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 
dm_pp_apply_display_requirements(const struct dc_context * ctx,const struct dm_pp_display_configuration * pp_display_cfg)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
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 
get_default_clock_levels(enum dm_pp_clock_type clk_type,struct dm_pp_clock_levels * clks)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 
dc_to_smu_clock_type(enum dm_pp_clock_type dm_pp_clk_type)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 
dc_to_pp_clock_type(enum dm_pp_clock_type dm_pp_clk_type)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 
pp_to_dc_powerlevel_state(enum PP_DAL_POWERLEVEL max_clocks_state)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 
pp_to_dc_clock_levels(const struct amd_pp_clocks * pp_clks,struct dm_pp_clock_levels * dc_clks,enum dm_pp_clock_type dc_clk_type)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 
pp_to_dc_clock_levels_with_latency(const struct pp_clock_levels_with_latency * pp_clks,struct dm_pp_clock_levels_with_latency * clk_level_info,enum dm_pp_clock_type dc_clk_type)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 
pp_to_dc_clock_levels_with_voltage(const struct pp_clock_levels_with_voltage * pp_clks,struct dm_pp_clock_levels_with_voltage * clk_level_info,enum dm_pp_clock_type dc_clk_type)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 
dm_pp_get_clock_levels_by_type(const struct dc_context * ctx,enum dm_pp_clock_type clk_type,struct dm_pp_clock_levels * dc_clks)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 			return true;
347 		}
348 	} else if (adev->smu.funcs && adev->smu.funcs->get_clock_by_type) {
349 		if (smu_get_clock_by_type(&adev->smu,
350 					  dc_to_pp_clock_type(clk_type),
351 					  &pp_clks)) {
352 			get_default_clock_levels(clk_type, dc_clks);
353 			return true;
354 		}
355 	}
356 
357 	pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type);
358 
359 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_display_mode_validation_clocks) {
360 		if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks(
361 						pp_handle, &validation_clks)) {
362 			/* Error in pplib. Provide default values. */
363 			DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
364 			validation_clks.engine_max_clock = 72000;
365 			validation_clks.memory_max_clock = 80000;
366 			validation_clks.level = 0;
367 		}
368 	} else if (adev->smu.funcs && adev->smu.funcs->get_max_high_clocks) {
369 		if (smu_get_max_high_clocks(&adev->smu, &validation_clks)) {
370 			DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n");
371 			validation_clks.engine_max_clock = 72000;
372 			validation_clks.memory_max_clock = 80000;
373 			validation_clks.level = 0;
374 		}
375 	}
376 
377 	DRM_INFO("DM_PPLIB: Validation clocks:\n");
378 	DRM_INFO("DM_PPLIB:    engine_max_clock: %d\n",
379 			validation_clks.engine_max_clock);
380 	DRM_INFO("DM_PPLIB:    memory_max_clock: %d\n",
381 			validation_clks.memory_max_clock);
382 	DRM_INFO("DM_PPLIB:    level           : %d\n",
383 			validation_clks.level);
384 
385 	/* Translate 10 kHz to kHz. */
386 	validation_clks.engine_max_clock *= 10;
387 	validation_clks.memory_max_clock *= 10;
388 
389 	/* Determine the highest non-boosted level from the Validation Clocks */
390 	if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) {
391 		for (i = 0; i < dc_clks->num_levels; i++) {
392 			if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) {
393 				/* This clock is higher the validation clock.
394 				 * Than means the previous one is the highest
395 				 * non-boosted one. */
396 				DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n",
397 						dc_clks->num_levels, i);
398 				dc_clks->num_levels = i > 0 ? i : 1;
399 				break;
400 			}
401 		}
402 	} else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) {
403 		for (i = 0; i < dc_clks->num_levels; i++) {
404 			if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) {
405 				DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n",
406 						dc_clks->num_levels, i);
407 				dc_clks->num_levels = i > 0 ? i : 1;
408 				break;
409 			}
410 		}
411 	}
412 
413 	return true;
414 }
415 
dm_pp_get_clock_levels_by_type_with_latency(const struct dc_context * ctx,enum dm_pp_clock_type clk_type,struct dm_pp_clock_levels_with_latency * clk_level_info)416 bool dm_pp_get_clock_levels_by_type_with_latency(
417 	const struct dc_context *ctx,
418 	enum dm_pp_clock_type clk_type,
419 	struct dm_pp_clock_levels_with_latency *clk_level_info)
420 {
421 	struct amdgpu_device *adev = ctx->driver_context;
422 	void *pp_handle = adev->powerplay.pp_handle;
423 	struct pp_clock_levels_with_latency pp_clks = { 0 };
424 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
425 	int ret;
426 
427 	if (pp_funcs && pp_funcs->get_clock_by_type_with_latency) {
428 		ret = pp_funcs->get_clock_by_type_with_latency(pp_handle,
429 						dc_to_pp_clock_type(clk_type),
430 						&pp_clks);
431 		if (ret)
432 			return false;
433 	} else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_latency) {
434 		if (smu_get_clock_by_type_with_latency(&adev->smu,
435 						       dc_to_smu_clock_type(clk_type),
436 						       &pp_clks))
437 			return false;
438 	}
439 
440 
441 	pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type);
442 
443 	return true;
444 }
445 
dm_pp_get_clock_levels_by_type_with_voltage(const struct dc_context * ctx,enum dm_pp_clock_type clk_type,struct dm_pp_clock_levels_with_voltage * clk_level_info)446 bool dm_pp_get_clock_levels_by_type_with_voltage(
447 	const struct dc_context *ctx,
448 	enum dm_pp_clock_type clk_type,
449 	struct dm_pp_clock_levels_with_voltage *clk_level_info)
450 {
451 	struct amdgpu_device *adev = ctx->driver_context;
452 	void *pp_handle = adev->powerplay.pp_handle;
453 	struct pp_clock_levels_with_voltage pp_clk_info = {0};
454 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
455 	int ret;
456 
457 	if (pp_funcs && pp_funcs->get_clock_by_type_with_voltage) {
458 		ret = pp_funcs->get_clock_by_type_with_voltage(pp_handle,
459 						dc_to_pp_clock_type(clk_type),
460 						&pp_clk_info);
461 		if (ret)
462 			return false;
463 	} else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_voltage) {
464 		if (smu_get_clock_by_type_with_voltage(&adev->smu,
465 						       dc_to_pp_clock_type(clk_type),
466 						       &pp_clk_info))
467 			return false;
468 	}
469 
470 	pp_to_dc_clock_levels_with_voltage(&pp_clk_info, clk_level_info, clk_type);
471 
472 	return true;
473 }
474 
dm_pp_notify_wm_clock_changes(const struct dc_context * ctx,struct dm_pp_wm_sets_with_clock_ranges * wm_with_clock_ranges)475 bool dm_pp_notify_wm_clock_changes(
476 	const struct dc_context *ctx,
477 	struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges)
478 {
479 	/* TODO: to be implemented */
480 	return false;
481 }
482 
dm_pp_apply_power_level_change_request(const struct dc_context * ctx,struct dm_pp_power_level_change_request * level_change_req)483 bool dm_pp_apply_power_level_change_request(
484 	const struct dc_context *ctx,
485 	struct dm_pp_power_level_change_request *level_change_req)
486 {
487 	/* TODO: to be implemented */
488 	return false;
489 }
490 
dm_pp_apply_clock_for_voltage_request(const struct dc_context * ctx,struct dm_pp_clock_for_voltage_req * clock_for_voltage_req)491 bool dm_pp_apply_clock_for_voltage_request(
492 	const struct dc_context *ctx,
493 	struct dm_pp_clock_for_voltage_req *clock_for_voltage_req)
494 {
495 	struct amdgpu_device *adev = ctx->driver_context;
496 	struct pp_display_clock_request pp_clock_request = {0};
497 	int ret = 0;
498 
499 	pp_clock_request.clock_type = dc_to_pp_clock_type(clock_for_voltage_req->clk_type);
500 	pp_clock_request.clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz;
501 
502 	if (!pp_clock_request.clock_type)
503 		return false;
504 
505 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->display_clock_voltage_request)
506 		ret = adev->powerplay.pp_funcs->display_clock_voltage_request(
507 			adev->powerplay.pp_handle,
508 			&pp_clock_request);
509 	else if (adev->smu.funcs &&
510 		 adev->smu.funcs->display_clock_voltage_request)
511 		ret = smu_display_clock_voltage_request(&adev->smu,
512 							&pp_clock_request);
513 	if (ret)
514 		return false;
515 	return true;
516 }
517 
dm_pp_get_static_clocks(const struct dc_context * ctx,struct dm_pp_static_clock_info * static_clk_info)518 bool dm_pp_get_static_clocks(
519 	const struct dc_context *ctx,
520 	struct dm_pp_static_clock_info *static_clk_info)
521 {
522 	struct amdgpu_device *adev = ctx->driver_context;
523 	struct amd_pp_clock_info pp_clk_info = {0};
524 	int ret = 0;
525 
526 	if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_current_clocks)
527 		ret = adev->powerplay.pp_funcs->get_current_clocks(
528 			adev->powerplay.pp_handle,
529 			&pp_clk_info);
530 	else if (adev->smu.funcs)
531 		ret = smu_get_current_clocks(&adev->smu, &pp_clk_info);
532 	if (ret)
533 		return false;
534 
535 	static_clk_info->max_clocks_state = pp_to_dc_powerlevel_state(pp_clk_info.max_clocks_state);
536 	static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10;
537 	static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10;
538 
539 	return true;
540 }
541 
pp_rv_set_wm_ranges(struct pp_smu * pp,struct pp_smu_wm_range_sets * ranges)542 void pp_rv_set_wm_ranges(struct pp_smu *pp,
543 		struct pp_smu_wm_range_sets *ranges)
544 {
545 	const struct dc_context *ctx = pp->dm;
546 	struct amdgpu_device *adev = ctx->driver_context;
547 	void *pp_handle = adev->powerplay.pp_handle;
548 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
549 	struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges;
550 	struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks = wm_with_clock_ranges.wm_dmif_clocks_ranges;
551 	struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks = wm_with_clock_ranges.wm_mcif_clocks_ranges;
552 	int32_t i;
553 
554 	wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets;
555 	wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets;
556 
557 	for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) {
558 		if (ranges->reader_wm_sets[i].wm_inst > 3)
559 			wm_dce_clocks[i].wm_set_id = WM_SET_A;
560 		else
561 			wm_dce_clocks[i].wm_set_id =
562 					ranges->reader_wm_sets[i].wm_inst;
563 		wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz =
564 				ranges->reader_wm_sets[i].max_drain_clk_mhz * 1000;
565 		wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz =
566 				ranges->reader_wm_sets[i].min_drain_clk_mhz * 1000;
567 		wm_dce_clocks[i].wm_max_mem_clk_in_khz =
568 				ranges->reader_wm_sets[i].max_fill_clk_mhz * 1000;
569 		wm_dce_clocks[i].wm_min_mem_clk_in_khz =
570 				ranges->reader_wm_sets[i].min_fill_clk_mhz * 1000;
571 	}
572 
573 	for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) {
574 		if (ranges->writer_wm_sets[i].wm_inst > 3)
575 			wm_soc_clocks[i].wm_set_id = WM_SET_A;
576 		else
577 			wm_soc_clocks[i].wm_set_id =
578 					ranges->writer_wm_sets[i].wm_inst;
579 		wm_soc_clocks[i].wm_max_socclk_clk_in_khz =
580 				ranges->writer_wm_sets[i].max_fill_clk_mhz * 1000;
581 		wm_soc_clocks[i].wm_min_socclk_clk_in_khz =
582 				ranges->writer_wm_sets[i].min_fill_clk_mhz * 1000;
583 		wm_soc_clocks[i].wm_max_mem_clk_in_khz =
584 				ranges->writer_wm_sets[i].max_drain_clk_mhz * 1000;
585 		wm_soc_clocks[i].wm_min_mem_clk_in_khz =
586 				ranges->writer_wm_sets[i].min_drain_clk_mhz * 1000;
587 	}
588 
589 	if (pp_funcs && pp_funcs->set_watermarks_for_clocks_ranges)
590 		pp_funcs->set_watermarks_for_clocks_ranges(pp_handle,
591 							   &wm_with_clock_ranges);
592 	else if (adev->smu.funcs &&
593 		 adev->smu.funcs->set_watermarks_for_clock_ranges)
594 		smu_set_watermarks_for_clock_ranges(&adev->smu,
595 						    &wm_with_clock_ranges);
596 }
597 
pp_rv_set_pme_wa_enable(struct pp_smu * pp)598 void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
599 {
600 	const struct dc_context *ctx = pp->dm;
601 	struct amdgpu_device *adev = ctx->driver_context;
602 	void *pp_handle = adev->powerplay.pp_handle;
603 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
604 
605 	if (pp_funcs && pp_funcs->notify_smu_enable_pwe)
606 		pp_funcs->notify_smu_enable_pwe(pp_handle);
607 	else if (adev->smu.funcs)
608 		smu_notify_smu_enable_pwe(&adev->smu);
609 }
610 
pp_rv_set_active_display_count(struct pp_smu * pp,int count)611 void pp_rv_set_active_display_count(struct pp_smu *pp, int count)
612 {
613 	const struct dc_context *ctx = pp->dm;
614 	struct amdgpu_device *adev = ctx->driver_context;
615 	void *pp_handle = adev->powerplay.pp_handle;
616 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
617 
618 	if (!pp_funcs || !pp_funcs->set_active_display_count)
619 		return;
620 
621 	pp_funcs->set_active_display_count(pp_handle, count);
622 }
623 
pp_rv_set_min_deep_sleep_dcfclk(struct pp_smu * pp,int clock)624 void pp_rv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int clock)
625 {
626 	const struct dc_context *ctx = pp->dm;
627 	struct amdgpu_device *adev = ctx->driver_context;
628 	void *pp_handle = adev->powerplay.pp_handle;
629 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
630 
631 	if (!pp_funcs || !pp_funcs->set_min_deep_sleep_dcefclk)
632 		return;
633 
634 	pp_funcs->set_min_deep_sleep_dcefclk(pp_handle, clock);
635 }
636 
pp_rv_set_hard_min_dcefclk_by_freq(struct pp_smu * pp,int clock)637 void pp_rv_set_hard_min_dcefclk_by_freq(struct pp_smu *pp, int clock)
638 {
639 	const struct dc_context *ctx = pp->dm;
640 	struct amdgpu_device *adev = ctx->driver_context;
641 	void *pp_handle = adev->powerplay.pp_handle;
642 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
643 
644 	if (!pp_funcs || !pp_funcs->set_hard_min_dcefclk_by_freq)
645 		return;
646 
647 	pp_funcs->set_hard_min_dcefclk_by_freq(pp_handle, clock);
648 }
649 
pp_rv_set_hard_min_fclk_by_freq(struct pp_smu * pp,int mhz)650 void pp_rv_set_hard_min_fclk_by_freq(struct pp_smu *pp, int mhz)
651 {
652 	const struct dc_context *ctx = pp->dm;
653 	struct amdgpu_device *adev = ctx->driver_context;
654 	void *pp_handle = adev->powerplay.pp_handle;
655 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
656 
657 	if (!pp_funcs || !pp_funcs->set_hard_min_fclk_by_freq)
658 		return;
659 
660 	pp_funcs->set_hard_min_fclk_by_freq(pp_handle, mhz);
661 }
662 
pp_nv_set_wm_ranges(struct pp_smu * pp,struct pp_smu_wm_range_sets * ranges)663 enum pp_smu_status pp_nv_set_wm_ranges(struct pp_smu *pp,
664 		struct pp_smu_wm_range_sets *ranges)
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 	struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges;
670 	struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks =
671 			wm_with_clock_ranges.wm_dmif_clocks_ranges;
672 	struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks =
673 			wm_with_clock_ranges.wm_mcif_clocks_ranges;
674 	int32_t i;
675 
676 	wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets;
677 	wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets;
678 
679 	for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) {
680 		if (ranges->reader_wm_sets[i].wm_inst > 3)
681 			wm_dce_clocks[i].wm_set_id = WM_SET_A;
682 		else
683 			wm_dce_clocks[i].wm_set_id =
684 					ranges->reader_wm_sets[i].wm_inst;
685 		wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz =
686 			ranges->reader_wm_sets[i].max_drain_clk_mhz * 1000;
687 		wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz =
688 			ranges->reader_wm_sets[i].min_drain_clk_mhz * 1000;
689 		wm_dce_clocks[i].wm_max_mem_clk_in_khz =
690 			ranges->reader_wm_sets[i].max_fill_clk_mhz * 1000;
691 		wm_dce_clocks[i].wm_min_mem_clk_in_khz =
692 			ranges->reader_wm_sets[i].min_fill_clk_mhz * 1000;
693 	}
694 
695 	for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) {
696 		if (ranges->writer_wm_sets[i].wm_inst > 3)
697 			wm_soc_clocks[i].wm_set_id = WM_SET_A;
698 		else
699 			wm_soc_clocks[i].wm_set_id =
700 					ranges->writer_wm_sets[i].wm_inst;
701 		wm_soc_clocks[i].wm_max_socclk_clk_in_khz =
702 			ranges->writer_wm_sets[i].max_fill_clk_mhz * 1000;
703 		wm_soc_clocks[i].wm_min_socclk_clk_in_khz =
704 			ranges->writer_wm_sets[i].min_fill_clk_mhz * 1000;
705 		wm_soc_clocks[i].wm_max_mem_clk_in_khz =
706 			ranges->writer_wm_sets[i].max_drain_clk_mhz * 1000;
707 		wm_soc_clocks[i].wm_min_mem_clk_in_khz =
708 			ranges->writer_wm_sets[i].min_drain_clk_mhz * 1000;
709 	}
710 
711 	if (!smu->funcs)
712 		return PP_SMU_RESULT_UNSUPPORTED;
713 
714 	/* 0: successful or smu.funcs->set_watermarks_for_clock_ranges = NULL;
715 	 * 1: fail
716 	 */
717 	if (smu_set_watermarks_for_clock_ranges(&adev->smu,
718 			&wm_with_clock_ranges))
719 		return PP_SMU_RESULT_UNSUPPORTED;
720 
721 	return PP_SMU_RESULT_OK;
722 }
723 
pp_nv_set_pme_wa_enable(struct pp_smu * pp)724 enum pp_smu_status pp_nv_set_pme_wa_enable(struct pp_smu *pp)
725 {
726 	const struct dc_context *ctx = pp->dm;
727 	struct amdgpu_device *adev = ctx->driver_context;
728 	struct smu_context *smu = &adev->smu;
729 
730 	if (!smu->funcs)
731 		return PP_SMU_RESULT_UNSUPPORTED;
732 
733 	/* 0: successful or smu.funcs->set_azalia_d3_pme = NULL;  1: fail */
734 	if (smu_set_azalia_d3_pme(smu))
735 		return PP_SMU_RESULT_FAIL;
736 
737 	return PP_SMU_RESULT_OK;
738 }
739 
pp_nv_set_display_count(struct pp_smu * pp,int count)740 enum pp_smu_status pp_nv_set_display_count(struct pp_smu *pp, int count)
741 {
742 	const struct dc_context *ctx = pp->dm;
743 	struct amdgpu_device *adev = ctx->driver_context;
744 	struct smu_context *smu = &adev->smu;
745 
746 	if (!smu->funcs)
747 		return PP_SMU_RESULT_UNSUPPORTED;
748 
749 	/* 0: successful or smu.funcs->set_display_count = NULL;  1: fail */
750 	if (smu_set_display_count(smu, count))
751 		return PP_SMU_RESULT_FAIL;
752 
753 	return PP_SMU_RESULT_OK;
754 }
755 
pp_nv_set_min_deep_sleep_dcfclk(struct pp_smu * pp,int mhz)756 enum pp_smu_status pp_nv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int mhz)
757 {
758 	const struct dc_context *ctx = pp->dm;
759 	struct amdgpu_device *adev = ctx->driver_context;
760 	struct smu_context *smu = &adev->smu;
761 
762 	if (!smu->funcs)
763 		return PP_SMU_RESULT_UNSUPPORTED;
764 
765 	/* 0: successful or smu.funcs->set_deep_sleep_dcefclk = NULL;1: fail */
766 	if (smu_set_deep_sleep_dcefclk(smu, mhz))
767 		return PP_SMU_RESULT_FAIL;
768 
769 	return PP_SMU_RESULT_OK;
770 }
771 
pp_nv_set_hard_min_dcefclk_by_freq(struct pp_smu * pp,int mhz)772 enum pp_smu_status pp_nv_set_hard_min_dcefclk_by_freq(
773 		struct pp_smu *pp, int mhz)
774 {
775 	const struct dc_context *ctx = pp->dm;
776 	struct amdgpu_device *adev = ctx->driver_context;
777 	struct smu_context *smu = &adev->smu;
778 	struct pp_display_clock_request clock_req;
779 
780 	if (!smu->funcs)
781 		return PP_SMU_RESULT_UNSUPPORTED;
782 
783 	clock_req.clock_type = amd_pp_dcef_clock;
784 	clock_req.clock_freq_in_khz = mhz * 1000;
785 
786 	/* 0: successful or smu.funcs->display_clock_voltage_request = NULL
787 	 * 1: fail
788 	 */
789 	if (smu_display_clock_voltage_request(smu, &clock_req))
790 		return PP_SMU_RESULT_FAIL;
791 
792 	return PP_SMU_RESULT_OK;
793 }
794 
pp_nv_set_hard_min_uclk_by_freq(struct pp_smu * pp,int mhz)795 enum pp_smu_status pp_nv_set_hard_min_uclk_by_freq(struct pp_smu *pp, int mhz)
796 {
797 	const struct dc_context *ctx = pp->dm;
798 	struct amdgpu_device *adev = ctx->driver_context;
799 	struct smu_context *smu = &adev->smu;
800 	struct pp_display_clock_request clock_req;
801 
802 	if (!smu->funcs)
803 		return PP_SMU_RESULT_UNSUPPORTED;
804 
805 	clock_req.clock_type = amd_pp_mem_clock;
806 	clock_req.clock_freq_in_khz = mhz * 1000;
807 
808 	/* 0: successful or smu.funcs->display_clock_voltage_request = NULL
809 	 * 1: fail
810 	 */
811 	if (smu_display_clock_voltage_request(smu, &clock_req))
812 		return PP_SMU_RESULT_FAIL;
813 
814 	return PP_SMU_RESULT_OK;
815 }
816 
pp_nv_set_pstate_handshake_support(struct pp_smu * pp,BOOLEAN pstate_handshake_supported)817 enum pp_smu_status pp_nv_set_pstate_handshake_support(
818 	struct pp_smu *pp, BOOLEAN pstate_handshake_supported)
819 {
820 	const struct dc_context *ctx = pp->dm;
821 	struct amdgpu_device *adev = ctx->driver_context;
822 	struct smu_context *smu = &adev->smu;
823 
824 	if (smu_display_disable_memory_clock_switch(smu, !pstate_handshake_supported))
825 		return PP_SMU_RESULT_FAIL;
826 
827 	return PP_SMU_RESULT_OK;
828 }
829 
pp_nv_set_voltage_by_freq(struct pp_smu * pp,enum pp_smu_nv_clock_id clock_id,int mhz)830 enum pp_smu_status pp_nv_set_voltage_by_freq(struct pp_smu *pp,
831 		enum pp_smu_nv_clock_id clock_id, int mhz)
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 	struct pp_display_clock_request clock_req;
837 
838 	if (!smu->funcs)
839 		return PP_SMU_RESULT_UNSUPPORTED;
840 
841 	switch (clock_id) {
842 	case PP_SMU_NV_DISPCLK:
843 		clock_req.clock_type = amd_pp_disp_clock;
844 		break;
845 	case PP_SMU_NV_PHYCLK:
846 		clock_req.clock_type = amd_pp_phy_clock;
847 		break;
848 	case PP_SMU_NV_PIXELCLK:
849 		clock_req.clock_type = amd_pp_pixel_clock;
850 		break;
851 	default:
852 		break;
853 	}
854 	clock_req.clock_freq_in_khz = mhz * 1000;
855 
856 	/* 0: successful or smu.funcs->display_clock_voltage_request = NULL
857 	 * 1: fail
858 	 */
859 	if (smu_display_clock_voltage_request(smu, &clock_req))
860 		return PP_SMU_RESULT_FAIL;
861 
862 	return PP_SMU_RESULT_OK;
863 }
864 
pp_nv_get_maximum_sustainable_clocks(struct pp_smu * pp,struct pp_smu_nv_clock_table * max_clocks)865 enum pp_smu_status pp_nv_get_maximum_sustainable_clocks(
866 		struct pp_smu *pp, struct pp_smu_nv_clock_table *max_clocks)
867 {
868 	const struct dc_context *ctx = pp->dm;
869 	struct amdgpu_device *adev = ctx->driver_context;
870 	struct smu_context *smu = &adev->smu;
871 
872 	if (!smu->funcs)
873 		return PP_SMU_RESULT_UNSUPPORTED;
874 
875 	if (!smu->funcs->get_max_sustainable_clocks_by_dc)
876 		return PP_SMU_RESULT_UNSUPPORTED;
877 
878 	if (!smu->funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks))
879 		return PP_SMU_RESULT_OK;
880 
881 	return PP_SMU_RESULT_FAIL;
882 }
883 
pp_nv_get_uclk_dpm_states(struct pp_smu * pp,unsigned int * clock_values_in_khz,unsigned int * num_states)884 enum pp_smu_status pp_nv_get_uclk_dpm_states(struct pp_smu *pp,
885 		unsigned int *clock_values_in_khz, unsigned int *num_states)
886 {
887 	const struct dc_context *ctx = pp->dm;
888 	struct amdgpu_device *adev = ctx->driver_context;
889 	struct smu_context *smu = &adev->smu;
890 
891 	if (!smu->ppt_funcs)
892 		return PP_SMU_RESULT_UNSUPPORTED;
893 
894 	if (!smu->ppt_funcs->get_uclk_dpm_states)
895 		return PP_SMU_RESULT_UNSUPPORTED;
896 
897 	if (!smu->ppt_funcs->get_uclk_dpm_states(smu,
898 			clock_values_in_khz, num_states))
899 		return PP_SMU_RESULT_OK;
900 
901 	return PP_SMU_RESULT_FAIL;
902 }
903 
dm_pp_get_funcs(struct dc_context * ctx,struct pp_smu_funcs * funcs)904 void dm_pp_get_funcs(
905 		struct dc_context *ctx,
906 		struct pp_smu_funcs *funcs)
907 {
908 	switch (ctx->dce_version) {
909 	case DCN_VERSION_1_0:
910 	case DCN_VERSION_1_01:
911 		funcs->ctx.ver = PP_SMU_VER_RV;
912 		funcs->rv_funcs.pp_smu.dm = ctx;
913 		funcs->rv_funcs.set_wm_ranges = pp_rv_set_wm_ranges;
914 		funcs->rv_funcs.set_pme_wa_enable = pp_rv_set_pme_wa_enable;
915 		funcs->rv_funcs.set_display_count =
916 				pp_rv_set_active_display_count;
917 		funcs->rv_funcs.set_min_deep_sleep_dcfclk =
918 				pp_rv_set_min_deep_sleep_dcfclk;
919 		funcs->rv_funcs.set_hard_min_dcfclk_by_freq =
920 				pp_rv_set_hard_min_dcefclk_by_freq;
921 		funcs->rv_funcs.set_hard_min_fclk_by_freq =
922 				pp_rv_set_hard_min_fclk_by_freq;
923 		break;
924 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
925 	case DCN_VERSION_2_0:
926 		funcs->ctx.ver = PP_SMU_VER_NV;
927 		funcs->nv_funcs.pp_smu.dm = ctx;
928 		funcs->nv_funcs.set_display_count = pp_nv_set_display_count;
929 		funcs->nv_funcs.set_hard_min_dcfclk_by_freq =
930 				pp_nv_set_hard_min_dcefclk_by_freq;
931 		funcs->nv_funcs.set_min_deep_sleep_dcfclk =
932 				pp_nv_set_min_deep_sleep_dcfclk;
933 		funcs->nv_funcs.set_voltage_by_freq =
934 				pp_nv_set_voltage_by_freq;
935 		funcs->nv_funcs.set_wm_ranges = pp_nv_set_wm_ranges;
936 
937 		/* todo set_pme_wa_enable cause 4k@6ohz display not light up */
938 		funcs->nv_funcs.set_pme_wa_enable = NULL;
939 		/* todo debug waring message */
940 		funcs->nv_funcs.set_hard_min_uclk_by_freq = pp_nv_set_hard_min_uclk_by_freq;
941 		/* todo  compare data with window driver*/
942 		funcs->nv_funcs.get_maximum_sustainable_clocks = pp_nv_get_maximum_sustainable_clocks;
943 		/*todo  compare data with window driver */
944 		funcs->nv_funcs.get_uclk_dpm_states = pp_nv_get_uclk_dpm_states;
945 		funcs->nv_funcs.set_pstate_handshake_support = pp_nv_set_pstate_handshake_support;
946 		break;
947 #endif
948 	default:
949 		DRM_ERROR("smu version is not supported !\n");
950 		break;
951 	}
952 }
953