2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
27 #include "dc_dmub_srv.h"
28 #include "../dmub/dmub_srv.h"
29 #include "dm_helpers.h"
30 #include "dc_hw_types.h"
31 #include "core_types.h"
33 #define CTX dc_dmub_srv->ctx
34 #define DC_LOGGER CTX->logger
36 static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
37 struct dmub_srv *dmub)
40 dc_srv->ctx = dc->ctx;
43 struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub)
45 struct dc_dmub_srv *dc_srv =
46 kzalloc(sizeof(struct dc_dmub_srv), GFP_KERNEL);
53 dc_dmub_srv_construct(dc_srv, dc, dmub);
58 void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
66 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
67 union dmub_rb_cmd *cmd)
69 struct dmub_srv *dmub = dc_dmub_srv->dmub;
70 struct dc_context *dc_ctx = dc_dmub_srv->ctx;
71 enum dmub_status status;
73 status = dmub_srv_cmd_queue(dmub, cmd);
74 if (status == DMUB_STATUS_OK)
77 if (status != DMUB_STATUS_QUEUE_FULL)
80 /* Execute and wait for queue to become empty again. */
81 dc_dmub_srv_cmd_execute(dc_dmub_srv);
82 dc_dmub_srv_wait_idle(dc_dmub_srv);
84 /* Requeue the command. */
85 status = dmub_srv_cmd_queue(dmub, cmd);
86 if (status == DMUB_STATUS_OK)
90 DC_ERROR("Error queuing DMUB command: status=%d\n", status);
91 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
94 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv)
96 struct dmub_srv *dmub = dc_dmub_srv->dmub;
97 struct dc_context *dc_ctx = dc_dmub_srv->ctx;
98 enum dmub_status status;
100 status = dmub_srv_cmd_execute(dmub);
101 if (status != DMUB_STATUS_OK) {
102 DC_ERROR("Error starting DMUB execution: status=%d\n", status);
103 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
107 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv)
109 struct dmub_srv *dmub = dc_dmub_srv->dmub;
110 struct dc_context *dc_ctx = dc_dmub_srv->ctx;
111 enum dmub_status status;
113 status = dmub_srv_wait_for_idle(dmub, 100000);
114 if (status != DMUB_STATUS_OK) {
115 DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
116 dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
120 void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dmub_srv)
122 struct dmub_srv *dmub = dmub_srv->dmub;
123 struct dc_context *dc_ctx = dmub_srv->ctx;
124 enum dmub_status status = DMUB_STATUS_OK;
126 status = dmub_srv_clear_inbox0_ack(dmub);
127 if (status != DMUB_STATUS_OK) {
128 DC_ERROR("Error clearing INBOX0 ack: status=%d\n", status);
129 dc_dmub_srv_log_diagnostic_data(dmub_srv);
133 void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dmub_srv)
135 struct dmub_srv *dmub = dmub_srv->dmub;
136 struct dc_context *dc_ctx = dmub_srv->ctx;
137 enum dmub_status status = DMUB_STATUS_OK;
139 status = dmub_srv_wait_for_inbox0_ack(dmub, 100000);
140 if (status != DMUB_STATUS_OK) {
141 DC_ERROR("Error waiting for INBOX0 HW Lock Ack\n");
142 dc_dmub_srv_log_diagnostic_data(dmub_srv);
146 void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
147 union dmub_inbox0_data_register data)
149 struct dmub_srv *dmub = dmub_srv->dmub;
150 struct dc_context *dc_ctx = dmub_srv->ctx;
151 enum dmub_status status = DMUB_STATUS_OK;
153 status = dmub_srv_send_inbox0_cmd(dmub, data);
154 if (status != DMUB_STATUS_OK) {
155 DC_ERROR("Error sending INBOX0 cmd\n");
156 dc_dmub_srv_log_diagnostic_data(dmub_srv);
160 bool dc_dmub_srv_cmd_with_reply_data(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd)
162 struct dmub_srv *dmub;
163 enum dmub_status status;
165 if (!dc_dmub_srv || !dc_dmub_srv->dmub)
168 dmub = dc_dmub_srv->dmub;
170 status = dmub_srv_cmd_with_reply_data(dmub, cmd);
171 if (status != DMUB_STATUS_OK) {
172 DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
179 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv)
181 struct dmub_srv *dmub = dc_dmub_srv->dmub;
182 struct dc_context *dc_ctx = dc_dmub_srv->ctx;
183 enum dmub_status status;
186 /* Wait up to a second for PHY init. */
187 status = dmub_srv_wait_for_phy_init(dmub, 1000000);
188 if (status == DMUB_STATUS_OK)
189 /* Initialization OK */
192 DC_ERROR("DMCUB PHY init failed: status=%d\n", status);
195 if (status != DMUB_STATUS_TIMEOUT)
197 * Server likely initialized or we don't have
198 * DMCUB HW support - this won't end.
202 /* Continue spinning so we don't hang the ASIC. */
206 bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
207 unsigned int stream_mask)
209 struct dmub_srv *dmub;
210 const uint32_t timeout = 30;
212 if (!dc_dmub_srv || !dc_dmub_srv->dmub)
215 dmub = dc_dmub_srv->dmub;
217 return dmub_srv_send_gpint_command(
218 dmub, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK,
219 stream_mask, timeout) == DMUB_STATUS_OK;
222 bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv)
224 struct dmub_srv *dmub;
225 struct dc_context *dc_ctx;
226 union dmub_fw_boot_status boot_status;
227 enum dmub_status status;
229 if (!dc_dmub_srv || !dc_dmub_srv->dmub)
232 dmub = dc_dmub_srv->dmub;
233 dc_ctx = dc_dmub_srv->ctx;
235 status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
236 if (status != DMUB_STATUS_OK) {
237 DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
241 return boot_status.bits.restore_required;
244 bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry)
246 struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
247 return dmub_srv_get_outbox0_msg(dmub, entry);
250 void dc_dmub_trace_event_control(struct dc *dc, bool enable)
252 dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
255 void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max)
257 union dmub_rb_cmd cmd = { 0 };
259 cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
260 cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_DRR_UPDATE;
261 cmd.drr_update.dmub_optc_state_req.v_total_max = vtotal_max;
262 cmd.drr_update.dmub_optc_state_req.v_total_min = vtotal_min;
263 cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
265 cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
267 // Send the command to the DMCUB.
268 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
269 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
270 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
273 void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst)
275 union dmub_rb_cmd cmd = { 0 };
277 cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
278 // TODO: Uncomment once FW headers are promoted
279 //cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_SET_MANUAL_TRIGGER;
280 cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
282 cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
284 // Send the command to the DMCUB.
285 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
286 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
287 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
290 static uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
295 for (i = 0; i < MAX_PIPES; i++) {
296 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
298 if (pipe->stream == stream && pipe->stream_res.tg)
304 static int dc_dmub_srv_get_timing_generator_offset(struct dc *dc, struct dc_stream_state *stream)
309 for (i = 0; i < MAX_PIPES; i++) {
310 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
312 if (pipe->stream == stream && pipe->stream_res.tg) {
313 tg_inst = pipe->stream_res.tg->inst;
320 bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool should_manage_pstate, struct dc_state *context)
322 union dmub_rb_cmd cmd = { 0 };
323 struct dmub_cmd_fw_assisted_mclk_switch_config *config_data = &cmd.fw_assisted_mclk_switch.config_data;
325 int ramp_up_num_steps = 1; // TODO: Ramp is currently disabled. Reenable it.
326 uint8_t visual_confirm_enabled = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS;
332 cmd.fw_assisted_mclk_switch.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
333 cmd.fw_assisted_mclk_switch.header.sub_type = DMUB_CMD__FAMS_SETUP_FW_CTRL;
334 cmd.fw_assisted_mclk_switch.config_data.fams_enabled = should_manage_pstate;
335 cmd.fw_assisted_mclk_switch.config_data.visual_confirm_enabled = visual_confirm_enabled;
337 for (i = 0; context && i < context->stream_count; i++) {
338 struct dc_stream_state *stream = context->streams[i];
339 uint8_t min_refresh_in_hz = (stream->timing.min_refresh_in_uhz + 999999) / 1000000;
340 int tg_inst = dc_dmub_srv_get_timing_generator_offset(dc, stream);
342 config_data->pipe_data[tg_inst].pix_clk_100hz = stream->timing.pix_clk_100hz;
343 config_data->pipe_data[tg_inst].min_refresh_in_hz = min_refresh_in_hz;
344 config_data->pipe_data[tg_inst].max_ramp_step = ramp_up_num_steps;
345 config_data->pipe_data[tg_inst].pipes = dc_dmub_srv_get_pipes_for_stream(dc, stream);
348 cmd.fw_assisted_mclk_switch.header.payload_bytes =
349 sizeof(cmd.fw_assisted_mclk_switch) - sizeof(cmd.fw_assisted_mclk_switch.header);
351 // Send the command to the DMCUB.
352 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
353 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
354 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
359 void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub)
361 union dmub_rb_cmd cmd = { 0 };
362 enum dmub_status status;
368 memset(&cmd, 0, sizeof(cmd));
370 /* Prepare fw command */
371 cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS;
372 cmd.query_feature_caps.header.sub_type = 0;
373 cmd.query_feature_caps.header.ret_status = 1;
374 cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data);
376 /* Send command to fw */
377 status = dmub_srv_cmd_with_reply_data(dmub, &cmd);
379 ASSERT(status == DMUB_STATUS_OK);
381 /* If command was processed, copy feature caps to dmub srv */
382 if (status == DMUB_STATUS_OK &&
383 cmd.query_feature_caps.header.ret_status == 0) {
384 memcpy(&dmub->feature_caps,
385 &cmd.query_feature_caps.query_feature_caps_data,
386 sizeof(struct dmub_feature_caps));
390 #ifdef CONFIG_DRM_AMD_DC_DCN
392 * ***********************************************************************************************
393 * populate_subvp_cmd_drr_info: Helper to populate DRR pipe info for the DMCUB subvp command
395 * Populate the DMCUB SubVP command with DRR pipe info. All the information required for calculating
396 * the SubVP + DRR microschedule is populated here.
398 * High level algorithm:
399 * 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe
400 * 2. Calculate the min and max vtotal which supports SubVP + DRR microschedule
401 * 3. Populate the drr_info with the min and max supported vtotal values
403 * @param [in] dc: current dc state
404 * @param [in] subvp_pipe: pipe_ctx for the SubVP pipe
405 * @param [in] vblank_pipe: pipe_ctx for the DRR pipe
406 * @param [in] pipe_data: Pipe data which stores the VBLANK/DRR info
410 * ***********************************************************************************************
412 static void populate_subvp_cmd_drr_info(struct dc *dc,
413 struct pipe_ctx *subvp_pipe,
414 struct pipe_ctx *vblank_pipe,
415 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data)
417 struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
418 struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
419 struct dc_crtc_timing *drr_timing = &vblank_pipe->stream->timing;
420 int16_t drr_frame_us = 0;
421 int16_t min_drr_supported_us = 0;
422 int16_t max_drr_supported_us = 0;
423 int16_t max_drr_vblank_us = 0;
424 int16_t max_drr_mallregion_us = 0;
425 int16_t mall_region_us = 0;
426 int16_t prefetch_us = 0;
427 int16_t subvp_active_us = 0;
428 int16_t drr_active_us = 0;
429 int16_t min_vtotal_supported = 0;
430 int16_t max_vtotal_supported = 0;
432 pipe_data->pipe_config.vblank_data.drr_info.drr_in_use = true;
433 pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping
434 pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now
436 drr_frame_us = div64_s64(drr_timing->v_total * drr_timing->h_total,
437 (int64_t)(drr_timing->pix_clk_100hz * 100) * 1000000);
438 // P-State allow width and FW delays already included phantom_timing->v_addressable
439 mall_region_us = div64_s64(phantom_timing->v_addressable * phantom_timing->h_total,
440 (int64_t)(phantom_timing->pix_clk_100hz * 100) * 1000000);
441 min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
442 min_vtotal_supported = div64_s64(drr_timing->pix_clk_100hz * 100 *
443 (div64_s64((int64_t)min_drr_supported_us, 1000000)),
444 (int64_t)drr_timing->h_total);
446 prefetch_us = div64_s64((phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total,
447 (int64_t)(phantom_timing->pix_clk_100hz * 100) * 1000000 +
448 dc->caps.subvp_prefetch_end_to_mall_start_us);
449 subvp_active_us = div64_s64(main_timing->v_addressable * main_timing->h_total,
450 (int64_t)(main_timing->pix_clk_100hz * 100) * 1000000);
451 drr_active_us = div64_s64(drr_timing->v_addressable * drr_timing->h_total,
452 (int64_t)(drr_timing->pix_clk_100hz * 100) * 1000000);
453 max_drr_vblank_us = div64_s64((int64_t)(subvp_active_us - prefetch_us - drr_active_us), 2) + drr_active_us;
454 max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us;
455 max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us;
456 max_vtotal_supported = div64_s64(drr_timing->pix_clk_100hz * 100 * (div64_s64((int64_t)max_drr_supported_us, 1000000)),
457 (int64_t)drr_timing->h_total);
459 pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported;
460 pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported;
464 * ***********************************************************************************************
465 * populate_subvp_cmd_vblank_pipe_info: Helper to populate VBLANK pipe info for the DMUB subvp command
467 * Populate the DMCUB SubVP command with VBLANK pipe info. All the information required to calculate
468 * the microschedule for SubVP + VBLANK case is stored in the pipe_data (subvp_data and vblank_data).
469 * Also check if the VBLANK pipe is a DRR display -- if it is make a call to populate drr_info.
471 * @param [in] dc: current dc state
472 * @param [in] context: new dc state
473 * @param [in] cmd: DMUB cmd to be populated with SubVP info
474 * @param [in] vblank_pipe: pipe_ctx for the VBLANK pipe
475 * @param [in] cmd_pipe_index: index for the pipe array in DMCUB SubVP cmd
479 * ***********************************************************************************************
481 static void populate_subvp_cmd_vblank_pipe_info(struct dc *dc,
482 struct dc_state *context,
483 union dmub_rb_cmd *cmd,
484 struct pipe_ctx *vblank_pipe,
485 uint8_t cmd_pipe_index)
488 struct pipe_ctx *pipe = NULL;
489 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
490 &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
492 // Find the SubVP pipe
493 for (i = 0; i < dc->res_pool->pipe_count; i++) {
494 pipe = &context->res_ctx.pipe_ctx[i];
496 // We check for master pipe, but it shouldn't matter since we only need
497 // the pipe for timing info (stream should be same for any pipe splits)
498 if (!pipe->stream || !pipe->plane_state || pipe->top_pipe || pipe->prev_odm_pipe)
501 // Find the SubVP pipe
502 if (pipe->stream->mall_stream_config.type == SUBVP_MAIN)
506 pipe_data->mode = VBLANK;
507 pipe_data->pipe_config.vblank_data.pix_clk_100hz = vblank_pipe->stream->timing.pix_clk_100hz;
508 pipe_data->pipe_config.vblank_data.vblank_start = vblank_pipe->stream->timing.v_total -
509 vblank_pipe->stream->timing.v_front_porch;
510 pipe_data->pipe_config.vblank_data.vtotal = vblank_pipe->stream->timing.v_total;
511 pipe_data->pipe_config.vblank_data.htotal = vblank_pipe->stream->timing.h_total;
512 pipe_data->pipe_config.vblank_data.vblank_pipe_index = vblank_pipe->pipe_idx;
513 pipe_data->pipe_config.vblank_data.vstartup_start = vblank_pipe->pipe_dlg_param.vstartup_start;
514 pipe_data->pipe_config.vblank_data.vblank_end =
515 vblank_pipe->stream->timing.v_total - vblank_pipe->stream->timing.v_front_porch - vblank_pipe->stream->timing.v_addressable;
517 if (vblank_pipe->stream->ignore_msa_timing_param)
518 populate_subvp_cmd_drr_info(dc, pipe, vblank_pipe, pipe_data);
522 * ***********************************************************************************************
523 * update_subvp_prefetch_end_to_mall_start: Helper for SubVP + SubVP case
525 * For SubVP + SubVP, we use a single vertical interrupt to start the microschedule for both
526 * SubVP pipes. In order for this to work correctly, the MALL REGION of both SubVP pipes must
527 * start at the same time. This function lengthens the prefetch end to mall start delay of the
528 * SubVP pipe that has the shorter prefetch so that both MALL REGION's will start at the same time.
530 * @param [in] dc: current dc state
531 * @param [in] context: new dc state
532 * @param [in] cmd: DMUB cmd to be populated with SubVP info
533 * @param [in] subvp_pipes: Array of SubVP pipes (should always be length 2)
537 * ***********************************************************************************************
539 static void update_subvp_prefetch_end_to_mall_start(struct dc *dc,
540 struct dc_state *context,
541 union dmub_rb_cmd *cmd,
542 struct pipe_ctx *subvp_pipes[])
544 uint32_t subvp0_prefetch_us = 0;
545 uint32_t subvp1_prefetch_us = 0;
546 uint32_t prefetch_delta_us = 0;
547 struct dc_crtc_timing *phantom_timing0 = &subvp_pipes[0]->stream->mall_stream_config.paired_stream->timing;
548 struct dc_crtc_timing *phantom_timing1 = &subvp_pipes[1]->stream->mall_stream_config.paired_stream->timing;
549 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL;
551 subvp0_prefetch_us = div64_s64((phantom_timing0->v_total - phantom_timing0->v_front_porch) * phantom_timing0->h_total,
552 (int64_t)(phantom_timing0->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us);
553 subvp1_prefetch_us = div64_s64((phantom_timing1->v_total - phantom_timing1->v_front_porch) * phantom_timing1->h_total,
554 (int64_t)(phantom_timing1->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us);
556 // Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time)
557 // should increase it's prefetch time to match the other
558 if (subvp0_prefetch_us > subvp1_prefetch_us) {
559 pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1];
560 prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us;
561 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
562 div64_s64(((div64_s64((int64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us), 1000000)) *
563 (phantom_timing1->pix_clk_100hz * 100) + phantom_timing1->h_total - 1),
564 (int64_t)phantom_timing1->h_total);
565 } else if (subvp1_prefetch_us > subvp0_prefetch_us) {
566 pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0];
567 prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us;
568 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
569 div64_s64(((div64_s64((int64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us), 1000000)) *
570 (phantom_timing0->pix_clk_100hz * 100) + phantom_timing0->h_total - 1),
571 (int64_t)phantom_timing0->h_total);
576 * ***************************************************************************************
577 * setup_subvp_dmub_command: Helper to populate the SubVP pipe info for the DMUB subvp command
579 * Populate the DMCUB SubVP command with SubVP pipe info. All the information required to
580 * calculate the microschedule for the SubVP pipe is stored in the pipe_data of the DMCUB
583 * @param [in] dc: current dc state
584 * @param [in] context: new dc state
585 * @param [in] cmd: DMUB cmd to be populated with SubVP info
586 * @param [in] subvp_pipe: pipe_ctx for the SubVP pipe
587 * @param [in] cmd_pipe_index: index for the pipe array in DMCUB SubVP cmd
591 * ***************************************************************************************
593 static void populate_subvp_cmd_pipe_info(struct dc *dc,
594 struct dc_state *context,
595 union dmub_rb_cmd *cmd,
596 struct pipe_ctx *subvp_pipe,
597 uint8_t cmd_pipe_index)
600 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
601 &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
602 struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
603 struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
605 pipe_data->mode = SUBVP;
606 pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz;
607 pipe_data->pipe_config.subvp_data.htotal = subvp_pipe->stream->timing.h_total;
608 pipe_data->pipe_config.subvp_data.vtotal = subvp_pipe->stream->timing.v_total;
609 pipe_data->pipe_config.subvp_data.main_vblank_start =
610 main_timing->v_total - main_timing->v_front_porch;
611 pipe_data->pipe_config.subvp_data.main_vblank_end =
612 main_timing->v_total - main_timing->v_front_porch - main_timing->v_addressable;
613 pipe_data->pipe_config.subvp_data.mall_region_lines = phantom_timing->v_addressable;
614 pipe_data->pipe_config.subvp_data.main_pipe_index = subvp_pipe->pipe_idx;
616 // Prefetch lines is equal to VACTIVE + BP + VSYNC
617 pipe_data->pipe_config.subvp_data.prefetch_lines =
618 phantom_timing->v_total - phantom_timing->v_front_porch;
621 pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
622 div64_s64(((div64_s64((int64_t)dc->caps.subvp_prefetch_end_to_mall_start_us, 1000000)) *
623 (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1),
624 (int64_t)phantom_timing->h_total);
625 pipe_data->pipe_config.subvp_data.processing_delay_lines =
626 div64_s64(((div64_s64((int64_t)dc->caps.subvp_fw_processing_delay_us, 1000000)) *
627 (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1),
628 (int64_t)phantom_timing->h_total);
629 // Find phantom pipe index based on phantom stream
630 for (j = 0; j < dc->res_pool->pipe_count; j++) {
631 struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j];
633 if (phantom_pipe->stream == subvp_pipe->stream->mall_stream_config.paired_stream) {
634 pipe_data->pipe_config.subvp_data.phantom_pipe_index = phantom_pipe->pipe_idx;
641 * ***************************************************************************************
642 * dc_dmub_setup_subvp_dmub_command: Populate the DMCUB SubVP command
644 * This function loops through each pipe and populates the DMUB
645 * SubVP CMD info based on the pipe (e.g. SubVP, VBLANK).
647 * @param [in] dc: current dc state
648 * @param [in] context: new dc state
649 * @param [in] cmd: DMUB cmd to be populated with SubVP info
653 * ***************************************************************************************
655 void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
656 struct dc_state *context,
659 uint8_t cmd_pipe_index = 0;
660 uint32_t i, pipe_idx;
661 uint8_t subvp_count = 0;
662 union dmub_rb_cmd cmd;
663 struct pipe_ctx *subvp_pipes[2];
664 uint32_t wm_val_refclk = 0;
666 memset(&cmd, 0, sizeof(cmd));
667 // FW command for SUBVP
668 cmd.fw_assisted_mclk_switch_v2.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
669 cmd.fw_assisted_mclk_switch_v2.header.sub_type = DMUB_CMD__HANDLE_SUBVP_CMD;
670 cmd.fw_assisted_mclk_switch_v2.header.payload_bytes =
671 sizeof(cmd.fw_assisted_mclk_switch_v2) - sizeof(cmd.fw_assisted_mclk_switch_v2.header);
673 for (i = 0; i < dc->res_pool->pipe_count; i++) {
674 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
679 if (pipe->plane_state && !pipe->top_pipe &&
680 pipe->stream->mall_stream_config.type == SUBVP_MAIN)
681 subvp_pipes[subvp_count++] = pipe;
685 // For each pipe that is a "main" SUBVP pipe, fill in pipe data for DMUB SUBVP cmd
686 for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
687 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
692 if (pipe->plane_state && pipe->stream->mall_stream_config.paired_stream &&
693 pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
694 populate_subvp_cmd_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
695 } else if (pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_NONE) {
696 // Don't need to check for ActiveDRAMClockChangeMargin < 0, not valid in cases where
697 // we run through DML without calculating "natural" P-state support
698 populate_subvp_cmd_vblank_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
703 if (subvp_count == 2) {
704 update_subvp_prefetch_end_to_mall_start(dc, context, &cmd, subvp_pipes);
706 cmd.fw_assisted_mclk_switch_v2.config_data.pstate_allow_width_us = dc->caps.subvp_pstate_allow_width_us;
707 cmd.fw_assisted_mclk_switch_v2.config_data.vertical_int_margin_us = dc->caps.subvp_vertical_int_margin_us;
709 // Store the original watermark value for this SubVP config so we can lower it when the
710 // MCLK switch starts
711 wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns *
712 dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000 / 1000;
714 cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
716 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
717 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
718 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
722 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data)
724 if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data)
726 return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub, diag_data);
729 void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
731 struct dmub_diagnostic_data diag_data = {0};
733 if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
734 DC_LOG_ERROR("%s: invalid parameters.", __func__);
738 if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) {
739 DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__);
745 " dmcub_version : %08x\n"
746 " scratch [0] : %08x\n"
747 " scratch [1] : %08x\n"
748 " scratch [2] : %08x\n"
749 " scratch [3] : %08x\n"
750 " scratch [4] : %08x\n"
751 " scratch [5] : %08x\n"
752 " scratch [6] : %08x\n"
753 " scratch [7] : %08x\n"
754 " scratch [8] : %08x\n"
755 " scratch [9] : %08x\n"
756 " scratch [10] : %08x\n"
757 " scratch [11] : %08x\n"
758 " scratch [12] : %08x\n"
759 " scratch [13] : %08x\n"
760 " scratch [14] : %08x\n"
761 " scratch [15] : %08x\n"
763 " unk_fault_addr : %08x\n"
764 " inst_fault_addr : %08x\n"
765 " data_fault_addr : %08x\n"
766 " inbox1_rptr : %08x\n"
767 " inbox1_wptr : %08x\n"
768 " inbox1_size : %08x\n"
769 " inbox0_rptr : %08x\n"
770 " inbox0_wptr : %08x\n"
771 " inbox0_size : %08x\n"
773 " is_soft_reset : %d\n"
774 " is_secure_reset : %d\n"
775 " is_traceport_en : %d\n"
778 diag_data.dmcub_version,
779 diag_data.scratch[0],
780 diag_data.scratch[1],
781 diag_data.scratch[2],
782 diag_data.scratch[3],
783 diag_data.scratch[4],
784 diag_data.scratch[5],
785 diag_data.scratch[6],
786 diag_data.scratch[7],
787 diag_data.scratch[8],
788 diag_data.scratch[9],
789 diag_data.scratch[10],
790 diag_data.scratch[11],
791 diag_data.scratch[12],
792 diag_data.scratch[13],
793 diag_data.scratch[14],
794 diag_data.scratch[15],
796 diag_data.undefined_address_fault_addr,
797 diag_data.inst_fetch_fault_addr,
798 diag_data.data_write_fault_addr,
799 diag_data.inbox1_rptr,
800 diag_data.inbox1_wptr,
801 diag_data.inbox1_size,
802 diag_data.inbox0_rptr,
803 diag_data.inbox0_wptr,
804 diag_data.inbox0_size,
805 diag_data.is_dmcub_enabled,
806 diag_data.is_dmcub_soft_reset,
807 diag_data.is_dmcub_secure_reset,
808 diag_data.is_traceport_en,
809 diag_data.is_cw0_enabled,
810 diag_data.is_cw6_enabled);