if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe) 568 continue; 569 570 if (!pipe_ctx->stream || 571 pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) { 572 struct clock_source *old_clk = pipe_ctx_old->clock_source; 573 574 dcn31_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state); 575 if (hws->funcs.enable_stream_gating) 576 hws->funcs.enable_stream_gating(dc, pipe_ctx); 577 if (old_clk) 578 old_clk->funcs->cs_power_down(old_clk); 579 } 580 } 581 } 582 583 bool dcn31_is_abm_supported(struct dc *dc, 584 struct dc_state *context, struct dc_stream_state *stream) 585 { 586 int i; 587 588 for (i = 0; i < dc->res_pool->pipe_count; i++) { 589 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; 590 591 if (pipe_ctx->stream == stream && 592 (pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL)) 593 return true; 594 } 595 return false; 596 } 597