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 "dc.h"
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"
32 #include "../basics/conversion.h"
33 #include "cursor_reg_cache.h"
34 
35 #define CTX dc_dmub_srv->ctx
36 #define DC_LOGGER CTX->logger
37 
38 static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
39 				  struct dmub_srv *dmub)
40 {
41 	dc_srv->dmub = dmub;
42 	dc_srv->ctx = dc->ctx;
43 }
44 
45 struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub)
46 {
47 	struct dc_dmub_srv *dc_srv =
48 		kzalloc(sizeof(struct dc_dmub_srv), GFP_KERNEL);
49 
50 	if (dc_srv == NULL) {
51 		BREAK_TO_DEBUGGER();
52 		return NULL;
53 	}
54 
55 	dc_dmub_srv_construct(dc_srv, dc, dmub);
56 
57 	return dc_srv;
58 }
59 
60 void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
61 {
62 	if (*dmub_srv) {
63 		kfree(*dmub_srv);
64 		*dmub_srv = NULL;
65 	}
66 }
67 
68 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
69 			   union dmub_rb_cmd *cmd)
70 {
71 	struct dmub_srv *dmub = dc_dmub_srv->dmub;
72 	struct dc_context *dc_ctx = dc_dmub_srv->ctx;
73 	enum dmub_status status;
74 
75 	status = dmub_srv_cmd_queue(dmub, cmd);
76 	if (status == DMUB_STATUS_OK)
77 		return;
78 
79 	if (status != DMUB_STATUS_QUEUE_FULL)
80 		goto error;
81 
82 	/* Execute and wait for queue to become empty again. */
83 	dc_dmub_srv_cmd_execute(dc_dmub_srv);
84 	dc_dmub_srv_wait_idle(dc_dmub_srv);
85 
86 	/* Requeue the command. */
87 	status = dmub_srv_cmd_queue(dmub, cmd);
88 	if (status == DMUB_STATUS_OK)
89 		return;
90 
91 error:
92 	DC_ERROR("Error queuing DMUB command: status=%d\n", status);
93 	dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
94 }
95 
96 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv)
97 {
98 	struct dmub_srv *dmub = dc_dmub_srv->dmub;
99 	struct dc_context *dc_ctx = dc_dmub_srv->ctx;
100 	enum dmub_status status;
101 
102 	status = dmub_srv_cmd_execute(dmub);
103 	if (status != DMUB_STATUS_OK) {
104 		DC_ERROR("Error starting DMUB execution: status=%d\n", status);
105 		dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
106 	}
107 }
108 
109 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv)
110 {
111 	struct dmub_srv *dmub = dc_dmub_srv->dmub;
112 	struct dc_context *dc_ctx = dc_dmub_srv->ctx;
113 	enum dmub_status status;
114 
115 	status = dmub_srv_wait_for_idle(dmub, 100000);
116 	if (status != DMUB_STATUS_OK) {
117 		DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
118 		dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
119 	}
120 }
121 
122 void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dmub_srv)
123 {
124 	struct dmub_srv *dmub = dmub_srv->dmub;
125 	struct dc_context *dc_ctx = dmub_srv->ctx;
126 	enum dmub_status status = DMUB_STATUS_OK;
127 
128 	status = dmub_srv_clear_inbox0_ack(dmub);
129 	if (status != DMUB_STATUS_OK) {
130 		DC_ERROR("Error clearing INBOX0 ack: status=%d\n", status);
131 		dc_dmub_srv_log_diagnostic_data(dmub_srv);
132 	}
133 }
134 
135 void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dmub_srv)
136 {
137 	struct dmub_srv *dmub = dmub_srv->dmub;
138 	struct dc_context *dc_ctx = dmub_srv->ctx;
139 	enum dmub_status status = DMUB_STATUS_OK;
140 
141 	status = dmub_srv_wait_for_inbox0_ack(dmub, 100000);
142 	if (status != DMUB_STATUS_OK) {
143 		DC_ERROR("Error waiting for INBOX0 HW Lock Ack\n");
144 		dc_dmub_srv_log_diagnostic_data(dmub_srv);
145 	}
146 }
147 
148 void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
149 		union dmub_inbox0_data_register data)
150 {
151 	struct dmub_srv *dmub = dmub_srv->dmub;
152 	struct dc_context *dc_ctx = dmub_srv->ctx;
153 	enum dmub_status status = DMUB_STATUS_OK;
154 
155 	status = dmub_srv_send_inbox0_cmd(dmub, data);
156 	if (status != DMUB_STATUS_OK) {
157 		DC_ERROR("Error sending INBOX0 cmd\n");
158 		dc_dmub_srv_log_diagnostic_data(dmub_srv);
159 	}
160 }
161 
162 bool dc_dmub_srv_cmd_with_reply_data(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd)
163 {
164 	struct dmub_srv *dmub;
165 	enum dmub_status status;
166 
167 	if (!dc_dmub_srv || !dc_dmub_srv->dmub)
168 		return false;
169 
170 	dmub = dc_dmub_srv->dmub;
171 
172 	status = dmub_srv_cmd_with_reply_data(dmub, cmd);
173 	if (status != DMUB_STATUS_OK) {
174 		DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
175 		return false;
176 	}
177 
178 	return true;
179 }
180 
181 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv)
182 {
183 	struct dmub_srv *dmub = dc_dmub_srv->dmub;
184 	struct dc_context *dc_ctx = dc_dmub_srv->ctx;
185 	enum dmub_status status;
186 
187 	for (;;) {
188 		/* Wait up to a second for PHY init. */
189 		status = dmub_srv_wait_for_phy_init(dmub, 1000000);
190 		if (status == DMUB_STATUS_OK)
191 			/* Initialization OK */
192 			break;
193 
194 		DC_ERROR("DMCUB PHY init failed: status=%d\n", status);
195 		ASSERT(0);
196 
197 		if (status != DMUB_STATUS_TIMEOUT)
198 			/*
199 			 * Server likely initialized or we don't have
200 			 * DMCUB HW support - this won't end.
201 			 */
202 			break;
203 
204 		/* Continue spinning so we don't hang the ASIC. */
205 	}
206 }
207 
208 bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
209 				    unsigned int stream_mask)
210 {
211 	struct dmub_srv *dmub;
212 	const uint32_t timeout = 30;
213 
214 	if (!dc_dmub_srv || !dc_dmub_srv->dmub)
215 		return false;
216 
217 	dmub = dc_dmub_srv->dmub;
218 
219 	return dmub_srv_send_gpint_command(
220 		       dmub, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK,
221 		       stream_mask, timeout) == DMUB_STATUS_OK;
222 }
223 
224 bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv)
225 {
226 	struct dmub_srv *dmub;
227 	struct dc_context *dc_ctx;
228 	union dmub_fw_boot_status boot_status;
229 	enum dmub_status status;
230 
231 	if (!dc_dmub_srv || !dc_dmub_srv->dmub)
232 		return false;
233 
234 	dmub = dc_dmub_srv->dmub;
235 	dc_ctx = dc_dmub_srv->ctx;
236 
237 	status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
238 	if (status != DMUB_STATUS_OK) {
239 		DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
240 		return false;
241 	}
242 
243 	return boot_status.bits.restore_required;
244 }
245 
246 bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry)
247 {
248 	struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
249 	return dmub_srv_get_outbox0_msg(dmub, entry);
250 }
251 
252 void dc_dmub_trace_event_control(struct dc *dc, bool enable)
253 {
254 	dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
255 }
256 
257 void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max)
258 {
259 	union dmub_rb_cmd cmd = { 0 };
260 
261 	cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
262 	cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_DRR_UPDATE;
263 	cmd.drr_update.dmub_optc_state_req.v_total_max = vtotal_max;
264 	cmd.drr_update.dmub_optc_state_req.v_total_min = vtotal_min;
265 	cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
266 
267 	cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
268 
269 	// Send the command to the DMCUB.
270 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
271 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
272 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
273 }
274 
275 void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst)
276 {
277 	union dmub_rb_cmd cmd = { 0 };
278 
279 	cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
280 	cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_SET_MANUAL_TRIGGER;
281 	cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
282 
283 	cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
284 
285 	// Send the command to the DMCUB.
286 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
287 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
288 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
289 }
290 
291 static uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
292 {
293 	uint8_t pipes = 0;
294 	int i = 0;
295 
296 	for (i = 0; i < MAX_PIPES; i++) {
297 		struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
298 
299 		if (pipe->stream == stream && pipe->stream_res.tg)
300 			pipes = i;
301 	}
302 	return pipes;
303 }
304 
305 static void dc_dmub_srv_populate_fams_pipe_info(struct dc *dc, struct dc_state *context,
306 		struct pipe_ctx *head_pipe,
307 		struct dmub_cmd_fw_assisted_mclk_switch_pipe_data *fams_pipe_data)
308 {
309 	int j;
310 	int pipe_idx = 0;
311 
312 	fams_pipe_data->pipe_index[pipe_idx++] = head_pipe->plane_res.hubp->inst;
313 	for (j = 0; j < dc->res_pool->pipe_count; j++) {
314 		struct pipe_ctx *split_pipe = &context->res_ctx.pipe_ctx[j];
315 
316 		if (split_pipe->stream == head_pipe->stream && (split_pipe->top_pipe || split_pipe->prev_odm_pipe)) {
317 			fams_pipe_data->pipe_index[pipe_idx++] = split_pipe->plane_res.hubp->inst;
318 		}
319 	}
320 	fams_pipe_data->pipe_count = pipe_idx;
321 }
322 
323 bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool should_manage_pstate, struct dc_state *context)
324 {
325 	union dmub_rb_cmd cmd = { 0 };
326 	struct dmub_cmd_fw_assisted_mclk_switch_config *config_data = &cmd.fw_assisted_mclk_switch.config_data;
327 	int i = 0, k = 0;
328 	int ramp_up_num_steps = 1; // TODO: Ramp is currently disabled. Reenable it.
329 	uint8_t visual_confirm_enabled;
330 	int pipe_idx = 0;
331 
332 	if (dc == NULL)
333 		return false;
334 
335 	visual_confirm_enabled = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS;
336 
337 	// Format command.
338 	cmd.fw_assisted_mclk_switch.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
339 	cmd.fw_assisted_mclk_switch.header.sub_type = DMUB_CMD__FAMS_SETUP_FW_CTRL;
340 	cmd.fw_assisted_mclk_switch.config_data.fams_enabled = should_manage_pstate;
341 	cmd.fw_assisted_mclk_switch.config_data.visual_confirm_enabled = visual_confirm_enabled;
342 
343 	if (should_manage_pstate) {
344 		for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
345 			struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
346 
347 			if (!pipe->stream)
348 				continue;
349 
350 			/* If FAMS is being used to support P-State and there is a stream
351 			 * that does not use FAMS, we are in an FPO + VActive scenario.
352 			 * Assign vactive stretch margin in this case.
353 			 */
354 			if (!pipe->stream->fpo_in_use) {
355 				cmd.fw_assisted_mclk_switch.config_data.vactive_stretch_margin_us = dc->debug.fpo_vactive_margin_us;
356 				break;
357 			}
358 			pipe_idx++;
359 		}
360 	}
361 
362 	for (i = 0, k = 0; context && i < dc->res_pool->pipe_count; i++) {
363 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
364 
365 		if (!pipe->top_pipe && !pipe->prev_odm_pipe && pipe->stream && pipe->stream->fpo_in_use) {
366 			struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
367 			uint8_t min_refresh_in_hz = (pipe->stream->timing.min_refresh_in_uhz + 999999) / 1000000;
368 
369 			config_data->pipe_data[k].pix_clk_100hz = pipe->stream->timing.pix_clk_100hz;
370 			config_data->pipe_data[k].min_refresh_in_hz = min_refresh_in_hz;
371 			config_data->pipe_data[k].max_ramp_step = ramp_up_num_steps;
372 			config_data->pipe_data[k].pipes = dc_dmub_srv_get_pipes_for_stream(dc, pipe->stream);
373 			dc_dmub_srv_populate_fams_pipe_info(dc, context, pipe, &config_data->pipe_data[k]);
374 			k++;
375 		}
376 	}
377 	cmd.fw_assisted_mclk_switch.header.payload_bytes =
378 		sizeof(cmd.fw_assisted_mclk_switch) - sizeof(cmd.fw_assisted_mclk_switch.header);
379 
380 	// Send the command to the DMCUB.
381 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
382 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
383 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
384 
385 	return true;
386 }
387 
388 void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub)
389 {
390 	union dmub_rb_cmd cmd = { 0 };
391 	enum dmub_status status;
392 
393 	if (!dmub) {
394 		return;
395 	}
396 
397 	memset(&cmd, 0, sizeof(cmd));
398 
399 	/* Prepare fw command */
400 	cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS;
401 	cmd.query_feature_caps.header.sub_type = 0;
402 	cmd.query_feature_caps.header.ret_status = 1;
403 	cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data);
404 
405 	/* Send command to fw */
406 	status = dmub_srv_cmd_with_reply_data(dmub, &cmd);
407 
408 	ASSERT(status == DMUB_STATUS_OK);
409 
410 	/* If command was processed, copy feature caps to dmub srv */
411 	if (status == DMUB_STATUS_OK &&
412 	    cmd.query_feature_caps.header.ret_status == 0) {
413 		memcpy(&dmub->feature_caps,
414 		       &cmd.query_feature_caps.query_feature_caps_data,
415 		       sizeof(struct dmub_feature_caps));
416 	}
417 }
418 
419 void dc_dmub_srv_get_visual_confirm_color_cmd(struct dc *dc, struct pipe_ctx *pipe_ctx)
420 {
421 	union dmub_rb_cmd cmd = { 0 };
422 	enum dmub_status status;
423 	unsigned int panel_inst = 0;
424 
425 	dc_get_edp_link_panel_inst(dc, pipe_ctx->stream->link, &panel_inst);
426 
427 	memset(&cmd, 0, sizeof(cmd));
428 
429 	// Prepare fw command
430 	cmd.visual_confirm_color.header.type = DMUB_CMD__GET_VISUAL_CONFIRM_COLOR;
431 	cmd.visual_confirm_color.header.sub_type = 0;
432 	cmd.visual_confirm_color.header.ret_status = 1;
433 	cmd.visual_confirm_color.header.payload_bytes = sizeof(struct dmub_cmd_visual_confirm_color_data);
434 	cmd.visual_confirm_color.visual_confirm_color_data.visual_confirm_color.panel_inst = panel_inst;
435 
436 	// Send command to fw
437 	status = dmub_srv_cmd_with_reply_data(dc->ctx->dmub_srv->dmub, &cmd);
438 
439 	ASSERT(status == DMUB_STATUS_OK);
440 
441 	// If command was processed, copy feature caps to dmub srv
442 	if (status == DMUB_STATUS_OK &&
443 		cmd.visual_confirm_color.header.ret_status == 0) {
444 		memcpy(&dc->ctx->dmub_srv->dmub->visual_confirm_color,
445 			&cmd.visual_confirm_color.visual_confirm_color_data,
446 			sizeof(struct dmub_visual_confirm_color));
447 	}
448 }
449 
450 /**
451  * populate_subvp_cmd_drr_info - Helper to populate DRR pipe info for the DMCUB subvp command
452  *
453  * @dc: [in] current dc state
454  * @subvp_pipe: [in] pipe_ctx for the SubVP pipe
455  * @vblank_pipe: [in] pipe_ctx for the DRR pipe
456  * @pipe_data: [in] Pipe data which stores the VBLANK/DRR info
457  *
458  * Populate the DMCUB SubVP command with DRR pipe info. All the information
459  * required for calculating the SubVP + DRR microschedule is populated here.
460  *
461  * High level algorithm:
462  * 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe
463  * 2. Calculate the min and max vtotal which supports SubVP + DRR microschedule
464  * 3. Populate the drr_info with the min and max supported vtotal values
465  */
466 static void populate_subvp_cmd_drr_info(struct dc *dc,
467 		struct pipe_ctx *subvp_pipe,
468 		struct pipe_ctx *vblank_pipe,
469 		struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data)
470 {
471 	struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
472 	struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
473 	struct dc_crtc_timing *drr_timing = &vblank_pipe->stream->timing;
474 	uint16_t drr_frame_us = 0;
475 	uint16_t min_drr_supported_us = 0;
476 	uint16_t max_drr_supported_us = 0;
477 	uint16_t max_drr_vblank_us = 0;
478 	uint16_t max_drr_mallregion_us = 0;
479 	uint16_t mall_region_us = 0;
480 	uint16_t prefetch_us = 0;
481 	uint16_t subvp_active_us = 0;
482 	uint16_t drr_active_us = 0;
483 	uint16_t min_vtotal_supported = 0;
484 	uint16_t max_vtotal_supported = 0;
485 
486 	pipe_data->pipe_config.vblank_data.drr_info.drr_in_use = true;
487 	pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping
488 	pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now
489 
490 	drr_frame_us = div64_u64(((uint64_t)drr_timing->v_total * drr_timing->h_total * 1000000),
491 			(((uint64_t)drr_timing->pix_clk_100hz * 100)));
492 	// P-State allow width and FW delays already included phantom_timing->v_addressable
493 	mall_region_us = div64_u64(((uint64_t)phantom_timing->v_addressable * phantom_timing->h_total * 1000000),
494 			(((uint64_t)phantom_timing->pix_clk_100hz * 100)));
495 	min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
496 	min_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * min_drr_supported_us),
497 			(((uint64_t)drr_timing->h_total * 1000000)));
498 
499 	prefetch_us = div64_u64(((uint64_t)(phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total * 1000000),
500 			(((uint64_t)phantom_timing->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
501 	subvp_active_us = div64_u64(((uint64_t)main_timing->v_addressable * main_timing->h_total * 1000000),
502 			(((uint64_t)main_timing->pix_clk_100hz * 100)));
503 	drr_active_us = div64_u64(((uint64_t)drr_timing->v_addressable * drr_timing->h_total * 1000000),
504 			(((uint64_t)drr_timing->pix_clk_100hz * 100)));
505 	max_drr_vblank_us = div64_u64((subvp_active_us - prefetch_us -
506 			dc->caps.subvp_fw_processing_delay_us - drr_active_us), 2) + drr_active_us;
507 	max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us - dc->caps.subvp_fw_processing_delay_us;
508 	max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us;
509 	max_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * max_drr_supported_us),
510 			(((uint64_t)drr_timing->h_total * 1000000)));
511 
512 	/* When calculating the max vtotal supported for SubVP + DRR cases, add
513 	 * margin due to possible rounding errors (being off by 1 line in the
514 	 * FW calculation can incorrectly push the P-State switch to wait 1 frame
515 	 * longer).
516 	 */
517 	max_vtotal_supported = max_vtotal_supported - dc->caps.subvp_drr_max_vblank_margin_us;
518 
519 	pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported;
520 	pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported;
521 	pipe_data->pipe_config.vblank_data.drr_info.drr_vblank_start_margin = dc->caps.subvp_drr_vblank_start_margin_us;
522 }
523 
524 /**
525  * populate_subvp_cmd_vblank_pipe_info - Helper to populate VBLANK pipe info for the DMUB subvp command
526  *
527  * @dc: [in] current dc state
528  * @context: [in] new dc state
529  * @cmd: [in] DMUB cmd to be populated with SubVP info
530  * @vblank_pipe: [in] pipe_ctx for the VBLANK pipe
531  * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
532  *
533  * Populate the DMCUB SubVP command with VBLANK pipe info. All the information
534  * required to calculate the microschedule for SubVP + VBLANK case is stored in
535  * the pipe_data (subvp_data and vblank_data).  Also check if the VBLANK pipe
536  * is a DRR display -- if it is make a call to populate drr_info.
537  */
538 static void populate_subvp_cmd_vblank_pipe_info(struct dc *dc,
539 		struct dc_state *context,
540 		union dmub_rb_cmd *cmd,
541 		struct pipe_ctx *vblank_pipe,
542 		uint8_t cmd_pipe_index)
543 {
544 	uint32_t i;
545 	struct pipe_ctx *pipe = NULL;
546 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
547 			&cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
548 
549 	// Find the SubVP pipe
550 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
551 		pipe = &context->res_ctx.pipe_ctx[i];
552 
553 		// We check for master pipe, but it shouldn't matter since we only need
554 		// the pipe for timing info (stream should be same for any pipe splits)
555 		if (!pipe->stream || !pipe->plane_state || pipe->top_pipe || pipe->prev_odm_pipe)
556 			continue;
557 
558 		// Find the SubVP pipe
559 		if (pipe->stream->mall_stream_config.type == SUBVP_MAIN)
560 			break;
561 	}
562 
563 	pipe_data->mode = VBLANK;
564 	pipe_data->pipe_config.vblank_data.pix_clk_100hz = vblank_pipe->stream->timing.pix_clk_100hz;
565 	pipe_data->pipe_config.vblank_data.vblank_start = vblank_pipe->stream->timing.v_total -
566 							vblank_pipe->stream->timing.v_front_porch;
567 	pipe_data->pipe_config.vblank_data.vtotal = vblank_pipe->stream->timing.v_total;
568 	pipe_data->pipe_config.vblank_data.htotal = vblank_pipe->stream->timing.h_total;
569 	pipe_data->pipe_config.vblank_data.vblank_pipe_index = vblank_pipe->pipe_idx;
570 	pipe_data->pipe_config.vblank_data.vstartup_start = vblank_pipe->pipe_dlg_param.vstartup_start;
571 	pipe_data->pipe_config.vblank_data.vblank_end =
572 			vblank_pipe->stream->timing.v_total - vblank_pipe->stream->timing.v_front_porch - vblank_pipe->stream->timing.v_addressable;
573 
574 	if (vblank_pipe->stream->ignore_msa_timing_param)
575 		populate_subvp_cmd_drr_info(dc, pipe, vblank_pipe, pipe_data);
576 }
577 
578 /**
579  * update_subvp_prefetch_end_to_mall_start - Helper for SubVP + SubVP case
580  *
581  * @dc: [in] current dc state
582  * @context: [in] new dc state
583  * @cmd: [in] DMUB cmd to be populated with SubVP info
584  * @subvp_pipes: [in] Array of SubVP pipes (should always be length 2)
585  *
586  * For SubVP + SubVP, we use a single vertical interrupt to start the
587  * microschedule for both SubVP pipes. In order for this to work correctly, the
588  * MALL REGION of both SubVP pipes must start at the same time. This function
589  * lengthens the prefetch end to mall start delay of the SubVP pipe that has
590  * the shorter prefetch so that both MALL REGION's will start at the same time.
591  */
592 static void update_subvp_prefetch_end_to_mall_start(struct dc *dc,
593 		struct dc_state *context,
594 		union dmub_rb_cmd *cmd,
595 		struct pipe_ctx *subvp_pipes[])
596 {
597 	uint32_t subvp0_prefetch_us = 0;
598 	uint32_t subvp1_prefetch_us = 0;
599 	uint32_t prefetch_delta_us = 0;
600 	struct dc_crtc_timing *phantom_timing0 = &subvp_pipes[0]->stream->mall_stream_config.paired_stream->timing;
601 	struct dc_crtc_timing *phantom_timing1 = &subvp_pipes[1]->stream->mall_stream_config.paired_stream->timing;
602 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL;
603 
604 	subvp0_prefetch_us = div64_u64(((uint64_t)(phantom_timing0->v_total - phantom_timing0->v_front_porch) *
605 			(uint64_t)phantom_timing0->h_total * 1000000),
606 			(((uint64_t)phantom_timing0->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
607 	subvp1_prefetch_us = div64_u64(((uint64_t)(phantom_timing1->v_total - phantom_timing1->v_front_porch) *
608 			(uint64_t)phantom_timing1->h_total * 1000000),
609 			(((uint64_t)phantom_timing1->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
610 
611 	// Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time)
612 	// should increase it's prefetch time to match the other
613 	if (subvp0_prefetch_us > subvp1_prefetch_us) {
614 		pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1];
615 		prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us;
616 		pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
617 				div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
618 					((uint64_t)phantom_timing1->pix_clk_100hz * 100) + ((uint64_t)phantom_timing1->h_total * 1000000 - 1)),
619 					((uint64_t)phantom_timing1->h_total * 1000000));
620 
621 	} else if (subvp1_prefetch_us >  subvp0_prefetch_us) {
622 		pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0];
623 		prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us;
624 		pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
625 				div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
626 					((uint64_t)phantom_timing0->pix_clk_100hz * 100) + ((uint64_t)phantom_timing0->h_total * 1000000 - 1)),
627 					((uint64_t)phantom_timing0->h_total * 1000000));
628 	}
629 }
630 
631 /**
632  * populate_subvp_cmd_pipe_info - Helper to populate the SubVP pipe info for the DMUB subvp command
633  *
634  * @dc: [in] current dc state
635  * @context: [in] new dc state
636  * @cmd: [in] DMUB cmd to be populated with SubVP info
637  * @subvp_pipe: [in] pipe_ctx for the SubVP pipe
638  * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
639  *
640  * Populate the DMCUB SubVP command with SubVP pipe info. All the information
641  * required to calculate the microschedule for the SubVP pipe is stored in the
642  * pipe_data of the DMCUB SubVP command.
643  */
644 static void populate_subvp_cmd_pipe_info(struct dc *dc,
645 		struct dc_state *context,
646 		union dmub_rb_cmd *cmd,
647 		struct pipe_ctx *subvp_pipe,
648 		uint8_t cmd_pipe_index)
649 {
650 	uint32_t j;
651 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
652 			&cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
653 	struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
654 	struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
655 	uint32_t out_num_stream, out_den_stream, out_num_plane, out_den_plane, out_num, out_den;
656 
657 	pipe_data->mode = SUBVP;
658 	pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz;
659 	pipe_data->pipe_config.subvp_data.htotal = subvp_pipe->stream->timing.h_total;
660 	pipe_data->pipe_config.subvp_data.vtotal = subvp_pipe->stream->timing.v_total;
661 	pipe_data->pipe_config.subvp_data.main_vblank_start =
662 			main_timing->v_total - main_timing->v_front_porch;
663 	pipe_data->pipe_config.subvp_data.main_vblank_end =
664 			main_timing->v_total - main_timing->v_front_porch - main_timing->v_addressable;
665 	pipe_data->pipe_config.subvp_data.mall_region_lines = phantom_timing->v_addressable;
666 	pipe_data->pipe_config.subvp_data.main_pipe_index = subvp_pipe->stream_res.tg->inst;
667 	pipe_data->pipe_config.subvp_data.is_drr = subvp_pipe->stream->ignore_msa_timing_param;
668 
669 	/* Calculate the scaling factor from the src and dst height.
670 	 * e.g. If 3840x2160 being downscaled to 1920x1080, the scaling factor is 1/2.
671 	 * Reduce the fraction 1080/2160 = 1/2 for the "scaling factor"
672 	 *
673 	 * Make sure to combine stream and plane scaling together.
674 	 */
675 	reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height,
676 			&out_num_stream, &out_den_stream);
677 	reduce_fraction(subvp_pipe->plane_state->src_rect.height, subvp_pipe->plane_state->dst_rect.height,
678 			&out_num_plane, &out_den_plane);
679 	reduce_fraction(out_num_stream * out_num_plane, out_den_stream * out_den_plane, &out_num, &out_den);
680 	pipe_data->pipe_config.subvp_data.scale_factor_numerator = out_num;
681 	pipe_data->pipe_config.subvp_data.scale_factor_denominator = out_den;
682 
683 	// Prefetch lines is equal to VACTIVE + BP + VSYNC
684 	pipe_data->pipe_config.subvp_data.prefetch_lines =
685 			phantom_timing->v_total - phantom_timing->v_front_porch;
686 
687 	// Round up
688 	pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
689 			div64_u64(((uint64_t)dc->caps.subvp_prefetch_end_to_mall_start_us * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
690 					((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));
691 	pipe_data->pipe_config.subvp_data.processing_delay_lines =
692 			div64_u64(((uint64_t)(dc->caps.subvp_fw_processing_delay_us) * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
693 					((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));
694 
695 	if (subvp_pipe->bottom_pipe) {
696 		pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->bottom_pipe->pipe_idx;
697 	} else if (subvp_pipe->next_odm_pipe) {
698 		pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->next_odm_pipe->pipe_idx;
699 	} else {
700 		pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0;
701 	}
702 
703 	// Find phantom pipe index based on phantom stream
704 	for (j = 0; j < dc->res_pool->pipe_count; j++) {
705 		struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j];
706 
707 		if (phantom_pipe->stream == subvp_pipe->stream->mall_stream_config.paired_stream) {
708 			pipe_data->pipe_config.subvp_data.phantom_pipe_index = phantom_pipe->stream_res.tg->inst;
709 			if (phantom_pipe->bottom_pipe) {
710 				pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->bottom_pipe->plane_res.hubp->inst;
711 			} else if (phantom_pipe->next_odm_pipe) {
712 				pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->next_odm_pipe->plane_res.hubp->inst;
713 			} else {
714 				pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0;
715 			}
716 			break;
717 		}
718 	}
719 }
720 
721 /**
722  * dc_dmub_setup_subvp_dmub_command - Populate the DMCUB SubVP command
723  *
724  * @dc: [in] current dc state
725  * @context: [in] new dc state
726  * @enable: [in] if true enables the pipes population
727  *
728  * This function loops through each pipe and populates the DMUB SubVP CMD info
729  * based on the pipe (e.g. SubVP, VBLANK).
730  */
731 void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
732 		struct dc_state *context,
733 		bool enable)
734 {
735 	uint8_t cmd_pipe_index = 0;
736 	uint32_t i, pipe_idx;
737 	uint8_t subvp_count = 0;
738 	union dmub_rb_cmd cmd;
739 	struct pipe_ctx *subvp_pipes[2];
740 	uint32_t wm_val_refclk = 0;
741 
742 	memset(&cmd, 0, sizeof(cmd));
743 	// FW command for SUBVP
744 	cmd.fw_assisted_mclk_switch_v2.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
745 	cmd.fw_assisted_mclk_switch_v2.header.sub_type = DMUB_CMD__HANDLE_SUBVP_CMD;
746 	cmd.fw_assisted_mclk_switch_v2.header.payload_bytes =
747 			sizeof(cmd.fw_assisted_mclk_switch_v2) - sizeof(cmd.fw_assisted_mclk_switch_v2.header);
748 
749 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
750 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
751 
752 		if (!pipe->stream)
753 			continue;
754 
755 		/* For SubVP pipe count, only count the top most (ODM / MPC) pipe
756 		 */
757 		if (pipe->plane_state && !pipe->top_pipe && !pipe->prev_odm_pipe &&
758 				pipe->stream->mall_stream_config.type == SUBVP_MAIN)
759 			subvp_pipes[subvp_count++] = pipe;
760 	}
761 
762 	if (enable) {
763 		// For each pipe that is a "main" SUBVP pipe, fill in pipe data for DMUB SUBVP cmd
764 		for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
765 			struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
766 
767 			if (!pipe->stream)
768 				continue;
769 
770 			/* When populating subvp cmd info, only pass in the top most (ODM / MPC) pipe.
771 			 * Any ODM or MPC splits being used in SubVP will be handled internally in
772 			 * populate_subvp_cmd_pipe_info
773 			 */
774 			if (pipe->plane_state && pipe->stream->mall_stream_config.paired_stream &&
775 					!pipe->top_pipe && !pipe->prev_odm_pipe &&
776 					pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
777 				populate_subvp_cmd_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
778 			} else if (pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_NONE &&
779 				    !pipe->top_pipe && !pipe->prev_odm_pipe) {
780 				// Don't need to check for ActiveDRAMClockChangeMargin < 0, not valid in cases where
781 				// we run through DML without calculating "natural" P-state support
782 				populate_subvp_cmd_vblank_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
783 
784 			}
785 			pipe_idx++;
786 		}
787 		if (subvp_count == 2) {
788 			update_subvp_prefetch_end_to_mall_start(dc, context, &cmd, subvp_pipes);
789 		}
790 		cmd.fw_assisted_mclk_switch_v2.config_data.pstate_allow_width_us = dc->caps.subvp_pstate_allow_width_us;
791 		cmd.fw_assisted_mclk_switch_v2.config_data.vertical_int_margin_us = dc->caps.subvp_vertical_int_margin_us;
792 
793 		// Store the original watermark value for this SubVP config so we can lower it when the
794 		// MCLK switch starts
795 		wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns *
796 				(dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000) / 1000;
797 
798 		cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
799 	}
800 	dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
801 	dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
802 	dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
803 }
804 
805 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data)
806 {
807 	if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data)
808 		return false;
809 	return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub, diag_data);
810 }
811 
812 void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
813 {
814 	struct dmub_diagnostic_data diag_data = {0};
815 
816 	if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
817 		DC_LOG_ERROR("%s: invalid parameters.", __func__);
818 		return;
819 	}
820 
821 	if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) {
822 		DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__);
823 		return;
824 	}
825 
826 	DC_LOG_DEBUG(
827 		"DMCUB STATE\n"
828 		"    dmcub_version      : %08x\n"
829 		"    scratch  [0]       : %08x\n"
830 		"    scratch  [1]       : %08x\n"
831 		"    scratch  [2]       : %08x\n"
832 		"    scratch  [3]       : %08x\n"
833 		"    scratch  [4]       : %08x\n"
834 		"    scratch  [5]       : %08x\n"
835 		"    scratch  [6]       : %08x\n"
836 		"    scratch  [7]       : %08x\n"
837 		"    scratch  [8]       : %08x\n"
838 		"    scratch  [9]       : %08x\n"
839 		"    scratch [10]       : %08x\n"
840 		"    scratch [11]       : %08x\n"
841 		"    scratch [12]       : %08x\n"
842 		"    scratch [13]       : %08x\n"
843 		"    scratch [14]       : %08x\n"
844 		"    scratch [15]       : %08x\n"
845 		"    pc                 : %08x\n"
846 		"    unk_fault_addr     : %08x\n"
847 		"    inst_fault_addr    : %08x\n"
848 		"    data_fault_addr    : %08x\n"
849 		"    inbox1_rptr        : %08x\n"
850 		"    inbox1_wptr        : %08x\n"
851 		"    inbox1_size        : %08x\n"
852 		"    inbox0_rptr        : %08x\n"
853 		"    inbox0_wptr        : %08x\n"
854 		"    inbox0_size        : %08x\n"
855 		"    is_enabled         : %d\n"
856 		"    is_soft_reset      : %d\n"
857 		"    is_secure_reset    : %d\n"
858 		"    is_traceport_en    : %d\n"
859 		"    is_cw0_en          : %d\n"
860 		"    is_cw6_en          : %d\n",
861 		diag_data.dmcub_version,
862 		diag_data.scratch[0],
863 		diag_data.scratch[1],
864 		diag_data.scratch[2],
865 		diag_data.scratch[3],
866 		diag_data.scratch[4],
867 		diag_data.scratch[5],
868 		diag_data.scratch[6],
869 		diag_data.scratch[7],
870 		diag_data.scratch[8],
871 		diag_data.scratch[9],
872 		diag_data.scratch[10],
873 		diag_data.scratch[11],
874 		diag_data.scratch[12],
875 		diag_data.scratch[13],
876 		diag_data.scratch[14],
877 		diag_data.scratch[15],
878 		diag_data.pc,
879 		diag_data.undefined_address_fault_addr,
880 		diag_data.inst_fetch_fault_addr,
881 		diag_data.data_write_fault_addr,
882 		diag_data.inbox1_rptr,
883 		diag_data.inbox1_wptr,
884 		diag_data.inbox1_size,
885 		diag_data.inbox0_rptr,
886 		diag_data.inbox0_wptr,
887 		diag_data.inbox0_size,
888 		diag_data.is_dmcub_enabled,
889 		diag_data.is_dmcub_soft_reset,
890 		diag_data.is_dmcub_secure_reset,
891 		diag_data.is_traceport_en,
892 		diag_data.is_cw0_enabled,
893 		diag_data.is_cw6_enabled);
894 }
895 
896 static bool dc_can_pipe_disable_cursor(struct pipe_ctx *pipe_ctx)
897 {
898 	struct pipe_ctx *test_pipe, *split_pipe;
899 	const struct scaler_data *scl_data = &pipe_ctx->plane_res.scl_data;
900 	struct rect r1 = scl_data->recout, r2, r2_half;
901 	int r1_r = r1.x + r1.width, r1_b = r1.y + r1.height, r2_r, r2_b;
902 	int cur_layer = pipe_ctx->plane_state->layer_index;
903 
904 	/**
905 	 * Disable the cursor if there's another pipe above this with a
906 	 * plane that contains this pipe's viewport to prevent double cursor
907 	 * and incorrect scaling artifacts.
908 	 */
909 	for (test_pipe = pipe_ctx->top_pipe; test_pipe;
910 	     test_pipe = test_pipe->top_pipe) {
911 		// Skip invisible layer and pipe-split plane on same layer
912 		if (!test_pipe->plane_state->visible || test_pipe->plane_state->layer_index == cur_layer)
913 			continue;
914 
915 		r2 = test_pipe->plane_res.scl_data.recout;
916 		r2_r = r2.x + r2.width;
917 		r2_b = r2.y + r2.height;
918 		split_pipe = test_pipe;
919 
920 		/**
921 		 * There is another half plane on same layer because of
922 		 * pipe-split, merge together per same height.
923 		 */
924 		for (split_pipe = pipe_ctx->top_pipe; split_pipe;
925 		     split_pipe = split_pipe->top_pipe)
926 			if (split_pipe->plane_state->layer_index == test_pipe->plane_state->layer_index) {
927 				r2_half = split_pipe->plane_res.scl_data.recout;
928 				r2.x = (r2_half.x < r2.x) ? r2_half.x : r2.x;
929 				r2.width = r2.width + r2_half.width;
930 				r2_r = r2.x + r2.width;
931 				break;
932 			}
933 
934 		if (r1.x >= r2.x && r1.y >= r2.y && r1_r <= r2_r && r1_b <= r2_b)
935 			return true;
936 	}
937 
938 	return false;
939 }
940 
941 static bool dc_dmub_should_update_cursor_data(struct pipe_ctx *pipe_ctx)
942 {
943 	if (pipe_ctx->plane_state != NULL) {
944 		if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
945 			return false;
946 
947 		if (dc_can_pipe_disable_cursor(pipe_ctx))
948 			return false;
949 	}
950 
951 	if ((pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 ||
952 		pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) &&
953 		pipe_ctx->stream->ctx->dce_version >= DCN_VERSION_3_1)
954 		return true;
955 
956 	return false;
957 }
958 
959 static void dc_build_cursor_update_payload0(
960 		struct pipe_ctx *pipe_ctx, uint8_t p_idx,
961 		struct dmub_cmd_update_cursor_payload0 *payload)
962 {
963 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
964 	unsigned int panel_inst = 0;
965 
966 	if (!dc_get_edp_link_panel_inst(hubp->ctx->dc,
967 		pipe_ctx->stream->link, &panel_inst))
968 		return;
969 
970 	/* Payload: Cursor Rect is built from position & attribute
971 	 * x & y are obtained from postion
972 	 */
973 	payload->cursor_rect.x = hubp->cur_rect.x;
974 	payload->cursor_rect.y = hubp->cur_rect.y;
975 	/* w & h are obtained from attribute */
976 	payload->cursor_rect.width  = hubp->cur_rect.w;
977 	payload->cursor_rect.height = hubp->cur_rect.h;
978 
979 	payload->enable      = hubp->pos.cur_ctl.bits.cur_enable;
980 	payload->pipe_idx    = p_idx;
981 	payload->cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
982 	payload->panel_inst  = panel_inst;
983 }
984 
985 static void dc_send_cmd_to_dmu(struct dc_dmub_srv *dmub_srv,
986 		union dmub_rb_cmd *cmd)
987 {
988 	dc_dmub_srv_cmd_queue(dmub_srv, cmd);
989 	dc_dmub_srv_cmd_execute(dmub_srv);
990 	dc_dmub_srv_wait_idle(dmub_srv);
991 }
992 
993 static void dc_build_cursor_position_update_payload0(
994 		struct dmub_cmd_update_cursor_payload0 *pl, const uint8_t p_idx,
995 		const struct hubp *hubp, const struct dpp *dpp)
996 {
997 	/* Hubp */
998 	pl->position_cfg.pHubp.cur_ctl.raw  = hubp->pos.cur_ctl.raw;
999 	pl->position_cfg.pHubp.position.raw = hubp->pos.position.raw;
1000 	pl->position_cfg.pHubp.hot_spot.raw = hubp->pos.hot_spot.raw;
1001 	pl->position_cfg.pHubp.dst_offset.raw = hubp->pos.dst_offset.raw;
1002 
1003 	/* dpp */
1004 	pl->position_cfg.pDpp.cur0_ctl.raw = dpp->pos.cur0_ctl.raw;
1005 	pl->position_cfg.pipe_idx = p_idx;
1006 }
1007 
1008 static void dc_build_cursor_attribute_update_payload1(
1009 		struct dmub_cursor_attributes_cfg *pl_A, const uint8_t p_idx,
1010 		const struct hubp *hubp, const struct dpp *dpp)
1011 {
1012 	/* Hubp */
1013 	pl_A->aHubp.SURFACE_ADDR_HIGH = hubp->att.SURFACE_ADDR_HIGH;
1014 	pl_A->aHubp.SURFACE_ADDR = hubp->att.SURFACE_ADDR;
1015 	pl_A->aHubp.cur_ctl.raw  = hubp->att.cur_ctl.raw;
1016 	pl_A->aHubp.size.raw     = hubp->att.size.raw;
1017 	pl_A->aHubp.settings.raw = hubp->att.settings.raw;
1018 
1019 	/* dpp */
1020 	pl_A->aDpp.cur0_ctl.raw = dpp->att.cur0_ctl.raw;
1021 }
1022 
1023 /**
1024  * dc_send_update_cursor_info_to_dmu - Populate the DMCUB Cursor update info command
1025  *
1026  * @pCtx: [in] pipe context
1027  * @pipe_idx: [in] pipe index
1028  *
1029  * This function would store the cursor related information and pass it into
1030  * dmub
1031  */
1032 void dc_send_update_cursor_info_to_dmu(
1033 		struct pipe_ctx *pCtx, uint8_t pipe_idx)
1034 {
1035 	union dmub_rb_cmd cmd = { 0 };
1036 	union dmub_cmd_update_cursor_info_data *update_cursor_info =
1037 					&cmd.update_cursor_info.update_cursor_info_data;
1038 
1039 	if (!dc_dmub_should_update_cursor_data(pCtx))
1040 		return;
1041 	/*
1042 	 * Since we use multi_cmd_pending for dmub command, the 2nd command is
1043 	 * only assigned to store cursor attributes info.
1044 	 * 1st command can view as 2 parts, 1st is for PSR/Replay data, the other
1045 	 * is to store cursor position info.
1046 	 *
1047 	 * Command heaer type must be the same type if using  multi_cmd_pending.
1048 	 * Besides, while process 2nd command in DMU, the sub type is useless.
1049 	 * So it's meanless to pass the sub type header with different type.
1050 	 */
1051 
1052 	{
1053 		/* Build Payload#0 Header */
1054 		cmd.update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
1055 		cmd.update_cursor_info.header.payload_bytes =
1056 				sizeof(cmd.update_cursor_info.update_cursor_info_data);
1057 		cmd.update_cursor_info.header.multi_cmd_pending = 1; /* To combine multi dmu cmd, 1st cmd */
1058 
1059 		/* Prepare Payload */
1060 		dc_build_cursor_update_payload0(pCtx, pipe_idx, &update_cursor_info->payload0);
1061 
1062 		dc_build_cursor_position_update_payload0(&update_cursor_info->payload0, pipe_idx,
1063 				pCtx->plane_res.hubp, pCtx->plane_res.dpp);
1064 		/* Send update_curosr_info to queue */
1065 		dc_dmub_srv_cmd_queue(pCtx->stream->ctx->dmub_srv, &cmd);
1066 	}
1067 	{
1068 		/* Build Payload#1 Header */
1069 		memset(update_cursor_info, 0, sizeof(union dmub_cmd_update_cursor_info_data));
1070 		cmd.update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
1071 		cmd.update_cursor_info.header.payload_bytes = sizeof(struct cursor_attributes_cfg);
1072 		cmd.update_cursor_info.header.multi_cmd_pending = 0; /* Indicate it's the last command. */
1073 
1074 		dc_build_cursor_attribute_update_payload1(
1075 				&cmd.update_cursor_info.update_cursor_info_data.payload1.attribute_cfg,
1076 				pipe_idx, pCtx->plane_res.hubp, pCtx->plane_res.dpp);
1077 
1078 		/* Combine 2nd cmds update_curosr_info to DMU */
1079 		dc_send_cmd_to_dmu(pCtx->stream->ctx->dmub_srv, &cmd);
1080 	}
1081 }
1082