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

source code of linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c