1 /* 2 * Copyright 2019 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #include "dm_services.h" 27 #include "dc.h" 28 #include "dc_dmub_srv.h" 29 #include "../dmub/dmub_srv.h" 30 #include "dm_helpers.h" 31 #include "dc_hw_types.h" 32 #include "core_types.h" 33 #include "../basics/conversion.h" 34 #include "cursor_reg_cache.h" 35 #include "resource.h" 36 #include "clk_mgr.h" 37 #include "dc_state_priv.h" 38 #include "dc_plane_priv.h" 39 40 #define CTX dc_dmub_srv->ctx 41 #define DC_LOGGER CTX->logger 42 43 static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc, 44 struct dmub_srv *dmub) 45 { 46 dc_srv->dmub = dmub; 47 dc_srv->ctx = dc->ctx; 48 } 49 50 struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub) 51 { 52 struct dc_dmub_srv *dc_srv = 53 kzalloc(sizeof(struct dc_dmub_srv), GFP_KERNEL); 54 55 if (dc_srv == NULL) { 56 BREAK_TO_DEBUGGER(); 57 return NULL; 58 } 59 60 dc_dmub_srv_construct(dc_srv, dc, dmub); 61 62 return dc_srv; 63 } 64 65 void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv) 66 { 67 if (*dmub_srv) { 68 kfree(*dmub_srv); 69 *dmub_srv = NULL; 70 } 71 } 72 73 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv) 74 { 75 struct dmub_srv *dmub = dc_dmub_srv->dmub; 76 struct dc_context *dc_ctx = dc_dmub_srv->ctx; 77 enum dmub_status status; 78 79 do { 80 status = dmub_srv_wait_for_idle(dmub, 100000); 81 } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); 82 83 if (status != DMUB_STATUS_OK) { 84 DC_ERROR("Error waiting for DMUB idle: status=%d\n", status); 85 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 86 } 87 } 88 89 void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dc_dmub_srv) 90 { 91 struct dmub_srv *dmub = dc_dmub_srv->dmub; 92 struct dc_context *dc_ctx = dc_dmub_srv->ctx; 93 enum dmub_status status = DMUB_STATUS_OK; 94 95 status = dmub_srv_clear_inbox0_ack(dmub); 96 if (status != DMUB_STATUS_OK) { 97 DC_ERROR("Error clearing INBOX0 ack: status=%d\n", status); 98 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 99 } 100 } 101 102 void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dc_dmub_srv) 103 { 104 struct dmub_srv *dmub = dc_dmub_srv->dmub; 105 struct dc_context *dc_ctx = dc_dmub_srv->ctx; 106 enum dmub_status status = DMUB_STATUS_OK; 107 108 status = dmub_srv_wait_for_inbox0_ack(dmub, 100000); 109 if (status != DMUB_STATUS_OK) { 110 DC_ERROR("Error waiting for INBOX0 HW Lock Ack\n"); 111 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 112 } 113 } 114 115 void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dc_dmub_srv, 116 union dmub_inbox0_data_register data) 117 { 118 struct dmub_srv *dmub = dc_dmub_srv->dmub; 119 struct dc_context *dc_ctx = dc_dmub_srv->ctx; 120 enum dmub_status status = DMUB_STATUS_OK; 121 122 status = dmub_srv_send_inbox0_cmd(dmub, data); 123 if (status != DMUB_STATUS_OK) { 124 DC_ERROR("Error sending INBOX0 cmd\n"); 125 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 126 } 127 } 128 129 bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv, 130 unsigned int count, 131 union dmub_rb_cmd *cmd_list) 132 { 133 struct dc_context *dc_ctx; 134 struct dmub_srv *dmub; 135 enum dmub_status status; 136 int i; 137 138 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 139 return false; 140 141 dc_ctx = dc_dmub_srv->ctx; 142 dmub = dc_dmub_srv->dmub; 143 144 for (i = 0 ; i < count; i++) { 145 // Queue command 146 status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); 147 148 if (status == DMUB_STATUS_QUEUE_FULL) { 149 /* Execute and wait for queue to become empty again. */ 150 status = dmub_srv_cmd_execute(dmub); 151 if (status == DMUB_STATUS_POWER_STATE_D3) 152 return false; 153 154 do { 155 status = dmub_srv_wait_for_idle(dmub, 100000); 156 } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); 157 158 /* Requeue the command. */ 159 status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); 160 } 161 162 if (status != DMUB_STATUS_OK) { 163 if (status != DMUB_STATUS_POWER_STATE_D3) { 164 DC_ERROR("Error queueing DMUB command: status=%d\n", status); 165 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 166 } 167 return false; 168 } 169 } 170 171 status = dmub_srv_cmd_execute(dmub); 172 if (status != DMUB_STATUS_OK) { 173 if (status != DMUB_STATUS_POWER_STATE_D3) { 174 DC_ERROR("Error starting DMUB execution: status=%d\n", status); 175 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 176 } 177 return false; 178 } 179 180 return true; 181 } 182 183 bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv, 184 enum dm_dmub_wait_type wait_type, 185 union dmub_rb_cmd *cmd_list) 186 { 187 struct dmub_srv *dmub; 188 enum dmub_status status; 189 190 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 191 return false; 192 193 dmub = dc_dmub_srv->dmub; 194 195 // Wait for DMUB to process command 196 if (wait_type != DM_DMUB_WAIT_TYPE_NO_WAIT) { 197 do { 198 status = dmub_srv_wait_for_idle(dmub, 100000); 199 } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK); 200 201 if (status != DMUB_STATUS_OK) { 202 DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status); 203 if (!dmub->debug.timeout_occured) { 204 dmub->debug.timeout_occured = true; 205 dmub->debug.timeout_cmd = *cmd_list; 206 dmub->debug.timestamp = dm_get_timestamp(dc_dmub_srv->ctx); 207 } 208 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 209 return false; 210 } 211 212 // Copy data back from ring buffer into command 213 if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) 214 dmub_rb_get_return_data(&dmub->inbox1_rb, cmd_list); 215 } 216 217 return true; 218 } 219 220 bool dc_dmub_srv_cmd_run(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type) 221 { 222 return dc_dmub_srv_cmd_run_list(dc_dmub_srv, 1, cmd, wait_type); 223 } 224 225 bool dc_dmub_srv_cmd_run_list(struct dc_dmub_srv *dc_dmub_srv, unsigned int count, union dmub_rb_cmd *cmd_list, enum dm_dmub_wait_type wait_type) 226 { 227 struct dc_context *dc_ctx; 228 struct dmub_srv *dmub; 229 enum dmub_status status; 230 int i; 231 232 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 233 return false; 234 235 dc_ctx = dc_dmub_srv->ctx; 236 dmub = dc_dmub_srv->dmub; 237 238 for (i = 0 ; i < count; i++) { 239 // Queue command 240 status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); 241 242 if (status == DMUB_STATUS_QUEUE_FULL) { 243 /* Execute and wait for queue to become empty again. */ 244 status = dmub_srv_cmd_execute(dmub); 245 if (status == DMUB_STATUS_POWER_STATE_D3) 246 return false; 247 248 dmub_srv_wait_for_idle(dmub, 100000); 249 250 /* Requeue the command. */ 251 status = dmub_srv_cmd_queue(dmub, &cmd_list[i]); 252 } 253 254 if (status != DMUB_STATUS_OK) { 255 if (status != DMUB_STATUS_POWER_STATE_D3) { 256 DC_ERROR("Error queueing DMUB command: status=%d\n", status); 257 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 258 } 259 return false; 260 } 261 } 262 263 status = dmub_srv_cmd_execute(dmub); 264 if (status != DMUB_STATUS_OK) { 265 if (status != DMUB_STATUS_POWER_STATE_D3) { 266 DC_ERROR("Error starting DMUB execution: status=%d\n", status); 267 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 268 } 269 return false; 270 } 271 272 // Wait for DMUB to process command 273 if (wait_type != DM_DMUB_WAIT_TYPE_NO_WAIT) { 274 if (dc_dmub_srv->ctx->dc->debug.disable_timeout) { 275 do { 276 status = dmub_srv_wait_for_idle(dmub, 100000); 277 } while (status != DMUB_STATUS_OK); 278 } else 279 status = dmub_srv_wait_for_idle(dmub, 100000); 280 281 if (status != DMUB_STATUS_OK) { 282 DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status); 283 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv); 284 return false; 285 } 286 287 // Copy data back from ring buffer into command 288 if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) 289 dmub_rb_get_return_data(&dmub->inbox1_rb, cmd_list); 290 } 291 292 return true; 293 } 294 295 bool dc_dmub_srv_optimized_init_done(struct dc_dmub_srv *dc_dmub_srv) 296 { 297 struct dmub_srv *dmub; 298 struct dc_context *dc_ctx; 299 union dmub_fw_boot_status boot_status; 300 enum dmub_status status; 301 302 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 303 return false; 304 305 dmub = dc_dmub_srv->dmub; 306 dc_ctx = dc_dmub_srv->ctx; 307 308 status = dmub_srv_get_fw_boot_status(dmub, &boot_status); 309 if (status != DMUB_STATUS_OK) { 310 DC_ERROR("Error querying DMUB boot status: error=%d\n", status); 311 return false; 312 } 313 314 return boot_status.bits.optimized_init_done; 315 } 316 317 bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv, 318 unsigned int stream_mask) 319 { 320 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 321 return false; 322 323 return dc_wake_and_execute_gpint(dc_dmub_srv->ctx, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK, 324 stream_mask, NULL, DM_DMUB_WAIT_TYPE_WAIT); 325 } 326 327 bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv) 328 { 329 struct dmub_srv *dmub; 330 struct dc_context *dc_ctx; 331 union dmub_fw_boot_status boot_status; 332 enum dmub_status status; 333 334 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 335 return false; 336 337 dmub = dc_dmub_srv->dmub; 338 dc_ctx = dc_dmub_srv->ctx; 339 340 status = dmub_srv_get_fw_boot_status(dmub, &boot_status); 341 if (status != DMUB_STATUS_OK) { 342 DC_ERROR("Error querying DMUB boot status: error=%d\n", status); 343 return false; 344 } 345 346 return boot_status.bits.restore_required; 347 } 348 349 bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry) 350 { 351 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; 352 return dmub_srv_get_outbox0_msg(dmub, entry); 353 } 354 355 void dc_dmub_trace_event_control(struct dc *dc, bool enable) 356 { 357 dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable); 358 } 359 360 void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max) 361 { 362 union dmub_rb_cmd cmd = { 0 }; 363 364 cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 365 cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_DRR_UPDATE; 366 cmd.drr_update.dmub_optc_state_req.v_total_max = vtotal_max; 367 cmd.drr_update.dmub_optc_state_req.v_total_min = vtotal_min; 368 cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst; 369 370 cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header); 371 372 // Send the command to the DMCUB. 373 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 374 } 375 376 void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst) 377 { 378 union dmub_rb_cmd cmd = { 0 }; 379 380 cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 381 cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_SET_MANUAL_TRIGGER; 382 cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst; 383 384 cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header); 385 386 // Send the command to the DMCUB. 387 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 388 } 389 390 static uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream) 391 { 392 uint8_t pipes = 0; 393 int i = 0; 394 395 for (i = 0; i < MAX_PIPES; i++) { 396 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; 397 398 if (pipe->stream == stream && pipe->stream_res.tg) 399 pipes = i; 400 } 401 return pipes; 402 } 403 404 static void dc_dmub_srv_populate_fams_pipe_info(struct dc *dc, struct dc_state *context, 405 struct pipe_ctx *head_pipe, 406 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data *fams_pipe_data) 407 { 408 int j; 409 int pipe_idx = 0; 410 411 fams_pipe_data->pipe_index[pipe_idx++] = head_pipe->plane_res.hubp->inst; 412 for (j = 0; j < dc->res_pool->pipe_count; j++) { 413 struct pipe_ctx *split_pipe = &context->res_ctx.pipe_ctx[j]; 414 415 if (split_pipe->stream == head_pipe->stream && (split_pipe->top_pipe || split_pipe->prev_odm_pipe)) { 416 fams_pipe_data->pipe_index[pipe_idx++] = split_pipe->plane_res.hubp->inst; 417 } 418 } 419 fams_pipe_data->pipe_count = pipe_idx; 420 } 421 422 bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool should_manage_pstate, struct dc_state *context) 423 { 424 union dmub_rb_cmd cmd = { 0 }; 425 struct dmub_cmd_fw_assisted_mclk_switch_config *config_data = &cmd.fw_assisted_mclk_switch.config_data; 426 int i = 0, k = 0; 427 int ramp_up_num_steps = 1; // TODO: Ramp is currently disabled. Reenable it. 428 uint8_t visual_confirm_enabled; 429 int pipe_idx = 0; 430 struct dc_stream_status *stream_status = NULL; 431 432 if (dc == NULL) 433 return false; 434 435 visual_confirm_enabled = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS; 436 437 // Format command. 438 cmd.fw_assisted_mclk_switch.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 439 cmd.fw_assisted_mclk_switch.header.sub_type = DMUB_CMD__FAMS_SETUP_FW_CTRL; 440 cmd.fw_assisted_mclk_switch.config_data.fams_enabled = should_manage_pstate; 441 cmd.fw_assisted_mclk_switch.config_data.visual_confirm_enabled = visual_confirm_enabled; 442 443 if (should_manage_pstate) { 444 for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) { 445 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 446 447 if (!pipe->stream) 448 continue; 449 450 /* If FAMS is being used to support P-State and there is a stream 451 * that does not use FAMS, we are in an FPO + VActive scenario. 452 * Assign vactive stretch margin in this case. 453 */ 454 stream_status = dc_state_get_stream_status(context, pipe->stream); 455 if (stream_status && !stream_status->fpo_in_use) { 456 cmd.fw_assisted_mclk_switch.config_data.vactive_stretch_margin_us = dc->debug.fpo_vactive_margin_us; 457 break; 458 } 459 pipe_idx++; 460 } 461 } 462 463 for (i = 0, k = 0; context && i < dc->res_pool->pipe_count; i++) { 464 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 465 466 if (!resource_is_pipe_type(pipe, OTG_MASTER)) 467 continue; 468 469 stream_status = dc_state_get_stream_status(context, pipe->stream); 470 if (stream_status && stream_status->fpo_in_use) { 471 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 472 uint8_t min_refresh_in_hz = (pipe->stream->timing.min_refresh_in_uhz + 999999) / 1000000; 473 474 config_data->pipe_data[k].pix_clk_100hz = pipe->stream->timing.pix_clk_100hz; 475 config_data->pipe_data[k].min_refresh_in_hz = min_refresh_in_hz; 476 config_data->pipe_data[k].max_ramp_step = ramp_up_num_steps; 477 config_data->pipe_data[k].pipes = dc_dmub_srv_get_pipes_for_stream(dc, pipe->stream); 478 dc_dmub_srv_populate_fams_pipe_info(dc, context, pipe, &config_data->pipe_data[k]); 479 k++; 480 } 481 } 482 cmd.fw_assisted_mclk_switch.header.payload_bytes = 483 sizeof(cmd.fw_assisted_mclk_switch) - sizeof(cmd.fw_assisted_mclk_switch.header); 484 485 // Send the command to the DMCUB. 486 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 487 488 return true; 489 } 490 491 void dc_dmub_srv_query_caps_cmd(struct dc_dmub_srv *dc_dmub_srv) 492 { 493 union dmub_rb_cmd cmd = { 0 }; 494 495 if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation) 496 return; 497 498 memset(&cmd, 0, sizeof(cmd)); 499 500 /* Prepare fw command */ 501 cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS; 502 cmd.query_feature_caps.header.sub_type = 0; 503 cmd.query_feature_caps.header.ret_status = 1; 504 cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data); 505 506 /* If command was processed, copy feature caps to dmub srv */ 507 if (dc_wake_and_execute_dmub_cmd(dc_dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) && 508 cmd.query_feature_caps.header.ret_status == 0) { 509 memcpy(&dc_dmub_srv->dmub->feature_caps, 510 &cmd.query_feature_caps.query_feature_caps_data, 511 sizeof(struct dmub_feature_caps)); 512 } 513 } 514 515 void dc_dmub_srv_get_visual_confirm_color_cmd(struct dc *dc, struct pipe_ctx *pipe_ctx) 516 { 517 union dmub_rb_cmd cmd = { 0 }; 518 unsigned int panel_inst = 0; 519 520 dc_get_edp_link_panel_inst(dc, pipe_ctx->stream->link, &panel_inst); 521 522 memset(&cmd, 0, sizeof(cmd)); 523 524 // Prepare fw command 525 cmd.visual_confirm_color.header.type = DMUB_CMD__GET_VISUAL_CONFIRM_COLOR; 526 cmd.visual_confirm_color.header.sub_type = 0; 527 cmd.visual_confirm_color.header.ret_status = 1; 528 cmd.visual_confirm_color.header.payload_bytes = sizeof(struct dmub_cmd_visual_confirm_color_data); 529 cmd.visual_confirm_color.visual_confirm_color_data.visual_confirm_color.panel_inst = panel_inst; 530 531 // If command was processed, copy feature caps to dmub srv 532 if (dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) && 533 cmd.visual_confirm_color.header.ret_status == 0) { 534 memcpy(&dc->ctx->dmub_srv->dmub->visual_confirm_color, 535 &cmd.visual_confirm_color.visual_confirm_color_data, 536 sizeof(struct dmub_visual_confirm_color)); 537 } 538 } 539 540 /** 541 * populate_subvp_cmd_drr_info - Helper to populate DRR pipe info for the DMCUB subvp command 542 * 543 * @dc: [in] pointer to dc object 544 * @subvp_pipe: [in] pipe_ctx for the SubVP pipe 545 * @vblank_pipe: [in] pipe_ctx for the DRR pipe 546 * @pipe_data: [in] Pipe data which stores the VBLANK/DRR info 547 * @context: [in] DC state for access to phantom stream 548 * 549 * Populate the DMCUB SubVP command with DRR pipe info. All the information 550 * required for calculating the SubVP + DRR microschedule is populated here. 551 * 552 * High level algorithm: 553 * 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe 554 * 2. Calculate the min and max vtotal which supports SubVP + DRR microschedule 555 * 3. Populate the drr_info with the min and max supported vtotal values 556 */ 557 static void populate_subvp_cmd_drr_info(struct dc *dc, 558 struct dc_state *context, 559 struct pipe_ctx *subvp_pipe, 560 struct pipe_ctx *vblank_pipe, 561 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data) 562 { 563 struct dc_stream_state *phantom_stream = dc_state_get_paired_subvp_stream(context, subvp_pipe->stream); 564 struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing; 565 struct dc_crtc_timing *phantom_timing; 566 struct dc_crtc_timing *drr_timing = &vblank_pipe->stream->timing; 567 uint16_t drr_frame_us = 0; 568 uint16_t min_drr_supported_us = 0; 569 uint16_t max_drr_supported_us = 0; 570 uint16_t max_drr_vblank_us = 0; 571 uint16_t max_drr_mallregion_us = 0; 572 uint16_t mall_region_us = 0; 573 uint16_t prefetch_us = 0; 574 uint16_t subvp_active_us = 0; 575 uint16_t drr_active_us = 0; 576 uint16_t min_vtotal_supported = 0; 577 uint16_t max_vtotal_supported = 0; 578 579 if (!phantom_stream) 580 return; 581 582 phantom_timing = &phantom_stream->timing; 583 584 pipe_data->pipe_config.vblank_data.drr_info.drr_in_use = true; 585 pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping 586 pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now 587 588 drr_frame_us = div64_u64(((uint64_t)drr_timing->v_total * drr_timing->h_total * 1000000), 589 (((uint64_t)drr_timing->pix_clk_100hz * 100))); 590 // P-State allow width and FW delays already included phantom_timing->v_addressable 591 mall_region_us = div64_u64(((uint64_t)phantom_timing->v_addressable * phantom_timing->h_total * 1000000), 592 (((uint64_t)phantom_timing->pix_clk_100hz * 100))); 593 min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US; 594 min_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * min_drr_supported_us), 595 (((uint64_t)drr_timing->h_total * 1000000))); 596 597 prefetch_us = div64_u64(((uint64_t)(phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total * 1000000), 598 (((uint64_t)phantom_timing->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us)); 599 subvp_active_us = div64_u64(((uint64_t)main_timing->v_addressable * main_timing->h_total * 1000000), 600 (((uint64_t)main_timing->pix_clk_100hz * 100))); 601 drr_active_us = div64_u64(((uint64_t)drr_timing->v_addressable * drr_timing->h_total * 1000000), 602 (((uint64_t)drr_timing->pix_clk_100hz * 100))); 603 max_drr_vblank_us = div64_u64((subvp_active_us - prefetch_us - 604 dc->caps.subvp_fw_processing_delay_us - drr_active_us), 2) + drr_active_us; 605 max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us - dc->caps.subvp_fw_processing_delay_us; 606 max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us; 607 max_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * max_drr_supported_us), 608 (((uint64_t)drr_timing->h_total * 1000000))); 609 610 /* When calculating the max vtotal supported for SubVP + DRR cases, add 611 * margin due to possible rounding errors (being off by 1 line in the 612 * FW calculation can incorrectly push the P-State switch to wait 1 frame 613 * longer). 614 */ 615 max_vtotal_supported = max_vtotal_supported - dc->caps.subvp_drr_max_vblank_margin_us; 616 617 pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported; 618 pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported; 619 pipe_data->pipe_config.vblank_data.drr_info.drr_vblank_start_margin = dc->caps.subvp_drr_vblank_start_margin_us; 620 } 621 622 /** 623 * populate_subvp_cmd_vblank_pipe_info - Helper to populate VBLANK pipe info for the DMUB subvp command 624 * 625 * @dc: [in] current dc state 626 * @context: [in] new dc state 627 * @cmd: [in] DMUB cmd to be populated with SubVP info 628 * @vblank_pipe: [in] pipe_ctx for the VBLANK pipe 629 * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd 630 * 631 * Populate the DMCUB SubVP command with VBLANK pipe info. All the information 632 * required to calculate the microschedule for SubVP + VBLANK case is stored in 633 * the pipe_data (subvp_data and vblank_data). Also check if the VBLANK pipe 634 * is a DRR display -- if it is make a call to populate drr_info. 635 */ 636 static void populate_subvp_cmd_vblank_pipe_info(struct dc *dc, 637 struct dc_state *context, 638 union dmub_rb_cmd *cmd, 639 struct pipe_ctx *vblank_pipe, 640 uint8_t cmd_pipe_index) 641 { 642 uint32_t i; 643 struct pipe_ctx *pipe = NULL; 644 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = 645 &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index]; 646 647 // Find the SubVP pipe 648 for (i = 0; i < dc->res_pool->pipe_count; i++) { 649 pipe = &context->res_ctx.pipe_ctx[i]; 650 651 // We check for master pipe, but it shouldn't matter since we only need 652 // the pipe for timing info (stream should be same for any pipe splits) 653 if (!resource_is_pipe_type(pipe, OTG_MASTER) || 654 !resource_is_pipe_type(pipe, DPP_PIPE)) 655 continue; 656 657 // Find the SubVP pipe 658 if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) 659 break; 660 } 661 662 pipe_data->mode = VBLANK; 663 pipe_data->pipe_config.vblank_data.pix_clk_100hz = vblank_pipe->stream->timing.pix_clk_100hz; 664 pipe_data->pipe_config.vblank_data.vblank_start = vblank_pipe->stream->timing.v_total - 665 vblank_pipe->stream->timing.v_front_porch; 666 pipe_data->pipe_config.vblank_data.vtotal = vblank_pipe->stream->timing.v_total; 667 pipe_data->pipe_config.vblank_data.htotal = vblank_pipe->stream->timing.h_total; 668 pipe_data->pipe_config.vblank_data.vblank_pipe_index = vblank_pipe->pipe_idx; 669 pipe_data->pipe_config.vblank_data.vstartup_start = vblank_pipe->pipe_dlg_param.vstartup_start; 670 pipe_data->pipe_config.vblank_data.vblank_end = 671 vblank_pipe->stream->timing.v_total - vblank_pipe->stream->timing.v_front_porch - vblank_pipe->stream->timing.v_addressable; 672 673 if (vblank_pipe->stream->ignore_msa_timing_param && 674 (vblank_pipe->stream->allow_freesync || vblank_pipe->stream->vrr_active_variable || vblank_pipe->stream->vrr_active_fixed)) 675 populate_subvp_cmd_drr_info(dc, context, pipe, vblank_pipe, pipe_data); 676 } 677 678 /** 679 * update_subvp_prefetch_end_to_mall_start - Helper for SubVP + SubVP case 680 * 681 * @dc: [in] current dc state 682 * @context: [in] new dc state 683 * @cmd: [in] DMUB cmd to be populated with SubVP info 684 * @subvp_pipes: [in] Array of SubVP pipes (should always be length 2) 685 * 686 * For SubVP + SubVP, we use a single vertical interrupt to start the 687 * microschedule for both SubVP pipes. In order for this to work correctly, the 688 * MALL REGION of both SubVP pipes must start at the same time. This function 689 * lengthens the prefetch end to mall start delay of the SubVP pipe that has 690 * the shorter prefetch so that both MALL REGION's will start at the same time. 691 */ 692 static void update_subvp_prefetch_end_to_mall_start(struct dc *dc, 693 struct dc_state *context, 694 union dmub_rb_cmd *cmd, 695 struct pipe_ctx *subvp_pipes[]) 696 { 697 uint32_t subvp0_prefetch_us = 0; 698 uint32_t subvp1_prefetch_us = 0; 699 uint32_t prefetch_delta_us = 0; 700 struct dc_stream_state *phantom_stream0 = NULL; 701 struct dc_stream_state *phantom_stream1 = NULL; 702 struct dc_crtc_timing *phantom_timing0 = NULL; 703 struct dc_crtc_timing *phantom_timing1 = NULL; 704 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL; 705 706 phantom_stream0 = dc_state_get_paired_subvp_stream(context, subvp_pipes[0]->stream); 707 if (!phantom_stream0) 708 return; 709 710 phantom_stream1 = dc_state_get_paired_subvp_stream(context, subvp_pipes[1]->stream); 711 if (!phantom_stream1) 712 return; 713 714 phantom_timing0 = &phantom_stream0->timing; 715 phantom_timing1 = &phantom_stream1->timing; 716 717 subvp0_prefetch_us = div64_u64(((uint64_t)(phantom_timing0->v_total - phantom_timing0->v_front_porch) * 718 (uint64_t)phantom_timing0->h_total * 1000000), 719 (((uint64_t)phantom_timing0->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us)); 720 subvp1_prefetch_us = div64_u64(((uint64_t)(phantom_timing1->v_total - phantom_timing1->v_front_porch) * 721 (uint64_t)phantom_timing1->h_total * 1000000), 722 (((uint64_t)phantom_timing1->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us)); 723 724 // Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time) 725 // should increase it's prefetch time to match the other 726 if (subvp0_prefetch_us > subvp1_prefetch_us) { 727 pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1]; 728 prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us; 729 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = 730 div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) * 731 ((uint64_t)phantom_timing1->pix_clk_100hz * 100) + ((uint64_t)phantom_timing1->h_total * 1000000 - 1)), 732 ((uint64_t)phantom_timing1->h_total * 1000000)); 733 734 } else if (subvp1_prefetch_us > subvp0_prefetch_us) { 735 pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0]; 736 prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us; 737 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = 738 div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) * 739 ((uint64_t)phantom_timing0->pix_clk_100hz * 100) + ((uint64_t)phantom_timing0->h_total * 1000000 - 1)), 740 ((uint64_t)phantom_timing0->h_total * 1000000)); 741 } 742 } 743 744 /** 745 * populate_subvp_cmd_pipe_info - Helper to populate the SubVP pipe info for the DMUB subvp command 746 * 747 * @dc: [in] current dc state 748 * @context: [in] new dc state 749 * @cmd: [in] DMUB cmd to be populated with SubVP info 750 * @subvp_pipe: [in] pipe_ctx for the SubVP pipe 751 * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd 752 * 753 * Populate the DMCUB SubVP command with SubVP pipe info. All the information 754 * required to calculate the microschedule for the SubVP pipe is stored in the 755 * pipe_data of the DMCUB SubVP command. 756 */ 757 static void populate_subvp_cmd_pipe_info(struct dc *dc, 758 struct dc_state *context, 759 union dmub_rb_cmd *cmd, 760 struct pipe_ctx *subvp_pipe, 761 uint8_t cmd_pipe_index) 762 { 763 uint32_t j; 764 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = 765 &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index]; 766 struct dc_stream_state *phantom_stream = dc_state_get_paired_subvp_stream(context, subvp_pipe->stream); 767 struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing; 768 struct dc_crtc_timing *phantom_timing; 769 uint32_t out_num_stream, out_den_stream, out_num_plane, out_den_plane, out_num, out_den; 770 771 if (!phantom_stream) 772 return; 773 774 phantom_timing = &phantom_stream->timing; 775 776 pipe_data->mode = SUBVP; 777 pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz; 778 pipe_data->pipe_config.subvp_data.htotal = subvp_pipe->stream->timing.h_total; 779 pipe_data->pipe_config.subvp_data.vtotal = subvp_pipe->stream->timing.v_total; 780 pipe_data->pipe_config.subvp_data.main_vblank_start = 781 main_timing->v_total - main_timing->v_front_porch; 782 pipe_data->pipe_config.subvp_data.main_vblank_end = 783 main_timing->v_total - main_timing->v_front_porch - main_timing->v_addressable; 784 pipe_data->pipe_config.subvp_data.mall_region_lines = phantom_timing->v_addressable; 785 pipe_data->pipe_config.subvp_data.main_pipe_index = subvp_pipe->stream_res.tg->inst; 786 pipe_data->pipe_config.subvp_data.is_drr = subvp_pipe->stream->ignore_msa_timing_param && 787 (subvp_pipe->stream->allow_freesync || subvp_pipe->stream->vrr_active_variable || subvp_pipe->stream->vrr_active_fixed); 788 789 /* Calculate the scaling factor from the src and dst height. 790 * e.g. If 3840x2160 being downscaled to 1920x1080, the scaling factor is 1/2. 791 * Reduce the fraction 1080/2160 = 1/2 for the "scaling factor" 792 * 793 * Make sure to combine stream and plane scaling together. 794 */ 795 reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height, 796 &out_num_stream, &out_den_stream); 797 reduce_fraction(subvp_pipe->plane_state->src_rect.height, subvp_pipe->plane_state->dst_rect.height, 798 &out_num_plane, &out_den_plane); 799 reduce_fraction(out_num_stream * out_num_plane, out_den_stream * out_den_plane, &out_num, &out_den); 800 pipe_data->pipe_config.subvp_data.scale_factor_numerator = out_num; 801 pipe_data->pipe_config.subvp_data.scale_factor_denominator = out_den; 802 803 // Prefetch lines is equal to VACTIVE + BP + VSYNC 804 pipe_data->pipe_config.subvp_data.prefetch_lines = 805 phantom_timing->v_total - phantom_timing->v_front_porch; 806 807 // Round up 808 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = 809 div64_u64(((uint64_t)dc->caps.subvp_prefetch_end_to_mall_start_us * ((uint64_t)phantom_timing->pix_clk_100hz * 100) + 810 ((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000)); 811 pipe_data->pipe_config.subvp_data.processing_delay_lines = 812 div64_u64(((uint64_t)(dc->caps.subvp_fw_processing_delay_us) * ((uint64_t)phantom_timing->pix_clk_100hz * 100) + 813 ((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000)); 814 815 if (subvp_pipe->bottom_pipe) { 816 pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->bottom_pipe->pipe_idx; 817 } else if (subvp_pipe->next_odm_pipe) { 818 pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->next_odm_pipe->pipe_idx; 819 } else { 820 pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0xF; 821 } 822 823 // Find phantom pipe index based on phantom stream 824 for (j = 0; j < dc->res_pool->pipe_count; j++) { 825 struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j]; 826 827 if (resource_is_pipe_type(phantom_pipe, OTG_MASTER) && 828 phantom_pipe->stream == dc_state_get_paired_subvp_stream(context, subvp_pipe->stream)) { 829 pipe_data->pipe_config.subvp_data.phantom_pipe_index = phantom_pipe->stream_res.tg->inst; 830 if (phantom_pipe->bottom_pipe) { 831 pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->bottom_pipe->plane_res.hubp->inst; 832 } else if (phantom_pipe->next_odm_pipe) { 833 pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->next_odm_pipe->plane_res.hubp->inst; 834 } else { 835 pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0xF; 836 } 837 break; 838 } 839 } 840 } 841 842 /** 843 * dc_dmub_setup_subvp_dmub_command - Populate the DMCUB SubVP command 844 * 845 * @dc: [in] current dc state 846 * @context: [in] new dc state 847 * @enable: [in] if true enables the pipes population 848 * 849 * This function loops through each pipe and populates the DMUB SubVP CMD info 850 * based on the pipe (e.g. SubVP, VBLANK). 851 */ 852 void dc_dmub_setup_subvp_dmub_command(struct dc *dc, 853 struct dc_state *context, 854 bool enable) 855 { 856 uint8_t cmd_pipe_index = 0; 857 uint32_t i, pipe_idx; 858 uint8_t subvp_count = 0; 859 union dmub_rb_cmd cmd; 860 struct pipe_ctx *subvp_pipes[2]; 861 uint32_t wm_val_refclk = 0; 862 enum mall_stream_type pipe_mall_type; 863 864 memset(&cmd, 0, sizeof(cmd)); 865 // FW command for SUBVP 866 cmd.fw_assisted_mclk_switch_v2.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 867 cmd.fw_assisted_mclk_switch_v2.header.sub_type = DMUB_CMD__HANDLE_SUBVP_CMD; 868 cmd.fw_assisted_mclk_switch_v2.header.payload_bytes = 869 sizeof(cmd.fw_assisted_mclk_switch_v2) - sizeof(cmd.fw_assisted_mclk_switch_v2.header); 870 871 for (i = 0; i < dc->res_pool->pipe_count; i++) { 872 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 873 874 /* For SubVP pipe count, only count the top most (ODM / MPC) pipe 875 */ 876 if (resource_is_pipe_type(pipe, OTG_MASTER) && 877 resource_is_pipe_type(pipe, DPP_PIPE) && 878 dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) 879 subvp_pipes[subvp_count++] = pipe; 880 } 881 882 if (enable) { 883 // For each pipe that is a "main" SUBVP pipe, fill in pipe data for DMUB SUBVP cmd 884 for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) { 885 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 886 pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe); 887 888 if (!pipe->stream) 889 continue; 890 891 /* When populating subvp cmd info, only pass in the top most (ODM / MPC) pipe. 892 * Any ODM or MPC splits being used in SubVP will be handled internally in 893 * populate_subvp_cmd_pipe_info 894 */ 895 if (resource_is_pipe_type(pipe, OTG_MASTER) && 896 resource_is_pipe_type(pipe, DPP_PIPE) && 897 pipe_mall_type == SUBVP_MAIN) { 898 populate_subvp_cmd_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++); 899 } else if (resource_is_pipe_type(pipe, OTG_MASTER) && 900 resource_is_pipe_type(pipe, DPP_PIPE) && 901 pipe_mall_type == SUBVP_NONE) { 902 // Don't need to check for ActiveDRAMClockChangeMargin < 0, not valid in cases where 903 // we run through DML without calculating "natural" P-state support 904 populate_subvp_cmd_vblank_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++); 905 906 } 907 pipe_idx++; 908 } 909 if (subvp_count == 2) { 910 update_subvp_prefetch_end_to_mall_start(dc, context, &cmd, subvp_pipes); 911 } 912 cmd.fw_assisted_mclk_switch_v2.config_data.pstate_allow_width_us = dc->caps.subvp_pstate_allow_width_us; 913 cmd.fw_assisted_mclk_switch_v2.config_data.vertical_int_margin_us = dc->caps.subvp_vertical_int_margin_us; 914 915 // Store the original watermark value for this SubVP config so we can lower it when the 916 // MCLK switch starts 917 wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns * 918 (dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000) / 1000; 919 920 cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF; 921 } 922 923 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 924 } 925 926 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data) 927 { 928 if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data) 929 return false; 930 return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub, diag_data); 931 } 932 933 void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv) 934 { 935 struct dmub_diagnostic_data diag_data = {0}; 936 uint32_t i; 937 938 if (!dc_dmub_srv || !dc_dmub_srv->dmub) { 939 DC_LOG_ERROR("%s: invalid parameters.", __func__); 940 return; 941 } 942 943 DC_LOG_ERROR("%s: DMCUB error - collecting diagnostic data\n", __func__); 944 945 if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) { 946 DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__); 947 return; 948 } 949 950 DC_LOG_DEBUG("DMCUB STATE:"); 951 DC_LOG_DEBUG(" dmcub_version : %08x", diag_data.dmcub_version); 952 DC_LOG_DEBUG(" scratch [0] : %08x", diag_data.scratch[0]); 953 DC_LOG_DEBUG(" scratch [1] : %08x", diag_data.scratch[1]); 954 DC_LOG_DEBUG(" scratch [2] : %08x", diag_data.scratch[2]); 955 DC_LOG_DEBUG(" scratch [3] : %08x", diag_data.scratch[3]); 956 DC_LOG_DEBUG(" scratch [4] : %08x", diag_data.scratch[4]); 957 DC_LOG_DEBUG(" scratch [5] : %08x", diag_data.scratch[5]); 958 DC_LOG_DEBUG(" scratch [6] : %08x", diag_data.scratch[6]); 959 DC_LOG_DEBUG(" scratch [7] : %08x", diag_data.scratch[7]); 960 DC_LOG_DEBUG(" scratch [8] : %08x", diag_data.scratch[8]); 961 DC_LOG_DEBUG(" scratch [9] : %08x", diag_data.scratch[9]); 962 DC_LOG_DEBUG(" scratch [10] : %08x", diag_data.scratch[10]); 963 DC_LOG_DEBUG(" scratch [11] : %08x", diag_data.scratch[11]); 964 DC_LOG_DEBUG(" scratch [12] : %08x", diag_data.scratch[12]); 965 DC_LOG_DEBUG(" scratch [13] : %08x", diag_data.scratch[13]); 966 DC_LOG_DEBUG(" scratch [14] : %08x", diag_data.scratch[14]); 967 DC_LOG_DEBUG(" scratch [15] : %08x", diag_data.scratch[15]); 968 for (i = 0; i < DMUB_PC_SNAPSHOT_COUNT; i++) 969 DC_LOG_DEBUG(" pc[%d] : %08x", i, diag_data.pc[i]); 970 DC_LOG_DEBUG(" unk_fault_addr : %08x", diag_data.undefined_address_fault_addr); 971 DC_LOG_DEBUG(" inst_fault_addr : %08x", diag_data.inst_fetch_fault_addr); 972 DC_LOG_DEBUG(" data_fault_addr : %08x", diag_data.data_write_fault_addr); 973 DC_LOG_DEBUG(" inbox1_rptr : %08x", diag_data.inbox1_rptr); 974 DC_LOG_DEBUG(" inbox1_wptr : %08x", diag_data.inbox1_wptr); 975 DC_LOG_DEBUG(" inbox1_size : %08x", diag_data.inbox1_size); 976 DC_LOG_DEBUG(" inbox0_rptr : %08x", diag_data.inbox0_rptr); 977 DC_LOG_DEBUG(" inbox0_wptr : %08x", diag_data.inbox0_wptr); 978 DC_LOG_DEBUG(" inbox0_size : %08x", diag_data.inbox0_size); 979 DC_LOG_DEBUG(" is_enabled : %d", diag_data.is_dmcub_enabled); 980 DC_LOG_DEBUG(" is_soft_reset : %d", diag_data.is_dmcub_soft_reset); 981 DC_LOG_DEBUG(" is_secure_reset : %d", diag_data.is_dmcub_secure_reset); 982 DC_LOG_DEBUG(" is_traceport_en : %d", diag_data.is_traceport_en); 983 DC_LOG_DEBUG(" is_cw0_en : %d", diag_data.is_cw0_enabled); 984 DC_LOG_DEBUG(" is_cw6_en : %d", diag_data.is_cw6_enabled); 985 } 986 987 static bool dc_can_pipe_disable_cursor(struct pipe_ctx *pipe_ctx) 988 { 989 struct pipe_ctx *test_pipe, *split_pipe; 990 const struct scaler_data *scl_data = &pipe_ctx->plane_res.scl_data; 991 struct rect r1 = scl_data->recout, r2, r2_half; 992 int r1_r = r1.x + r1.width, r1_b = r1.y + r1.height, r2_r, r2_b; 993 int cur_layer = pipe_ctx->plane_state->layer_index; 994 995 /** 996 * Disable the cursor if there's another pipe above this with a 997 * plane that contains this pipe's viewport to prevent double cursor 998 * and incorrect scaling artifacts. 999 */ 1000 for (test_pipe = pipe_ctx->top_pipe; test_pipe; 1001 test_pipe = test_pipe->top_pipe) { 1002 // Skip invisible layer and pipe-split plane on same layer 1003 if (!test_pipe->plane_state->visible || test_pipe->plane_state->layer_index == cur_layer) 1004 continue; 1005 1006 r2 = test_pipe->plane_res.scl_data.recout; 1007 r2_r = r2.x + r2.width; 1008 r2_b = r2.y + r2.height; 1009 split_pipe = test_pipe; 1010 1011 /** 1012 * There is another half plane on same layer because of 1013 * pipe-split, merge together per same height. 1014 */ 1015 for (split_pipe = pipe_ctx->top_pipe; split_pipe; 1016 split_pipe = split_pipe->top_pipe) 1017 if (split_pipe->plane_state->layer_index == test_pipe->plane_state->layer_index) { 1018 r2_half = split_pipe->plane_res.scl_data.recout; 1019 r2.x = (r2_half.x < r2.x) ? r2_half.x : r2.x; 1020 r2.width = r2.width + r2_half.width; 1021 r2_r = r2.x + r2.width; 1022 break; 1023 } 1024 1025 if (r1.x >= r2.x && r1.y >= r2.y && r1_r <= r2_r && r1_b <= r2_b) 1026 return true; 1027 } 1028 1029 return false; 1030 } 1031 1032 static bool dc_dmub_should_update_cursor_data(struct pipe_ctx *pipe_ctx) 1033 { 1034 if (pipe_ctx->plane_state != NULL) { 1035 if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE) 1036 return false; 1037 1038 if (dc_can_pipe_disable_cursor(pipe_ctx)) 1039 return false; 1040 } 1041 1042 if ((pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 || 1043 pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) && 1044 pipe_ctx->stream->ctx->dce_version >= DCN_VERSION_3_1) 1045 return true; 1046 1047 if (pipe_ctx->stream->link->replay_settings.config.replay_supported) 1048 return true; 1049 1050 return false; 1051 } 1052 1053 static void dc_build_cursor_update_payload0( 1054 struct pipe_ctx *pipe_ctx, uint8_t p_idx, 1055 struct dmub_cmd_update_cursor_payload0 *payload) 1056 { 1057 struct hubp *hubp = pipe_ctx->plane_res.hubp; 1058 unsigned int panel_inst = 0; 1059 1060 if (!dc_get_edp_link_panel_inst(hubp->ctx->dc, 1061 pipe_ctx->stream->link, &panel_inst)) 1062 return; 1063 1064 /* Payload: Cursor Rect is built from position & attribute 1065 * x & y are obtained from postion 1066 */ 1067 payload->cursor_rect.x = hubp->cur_rect.x; 1068 payload->cursor_rect.y = hubp->cur_rect.y; 1069 /* w & h are obtained from attribute */ 1070 payload->cursor_rect.width = hubp->cur_rect.w; 1071 payload->cursor_rect.height = hubp->cur_rect.h; 1072 1073 payload->enable = hubp->pos.cur_ctl.bits.cur_enable; 1074 payload->pipe_idx = p_idx; 1075 payload->cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1; 1076 payload->panel_inst = panel_inst; 1077 } 1078 1079 static void dc_build_cursor_position_update_payload0( 1080 struct dmub_cmd_update_cursor_payload0 *pl, const uint8_t p_idx, 1081 const struct hubp *hubp, const struct dpp *dpp) 1082 { 1083 /* Hubp */ 1084 pl->position_cfg.pHubp.cur_ctl.raw = hubp->pos.cur_ctl.raw; 1085 pl->position_cfg.pHubp.position.raw = hubp->pos.position.raw; 1086 pl->position_cfg.pHubp.hot_spot.raw = hubp->pos.hot_spot.raw; 1087 pl->position_cfg.pHubp.dst_offset.raw = hubp->pos.dst_offset.raw; 1088 1089 /* dpp */ 1090 pl->position_cfg.pDpp.cur0_ctl.raw = dpp->pos.cur0_ctl.raw; 1091 pl->position_cfg.pipe_idx = p_idx; 1092 } 1093 1094 static void dc_build_cursor_attribute_update_payload1( 1095 struct dmub_cursor_attributes_cfg *pl_A, const uint8_t p_idx, 1096 const struct hubp *hubp, const struct dpp *dpp) 1097 { 1098 /* Hubp */ 1099 pl_A->aHubp.SURFACE_ADDR_HIGH = hubp->att.SURFACE_ADDR_HIGH; 1100 pl_A->aHubp.SURFACE_ADDR = hubp->att.SURFACE_ADDR; 1101 pl_A->aHubp.cur_ctl.raw = hubp->att.cur_ctl.raw; 1102 pl_A->aHubp.size.raw = hubp->att.size.raw; 1103 pl_A->aHubp.settings.raw = hubp->att.settings.raw; 1104 1105 /* dpp */ 1106 pl_A->aDpp.cur0_ctl.raw = dpp->att.cur0_ctl.raw; 1107 } 1108 1109 /** 1110 * dc_send_update_cursor_info_to_dmu - Populate the DMCUB Cursor update info command 1111 * 1112 * @pCtx: [in] pipe context 1113 * @pipe_idx: [in] pipe index 1114 * 1115 * This function would store the cursor related information and pass it into 1116 * dmub 1117 */ 1118 void dc_send_update_cursor_info_to_dmu( 1119 struct pipe_ctx *pCtx, uint8_t pipe_idx) 1120 { 1121 union dmub_rb_cmd cmd[2]; 1122 union dmub_cmd_update_cursor_info_data *update_cursor_info_0 = 1123 &cmd[0].update_cursor_info.update_cursor_info_data; 1124 1125 memset(cmd, 0, sizeof(cmd)); 1126 1127 if (!dc_dmub_should_update_cursor_data(pCtx)) 1128 return; 1129 /* 1130 * Since we use multi_cmd_pending for dmub command, the 2nd command is 1131 * only assigned to store cursor attributes info. 1132 * 1st command can view as 2 parts, 1st is for PSR/Replay data, the other 1133 * is to store cursor position info. 1134 * 1135 * Command heaer type must be the same type if using multi_cmd_pending. 1136 * Besides, while process 2nd command in DMU, the sub type is useless. 1137 * So it's meanless to pass the sub type header with different type. 1138 */ 1139 1140 { 1141 /* Build Payload#0 Header */ 1142 cmd[0].update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO; 1143 cmd[0].update_cursor_info.header.payload_bytes = 1144 sizeof(cmd[0].update_cursor_info.update_cursor_info_data); 1145 cmd[0].update_cursor_info.header.multi_cmd_pending = 1; //To combine multi dmu cmd, 1st cmd 1146 1147 /* Prepare Payload */ 1148 dc_build_cursor_update_payload0(pCtx, pipe_idx, &update_cursor_info_0->payload0); 1149 1150 dc_build_cursor_position_update_payload0(&update_cursor_info_0->payload0, pipe_idx, 1151 pCtx->plane_res.hubp, pCtx->plane_res.dpp); 1152 } 1153 { 1154 /* Build Payload#1 Header */ 1155 cmd[1].update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO; 1156 cmd[1].update_cursor_info.header.payload_bytes = sizeof(struct cursor_attributes_cfg); 1157 cmd[1].update_cursor_info.header.multi_cmd_pending = 0; //Indicate it's the last command. 1158 1159 dc_build_cursor_attribute_update_payload1( 1160 &cmd[1].update_cursor_info.update_cursor_info_data.payload1.attribute_cfg, 1161 pipe_idx, pCtx->plane_res.hubp, pCtx->plane_res.dpp); 1162 1163 /* Combine 2nd cmds update_curosr_info to DMU */ 1164 dc_wake_and_execute_dmub_cmd_list(pCtx->stream->ctx, 2, cmd, DM_DMUB_WAIT_TYPE_WAIT); 1165 } 1166 } 1167 1168 bool dc_dmub_check_min_version(struct dmub_srv *srv) 1169 { 1170 if (!srv->hw_funcs.is_psrsu_supported) 1171 return true; 1172 return srv->hw_funcs.is_psrsu_supported(srv); 1173 } 1174 1175 void dc_dmub_srv_enable_dpia_trace(const struct dc *dc) 1176 { 1177 struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv; 1178 1179 if (!dc_dmub_srv || !dc_dmub_srv->dmub) { 1180 DC_LOG_ERROR("%s: invalid parameters.", __func__); 1181 return; 1182 } 1183 1184 if (!dc_wake_and_execute_gpint(dc->ctx, DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1, 1185 0x0010, NULL, DM_DMUB_WAIT_TYPE_WAIT)) { 1186 DC_LOG_ERROR("timeout updating trace buffer mask word\n"); 1187 return; 1188 } 1189 1190 if (!dc_wake_and_execute_gpint(dc->ctx, DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK, 1191 0x0000, NULL, DM_DMUB_WAIT_TYPE_WAIT)) { 1192 DC_LOG_ERROR("timeout updating trace buffer mask word\n"); 1193 return; 1194 } 1195 1196 DC_LOG_DEBUG("Enabled DPIA trace\n"); 1197 } 1198 1199 void dc_dmub_srv_subvp_save_surf_addr(const struct dc_dmub_srv *dc_dmub_srv, const struct dc_plane_address *addr, uint8_t subvp_index) 1200 { 1201 dmub_srv_subvp_save_surf_addr(dc_dmub_srv->dmub, addr, subvp_index); 1202 } 1203 1204 bool dc_dmub_srv_is_hw_pwr_up(struct dc_dmub_srv *dc_dmub_srv, bool wait) 1205 { 1206 struct dc_context *dc_ctx; 1207 enum dmub_status status; 1208 1209 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1210 return true; 1211 1212 if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation) 1213 return true; 1214 1215 dc_ctx = dc_dmub_srv->ctx; 1216 1217 if (wait) { 1218 if (dc_dmub_srv->ctx->dc->debug.disable_timeout) { 1219 do { 1220 status = dmub_srv_wait_for_hw_pwr_up(dc_dmub_srv->dmub, 500000); 1221 } while (status != DMUB_STATUS_OK); 1222 } else { 1223 status = dmub_srv_wait_for_hw_pwr_up(dc_dmub_srv->dmub, 500000); 1224 if (status != DMUB_STATUS_OK) { 1225 DC_ERROR("Error querying DMUB hw power up status: error=%d\n", status); 1226 return false; 1227 } 1228 } 1229 } else 1230 return dmub_srv_is_hw_pwr_up(dc_dmub_srv->dmub); 1231 1232 return true; 1233 } 1234 1235 static int count_active_streams(const struct dc *dc) 1236 { 1237 int i, count = 0; 1238 1239 for (i = 0; i < dc->current_state->stream_count; ++i) { 1240 struct dc_stream_state *stream = dc->current_state->streams[i]; 1241 1242 if (stream && !stream->dpms_off) 1243 count += 1; 1244 } 1245 1246 return count; 1247 } 1248 1249 static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) 1250 { 1251 volatile const struct dmub_shared_state_ips_fw *ips_fw; 1252 struct dc_dmub_srv *dc_dmub_srv; 1253 union dmub_rb_cmd cmd = {0}; 1254 1255 if (dc->debug.dmcub_emulation) 1256 return; 1257 1258 if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub) 1259 return; 1260 1261 dc_dmub_srv = dc->ctx->dmub_srv; 1262 ips_fw = &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw; 1263 1264 memset(&cmd, 0, sizeof(cmd)); 1265 cmd.idle_opt_notify_idle.header.type = DMUB_CMD__IDLE_OPT; 1266 cmd.idle_opt_notify_idle.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE; 1267 cmd.idle_opt_notify_idle.header.payload_bytes = 1268 sizeof(cmd.idle_opt_notify_idle) - 1269 sizeof(cmd.idle_opt_notify_idle.header); 1270 1271 cmd.idle_opt_notify_idle.cntl_data.driver_idle = allow_idle; 1272 1273 if (dc->work_arounds.skip_psr_ips_crtc_disable) 1274 cmd.idle_opt_notify_idle.cntl_data.skip_otg_disable = true; 1275 1276 if (allow_idle) { 1277 volatile struct dmub_shared_state_ips_driver *ips_driver = 1278 &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER].data.ips_driver; 1279 union dmub_shared_state_ips_driver_signals new_signals; 1280 1281 DC_LOG_IPS( 1282 "%s wait idle (ips1_commit=%d ips2_commit=%d)", 1283 __func__, 1284 ips_fw->signals.bits.ips1_commit, 1285 ips_fw->signals.bits.ips2_commit); 1286 1287 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); 1288 1289 memset(&new_signals, 0, sizeof(new_signals)); 1290 1291 if (dc->config.disable_ips == DMUB_IPS_ENABLE || 1292 dc->config.disable_ips == DMUB_IPS_DISABLE_DYNAMIC) { 1293 new_signals.bits.allow_pg = 1; 1294 new_signals.bits.allow_ips1 = 1; 1295 new_signals.bits.allow_ips2 = 1; 1296 new_signals.bits.allow_z10 = 1; 1297 } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS1) { 1298 new_signals.bits.allow_ips1 = 1; 1299 } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2) { 1300 new_signals.bits.allow_pg = 1; 1301 new_signals.bits.allow_ips1 = 1; 1302 } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2_Z10) { 1303 new_signals.bits.allow_pg = 1; 1304 new_signals.bits.allow_ips1 = 1; 1305 new_signals.bits.allow_ips2 = 1; 1306 } else if (dc->config.disable_ips == DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF) { 1307 /* TODO: Move this logic out to hwseq */ 1308 if (count_active_streams(dc) == 0) { 1309 /* IPS2 - Display off */ 1310 new_signals.bits.allow_pg = 1; 1311 new_signals.bits.allow_ips1 = 1; 1312 new_signals.bits.allow_ips2 = 1; 1313 new_signals.bits.allow_z10 = 1; 1314 } else { 1315 /* RCG only */ 1316 new_signals.bits.allow_pg = 0; 1317 new_signals.bits.allow_ips1 = 1; 1318 new_signals.bits.allow_ips2 = 0; 1319 new_signals.bits.allow_z10 = 0; 1320 } 1321 } 1322 1323 ips_driver->signals = new_signals; 1324 dc_dmub_srv->driver_signals = ips_driver->signals; 1325 } 1326 1327 DC_LOG_IPS( 1328 "%s send allow_idle=%d (ips1_commit=%d ips2_commit=%d)", 1329 __func__, 1330 allow_idle, 1331 ips_fw->signals.bits.ips1_commit, 1332 ips_fw->signals.bits.ips2_commit); 1333 1334 /* NOTE: This does not use the "wake" interface since this is part of the wake path. */ 1335 /* We also do not perform a wait since DMCUB could enter idle after the notification. */ 1336 dm_execute_dmub_cmd(dc->ctx, &cmd, allow_idle ? DM_DMUB_WAIT_TYPE_NO_WAIT : DM_DMUB_WAIT_TYPE_WAIT); 1337 1338 /* Register access should stop at this point. */ 1339 if (allow_idle) 1340 dc_dmub_srv->needs_idle_wake = true; 1341 } 1342 1343 static void dc_dmub_srv_exit_low_power_state(const struct dc *dc) 1344 { 1345 struct dc_dmub_srv *dc_dmub_srv; 1346 uint32_t rcg_exit_count = 0, ips1_exit_count = 0, ips2_exit_count = 0; 1347 1348 if (dc->debug.dmcub_emulation) 1349 return; 1350 1351 if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub) 1352 return; 1353 1354 dc_dmub_srv = dc->ctx->dmub_srv; 1355 1356 if (dc->clk_mgr->funcs->exit_low_power_state) { 1357 volatile const struct dmub_shared_state_ips_fw *ips_fw = 1358 &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw; 1359 volatile struct dmub_shared_state_ips_driver *ips_driver = 1360 &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER].data.ips_driver; 1361 union dmub_shared_state_ips_driver_signals prev_driver_signals = ips_driver->signals; 1362 1363 rcg_exit_count = ips_fw->rcg_exit_count; 1364 ips1_exit_count = ips_fw->ips1_exit_count; 1365 ips2_exit_count = ips_fw->ips2_exit_count; 1366 1367 ips_driver->signals.all = 0; 1368 dc_dmub_srv->driver_signals = ips_driver->signals; 1369 1370 DC_LOG_IPS( 1371 "%s (allow ips1=%d ips2=%d) (commit ips1=%d ips2=%d) (count rcg=%d ips1=%d ips2=%d)", 1372 __func__, 1373 ips_driver->signals.bits.allow_ips1, 1374 ips_driver->signals.bits.allow_ips2, 1375 ips_fw->signals.bits.ips1_commit, 1376 ips_fw->signals.bits.ips2_commit, 1377 ips_fw->rcg_entry_count, 1378 ips_fw->ips1_entry_count, 1379 ips_fw->ips2_entry_count); 1380 1381 /* Note: register access has technically not resumed for DCN here, but we 1382 * need to be message PMFW through our standard register interface. 1383 */ 1384 dc_dmub_srv->needs_idle_wake = false; 1385 1386 if (prev_driver_signals.bits.allow_ips2 && 1387 (!dc->debug.optimize_ips_handshake || 1388 ips_fw->signals.bits.ips2_commit || !ips_fw->signals.bits.in_idle)) { 1389 DC_LOG_IPS( 1390 "wait IPS2 eval (ips1_commit=%d ips2_commit=%d)", 1391 ips_fw->signals.bits.ips1_commit, 1392 ips_fw->signals.bits.ips2_commit); 1393 1394 if (!dc->debug.optimize_ips_handshake || !ips_fw->signals.bits.ips2_commit) 1395 udelay(dc->debug.ips2_eval_delay_us); 1396 1397 if (ips_fw->signals.bits.ips2_commit) { 1398 DC_LOG_IPS( 1399 "exit IPS2 #1 (ips1_commit=%d ips2_commit=%d)", 1400 ips_fw->signals.bits.ips1_commit, 1401 ips_fw->signals.bits.ips2_commit); 1402 1403 // Tell PMFW to exit low power state 1404 dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr); 1405 1406 DC_LOG_IPS( 1407 "wait IPS2 entry delay (ips1_commit=%d ips2_commit=%d)", 1408 ips_fw->signals.bits.ips1_commit, 1409 ips_fw->signals.bits.ips2_commit); 1410 1411 // Wait for IPS2 entry upper bound 1412 udelay(dc->debug.ips2_entry_delay_us); 1413 1414 DC_LOG_IPS( 1415 "exit IPS2 #2 (ips1_commit=%d ips2_commit=%d)", 1416 ips_fw->signals.bits.ips1_commit, 1417 ips_fw->signals.bits.ips2_commit); 1418 1419 dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr); 1420 1421 DC_LOG_IPS( 1422 "wait IPS2 commit clear (ips1_commit=%d ips2_commit=%d)", 1423 ips_fw->signals.bits.ips1_commit, 1424 ips_fw->signals.bits.ips2_commit); 1425 1426 while (ips_fw->signals.bits.ips2_commit) 1427 udelay(1); 1428 1429 DC_LOG_IPS( 1430 "wait hw_pwr_up (ips1_commit=%d ips2_commit=%d)", 1431 ips_fw->signals.bits.ips1_commit, 1432 ips_fw->signals.bits.ips2_commit); 1433 1434 if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true)) 1435 ASSERT(0); 1436 1437 DC_LOG_IPS( 1438 "resync inbox1 (ips1_commit=%d ips2_commit=%d)", 1439 ips_fw->signals.bits.ips1_commit, 1440 ips_fw->signals.bits.ips2_commit); 1441 1442 dmub_srv_sync_inbox1(dc->ctx->dmub_srv->dmub); 1443 } 1444 } 1445 1446 dc_dmub_srv_notify_idle(dc, false); 1447 if (prev_driver_signals.bits.allow_ips1) { 1448 DC_LOG_IPS( 1449 "wait for IPS1 commit clear (ips1_commit=%d ips2_commit=%d)", 1450 ips_fw->signals.bits.ips1_commit, 1451 ips_fw->signals.bits.ips2_commit); 1452 1453 while (ips_fw->signals.bits.ips1_commit) 1454 udelay(1); 1455 1456 DC_LOG_IPS( 1457 "wait for IPS1 commit clear done (ips1_commit=%d ips2_commit=%d)", 1458 ips_fw->signals.bits.ips1_commit, 1459 ips_fw->signals.bits.ips2_commit); 1460 } 1461 } 1462 1463 if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true)) 1464 ASSERT(0); 1465 1466 DC_LOG_IPS("%s exit (count rcg=%d ips1=%d ips2=%d)", 1467 __func__, 1468 rcg_exit_count, 1469 ips1_exit_count, 1470 ips2_exit_count); 1471 } 1472 1473 void dc_dmub_srv_set_power_state(struct dc_dmub_srv *dc_dmub_srv, enum dc_acpi_cm_power_state powerState) 1474 { 1475 struct dmub_srv *dmub; 1476 1477 if (!dc_dmub_srv) 1478 return; 1479 1480 dmub = dc_dmub_srv->dmub; 1481 1482 if (powerState == DC_ACPI_CM_POWER_STATE_D0) 1483 dmub_srv_set_power_state(dmub, DMUB_POWER_STATE_D0); 1484 else 1485 dmub_srv_set_power_state(dmub, DMUB_POWER_STATE_D3); 1486 } 1487 1488 bool dc_dmub_srv_should_detect(struct dc_dmub_srv *dc_dmub_srv) 1489 { 1490 volatile const struct dmub_shared_state_ips_fw *ips_fw; 1491 bool reallow_idle = false, should_detect = false; 1492 1493 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1494 return false; 1495 1496 if (dc_dmub_srv->dmub->shared_state && 1497 dc_dmub_srv->dmub->meta_info.feature_bits.bits.shared_state_link_detection) { 1498 ips_fw = &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw; 1499 return ips_fw->signals.bits.detection_required; 1500 } 1501 1502 /* Detection may require reading scratch 0 - exit out of idle prior to the read. */ 1503 if (dc_dmub_srv->idle_allowed) { 1504 dc_dmub_srv_apply_idle_power_optimizations(dc_dmub_srv->ctx->dc, false); 1505 reallow_idle = true; 1506 } 1507 1508 should_detect = dmub_srv_should_detect(dc_dmub_srv->dmub); 1509 1510 /* Re-enter idle if we're not about to immediately redetect links. */ 1511 if (!should_detect && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 && 1512 !dc_dmub_srv->ctx->dc->debug.disable_dmub_reallow_idle) 1513 dc_dmub_srv_apply_idle_power_optimizations(dc_dmub_srv->ctx->dc, true); 1514 1515 return should_detect; 1516 } 1517 1518 void dc_dmub_srv_apply_idle_power_optimizations(const struct dc *dc, bool allow_idle) 1519 { 1520 struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv; 1521 1522 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1523 return; 1524 1525 allow_idle &= (!dc->debug.ips_disallow_entry); 1526 1527 if (dc_dmub_srv->idle_allowed == allow_idle) 1528 return; 1529 1530 DC_LOG_IPS("%s state change: old=%d new=%d", __func__, dc_dmub_srv->idle_allowed, allow_idle); 1531 1532 /* 1533 * Entering a low power state requires a driver notification. 1534 * Powering up the hardware requires notifying PMFW and DMCUB. 1535 * Clearing the driver idle allow requires a DMCUB command. 1536 * DMCUB commands requires the DMCUB to be powered up and restored. 1537 */ 1538 1539 if (!allow_idle) { 1540 dc_dmub_srv->idle_exit_counter += 1; 1541 1542 dc_dmub_srv_exit_low_power_state(dc); 1543 /* 1544 * Idle is considered fully exited only after the sequence above 1545 * fully completes. If we have a race of two threads exiting 1546 * at the same time then it's safe to perform the sequence 1547 * twice as long as we're not re-entering. 1548 * 1549 * Infinite command submission is avoided by using the 1550 * dm_execute_dmub_cmd submission instead of the "wake" helpers. 1551 */ 1552 dc_dmub_srv->idle_allowed = false; 1553 1554 dc_dmub_srv->idle_exit_counter -= 1; 1555 if (dc_dmub_srv->idle_exit_counter < 0) { 1556 ASSERT(0); 1557 dc_dmub_srv->idle_exit_counter = 0; 1558 } 1559 } else { 1560 /* Consider idle as notified prior to the actual submission to 1561 * prevent multiple entries. */ 1562 dc_dmub_srv->idle_allowed = true; 1563 1564 dc_dmub_srv_notify_idle(dc, allow_idle); 1565 } 1566 } 1567 1568 bool dc_wake_and_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, 1569 enum dm_dmub_wait_type wait_type) 1570 { 1571 return dc_wake_and_execute_dmub_cmd_list(ctx, 1, cmd, wait_type); 1572 } 1573 1574 bool dc_wake_and_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count, 1575 union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type) 1576 { 1577 struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv; 1578 bool result = false, reallow_idle = false; 1579 1580 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1581 return false; 1582 1583 if (count == 0) 1584 return true; 1585 1586 if (dc_dmub_srv->idle_allowed) { 1587 dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, false); 1588 reallow_idle = true; 1589 } 1590 1591 /* 1592 * These may have different implementations in DM, so ensure 1593 * that we guide it to the expected helper. 1594 */ 1595 if (count > 1) 1596 result = dm_execute_dmub_cmd_list(ctx, count, cmd, wait_type); 1597 else 1598 result = dm_execute_dmub_cmd(ctx, cmd, wait_type); 1599 1600 if (result && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 && 1601 !ctx->dc->debug.disable_dmub_reallow_idle) 1602 dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, true); 1603 1604 return result; 1605 } 1606 1607 static bool dc_dmub_execute_gpint(const struct dc_context *ctx, enum dmub_gpint_command command_code, 1608 uint16_t param, uint32_t *response, enum dm_dmub_wait_type wait_type) 1609 { 1610 struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv; 1611 const uint32_t wait_us = wait_type == DM_DMUB_WAIT_TYPE_NO_WAIT ? 0 : 30; 1612 enum dmub_status status; 1613 1614 if (response) 1615 *response = 0; 1616 1617 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1618 return false; 1619 1620 status = dmub_srv_send_gpint_command(dc_dmub_srv->dmub, command_code, param, wait_us); 1621 if (status != DMUB_STATUS_OK) { 1622 if (status == DMUB_STATUS_TIMEOUT && wait_type == DM_DMUB_WAIT_TYPE_NO_WAIT) 1623 return true; 1624 1625 return false; 1626 } 1627 1628 if (response && wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) 1629 dmub_srv_get_gpint_response(dc_dmub_srv->dmub, response); 1630 1631 return true; 1632 } 1633 1634 bool dc_wake_and_execute_gpint(const struct dc_context *ctx, enum dmub_gpint_command command_code, 1635 uint16_t param, uint32_t *response, enum dm_dmub_wait_type wait_type) 1636 { 1637 struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv; 1638 bool result = false, reallow_idle = false; 1639 1640 if (!dc_dmub_srv || !dc_dmub_srv->dmub) 1641 return false; 1642 1643 if (dc_dmub_srv->idle_allowed) { 1644 dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, false); 1645 reallow_idle = true; 1646 } 1647 1648 result = dc_dmub_execute_gpint(ctx, command_code, param, response, wait_type); 1649 1650 if (result && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 && 1651 !ctx->dc->debug.disable_dmub_reallow_idle) 1652 dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, true); 1653 1654 return result; 1655 } 1656 1657 void dc_dmub_srv_fams2_update_config(struct dc *dc, 1658 struct dc_state *context, 1659 bool enable) 1660 { 1661 uint8_t num_cmds = 1; 1662 uint32_t i; 1663 union dmub_rb_cmd cmd[MAX_STREAMS + 1]; 1664 struct dmub_rb_cmd_fams2 *global_cmd = &cmd[0].fams2_config; 1665 1666 memset(cmd, 0, sizeof(union dmub_rb_cmd) * (MAX_STREAMS + 1)); 1667 /* fill in generic command header */ 1668 global_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 1669 global_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG; 1670 global_cmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); 1671 1672 /* send global configuration parameters */ 1673 global_cmd->config.global.max_allow_delay_us = 100 * 1000; //100ms 1674 global_cmd->config.global.lock_wait_time_us = 5000; //5ms 1675 global_cmd->config.global.recovery_timeout_us = 5000; //5ms 1676 global_cmd->config.global.hwfq_flip_programming_delay_us = 100; //100us 1677 1678 /* copy static feature configuration */ 1679 global_cmd->config.global.features.all = dc->debug.fams2_config.all; 1680 1681 /* apply feature configuration based on current driver state */ 1682 global_cmd->config.global.features.bits.enable_visual_confirm = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS2; 1683 global_cmd->config.global.features.bits.enable = enable; 1684 1685 /* construct per-stream configs */ 1686 if (enable) { 1687 for (i = 0; i < context->bw_ctx.bw.dcn.fams2_stream_count; i++) { 1688 struct dmub_rb_cmd_fams2 *stream_cmd = &cmd[i+1].fams2_config; 1689 1690 /* configure command header */ 1691 stream_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 1692 stream_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG; 1693 stream_cmd->header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header); 1694 stream_cmd->header.multi_cmd_pending = 1; 1695 /* copy stream static state */ 1696 memcpy(&stream_cmd->config.stream, 1697 &context->bw_ctx.bw.dcn.fams2_stream_params[i], 1698 sizeof(struct dmub_fams2_stream_static_state)); 1699 } 1700 } 1701 1702 if (enable && context->bw_ctx.bw.dcn.fams2_stream_count) { 1703 /* set multi pending for global, and unset for last stream cmd */ 1704 global_cmd->config.global.num_streams = context->bw_ctx.bw.dcn.fams2_stream_count; 1705 global_cmd->header.multi_cmd_pending = 1; 1706 cmd[context->bw_ctx.bw.dcn.fams2_stream_count].fams2_config.header.multi_cmd_pending = 0; 1707 num_cmds += context->bw_ctx.bw.dcn.fams2_stream_count; 1708 } 1709 1710 dm_execute_dmub_cmd_list(dc->ctx, num_cmds, cmd, DM_DMUB_WAIT_TYPE_WAIT); 1711 } 1712 1713 void dc_dmub_srv_fams2_drr_update(struct dc *dc, 1714 uint32_t tg_inst, 1715 uint32_t vtotal_min, 1716 uint32_t vtotal_max, 1717 uint32_t vtotal_mid, 1718 uint32_t vtotal_mid_frame_num, 1719 bool program_manual_trigger) 1720 { 1721 union dmub_rb_cmd cmd = { 0 }; 1722 1723 cmd.fams2_drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 1724 cmd.fams2_drr_update.header.sub_type = DMUB_CMD__FAMS2_DRR_UPDATE; 1725 cmd.fams2_drr_update.dmub_optc_state_req.tg_inst = tg_inst; 1726 cmd.fams2_drr_update.dmub_optc_state_req.v_total_max = vtotal_max; 1727 cmd.fams2_drr_update.dmub_optc_state_req.v_total_min = vtotal_min; 1728 cmd.fams2_drr_update.dmub_optc_state_req.v_total_mid = vtotal_mid; 1729 cmd.fams2_drr_update.dmub_optc_state_req.v_total_mid_frame_num = vtotal_mid_frame_num; 1730 cmd.fams2_drr_update.dmub_optc_state_req.program_manual_trigger = program_manual_trigger; 1731 1732 cmd.fams2_drr_update.header.payload_bytes = sizeof(cmd.fams2_drr_update) - sizeof(cmd.fams2_drr_update.header); 1733 1734 dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 1735 } 1736 1737 void dc_dmub_srv_fams2_passthrough_flip( 1738 struct dc *dc, 1739 struct dc_state *state, 1740 struct dc_stream_state *stream, 1741 struct dc_surface_update *srf_updates, 1742 int surface_count) 1743 { 1744 int plane_index; 1745 union dmub_rb_cmd cmds[MAX_PLANES]; 1746 struct dc_plane_address *address; 1747 struct dc_plane_state *plane_state; 1748 int num_cmds = 0; 1749 struct dc_stream_status *stream_status = dc_stream_get_status(stream); 1750 1751 if (surface_count <= 0 || stream_status == NULL) 1752 return; 1753 1754 memset(cmds, 0, sizeof(union dmub_rb_cmd) * MAX_PLANES); 1755 1756 /* build command for each surface update */ 1757 for (plane_index = 0; plane_index < surface_count; plane_index++) { 1758 plane_state = srf_updates[plane_index].surface; 1759 address = &plane_state->address; 1760 1761 /* skip if there is no address update for plane */ 1762 if (!srf_updates[plane_index].flip_addr) 1763 continue; 1764 1765 /* build command header */ 1766 cmds[num_cmds].fams2_flip.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH; 1767 cmds[num_cmds].fams2_flip.header.sub_type = DMUB_CMD__FAMS2_FLIP; 1768 cmds[num_cmds].fams2_flip.header.payload_bytes = sizeof(struct dmub_rb_cmd_fams2_flip); 1769 1770 /* for chaining multiple commands, all but last command should set to 1 */ 1771 cmds[num_cmds].fams2_flip.header.multi_cmd_pending = 1; 1772 1773 /* set topology info */ 1774 cmds[num_cmds].fams2_flip.flip_info.pipe_mask = dc_plane_get_pipe_mask(state, plane_state); 1775 if (stream_status) 1776 cmds[num_cmds].fams2_flip.flip_info.otg_inst = stream_status->primary_otg_inst; 1777 1778 cmds[num_cmds].fams2_flip.flip_info.config.bits.is_immediate = plane_state->flip_immediate; 1779 1780 /* build address info for command */ 1781 switch (address->type) { 1782 case PLN_ADDR_TYPE_GRAPHICS: 1783 if (address->grph.addr.quad_part == 0) { 1784 BREAK_TO_DEBUGGER(); 1785 break; 1786 } 1787 1788 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_lo = 1789 address->grph.meta_addr.low_part; 1790 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_hi = 1791 (uint16_t)address->grph.meta_addr.high_part; 1792 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_lo = 1793 address->grph.addr.low_part; 1794 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_hi = 1795 (uint16_t)address->grph.addr.high_part; 1796 break; 1797 case PLN_ADDR_TYPE_VIDEO_PROGRESSIVE: 1798 if (address->video_progressive.luma_addr.quad_part == 0 || 1799 address->video_progressive.chroma_addr.quad_part == 0) { 1800 BREAK_TO_DEBUGGER(); 1801 break; 1802 } 1803 1804 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_lo = 1805 address->video_progressive.luma_meta_addr.low_part; 1806 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_hi = 1807 (uint16_t)address->video_progressive.luma_meta_addr.high_part; 1808 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_c_lo = 1809 address->video_progressive.chroma_meta_addr.low_part; 1810 cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_c_hi = 1811 (uint16_t)address->video_progressive.chroma_meta_addr.high_part; 1812 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_lo = 1813 address->video_progressive.luma_addr.low_part; 1814 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_hi = 1815 (uint16_t)address->video_progressive.luma_addr.high_part; 1816 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_c_lo = 1817 address->video_progressive.chroma_addr.low_part; 1818 cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_c_hi = 1819 (uint16_t)address->video_progressive.chroma_addr.high_part; 1820 break; 1821 default: 1822 // Should never be hit 1823 BREAK_TO_DEBUGGER(); 1824 break; 1825 } 1826 1827 num_cmds++; 1828 } 1829 1830 if (num_cmds > 0) { 1831 cmds[num_cmds - 1].fams2_flip.header.multi_cmd_pending = 0; 1832 dm_execute_dmub_cmd_list(dc->ctx, num_cmds, cmds, DM_DMUB_WAIT_TYPE_WAIT); 1833 } 1834 } 1835