1 /*
2  * Copyright 2018 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 #include <linux/string.h>
25 #include <linux/acpi.h>
26 
27 #include <drm/drm_probe_helper.h>
28 #include <drm/amdgpu_drm.h>
29 #include "dm_services.h"
30 #include "amdgpu.h"
31 #include "amdgpu_dm.h"
32 #include "amdgpu_dm_irq.h"
33 #include "amdgpu_pm.h"
34 #include "dm_pp_smu.h"
35 #include "amdgpu_smu.h"
36 
37 
38 bool dm_pp_apply_display_requirements(
39 		const struct dc_context *ctx,
40 		const struct dm_pp_display_configuration *pp_display_cfg)
41 {
42 	struct amdgpu_device *adev = ctx->driver_context;
43 	struct smu_context *smu = &adev->smu;
44 	int i;
45 
46 	if (adev->pm.dpm_enabled) {
47 
48 		memset(&adev->pm.pm_display_cfg, 0,
49 				sizeof(adev->pm.pm_display_cfg));
50 
51 		adev->pm.pm_display_cfg.cpu_cc6_disable =
52 			pp_display_cfg->cpu_cc6_disable;
53 
54 		adev->pm.pm_display_cfg.cpu_pstate_disable =
55 			pp_display_cfg->cpu_pstate_disable;
56 
57 		adev->pm.pm_display_cfg.cpu_pstate_separation_time =
58 			pp_display_cfg->cpu_pstate_separation_time;
59 
60 		adev->pm.pm_display_cfg.nb_pstate_switch_disable =
61 			pp_display_cfg->nb_pstate_switch_disable;
62 
63 		adev->pm.pm_display_cfg.num_display =
64 				pp_display_cfg->display_count;
65 		adev->pm.pm_display_cfg.num_path_including_non_display =
66 				pp_display_cfg->display_count;
67 
68 		adev->pm.pm_display_cfg.min_core_set_clock =
69 				pp_display_cfg->min_engine_clock_khz/10;
70 		adev->pm.pm_display_cfg.min_core_set_clock_in_sr =
71 				pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
72 		adev->pm.pm_display_cfg.min_mem_set_clock =
73 				pp_display_cfg->min_memory_clock_khz/10;
74 
75 		adev->pm.pm_display_cfg.min_dcef_deep_sleep_set_clk =
76 				pp_display_cfg->min_engine_clock_deep_sleep_khz/10;
77 		adev->pm.pm_display_cfg.min_dcef_set_clk =
78 				pp_display_cfg->min_dcfclock_khz/10;
79 
80 		adev->pm.pm_display_cfg.multi_monitor_in_sync =
81 				pp_display_cfg->all_displays_in_sync;
82 		adev->pm.pm_display_cfg.min_vblank_time =
83 				pp_display_cfg->avail_mclk_switch_time_us;
84 
85 		adev->pm.pm_display_cfg.display_clk =
86 				pp_display_cfg->disp_clk_khz/10;
87 
88 		adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency =
89 				pp_display_cfg->avail_mclk_switch_time_in_disp_active_us;
90 
91 		adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index;
92 		adev->pm.pm_display_cfg.line_time_in_us =
93 				pp_display_cfg->line_time_in_us;
94 
95 		adev->pm.pm_display_cfg.vrefresh = pp_display_cfg->disp_configs[0].v_refresh;
96 		adev->pm.pm_display_cfg.crossfire_display_index = -1;
97 		adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
98 
99 		for (i = 0; i < pp_display_cfg->display_count; i++) {
100 			const struct dm_pp_single_disp_config *dc_cfg =
101 						&pp_display_cfg->disp_configs[i];
102 			adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1;
103 		}
104 
105 		if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->display_configuration_change)
106 			adev->powerplay.pp_funcs->display_configuration_change(
107 				adev->powerplay.pp_handle,
108 				&adev->pm.pm_display_cfg);
109 		else if (adev->smu.ppt_funcs)
110 			smu_display_configuration_change(smu,
111 							 &adev->pm.pm_display_cfg);
112 
113 		amdgpu_pm_compute_clocks(adev);
114 	}
115 
116 	return true;
117 }
118 
119 static void get_default_clock_levels(
120 		enum dm_pp_clock_type clk_type,
121 		struct dm_pp_clock_levels *clks)
122 {
123 	uint32_t disp_clks_in_khz[6] = {
124 			300000, 400000, 496560, 626090, 685720, 757900 };
125 	uint32_t sclks_in_khz[6] = {
126 			300000, 360000, 423530, 514290, 626090, 720000 };
127 	uint32_t mclks_in_khz[2] = { 333000, 800000 };
128 
129 	switch (clk_type) {
130 	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
131 		clks->num_levels = 6;
132 		memmove(clks->clocks_in_khz, disp_clks_in_khz,
133 				sizeof(disp_clks_in_khz));
134 		break;
135 	case DM_PP_CLOCK_TYPE_ENGINE_CLK:
136 		clks->num_levels = 6;
137 		memmove(clks->clocks_in_khz, sclks_in_khz,
138 				sizeof(sclks_in_khz));
139 		break;
140 	case DM_PP_CLOCK_TYPE_MEMORY_CLK:
141 		clks->num_levels = 2;
142 		memmove(clks->clocks_in_khz, mclks_in_khz,
143 				sizeof(mclks_in_khz));
144 		break;
145 	default:
146 		clks->num_levels = 0;
147 		break;
148 	}
149 }
150 
151 static enum smu_clk_type dc_to_smu_clock_type(
152 		enum dm_pp_clock_type dm_pp_clk_type)
153 {
154 	enum smu_clk_type smu_clk_type = SMU_CLK_COUNT;
155 
156 	switch (dm_pp_clk_type) {
157 	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
158 		smu_clk_type = SMU_DISPCLK;
159 		break;
160 	case DM_PP_CLOCK_TYPE_ENGINE_CLK:
161 		smu_clk_type = SMU_GFXCLK;
162 		break;
163 	case DM_PP_CLOCK_TYPE_MEMORY_CLK:
164 		smu_clk_type = SMU_MCLK;
165 		break;
166 	case DM_PP_CLOCK_TYPE_DCEFCLK:
167 		smu_clk_type = SMU_DCEFCLK;
168 		break;
169 	case DM_PP_CLOCK_TYPE_SOCCLK:
170 		smu_clk_type = SMU_SOCCLK;
171 		break;
172 	default:
173 		DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n",
174 			  dm_pp_clk_type);
175 		break;
176 	}
177 
178 	return smu_clk_type;
179 }
180 
181 static enum amd_pp_clock_type dc_to_pp_clock_type(
182 		enum dm_pp_clock_type dm_pp_clk_type)
183 {
184 	enum amd_pp_clock_type amd_pp_clk_type = 0;
185 
186 	switch (dm_pp_clk_type) {
187 	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
188 		amd_pp_clk_type = amd_pp_disp_clock;
189 		break;
190 	case DM_PP_CLOCK_TYPE_ENGINE_CLK:
191 		amd_pp_clk_type = amd_pp_sys_clock;
192 		break;
193 	case DM_PP_CLOCK_TYPE_MEMORY_CLK:
194 		amd_pp_clk_type = amd_pp_mem_clock;
195 		break;
196 	case DM_PP_CLOCK_TYPE_DCEFCLK:
197 		amd_pp_clk_type  = amd_pp_dcef_clock;
198 		break;
199 	case DM_PP_CLOCK_TYPE_DCFCLK:
200 		amd_pp_clk_type = amd_pp_dcf_clock;
201 		break;
202 	case DM_PP_CLOCK_TYPE_PIXELCLK:
203 		amd_pp_clk_type = amd_pp_pixel_clock;
204 		break;
205 	case DM_PP_CLOCK_TYPE_FCLK:
206 		amd_pp_clk_type = amd_pp_f_clock;
207 		break;
208 	case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
209 		amd_pp_clk_type = amd_pp_phy_clock;
210 		break;
211 	case DM_PP_CLOCK_TYPE_DPPCLK:
212 		amd_pp_clk_type = amd_pp_dpp_clock;
213 		break;
214 	default:
215 		DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n",
216 				dm_pp_clk_type);
217 		break;
218 	}
219 
220 	return amd_pp_clk_type;
221 }
222 
223 static enum dm_pp_clocks_state pp_to_dc_powerlevel_state(
224 			enum PP_DAL_POWERLEVEL max_clocks_state)
225 {
226 	switch (max_clocks_state) {
227 	case PP_DAL_POWERLEVEL_0:
228 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_0;
229 	case PP_DAL_POWERLEVEL_1:
230 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_1;
231 	case PP_DAL_POWERLEVEL_2:
232 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_2;
233 	case PP_DAL_POWERLEVEL_3:
234 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_3;
235 	case PP_DAL_POWERLEVEL_4:
236 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_4;
237 	case PP_DAL_POWERLEVEL_5:
238 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_5;
239 	case PP_DAL_POWERLEVEL_6:
240 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_6;
241 	case PP_DAL_POWERLEVEL_7:
242 		return DM_PP_CLOCKS_DPM_STATE_LEVEL_7;
243 	default:
244 		DRM_ERROR("DM_PPLIB: invalid powerlevel state: %d!\n",
245 				max_clocks_state);
246 		return DM_PP_CLOCKS_STATE_INVALID;
247 	}
248 }
249 
250 static void pp_to_dc_clock_levels(
251 		const struct amd_pp_clocks *pp_clks,
252 		struct dm_pp_clock_levels *dc_clks,
253 		enum dm_pp_clock_type dc_clk_type)
254 {
255 	uint32_t i;
256 
257 	if (pp_clks->count > DM_PP_MAX_CLOCK_LEVELS) {
258 		DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
259 				DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
260 				pp_clks->count,
261 				DM_PP_MAX_CLOCK_LEVELS);
262 
263 		dc_clks->num_levels = DM_PP_MAX_CLOCK_LEVELS;
264 	} else
265 		dc_clks->num_levels = pp_clks->count;
266 
267 	DRM_INFO("DM_PPLIB: values for %s clock\n",
268 			DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
269 
270 	for (i = 0; i < dc_clks->num_levels; i++) {
271 		DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]);
272 		dc_clks->clocks_in_khz[i] = pp_clks->clock[i];
273 	}
274 }
275 
276 static void pp_to_dc_clock_levels_with_latency(
277 		const struct pp_clock_levels_with_latency *pp_clks,
278 		struct dm_pp_clock_levels_with_latency *clk_level_info,
279 		enum dm_pp_clock_type dc_clk_type)
280 {
281 	uint32_t i;
282 
283 	if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) {
284 		DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
285 				DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
286 				pp_clks->num_levels,
287 				DM_PP_MAX_CLOCK_LEVELS);
288 
289 		clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS;
290 	} else
291 		clk_level_info->num_levels = pp_clks->num_levels;
292 
293 	DRM_DEBUG("DM_PPLIB: values for %s clock\n",
294 			DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
295 
296 	for (i = 0; i < clk_level_info->num_levels; i++) {
297 		DRM_DEBUG("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz);
298 		clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
299 		clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us;
300 	}
301 }
302 
303 static void pp_to_dc_clock_levels_with_voltage(
304 		const struct pp_clock_levels_with_voltage *pp_clks,
305 		struct dm_pp_clock_levels_with_voltage *clk_level_info,
306 		enum dm_pp_clock_type dc_clk_type)
307 {
308 	uint32_t i;
309 
310 	if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) {
311 		DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n",
312 				DC_DECODE_PP_CLOCK_TYPE(dc_clk_type),
313 				pp_clks->num_levels,
314 				DM_PP_MAX_CLOCK_LEVELS);
315 
316 		clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS;
317 	} else
318 		clk_level_info->num_levels = pp_clks->num_levels;
319 
320 	DRM_INFO("DM_PPLIB: values for %s clock\n",
321 			DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
322 
323 	for (i = 0; i < clk_level_info->num_levels; i++) {
324 		DRM_INFO("DM_PPLIB:\t %d in kHz, %d in mV\n", pp_clks->data[i].clocks_in_khz,
325 			 pp_clks->data[i].voltage_in_mv);
326 		clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
327 		clk_level_info->data[i].voltage_in_mv = pp_clks->data[i].voltage_in_mv;
328 	}
329 }
330 
331 bool dm_pp_get_clock_levels_by_type(
332 		const struct dc_context *ctx,
333 		enum dm_pp_clock_type clk_type,
334 		struct dm_pp_clock_levels *dc_clks)
335 {
336 	struct amdgpu_device *adev = ctx->driver_context;
337 	void *pp_handle = adev->powerplay.pp_handle;
338 	struct amd_pp_clocks pp_clks = { 0 };
339 	struct amd_pp_simple_clock_info validation_clks = { 0 };
340 	uint32_t i;
341 
342 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_clock_by_type) {
343 		if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle,
344 			dc_to_pp_clock_type(clk_type), &pp_clks)) {
345 			/* Error in pplib. Provide default values. */
346 			get_default_clock_levels(clk_type, dc_clks);
347 			return true;
348 		}
349 	}
350 
351 	pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
352 
353 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
354 		if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks(
355 						pp_handle, &validation_clks)) {
356 			/* Error in pplib. Provide default values. */
357 			DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
358 			validation_clks.engine_max_clock = 72000;
359 			validation_clks.memory_max_clock = 80000;
360 			validation_clks.level = 0;
361 		}
362 	}
363 
364 	DRM_INFO("DM_PPLIB: Validation clocks:\n");
365 	DRM_INFO("DM_PPLIB:    engine_max_clock: %d\n",
366 			validation_clks.engine_max_clock);
367 	DRM_INFO("DM_PPLIB:    memory_max_clock: %d\n",
368 			validation_clks.memory_max_clock);
369 	DRM_INFO("DM_PPLIB:    level           : %d\n",
370 			validation_clks.level);
371 
372 	/* Translate 10 kHz to kHz. */
373 	validation_clks.engine_max_clock *= 10;
374 	validation_clks.memory_max_clock *= 10;
375 
376 	/* Determine the highest non-boosted level from the Validation Clocks */
377 	if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) {
378 		for (i = 0; i < dc_clks->num_levels; i++) {
379 			if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) {
380 				/* This clock is higher the validation clock.
381 				 * Than means the previous one is the highest
382 				 * non-boosted one. */
383 				DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n",
384 						dc_clks->num_levels, i);
385 				dc_clks->num_levels = i > 0 ? i : 1;
386 				break;
387 			}
388 		}
389 	} else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) {
390 		for (i = 0; i < dc_clks->num_levels; i++) {
391 			if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) {
392 				DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n",
393 						dc_clks->num_levels, i);
394 				dc_clks->num_levels = i > 0 ? i : 1;
395 				break;
396 			}
397 		}
398 	}
399 
400 	return true;
401 }
402 
403 bool dm_pp_get_clock_levels_by_type_with_latency(
404 	const struct dc_context *ctx,
405 	enum dm_pp_clock_type clk_type,
406 	struct dm_pp_clock_levels_with_latency *clk_level_info)
407 {
408 	struct amdgpu_device *adev = ctx->driver_context;
409 	void *pp_handle = adev->powerplay.pp_handle;
410 	struct pp_clock_levels_with_latency pp_clks = { 0 };
411 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
412 	int ret;
413 
414 	if (pp_funcs && pp_funcs->get_clock_by_type_with_latency) {
415 		ret = pp_funcs->get_clock_by_type_with_latency(pp_handle,
416 						dc_to_pp_clock_type(clk_type),
417 						&pp_clks);
418 		if (ret)
419 			return false;
420 	} else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_latency) {
421 		if (smu_get_clock_by_type_with_latency(&adev->smu,
422 						       dc_to_smu_clock_type(clk_type),
423 						       &pp_clks))
424 			return false;
425 	}
426 
427 
428 	pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type);
429 
430 	return true;
431 }
432 
433 bool dm_pp_get_clock_levels_by_type_with_voltage(
434 	const struct dc_context *ctx,
435 	enum dm_pp_clock_type clk_type,
436 	struct dm_pp_clock_levels_with_voltage *clk_level_info)
437 {
438 	struct amdgpu_device *adev = ctx->driver_context;
439 	void *pp_handle = adev->powerplay.pp_handle;
440 	struct pp_clock_levels_with_voltage pp_clk_info = {0};
441 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
442 	int ret;
443 
444 	if (pp_funcs && pp_funcs->get_clock_by_type_with_voltage) {
445 		ret = pp_funcs->get_clock_by_type_with_voltage(pp_handle,
446 						dc_to_pp_clock_type(clk_type),
447 						&pp_clk_info);
448 		if (ret)
449 			return false;
450 	}
451 
452 	pp_to_dc_clock_levels_with_voltage(&pp_clk_info, clk_level_info, clk_type);
453 
454 	return true;
455 }
456 
457 bool dm_pp_notify_wm_clock_changes(
458 	const struct dc_context *ctx,
459 	struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges)
460 {
461 	struct amdgpu_device *adev = ctx->driver_context;
462 	void *pp_handle = adev->powerplay.pp_handle;
463 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
464 
465 	/*
466 	 * Limit this watermark setting for Polaris for now
467 	 * TODO: expand this to other ASICs
468 	 */
469 	if ((adev->asic_type >= CHIP_POLARIS10) && (adev->asic_type <= CHIP_VEGAM)
470 	     && pp_funcs && pp_funcs->set_watermarks_for_clocks_ranges) {
471 		if (!pp_funcs->set_watermarks_for_clocks_ranges(pp_handle,
472 						(void *)wm_with_clock_ranges))
473 			return true;
474 	}
475 
476 	return false;
477 }
478 
479 bool dm_pp_apply_power_level_change_request(
480 	const struct dc_context *ctx,
481 	struct dm_pp_power_level_change_request *level_change_req)
482 {
483 	/* TODO: to be implemented */
484 	return false;
485 }
486 
487 bool dm_pp_apply_clock_for_voltage_request(
488 	const struct dc_context *ctx,
489 	struct dm_pp_clock_for_voltage_req *clock_for_voltage_req)
490 {
491 	struct amdgpu_device *adev = ctx->driver_context;
492 	struct pp_display_clock_request pp_clock_request = {0};
493 	int ret = 0;
494 
495 	pp_clock_request.clock_type = dc_to_pp_clock_type(clock_for_voltage_req->clk_type);
496 	pp_clock_request.clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz;
497 
498 	if (!pp_clock_request.clock_type)
499 		return false;
500 
501 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->display_clock_voltage_request)
502 		ret = adev->powerplay.pp_funcs->display_clock_voltage_request(
503 			adev->powerplay.pp_handle,
504 			&pp_clock_request);
505 	else if (adev->smu.ppt_funcs &&
506 		 adev->smu.ppt_funcs->display_clock_voltage_request)
507 		ret = smu_display_clock_voltage_request(&adev->smu,
508 							&pp_clock_request);
509 	if (ret)
510 		return false;
511 	return true;
512 }
513 
514 bool dm_pp_get_static_clocks(
515 	const struct dc_context *ctx,
516 	struct dm_pp_static_clock_info *static_clk_info)
517 {
518 	struct amdgpu_device *adev = ctx->driver_context;
519 	struct amd_pp_clock_info pp_clk_info = {0};
520 	int ret = 0;
521 
522 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_current_clocks)
523 		ret = adev->powerplay.pp_funcs->get_current_clocks(
524 			adev->powerplay.pp_handle,
525 			&pp_clk_info);
526 	else
527 		return false;
528 	if (ret)
529 		return false;
530 
531 	static_clk_info->max_clocks_state = pp_to_dc_powerlevel_state(pp_clk_info.max_clocks_state);
532 	static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10;
533 	static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10;
534 
535 	return true;
536 }
537 
538 static void pp_rv_set_wm_ranges(struct pp_smu *pp,
539 		struct pp_smu_wm_range_sets *ranges)
540 {
541 	const struct dc_context *ctx = pp->dm;
542 	struct amdgpu_device *adev = ctx->driver_context;
543 	void *pp_handle = adev->powerplay.pp_handle;
544 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
545 	struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges;
546 	struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks = wm_with_clock_ranges.wm_dmif_clocks_ranges;
547 	struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks = wm_with_clock_ranges.wm_mcif_clocks_ranges;
548 	int32_t i;
549 
550 	wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets;
551 	wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets;
552 
553 	for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) {
554 		if (ranges->reader_wm_sets[i].wm_inst > 3)
555 			wm_dce_clocks[i].wm_set_id = WM_SET_A;
556 		else
557 			wm_dce_clocks[i].wm_set_id =
558 					ranges->reader_wm_sets[i].wm_inst;
559 		wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz =
560 				ranges->reader_wm_sets[i].max_drain_clk_mhz * 1000;
561 		wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz =
562 				ranges->reader_wm_sets[i].min_drain_clk_mhz * 1000;
563 		wm_dce_clocks[i].wm_max_mem_clk_in_khz =
564 				ranges->reader_wm_sets[i].max_fill_clk_mhz * 1000;
565 		wm_dce_clocks[i].wm_min_mem_clk_in_khz =
566 				ranges->reader_wm_sets[i].min_fill_clk_mhz * 1000;
567 	}
568 
569 	for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) {
570 		if (ranges->writer_wm_sets[i].wm_inst > 3)
571 			wm_soc_clocks[i].wm_set_id = WM_SET_A;
572 		else
573 			wm_soc_clocks[i].wm_set_id =
574 					ranges->writer_wm_sets[i].wm_inst;
575 		wm_soc_clocks[i].wm_max_socclk_clk_in_khz =
576 				ranges->writer_wm_sets[i].max_fill_clk_mhz * 1000;
577 		wm_soc_clocks[i].wm_min_socclk_clk_in_khz =
578 				ranges->writer_wm_sets[i].min_fill_clk_mhz * 1000;
579 		wm_soc_clocks[i].wm_max_mem_clk_in_khz =
580 				ranges->writer_wm_sets[i].max_drain_clk_mhz * 1000;
581 		wm_soc_clocks[i].wm_min_mem_clk_in_khz =
582 				ranges->writer_wm_sets[i].min_drain_clk_mhz * 1000;
583 	}
584 
585 	if (pp_funcs && pp_funcs->set_watermarks_for_clocks_ranges)
586 		pp_funcs->set_watermarks_for_clocks_ranges(pp_handle,
587 							   &wm_with_clock_ranges);
588 }
589 
590 static void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
591 {
592 	const struct dc_context *ctx = pp->dm;
593 	struct amdgpu_device *adev = ctx->driver_context;
594 	void *pp_handle = adev->powerplay.pp_handle;
595 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
596 
597 	if (pp_funcs && pp_funcs->notify_smu_enable_pwe)
598 		pp_funcs->notify_smu_enable_pwe(pp_handle);
599 }
600 
601 static void pp_rv_set_active_display_count(struct pp_smu *pp, int count)
602 {
603 	const struct dc_context *ctx = pp->dm;
604 	struct amdgpu_device *adev = ctx->driver_context;
605 	void *pp_handle = adev->powerplay.pp_handle;
606 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
607 
608 	if (!pp_funcs || !pp_funcs->set_active_display_count)
609 		return;
610 
611 	pp_funcs->set_active_display_count(pp_handle, count);
612 }
613 
614 static void pp_rv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int clock)
615 {
616 	const struct dc_context *ctx = pp->dm;
617 	struct amdgpu_device *adev = ctx->driver_context;
618 	void *pp_handle = adev->powerplay.pp_handle;
619 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
620 
621 	if (!pp_funcs || !pp_funcs->set_min_deep_sleep_dcefclk)
622 		return;
623 
624 	pp_funcs->set_min_deep_sleep_dcefclk(pp_handle, clock);
625 }
626 
627 static void pp_rv_set_hard_min_dcefclk_by_freq(struct pp_smu *pp, int clock)
628 {
629 	const struct dc_context *ctx = pp->dm;
630 	struct amdgpu_device *adev = ctx->driver_context;
631 	void *pp_handle = adev->powerplay.pp_handle;
632 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
633 
634 	if (!pp_funcs || !pp_funcs->set_hard_min_dcefclk_by_freq)
635 		return;
636 
637 	pp_funcs->set_hard_min_dcefclk_by_freq(pp_handle, clock);
638 }
639 
640 static void pp_rv_set_hard_min_fclk_by_freq(struct pp_smu *pp, int mhz)
641 {
642 	const struct dc_context *ctx = pp->dm;
643 	struct amdgpu_device *adev = ctx->driver_context;
644 	void *pp_handle = adev->powerplay.pp_handle;
645 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
646 
647 	if (!pp_funcs || !pp_funcs->set_hard_min_fclk_by_freq)
648 		return;
649 
650 	pp_funcs->set_hard_min_fclk_by_freq(pp_handle, mhz);
651 }
652 
653 static enum pp_smu_status pp_nv_set_wm_ranges(struct pp_smu *pp,
654 		struct pp_smu_wm_range_sets *ranges)
655 {
656 	const struct dc_context *ctx = pp->dm;
657 	struct amdgpu_device *adev = ctx->driver_context;
658 
659 	smu_set_watermarks_for_clock_ranges(&adev->smu, ranges);
660 
661 	return PP_SMU_RESULT_OK;
662 }
663 
664 static enum pp_smu_status pp_nv_set_display_count(struct pp_smu *pp, int count)
665 {
666 	const struct dc_context *ctx = pp->dm;
667 	struct amdgpu_device *adev = ctx->driver_context;
668 	struct smu_context *smu = &adev->smu;
669 
670 	if (!smu->ppt_funcs)
671 		return PP_SMU_RESULT_UNSUPPORTED;
672 
673 	/* 0: successful or smu.ppt_funcs->set_display_count = NULL;  1: fail */
674 	if (smu_set_display_count(smu, count))
675 		return PP_SMU_RESULT_FAIL;
676 
677 	return PP_SMU_RESULT_OK;
678 }
679 
680 static enum pp_smu_status
681 pp_nv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int mhz)
682 {
683 	const struct dc_context *ctx = pp->dm;
684 	struct amdgpu_device *adev = ctx->driver_context;
685 	struct smu_context *smu = &adev->smu;
686 
687 	if (!smu->ppt_funcs)
688 		return PP_SMU_RESULT_UNSUPPORTED;
689 
690 	/* 0: successful or smu.ppt_funcs->set_deep_sleep_dcefclk = NULL;1: fail */
691 	if (smu_set_deep_sleep_dcefclk(smu, mhz))
692 		return PP_SMU_RESULT_FAIL;
693 
694 	return PP_SMU_RESULT_OK;
695 }
696 
697 static enum pp_smu_status pp_nv_set_hard_min_dcefclk_by_freq(
698 		struct pp_smu *pp, int mhz)
699 {
700 	const struct dc_context *ctx = pp->dm;
701 	struct amdgpu_device *adev = ctx->driver_context;
702 	struct smu_context *smu = &adev->smu;
703 	struct pp_display_clock_request clock_req;
704 
705 	if (!smu->ppt_funcs)
706 		return PP_SMU_RESULT_UNSUPPORTED;
707 
708 	clock_req.clock_type = amd_pp_dcef_clock;
709 	clock_req.clock_freq_in_khz = mhz * 1000;
710 
711 	/* 0: successful or smu.ppt_funcs->display_clock_voltage_request = NULL
712 	 * 1: fail
713 	 */
714 	if (smu_display_clock_voltage_request(smu, &clock_req))
715 		return PP_SMU_RESULT_FAIL;
716 
717 	return PP_SMU_RESULT_OK;
718 }
719 
720 static enum pp_smu_status
721 pp_nv_set_hard_min_uclk_by_freq(struct pp_smu *pp, int mhz)
722 {
723 	const struct dc_context *ctx = pp->dm;
724 	struct amdgpu_device *adev = ctx->driver_context;
725 	struct smu_context *smu = &adev->smu;
726 	struct pp_display_clock_request clock_req;
727 
728 	if (!smu->ppt_funcs)
729 		return PP_SMU_RESULT_UNSUPPORTED;
730 
731 	clock_req.clock_type = amd_pp_mem_clock;
732 	clock_req.clock_freq_in_khz = mhz * 1000;
733 
734 	/* 0: successful or smu.ppt_funcs->display_clock_voltage_request = NULL
735 	 * 1: fail
736 	 */
737 	if (smu_display_clock_voltage_request(smu, &clock_req))
738 		return PP_SMU_RESULT_FAIL;
739 
740 	return PP_SMU_RESULT_OK;
741 }
742 
743 static enum pp_smu_status pp_nv_set_pstate_handshake_support(
744 	struct pp_smu *pp, bool pstate_handshake_supported)
745 {
746 	const struct dc_context *ctx = pp->dm;
747 	struct amdgpu_device *adev = ctx->driver_context;
748 	struct smu_context *smu = &adev->smu;
749 
750 	if (smu_display_disable_memory_clock_switch(smu, !pstate_handshake_supported))
751 		return PP_SMU_RESULT_FAIL;
752 
753 	return PP_SMU_RESULT_OK;
754 }
755 
756 static enum pp_smu_status pp_nv_set_voltage_by_freq(struct pp_smu *pp,
757 		enum pp_smu_nv_clock_id clock_id, int mhz)
758 {
759 	const struct dc_context *ctx = pp->dm;
760 	struct amdgpu_device *adev = ctx->driver_context;
761 	struct smu_context *smu = &adev->smu;
762 	struct pp_display_clock_request clock_req;
763 
764 	if (!smu->ppt_funcs)
765 		return PP_SMU_RESULT_UNSUPPORTED;
766 
767 	switch (clock_id) {
768 	case PP_SMU_NV_DISPCLK:
769 		clock_req.clock_type = amd_pp_disp_clock;
770 		break;
771 	case PP_SMU_NV_PHYCLK:
772 		clock_req.clock_type = amd_pp_phy_clock;
773 		break;
774 	case PP_SMU_NV_PIXELCLK:
775 		clock_req.clock_type = amd_pp_pixel_clock;
776 		break;
777 	default:
778 		break;
779 	}
780 	clock_req.clock_freq_in_khz = mhz * 1000;
781 
782 	/* 0: successful or smu.ppt_funcs->display_clock_voltage_request = NULL
783 	 * 1: fail
784 	 */
785 	if (smu_display_clock_voltage_request(smu, &clock_req))
786 		return PP_SMU_RESULT_FAIL;
787 
788 	return PP_SMU_RESULT_OK;
789 }
790 
791 static enum pp_smu_status pp_nv_get_maximum_sustainable_clocks(
792 		struct pp_smu *pp, struct pp_smu_nv_clock_table *max_clocks)
793 {
794 	const struct dc_context *ctx = pp->dm;
795 	struct amdgpu_device *adev = ctx->driver_context;
796 	struct smu_context *smu = &adev->smu;
797 
798 	if (!smu->ppt_funcs)
799 		return PP_SMU_RESULT_UNSUPPORTED;
800 
801 	if (!smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
802 		return PP_SMU_RESULT_UNSUPPORTED;
803 
804 	if (!smu_get_max_sustainable_clocks_by_dc(smu, max_clocks))
805 		return PP_SMU_RESULT_OK;
806 
807 	return PP_SMU_RESULT_FAIL;
808 }
809 
810 static enum pp_smu_status pp_nv_get_uclk_dpm_states(struct pp_smu *pp,
811 		unsigned int *clock_values_in_khz, unsigned int *num_states)
812 {
813 	const struct dc_context *ctx = pp->dm;
814 	struct amdgpu_device *adev = ctx->driver_context;
815 	struct smu_context *smu = &adev->smu;
816 
817 	if (!smu->ppt_funcs)
818 		return PP_SMU_RESULT_UNSUPPORTED;
819 
820 	if (!smu->ppt_funcs->get_uclk_dpm_states)
821 		return PP_SMU_RESULT_UNSUPPORTED;
822 
823 	if (!smu_get_uclk_dpm_states(smu,
824 			clock_values_in_khz, num_states))
825 		return PP_SMU_RESULT_OK;
826 
827 	return PP_SMU_RESULT_FAIL;
828 }
829 
830 static enum pp_smu_status pp_rn_get_dpm_clock_table(
831 		struct pp_smu *pp, struct dpm_clocks *clock_table)
832 {
833 	const struct dc_context *ctx = pp->dm;
834 	struct amdgpu_device *adev = ctx->driver_context;
835 	struct smu_context *smu = &adev->smu;
836 
837 	if (!smu->ppt_funcs)
838 		return PP_SMU_RESULT_UNSUPPORTED;
839 
840 	if (!smu->ppt_funcs->get_dpm_clock_table)
841 		return PP_SMU_RESULT_UNSUPPORTED;
842 
843 	if (!smu_get_dpm_clock_table(smu, clock_table))
844 		return PP_SMU_RESULT_OK;
845 
846 	return PP_SMU_RESULT_FAIL;
847 }
848 
849 static enum pp_smu_status pp_rn_set_wm_ranges(struct pp_smu *pp,
850 		struct pp_smu_wm_range_sets *ranges)
851 {
852 	const struct dc_context *ctx = pp->dm;
853 	struct amdgpu_device *adev = ctx->driver_context;
854 
855 	smu_set_watermarks_for_clock_ranges(&adev->smu, ranges);
856 
857 	return PP_SMU_RESULT_OK;
858 }
859 
860 void dm_pp_get_funcs(
861 		struct dc_context *ctx,
862 		struct pp_smu_funcs *funcs)
863 {
864 	switch (ctx->dce_version) {
865 	case DCN_VERSION_1_0:
866 	case DCN_VERSION_1_01:
867 		funcs->ctx.ver = PP_SMU_VER_RV;
868 		funcs->rv_funcs.pp_smu.dm = ctx;
869 		funcs->rv_funcs.set_wm_ranges = pp_rv_set_wm_ranges;
870 		funcs->rv_funcs.set_pme_wa_enable = pp_rv_set_pme_wa_enable;
871 		funcs->rv_funcs.set_display_count =
872 				pp_rv_set_active_display_count;
873 		funcs->rv_funcs.set_min_deep_sleep_dcfclk =
874 				pp_rv_set_min_deep_sleep_dcfclk;
875 		funcs->rv_funcs.set_hard_min_dcfclk_by_freq =
876 				pp_rv_set_hard_min_dcefclk_by_freq;
877 		funcs->rv_funcs.set_hard_min_fclk_by_freq =
878 				pp_rv_set_hard_min_fclk_by_freq;
879 		break;
880 	case DCN_VERSION_2_0:
881 		funcs->ctx.ver = PP_SMU_VER_NV;
882 		funcs->nv_funcs.pp_smu.dm = ctx;
883 		funcs->nv_funcs.set_display_count = pp_nv_set_display_count;
884 		funcs->nv_funcs.set_hard_min_dcfclk_by_freq =
885 				pp_nv_set_hard_min_dcefclk_by_freq;
886 		funcs->nv_funcs.set_min_deep_sleep_dcfclk =
887 				pp_nv_set_min_deep_sleep_dcfclk;
888 		funcs->nv_funcs.set_voltage_by_freq =
889 				pp_nv_set_voltage_by_freq;
890 		funcs->nv_funcs.set_wm_ranges = pp_nv_set_wm_ranges;
891 
892 		/* todo set_pme_wa_enable cause 4k@6ohz display not light up */
893 		funcs->nv_funcs.set_pme_wa_enable = NULL;
894 		/* todo debug waring message */
895 		funcs->nv_funcs.set_hard_min_uclk_by_freq = pp_nv_set_hard_min_uclk_by_freq;
896 		/* todo  compare data with window driver*/
897 		funcs->nv_funcs.get_maximum_sustainable_clocks = pp_nv_get_maximum_sustainable_clocks;
898 		/*todo  compare data with window driver */
899 		funcs->nv_funcs.get_uclk_dpm_states = pp_nv_get_uclk_dpm_states;
900 		funcs->nv_funcs.set_pstate_handshake_support = pp_nv_set_pstate_handshake_support;
901 		break;
902 
903 	case DCN_VERSION_2_1:
904 		funcs->ctx.ver = PP_SMU_VER_RN;
905 		funcs->rn_funcs.pp_smu.dm = ctx;
906 		funcs->rn_funcs.set_wm_ranges = pp_rn_set_wm_ranges;
907 		funcs->rn_funcs.get_dpm_clock_table = pp_rn_get_dpm_clock_table;
908 		break;
909 	default:
910 		DRM_ERROR("smu version is not supported !\n");
911 		break;
912 	}
913 }
914