65e33f38734130043dbdc061c57c70d9006b2e6e
[profile/ivi/kernel-x86-ivi.git] / drivers / gpu / drm / radeon / rv6xx_dpm.c
1 /*
2  * Copyright 2011 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: Alex Deucher
23  */
24
25 #include "drmP.h"
26 #include "radeon.h"
27 #include "rv6xxd.h"
28 #include "r600_dpm.h"
29 #include "rv6xx_dpm.h"
30 #include "atom.h"
31 #include <linux/seq_file.h>
32
33 static u32 rv6xx_scale_count_given_unit(struct radeon_device *rdev,
34                                         u32 unscaled_count, u32 unit);
35
36 static struct rv6xx_ps *rv6xx_get_ps(struct radeon_ps *rps)
37 {
38         struct rv6xx_ps *ps = rps->ps_priv;
39
40         return ps;
41 }
42
43 static struct rv6xx_power_info *rv6xx_get_pi(struct radeon_device *rdev)
44 {
45         struct rv6xx_power_info *pi = rdev->pm.dpm.priv;
46
47         return pi;
48 }
49
50 static void rv6xx_force_pcie_gen1(struct radeon_device *rdev)
51 {
52         u32 tmp;
53         int i;
54
55         tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
56         tmp &= LC_GEN2_EN;
57         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
58
59         tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
60         tmp |= LC_INITIATE_LINK_SPEED_CHANGE;
61         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
62
63         for (i = 0; i < rdev->usec_timeout; i++) {
64                 if (!(RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & LC_CURRENT_DATA_RATE))
65                         break;
66                 udelay(1);
67         }
68
69         tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
70         tmp &= ~LC_INITIATE_LINK_SPEED_CHANGE;
71         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
72 }
73
74 static void rv6xx_enable_pcie_gen2_support(struct radeon_device *rdev)
75 {
76         u32 tmp;
77
78         tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
79
80         if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
81             (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
82                 tmp |= LC_GEN2_EN;
83                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
84         }
85 }
86
87 static void rv6xx_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
88                                                bool enable)
89 {
90         u32 tmp;
91
92         tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
93         if (enable)
94                 tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
95         else
96                 tmp |= LC_HW_VOLTAGE_IF_CONTROL(0);
97         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
98 }
99
100 static void rv6xx_enable_l0s(struct radeon_device *rdev)
101 {
102         u32 tmp;
103
104         tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L0S_INACTIVITY_MASK;
105         tmp |= LC_L0S_INACTIVITY(3);
106         WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
107 }
108
109 static void rv6xx_enable_l1(struct radeon_device *rdev)
110 {
111         u32 tmp;
112
113         tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL);
114         tmp &= ~LC_L1_INACTIVITY_MASK;
115         tmp |= LC_L1_INACTIVITY(4);
116         tmp &= ~LC_PMI_TO_L1_DIS;
117         tmp &= ~LC_ASPM_TO_L1_DIS;
118         WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
119 }
120
121 static void rv6xx_enable_pll_sleep_in_l1(struct radeon_device *rdev)
122 {
123         u32 tmp;
124
125         tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L1_INACTIVITY_MASK;
126         tmp |= LC_L1_INACTIVITY(8);
127         WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
128
129         /* NOTE, this is a PCIE indirect reg, not PCIE PORT */
130         tmp = RREG32_PCIE(PCIE_P_CNTL);
131         tmp |= P_PLL_PWRDN_IN_L1L23;
132         tmp &= ~P_PLL_BUF_PDNB;
133         tmp &= ~P_PLL_PDNB;
134         tmp |= P_ALLOW_PRX_FRONTEND_SHUTOFF;
135         WREG32_PCIE(PCIE_P_CNTL, tmp);
136 }
137
138 static int rv6xx_convert_clock_to_stepping(struct radeon_device *rdev,
139                                            u32 clock, struct rv6xx_sclk_stepping *step)
140 {
141         int ret;
142         struct atom_clock_dividers dividers;
143
144         ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
145                                              clock, false, &dividers);
146         if (ret)
147                 return ret;
148
149         if (dividers.enable_post_div)
150                 step->post_divider = 2 + (dividers.post_div & 0xF) + (dividers.post_div >> 4);
151         else
152                 step->post_divider = 1;
153
154         step->vco_frequency = clock * step->post_divider;
155
156         return 0;
157 }
158
159 static void rv6xx_output_stepping(struct radeon_device *rdev,
160                                   u32 step_index, struct rv6xx_sclk_stepping *step)
161 {
162         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
163         u32 ref_clk = rdev->clock.spll.reference_freq;
164         u32 fb_divider;
165         u32 spll_step_count = rv6xx_scale_count_given_unit(rdev,
166                                                            R600_SPLLSTEPTIME_DFLT *
167                                                            pi->spll_ref_div,
168                                                            R600_SPLLSTEPUNIT_DFLT);
169
170         r600_engine_clock_entry_enable(rdev, step_index, true);
171         r600_engine_clock_entry_enable_pulse_skipping(rdev, step_index, false);
172
173         if (step->post_divider == 1)
174                 r600_engine_clock_entry_enable_post_divider(rdev, step_index, false);
175         else {
176                 u32 lo_len = (step->post_divider - 2) / 2;
177                 u32 hi_len = step->post_divider - 2 - lo_len;
178
179                 r600_engine_clock_entry_enable_post_divider(rdev, step_index, true);
180                 r600_engine_clock_entry_set_post_divider(rdev, step_index, (hi_len << 4) | lo_len);
181         }
182
183         fb_divider = ((step->vco_frequency * pi->spll_ref_div) / ref_clk) >>
184                 pi->fb_div_scale;
185
186         r600_engine_clock_entry_set_reference_divider(rdev, step_index,
187                                                       pi->spll_ref_div - 1);
188         r600_engine_clock_entry_set_feedback_divider(rdev, step_index, fb_divider);
189         r600_engine_clock_entry_set_step_time(rdev, step_index, spll_step_count);
190
191 }
192
193 static struct rv6xx_sclk_stepping rv6xx_next_vco_step(struct radeon_device *rdev,
194                                                       struct rv6xx_sclk_stepping *cur,
195                                                       bool increasing_vco, u32 step_size)
196 {
197         struct rv6xx_sclk_stepping next;
198
199         next.post_divider = cur->post_divider;
200
201         if (increasing_vco)
202                 next.vco_frequency = (cur->vco_frequency * (100 + step_size)) / 100;
203         else
204                 next.vco_frequency = (cur->vco_frequency * 100 + 99 + step_size) / (100 + step_size);
205
206         return next;
207 }
208
209 static bool rv6xx_can_step_post_div(struct radeon_device *rdev,
210                                     struct rv6xx_sclk_stepping *cur,
211                                     struct rv6xx_sclk_stepping *target)
212 {
213         return (cur->post_divider > target->post_divider) &&
214                 ((cur->vco_frequency * target->post_divider) <=
215                  (target->vco_frequency * (cur->post_divider - 1)));
216 }
217
218 static struct rv6xx_sclk_stepping rv6xx_next_post_div_step(struct radeon_device *rdev,
219                                                            struct rv6xx_sclk_stepping *cur,
220                                                            struct rv6xx_sclk_stepping *target)
221 {
222         struct rv6xx_sclk_stepping next = *cur;
223
224         while (rv6xx_can_step_post_div(rdev, &next, target))
225                 next.post_divider--;
226
227         return next;
228 }
229
230 static bool rv6xx_reached_stepping_target(struct radeon_device *rdev,
231                                           struct rv6xx_sclk_stepping *cur,
232                                           struct rv6xx_sclk_stepping *target,
233                                           bool increasing_vco)
234 {
235         return (increasing_vco && (cur->vco_frequency >= target->vco_frequency)) ||
236                 (!increasing_vco && (cur->vco_frequency <= target->vco_frequency));
237 }
238
239 static void rv6xx_generate_steps(struct radeon_device *rdev,
240                                  u32 low, u32 high,
241                                  u32 start_index, u8 *end_index)
242 {
243         struct rv6xx_sclk_stepping cur;
244         struct rv6xx_sclk_stepping target;
245         bool increasing_vco;
246         u32 step_index = start_index;
247
248         rv6xx_convert_clock_to_stepping(rdev, low, &cur);
249         rv6xx_convert_clock_to_stepping(rdev, high, &target);
250
251         rv6xx_output_stepping(rdev, step_index++, &cur);
252
253         increasing_vco = (target.vco_frequency >= cur.vco_frequency);
254
255         if (target.post_divider > cur.post_divider)
256                 cur.post_divider = target.post_divider;
257
258         while (1) {
259                 struct rv6xx_sclk_stepping next;
260
261                 if (rv6xx_can_step_post_div(rdev, &cur, &target))
262                         next = rv6xx_next_post_div_step(rdev, &cur, &target);
263                 else
264                         next = rv6xx_next_vco_step(rdev, &cur, increasing_vco, R600_VCOSTEPPCT_DFLT);
265
266                 if (rv6xx_reached_stepping_target(rdev, &next, &target, increasing_vco)) {
267                         struct rv6xx_sclk_stepping tiny =
268                                 rv6xx_next_vco_step(rdev, &target, !increasing_vco, R600_ENDINGVCOSTEPPCT_DFLT);
269                         tiny.post_divider = next.post_divider;
270
271                         if (!rv6xx_reached_stepping_target(rdev, &tiny, &cur, !increasing_vco))
272                                 rv6xx_output_stepping(rdev, step_index++, &tiny);
273
274                         if ((next.post_divider != target.post_divider) &&
275                             (next.vco_frequency != target.vco_frequency)) {
276                                 struct rv6xx_sclk_stepping final_vco;
277
278                                 final_vco.vco_frequency = target.vco_frequency;
279                                 final_vco.post_divider = next.post_divider;
280
281                                 rv6xx_output_stepping(rdev, step_index++, &final_vco);
282                         }
283
284                         rv6xx_output_stepping(rdev, step_index++, &target);
285                         break;
286                 } else
287                         rv6xx_output_stepping(rdev, step_index++, &next);
288
289                 cur = next;
290         }
291
292         *end_index = (u8)step_index - 1;
293
294 }
295
296 static void rv6xx_generate_single_step(struct radeon_device *rdev,
297                                        u32 clock, u32 index)
298 {
299         struct rv6xx_sclk_stepping step;
300
301         rv6xx_convert_clock_to_stepping(rdev, clock, &step);
302         rv6xx_output_stepping(rdev, index, &step);
303 }
304
305 static void rv6xx_invalidate_intermediate_steps_range(struct radeon_device *rdev,
306                                                       u32 start_index, u32 end_index)
307 {
308         u32 step_index;
309
310         for (step_index = start_index + 1; step_index < end_index; step_index++)
311                 r600_engine_clock_entry_enable(rdev, step_index, false);
312 }
313
314 static void rv6xx_set_engine_spread_spectrum_clk_s(struct radeon_device *rdev,
315                                                    u32 index, u32 clk_s)
316 {
317         WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
318                  CLKS(clk_s), ~CLKS_MASK);
319 }
320
321 static void rv6xx_set_engine_spread_spectrum_clk_v(struct radeon_device *rdev,
322                                                    u32 index, u32 clk_v)
323 {
324         WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
325                  CLKV(clk_v), ~CLKV_MASK);
326 }
327
328 static void rv6xx_enable_engine_spread_spectrum(struct radeon_device *rdev,
329                                                 u32 index, bool enable)
330 {
331         if (enable)
332                 WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
333                          SSEN, ~SSEN);
334         else
335                 WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
336                          0, ~SSEN);
337 }
338
339 static void rv6xx_set_memory_spread_spectrum_clk_s(struct radeon_device *rdev,
340                                                    u32 clk_s)
341 {
342         WREG32_P(CG_MPLL_SPREAD_SPECTRUM, CLKS(clk_s), ~CLKS_MASK);
343 }
344
345 static void rv6xx_set_memory_spread_spectrum_clk_v(struct radeon_device *rdev,
346                                                    u32 clk_v)
347 {
348         WREG32_P(CG_MPLL_SPREAD_SPECTRUM, CLKV(clk_v), ~CLKV_MASK);
349 }
350
351 static void rv6xx_enable_memory_spread_spectrum(struct radeon_device *rdev,
352                                                 bool enable)
353 {
354         if (enable)
355                 WREG32_P(CG_MPLL_SPREAD_SPECTRUM, SSEN, ~SSEN);
356         else
357                 WREG32_P(CG_MPLL_SPREAD_SPECTRUM, 0, ~SSEN);
358 }
359
360 static void rv6xx_enable_dynamic_spread_spectrum(struct radeon_device *rdev,
361                                                  bool enable)
362 {
363         if (enable)
364                 WREG32_P(GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, ~DYN_SPREAD_SPECTRUM_EN);
365         else
366                 WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN);
367 }
368
369 static void rv6xx_memory_clock_entry_enable_post_divider(struct radeon_device *rdev,
370                                                          u32 index, bool enable)
371 {
372         if (enable)
373                 WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
374                          LEVEL0_MPLL_DIV_EN, ~LEVEL0_MPLL_DIV_EN);
375         else
376                 WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4), 0, ~LEVEL0_MPLL_DIV_EN);
377 }
378
379 static void rv6xx_memory_clock_entry_set_post_divider(struct radeon_device *rdev,
380                                                       u32 index, u32 divider)
381 {
382         WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
383                  LEVEL0_MPLL_POST_DIV(divider), ~LEVEL0_MPLL_POST_DIV_MASK);
384 }
385
386 static void rv6xx_memory_clock_entry_set_feedback_divider(struct radeon_device *rdev,
387                                                           u32 index, u32 divider)
388 {
389         WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4), LEVEL0_MPLL_FB_DIV(divider),
390                  ~LEVEL0_MPLL_FB_DIV_MASK);
391 }
392
393 static void rv6xx_memory_clock_entry_set_reference_divider(struct radeon_device *rdev,
394                                                            u32 index, u32 divider)
395 {
396         WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
397                  LEVEL0_MPLL_REF_DIV(divider), ~LEVEL0_MPLL_REF_DIV_MASK);
398 }
399
400 static void rv6xx_vid_response_set_brt(struct radeon_device *rdev, u32 rt)
401 {
402         WREG32_P(VID_RT, BRT(rt), ~BRT_MASK);
403 }
404
405 static void rv6xx_enable_engine_feedback_and_reference_sync(struct radeon_device *rdev)
406 {
407         WREG32_P(SPLL_CNTL_MODE, SPLL_DIV_SYNC, ~SPLL_DIV_SYNC);
408 }
409
410 static u64 rv6xx_clocks_per_unit(u32 unit)
411 {
412         u64 tmp = 1 << (2 * unit);
413
414         return tmp;
415 }
416
417 static u32 rv6xx_scale_count_given_unit(struct radeon_device *rdev,
418                                         u32 unscaled_count, u32 unit)
419 {
420         u32 count_per_unit = (u32)rv6xx_clocks_per_unit(unit);
421
422         return (unscaled_count + count_per_unit - 1) / count_per_unit;
423 }
424
425 static u32 rv6xx_compute_count_for_delay(struct radeon_device *rdev,
426                                          u32 delay_us, u32 unit)
427 {
428         u32 ref_clk = rdev->clock.spll.reference_freq;
429
430         return rv6xx_scale_count_given_unit(rdev, delay_us * (ref_clk / 100), unit);
431 }
432
433 static void rv6xx_calculate_engine_speed_stepping_parameters(struct radeon_device *rdev,
434                                                              struct rv6xx_ps *state)
435 {
436         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
437
438         pi->hw.sclks[R600_POWER_LEVEL_LOW] =
439                 state->low.sclk;
440         pi->hw.sclks[R600_POWER_LEVEL_MEDIUM] =
441                 state->medium.sclk;
442         pi->hw.sclks[R600_POWER_LEVEL_HIGH] =
443                 state->high.sclk;
444
445         pi->hw.low_sclk_index = R600_POWER_LEVEL_LOW;
446         pi->hw.medium_sclk_index = R600_POWER_LEVEL_MEDIUM;
447         pi->hw.high_sclk_index = R600_POWER_LEVEL_HIGH;
448 }
449
450 static void rv6xx_calculate_memory_clock_stepping_parameters(struct radeon_device *rdev,
451                                                              struct rv6xx_ps *state)
452 {
453         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
454
455         pi->hw.mclks[R600_POWER_LEVEL_CTXSW] =
456                 state->high.mclk;
457         pi->hw.mclks[R600_POWER_LEVEL_HIGH] =
458                 state->high.mclk;
459         pi->hw.mclks[R600_POWER_LEVEL_MEDIUM] =
460                 state->medium.mclk;
461         pi->hw.mclks[R600_POWER_LEVEL_LOW] =
462                 state->low.mclk;
463
464         pi->hw.high_mclk_index = R600_POWER_LEVEL_HIGH;
465
466         if (state->high.mclk == state->medium.mclk)
467                 pi->hw.medium_mclk_index =
468                         pi->hw.high_mclk_index;
469         else
470                 pi->hw.medium_mclk_index = R600_POWER_LEVEL_MEDIUM;
471
472
473         if (state->medium.mclk == state->low.mclk)
474                 pi->hw.low_mclk_index =
475                         pi->hw.medium_mclk_index;
476         else
477                 pi->hw.low_mclk_index = R600_POWER_LEVEL_LOW;
478 }
479
480 static void rv6xx_calculate_voltage_stepping_parameters(struct radeon_device *rdev,
481                                                         struct rv6xx_ps *state)
482 {
483         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
484
485         pi->hw.vddc[R600_POWER_LEVEL_CTXSW] = state->high.vddc;
486         pi->hw.vddc[R600_POWER_LEVEL_HIGH] = state->high.vddc;
487         pi->hw.vddc[R600_POWER_LEVEL_MEDIUM] = state->medium.vddc;
488         pi->hw.vddc[R600_POWER_LEVEL_LOW] = state->low.vddc;
489
490         pi->hw.backbias[R600_POWER_LEVEL_CTXSW] =
491                 (state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
492         pi->hw.backbias[R600_POWER_LEVEL_HIGH] =
493                 (state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
494         pi->hw.backbias[R600_POWER_LEVEL_MEDIUM] =
495                 (state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
496         pi->hw.backbias[R600_POWER_LEVEL_LOW] =
497                 (state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
498
499         pi->hw.pcie_gen2[R600_POWER_LEVEL_HIGH] =
500                 (state->high.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
501         pi->hw.pcie_gen2[R600_POWER_LEVEL_MEDIUM] =
502                 (state->medium.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
503         pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW] =
504                 (state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
505
506         pi->hw.high_vddc_index = R600_POWER_LEVEL_HIGH;
507
508         if ((state->high.vddc == state->medium.vddc) &&
509             ((state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ==
510              (state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE)))
511                 pi->hw.medium_vddc_index =
512                         pi->hw.high_vddc_index;
513         else
514                 pi->hw.medium_vddc_index = R600_POWER_LEVEL_MEDIUM;
515
516         if ((state->medium.vddc == state->low.vddc) &&
517             ((state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ==
518              (state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE)))
519                 pi->hw.low_vddc_index =
520                         pi->hw.medium_vddc_index;
521         else
522                 pi->hw.medium_vddc_index = R600_POWER_LEVEL_LOW;
523 }
524
525 static inline u32 rv6xx_calculate_vco_frequency(u32 ref_clock,
526                                                 struct atom_clock_dividers *dividers,
527                                                 u32 fb_divider_scale)
528 {
529         return ref_clock * ((dividers->fb_div & ~1) << fb_divider_scale) /
530                 (dividers->ref_div + 1);
531 }
532
533 static inline u32 rv6xx_calculate_spread_spectrum_clk_v(u32 vco_freq, u32 ref_freq,
534                                                         u32 ss_rate, u32 ss_percent,
535                                                         u32 fb_divider_scale)
536 {
537         u32 fb_divider = vco_freq / ref_freq;
538
539         return (ss_percent * ss_rate * 4 * (fb_divider * fb_divider) /
540                 (5375 * ((vco_freq * 10) / (4096 >> fb_divider_scale))));
541 }
542
543 static inline u32 rv6xx_calculate_spread_spectrum_clk_s(u32 ss_rate, u32 ref_freq)
544 {
545         return (((ref_freq * 10) / (ss_rate * 2)) - 1) / 4;
546 }
547
548 static void rv6xx_program_engine_spread_spectrum(struct radeon_device *rdev,
549                                                  u32 clock, enum r600_power_level level)
550 {
551         u32 ref_clk = rdev->clock.spll.reference_freq;
552         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
553         struct atom_clock_dividers dividers;
554         struct radeon_atom_ss ss;
555         u32 vco_freq, clk_v, clk_s;
556
557         rv6xx_enable_engine_spread_spectrum(rdev, level, false);
558
559         if (clock && pi->sclk_ss) {
560                 if (radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, clock, false, &dividers) == 0) {
561                         vco_freq = rv6xx_calculate_vco_frequency(ref_clk, &dividers,
562                                                                  pi->fb_div_scale);
563
564                         if (radeon_atombios_get_asic_ss_info(rdev, &ss,
565                                                              ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
566                                 clk_v = rv6xx_calculate_spread_spectrum_clk_v(vco_freq,
567                                                                               (ref_clk / (dividers.ref_div + 1)),
568                                                                               ss.rate,
569                                                                               ss.percentage,
570                                                                               pi->fb_div_scale);
571
572                                 clk_s = rv6xx_calculate_spread_spectrum_clk_s(ss.rate,
573                                                                               (ref_clk / (dividers.ref_div + 1)));
574
575                                 rv6xx_set_engine_spread_spectrum_clk_v(rdev, level, clk_v);
576                                 rv6xx_set_engine_spread_spectrum_clk_s(rdev, level, clk_s);
577                                 rv6xx_enable_engine_spread_spectrum(rdev, level, true);
578                         }
579                 }
580         }
581 }
582
583 static void rv6xx_program_sclk_spread_spectrum_parameters_except_lowest_entry(struct radeon_device *rdev)
584 {
585         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
586
587         rv6xx_program_engine_spread_spectrum(rdev,
588                                              pi->hw.sclks[R600_POWER_LEVEL_HIGH],
589                                              R600_POWER_LEVEL_HIGH);
590
591         rv6xx_program_engine_spread_spectrum(rdev,
592                                              pi->hw.sclks[R600_POWER_LEVEL_MEDIUM],
593                                              R600_POWER_LEVEL_MEDIUM);
594
595 }
596
597 static int rv6xx_program_mclk_stepping_entry(struct radeon_device *rdev,
598                                              u32 entry, u32 clock)
599 {
600         struct atom_clock_dividers dividers;
601
602         if (radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM, clock, false, &dividers))
603             return -EINVAL;
604
605
606         rv6xx_memory_clock_entry_set_reference_divider(rdev, entry, dividers.ref_div);
607         rv6xx_memory_clock_entry_set_feedback_divider(rdev, entry, dividers.fb_div);
608         rv6xx_memory_clock_entry_set_post_divider(rdev, entry, dividers.post_div);
609
610         if (dividers.enable_post_div)
611                 rv6xx_memory_clock_entry_enable_post_divider(rdev, entry, true);
612         else
613                 rv6xx_memory_clock_entry_enable_post_divider(rdev, entry, false);
614
615         return 0;
616 }
617
618 static void rv6xx_program_mclk_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
619 {
620         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
621         int i;
622
623         for (i = 1; i < R600_PM_NUMBER_OF_MCLKS; i++) {
624                 if (pi->hw.mclks[i])
625                         rv6xx_program_mclk_stepping_entry(rdev, i,
626                                                           pi->hw.mclks[i]);
627         }
628 }
629
630 static void rv6xx_find_memory_clock_with_highest_vco(struct radeon_device *rdev,
631                                                      u32 requested_memory_clock,
632                                                      u32 ref_clk,
633                                                      struct atom_clock_dividers *dividers,
634                                                      u32 *vco_freq)
635 {
636         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
637         struct atom_clock_dividers req_dividers;
638         u32 vco_freq_temp;
639
640         if (radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
641                                            requested_memory_clock, false, &req_dividers) == 0) {
642                 vco_freq_temp = rv6xx_calculate_vco_frequency(ref_clk, &req_dividers,
643                                                               pi->fb_div_scale);
644
645                 if (vco_freq_temp > *vco_freq) {
646                         *dividers = req_dividers;
647                         *vco_freq = vco_freq_temp;
648                 }
649         }
650 }
651
652 static void rv6xx_program_mclk_spread_spectrum_parameters(struct radeon_device *rdev)
653 {
654         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
655         u32 ref_clk = rdev->clock.mpll.reference_freq;
656         struct atom_clock_dividers dividers;
657         struct radeon_atom_ss ss;
658         u32 vco_freq = 0, clk_v, clk_s;
659
660         rv6xx_enable_memory_spread_spectrum(rdev, false);
661
662         if (pi->mclk_ss) {
663                 rv6xx_find_memory_clock_with_highest_vco(rdev,
664                                                          pi->hw.mclks[pi->hw.high_mclk_index],
665                                                          ref_clk,
666                                                          &dividers,
667                                                          &vco_freq);
668
669                 rv6xx_find_memory_clock_with_highest_vco(rdev,
670                                                          pi->hw.mclks[pi->hw.medium_mclk_index],
671                                                          ref_clk,
672                                                          &dividers,
673                                                          &vco_freq);
674
675                 rv6xx_find_memory_clock_with_highest_vco(rdev,
676                                                          pi->hw.mclks[pi->hw.low_mclk_index],
677                                                          ref_clk,
678                                                          &dividers,
679                                                          &vco_freq);
680
681                 if (vco_freq) {
682                         if (radeon_atombios_get_asic_ss_info(rdev, &ss,
683                                                              ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
684                                 clk_v = rv6xx_calculate_spread_spectrum_clk_v(vco_freq,
685                                                                              (ref_clk / (dividers.ref_div + 1)),
686                                                                              ss.rate,
687                                                                              ss.percentage,
688                                                                              pi->fb_div_scale);
689
690                                 clk_s = rv6xx_calculate_spread_spectrum_clk_s(ss.rate,
691                                                                              (ref_clk / (dividers.ref_div + 1)));
692
693                                 rv6xx_set_memory_spread_spectrum_clk_v(rdev, clk_v);
694                                 rv6xx_set_memory_spread_spectrum_clk_s(rdev, clk_s);
695                                 rv6xx_enable_memory_spread_spectrum(rdev, true);
696                         }
697                 }
698         }
699 }
700
701 static int rv6xx_program_voltage_stepping_entry(struct radeon_device *rdev,
702                                                 u32 entry, u16 voltage)
703 {
704         u32 mask, set_pins;
705         int ret;
706
707         ret = radeon_atom_get_voltage_gpio_settings(rdev, voltage,
708                                                     SET_VOLTAGE_TYPE_ASIC_VDDC,
709                                                     &set_pins, &mask);
710         if (ret)
711                 return ret;
712
713         r600_voltage_control_program_voltages(rdev, entry, set_pins);
714
715         return 0;
716 }
717
718 static void rv6xx_program_voltage_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
719 {
720         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
721         int i;
722
723         for (i = 1; i < R600_PM_NUMBER_OF_VOLTAGE_LEVELS; i++)
724                 rv6xx_program_voltage_stepping_entry(rdev, i,
725                                                      pi->hw.vddc[i]);
726
727 }
728
729 static void rv6xx_program_backbias_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
730 {
731         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
732
733         if (pi->hw.backbias[1])
734                 WREG32_P(VID_UPPER_GPIO_CNTL, MEDIUM_BACKBIAS_VALUE, ~MEDIUM_BACKBIAS_VALUE);
735         else
736                 WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~MEDIUM_BACKBIAS_VALUE);
737
738         if (pi->hw.backbias[2])
739                 WREG32_P(VID_UPPER_GPIO_CNTL, HIGH_BACKBIAS_VALUE, ~HIGH_BACKBIAS_VALUE);
740         else
741                 WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~HIGH_BACKBIAS_VALUE);
742 }
743
744 static void rv6xx_program_sclk_spread_spectrum_parameters_lowest_entry(struct radeon_device *rdev)
745 {
746         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
747
748         rv6xx_program_engine_spread_spectrum(rdev,
749                                              pi->hw.sclks[R600_POWER_LEVEL_LOW],
750                                              R600_POWER_LEVEL_LOW);
751 }
752
753 static void rv6xx_program_mclk_stepping_parameters_lowest_entry(struct radeon_device *rdev)
754 {
755         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
756
757         if (pi->hw.mclks[0])
758                 rv6xx_program_mclk_stepping_entry(rdev, 0,
759                                                   pi->hw.mclks[0]);
760 }
761
762 static void rv6xx_program_voltage_stepping_parameters_lowest_entry(struct radeon_device *rdev)
763 {
764         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
765
766         rv6xx_program_voltage_stepping_entry(rdev, 0,
767                                              pi->hw.vddc[0]);
768
769 }
770
771 static void rv6xx_program_backbias_stepping_parameters_lowest_entry(struct radeon_device *rdev)
772 {
773         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
774
775         if (pi->hw.backbias[0])
776                 WREG32_P(VID_UPPER_GPIO_CNTL, LOW_BACKBIAS_VALUE, ~LOW_BACKBIAS_VALUE);
777         else
778                 WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~LOW_BACKBIAS_VALUE);
779 }
780
781 static u32 calculate_memory_refresh_rate(struct radeon_device *rdev,
782                                          u32 engine_clock)
783 {
784         u32 dram_rows, dram_refresh_rate;
785         u32 tmp;
786
787         tmp = (RREG32(RAMCFG) & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
788         dram_rows = 1 << (tmp + 10);
789         dram_refresh_rate = 1 << ((RREG32(MC_SEQ_RESERVE_M) & 0x3) + 3);
790
791         return ((engine_clock * 10) * dram_refresh_rate / dram_rows - 32) / 64;
792 }
793
794 static void rv6xx_program_memory_timing_parameters(struct radeon_device *rdev)
795 {
796         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
797         u32 sqm_ratio;
798         u32 arb_refresh_rate;
799         u32 high_clock;
800
801         if (pi->hw.sclks[R600_POWER_LEVEL_HIGH] <
802             (pi->hw.sclks[R600_POWER_LEVEL_LOW] * 0xFF / 0x40))
803                 high_clock = pi->hw.sclks[R600_POWER_LEVEL_HIGH];
804         else
805                 high_clock =
806                         pi->hw.sclks[R600_POWER_LEVEL_LOW] * 0xFF / 0x40;
807
808         radeon_atom_set_engine_dram_timings(rdev, high_clock, 0);
809
810         sqm_ratio = (STATE0(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_LOW]) |
811                      STATE1(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_MEDIUM]) |
812                      STATE2(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_HIGH]) |
813                      STATE3(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_HIGH]));
814         WREG32(SQM_RATIO, sqm_ratio);
815
816         arb_refresh_rate =
817                 (POWERMODE0(calculate_memory_refresh_rate(rdev,
818                                                           pi->hw.sclks[R600_POWER_LEVEL_LOW])) |
819                  POWERMODE1(calculate_memory_refresh_rate(rdev,
820                                                           pi->hw.sclks[R600_POWER_LEVEL_MEDIUM])) |
821                  POWERMODE2(calculate_memory_refresh_rate(rdev,
822                                                           pi->hw.sclks[R600_POWER_LEVEL_MEDIUM])) |
823                  POWERMODE3(calculate_memory_refresh_rate(rdev,
824                                                           pi->hw.sclks[R600_POWER_LEVEL_HIGH])));
825         WREG32(ARB_RFSH_RATE, arb_refresh_rate);
826 }
827
828 static void rv6xx_program_mpll_timing_parameters(struct radeon_device *rdev)
829 {
830         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
831
832         r600_set_mpll_lock_time(rdev, R600_MPLLLOCKTIME_DFLT *
833                                 pi->mpll_ref_div);
834         r600_set_mpll_reset_time(rdev, R600_MPLLRESETTIME_DFLT);
835 }
836
837 static void rv6xx_program_bsp(struct radeon_device *rdev)
838 {
839         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
840         u32 ref_clk = rdev->clock.spll.reference_freq;
841
842         r600_calculate_u_and_p(R600_ASI_DFLT,
843                                ref_clk, 16,
844                                &pi->bsp,
845                                &pi->bsu);
846
847         r600_set_bsp(rdev, pi->bsu, pi->bsp);
848 }
849
850 static void rv6xx_program_at(struct radeon_device *rdev)
851 {
852         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
853
854         r600_set_at(rdev,
855                     (pi->hw.rp[0] * pi->bsp) / 200,
856                     (pi->hw.rp[1] * pi->bsp) / 200,
857                     (pi->hw.lp[2] * pi->bsp) / 200,
858                     (pi->hw.lp[1] * pi->bsp) / 200);
859 }
860
861 static void rv6xx_program_git(struct radeon_device *rdev)
862 {
863         r600_set_git(rdev, R600_GICST_DFLT);
864 }
865
866 static void rv6xx_program_tp(struct radeon_device *rdev)
867 {
868         int i;
869
870         for (i = 0; i < R600_PM_NUMBER_OF_TC; i++)
871                 r600_set_tc(rdev, i, r600_utc[i], r600_dtc[i]);
872
873         r600_select_td(rdev, R600_TD_DFLT);
874 }
875
876 static void rv6xx_program_vc(struct radeon_device *rdev)
877 {
878         r600_set_vrc(rdev, R600_VRC_DFLT);
879 }
880
881 static void rv6xx_clear_vc(struct radeon_device *rdev)
882 {
883         r600_set_vrc(rdev, 0);
884 }
885
886 static void rv6xx_program_tpp(struct radeon_device *rdev)
887 {
888         r600_set_tpu(rdev, R600_TPU_DFLT);
889         r600_set_tpc(rdev, R600_TPC_DFLT);
890 }
891
892 static void rv6xx_program_sstp(struct radeon_device *rdev)
893 {
894         r600_set_sstu(rdev, R600_SSTU_DFLT);
895         r600_set_sst(rdev, R600_SST_DFLT);
896 }
897
898 static void rv6xx_program_fcp(struct radeon_device *rdev)
899 {
900         r600_set_fctu(rdev, R600_FCTU_DFLT);
901         r600_set_fct(rdev, R600_FCT_DFLT);
902 }
903
904 static void rv6xx_program_vddc3d_parameters(struct radeon_device *rdev)
905 {
906         r600_set_vddc3d_oorsu(rdev, R600_VDDC3DOORSU_DFLT);
907         r600_set_vddc3d_oorphc(rdev, R600_VDDC3DOORPHC_DFLT);
908         r600_set_vddc3d_oorsdc(rdev, R600_VDDC3DOORSDC_DFLT);
909         r600_set_ctxcgtt3d_rphc(rdev, R600_CTXCGTT3DRPHC_DFLT);
910         r600_set_ctxcgtt3d_rsdc(rdev, R600_CTXCGTT3DRSDC_DFLT);
911 }
912
913 static void rv6xx_program_voltage_timing_parameters(struct radeon_device *rdev)
914 {
915         u32 rt;
916
917         r600_vid_rt_set_vru(rdev, R600_VRU_DFLT);
918
919         r600_vid_rt_set_vrt(rdev,
920                             rv6xx_compute_count_for_delay(rdev,
921                                                           rdev->pm.dpm.voltage_response_time,
922                                                           R600_VRU_DFLT));
923
924         rt = rv6xx_compute_count_for_delay(rdev,
925                                            rdev->pm.dpm.backbias_response_time,
926                                            R600_VRU_DFLT);
927
928         rv6xx_vid_response_set_brt(rdev, (rt + 0x1F) >> 5);
929 }
930
931 static void rv6xx_program_engine_speed_parameters(struct radeon_device *rdev)
932 {
933         r600_vid_rt_set_ssu(rdev, R600_SPLLSTEPUNIT_DFLT);
934         rv6xx_enable_engine_feedback_and_reference_sync(rdev);
935 }
936
937 static u64 rv6xx_get_master_voltage_mask(struct radeon_device *rdev)
938 {
939         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
940         u64 master_mask = 0;
941         int i;
942
943         for (i = 0; i < R600_PM_NUMBER_OF_VOLTAGE_LEVELS; i++) {
944                 u32 tmp_mask, tmp_set_pins;
945                 int ret;
946
947                 ret = radeon_atom_get_voltage_gpio_settings(rdev,
948                                                             pi->hw.vddc[i],
949                                                             SET_VOLTAGE_TYPE_ASIC_VDDC,
950                                                             &tmp_set_pins, &tmp_mask);
951
952                 if (ret == 0)
953                         master_mask |= tmp_mask;
954         }
955
956         return master_mask;
957 }
958
959 static void rv6xx_program_voltage_gpio_pins(struct radeon_device *rdev)
960 {
961         r600_voltage_control_enable_pins(rdev,
962                                          rv6xx_get_master_voltage_mask(rdev));
963 }
964
965 static void rv6xx_enable_static_voltage_control(struct radeon_device *rdev,
966                                                 struct radeon_ps *new_ps,
967                                                 bool enable)
968 {
969         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
970
971         if (enable)
972                 radeon_atom_set_voltage(rdev,
973                                         new_state->low.vddc,
974                                         SET_VOLTAGE_TYPE_ASIC_VDDC);
975         else
976                 r600_voltage_control_deactivate_static_control(rdev,
977                                                                rv6xx_get_master_voltage_mask(rdev));
978 }
979
980 static void rv6xx_enable_display_gap(struct radeon_device *rdev, bool enable)
981 {
982         if (enable) {
983                 u32 tmp = (DISP1_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM) |
984                            DISP2_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM) |
985                            DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
986                            DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
987                            VBI_TIMER_COUNT(0x3FFF) |
988                            VBI_TIMER_UNIT(7));
989                 WREG32(CG_DISPLAY_GAP_CNTL, tmp);
990
991                 WREG32_P(MCLK_PWRMGT_CNTL, USE_DISPLAY_GAP, ~USE_DISPLAY_GAP);
992         } else
993                 WREG32_P(MCLK_PWRMGT_CNTL, 0, ~USE_DISPLAY_GAP);
994 }
995
996 static void rv6xx_program_power_level_enter_state(struct radeon_device *rdev)
997 {
998         r600_power_level_set_enter_index(rdev, R600_POWER_LEVEL_MEDIUM);
999 }
1000
1001 static void rv6xx_calculate_t(u32 l_f, u32 h_f, int h,
1002                               int d_l, int d_r, u8 *l, u8 *r)
1003 {
1004         int a_n, a_d, h_r, l_r;
1005
1006         h_r = d_l;
1007         l_r = 100 - d_r;
1008
1009         a_n = (int)h_f * d_l + (int)l_f * (h - d_r);
1010         a_d = (int)l_f * l_r + (int)h_f * h_r;
1011
1012         if (a_d != 0) {
1013                 *l = d_l - h_r * a_n / a_d;
1014                 *r = d_r + l_r * a_n / a_d;
1015         }
1016 }
1017
1018 static void rv6xx_calculate_ap(struct radeon_device *rdev,
1019                                struct rv6xx_ps *state)
1020 {
1021         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1022
1023         pi->hw.lp[0] = 0;
1024         pi->hw.rp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS - 1]
1025                 = 100;
1026
1027         rv6xx_calculate_t(state->low.sclk,
1028                           state->medium.sclk,
1029                           R600_AH_DFLT,
1030                           R600_LMP_DFLT,
1031                           R600_RLP_DFLT,
1032                           &pi->hw.lp[1],
1033                           &pi->hw.rp[0]);
1034
1035         rv6xx_calculate_t(state->medium.sclk,
1036                           state->high.sclk,
1037                           R600_AH_DFLT,
1038                           R600_LHP_DFLT,
1039                           R600_RMP_DFLT,
1040                           &pi->hw.lp[2],
1041                           &pi->hw.rp[1]);
1042
1043 }
1044
1045 static void rv6xx_calculate_stepping_parameters(struct radeon_device *rdev,
1046                                                 struct radeon_ps *new_ps)
1047 {
1048         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1049
1050         rv6xx_calculate_engine_speed_stepping_parameters(rdev, new_state);
1051         rv6xx_calculate_memory_clock_stepping_parameters(rdev, new_state);
1052         rv6xx_calculate_voltage_stepping_parameters(rdev, new_state);
1053         rv6xx_calculate_ap(rdev, new_state);
1054 }
1055
1056 static void rv6xx_program_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
1057 {
1058         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1059
1060         rv6xx_program_mclk_stepping_parameters_except_lowest_entry(rdev);
1061         if (pi->voltage_control)
1062                 rv6xx_program_voltage_stepping_parameters_except_lowest_entry(rdev);
1063         rv6xx_program_backbias_stepping_parameters_except_lowest_entry(rdev);
1064         rv6xx_program_sclk_spread_spectrum_parameters_except_lowest_entry(rdev);
1065         rv6xx_program_mclk_spread_spectrum_parameters(rdev);
1066         rv6xx_program_memory_timing_parameters(rdev);
1067 }
1068
1069 static void rv6xx_program_stepping_parameters_lowest_entry(struct radeon_device *rdev)
1070 {
1071         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1072
1073         rv6xx_program_mclk_stepping_parameters_lowest_entry(rdev);
1074         if (pi->voltage_control)
1075                 rv6xx_program_voltage_stepping_parameters_lowest_entry(rdev);
1076         rv6xx_program_backbias_stepping_parameters_lowest_entry(rdev);
1077         rv6xx_program_sclk_spread_spectrum_parameters_lowest_entry(rdev);
1078 }
1079
1080 static void rv6xx_program_power_level_low(struct radeon_device *rdev)
1081 {
1082         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1083
1084         r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_LOW,
1085                                            pi->hw.low_vddc_index);
1086         r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_LOW,
1087                                              pi->hw.low_mclk_index);
1088         r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_LOW,
1089                                              pi->hw.low_sclk_index);
1090         r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_LOW,
1091                                           R600_DISPLAY_WATERMARK_LOW);
1092         r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_LOW,
1093                                        pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
1094 }
1095
1096 static void rv6xx_program_power_level_low_to_lowest_state(struct radeon_device *rdev)
1097 {
1098         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1099
1100         r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_LOW, 0);
1101         r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
1102         r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
1103
1104         r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_LOW,
1105                                           R600_DISPLAY_WATERMARK_LOW);
1106
1107         r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_LOW,
1108                                        pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
1109
1110 }
1111
1112 static void rv6xx_program_power_level_medium(struct radeon_device *rdev)
1113 {
1114         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1115
1116         r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_MEDIUM,
1117                                           pi->hw.medium_vddc_index);
1118         r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
1119                                             pi->hw.medium_mclk_index);
1120         r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
1121                                             pi->hw.medium_sclk_index);
1122         r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_MEDIUM,
1123                                          R600_DISPLAY_WATERMARK_LOW);
1124         r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_MEDIUM,
1125                                       pi->hw.pcie_gen2[R600_POWER_LEVEL_MEDIUM]);
1126 }
1127
1128 static void rv6xx_program_power_level_medium_for_transition(struct radeon_device *rdev)
1129 {
1130         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1131
1132         rv6xx_program_mclk_stepping_entry(rdev,
1133                                           R600_POWER_LEVEL_CTXSW,
1134                                           pi->hw.mclks[pi->hw.low_mclk_index]);
1135
1136         r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_MEDIUM, 1);
1137
1138         r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
1139                                              R600_POWER_LEVEL_CTXSW);
1140         r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
1141                                              pi->hw.medium_sclk_index);
1142
1143         r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_MEDIUM,
1144                                           R600_DISPLAY_WATERMARK_LOW);
1145
1146         rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_MEDIUM, false);
1147
1148         r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_MEDIUM,
1149                                        pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
1150 }
1151
1152 static void rv6xx_program_power_level_high(struct radeon_device *rdev)
1153 {
1154         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1155
1156         r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_HIGH,
1157                                            pi->hw.high_vddc_index);
1158         r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_HIGH,
1159                                              pi->hw.high_mclk_index);
1160         r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_HIGH,
1161                                              pi->hw.high_sclk_index);
1162
1163         r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_HIGH,
1164                                           R600_DISPLAY_WATERMARK_HIGH);
1165
1166         r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_HIGH,
1167                                        pi->hw.pcie_gen2[R600_POWER_LEVEL_HIGH]);
1168 }
1169
1170 static void rv6xx_enable_backbias(struct radeon_device *rdev, bool enable)
1171 {
1172         if (enable)
1173                 WREG32_P(GENERAL_PWRMGT, BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL,
1174                          ~(BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL));
1175         else
1176                 WREG32_P(GENERAL_PWRMGT, 0,
1177                          ~(BACKBIAS_VALUE | BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL));
1178 }
1179
1180 static void rv6xx_program_display_gap(struct radeon_device *rdev)
1181 {
1182         u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
1183
1184         tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
1185         if (RREG32(AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
1186                 tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
1187                 tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
1188         } else if (RREG32(AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
1189                 tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
1190                 tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
1191         } else {
1192                 tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
1193                 tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
1194         }
1195         WREG32(CG_DISPLAY_GAP_CNTL, tmp);
1196 }
1197
1198 static void rv6xx_set_sw_voltage_to_safe(struct radeon_device *rdev,
1199                                          struct radeon_ps *new_ps,
1200                                          struct radeon_ps *old_ps)
1201 {
1202         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1203         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1204         u16 safe_voltage;
1205
1206         safe_voltage = (new_state->low.vddc >= old_state->low.vddc) ?
1207                 new_state->low.vddc : old_state->low.vddc;
1208
1209         rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
1210                                              safe_voltage);
1211
1212         WREG32_P(GENERAL_PWRMGT, SW_GPIO_INDEX(R600_POWER_LEVEL_CTXSW),
1213                  ~SW_GPIO_INDEX_MASK);
1214 }
1215
1216 static void rv6xx_set_sw_voltage_to_low(struct radeon_device *rdev,
1217                                         struct radeon_ps *old_ps)
1218 {
1219         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1220
1221         rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
1222                                              old_state->low.vddc);
1223
1224         WREG32_P(GENERAL_PWRMGT, SW_GPIO_INDEX(R600_POWER_LEVEL_CTXSW),
1225                 ~SW_GPIO_INDEX_MASK);
1226 }
1227
1228 static void rv6xx_set_safe_backbias(struct radeon_device *rdev,
1229                                     struct radeon_ps *new_ps,
1230                                     struct radeon_ps *old_ps)
1231 {
1232         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1233         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1234
1235         if ((new_state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) &&
1236             (old_state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE))
1237                 WREG32_P(GENERAL_PWRMGT, BACKBIAS_VALUE, ~BACKBIAS_VALUE);
1238         else
1239                 WREG32_P(GENERAL_PWRMGT, 0, ~BACKBIAS_VALUE);
1240 }
1241
1242 static void rv6xx_set_safe_pcie_gen2(struct radeon_device *rdev,
1243                                      struct radeon_ps *new_ps,
1244                                      struct radeon_ps *old_ps)
1245 {
1246         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1247         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1248
1249         if ((new_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) !=
1250             (old_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2))
1251                 rv6xx_force_pcie_gen1(rdev);
1252 }
1253
1254 static void rv6xx_enable_dynamic_voltage_control(struct radeon_device *rdev,
1255                                                  bool enable)
1256 {
1257         if (enable)
1258                 WREG32_P(GENERAL_PWRMGT, VOLT_PWRMGT_EN, ~VOLT_PWRMGT_EN);
1259         else
1260                 WREG32_P(GENERAL_PWRMGT, 0, ~VOLT_PWRMGT_EN);
1261 }
1262
1263 static void rv6xx_enable_dynamic_backbias_control(struct radeon_device *rdev,
1264                                                   bool enable)
1265 {
1266         if (enable)
1267                 WREG32_P(GENERAL_PWRMGT, BACKBIAS_DPM_CNTL, ~BACKBIAS_DPM_CNTL);
1268         else
1269                 WREG32_P(GENERAL_PWRMGT, 0, ~BACKBIAS_DPM_CNTL);
1270 }
1271
1272 static int rv6xx_step_sw_voltage(struct radeon_device *rdev,
1273                                  u16 initial_voltage,
1274                                  u16 target_voltage)
1275 {
1276         u16 current_voltage;
1277         u16 true_target_voltage;
1278         u16 voltage_step;
1279         int signed_voltage_step;
1280
1281         if ((radeon_atom_get_voltage_step(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
1282                                           &voltage_step)) ||
1283             (radeon_atom_round_to_true_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
1284                                                initial_voltage, &current_voltage)) ||
1285             (radeon_atom_round_to_true_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
1286                                                target_voltage, &true_target_voltage)))
1287                 return -EINVAL;
1288
1289         if (true_target_voltage < current_voltage)
1290                 signed_voltage_step = -(int)voltage_step;
1291         else
1292                 signed_voltage_step = voltage_step;
1293
1294         while (current_voltage != true_target_voltage) {
1295                 current_voltage += signed_voltage_step;
1296                 rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
1297                                                      current_voltage);
1298                 msleep((rdev->pm.dpm.voltage_response_time + 999) / 1000);
1299         }
1300
1301         return 0;
1302 }
1303
1304 static int rv6xx_step_voltage_if_increasing(struct radeon_device *rdev,
1305                                             struct radeon_ps *new_ps,
1306                                             struct radeon_ps *old_ps)
1307 {
1308         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1309         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1310
1311         if (new_state->low.vddc > old_state->low.vddc)
1312                 return rv6xx_step_sw_voltage(rdev,
1313                                              old_state->low.vddc,
1314                                              new_state->low.vddc);
1315
1316         return 0;
1317 }
1318
1319 static int rv6xx_step_voltage_if_decreasing(struct radeon_device *rdev,
1320                                             struct radeon_ps *new_ps,
1321                                             struct radeon_ps *old_ps)
1322 {
1323         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1324         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1325
1326         if (new_state->low.vddc < old_state->low.vddc)
1327                 return rv6xx_step_sw_voltage(rdev,
1328                                              old_state->low.vddc,
1329                                              new_state->low.vddc);
1330         else
1331                 return 0;
1332 }
1333
1334 static void rv6xx_enable_high(struct radeon_device *rdev)
1335 {
1336         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1337
1338         if ((pi->restricted_levels < 1) ||
1339             (pi->restricted_levels == 3))
1340                 r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, true);
1341 }
1342
1343 static void rv6xx_enable_medium(struct radeon_device *rdev)
1344 {
1345         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1346
1347         if (pi->restricted_levels < 2)
1348                 r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
1349 }
1350
1351 static void rv6xx_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
1352 {
1353         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1354         bool want_thermal_protection;
1355         enum radeon_dpm_event_src dpm_event_src;
1356
1357         switch (sources) {
1358         case 0:
1359         default:
1360                 want_thermal_protection = false;
1361                 break;
1362         case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
1363                 want_thermal_protection = true;
1364                 dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
1365                 break;
1366
1367         case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
1368                 want_thermal_protection = true;
1369                 dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
1370                 break;
1371
1372         case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
1373               (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
1374                 want_thermal_protection = true;
1375                 dpm_event_src = RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
1376                 break;
1377         }
1378
1379         if (want_thermal_protection) {
1380                 WREG32_P(CG_THERMAL_CTRL, DPM_EVENT_SRC(dpm_event_src), ~DPM_EVENT_SRC_MASK);
1381                 if (pi->thermal_protection)
1382                         WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
1383         } else {
1384                 WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
1385         }
1386 }
1387
1388 static void rv6xx_enable_auto_throttle_source(struct radeon_device *rdev,
1389                                               enum radeon_dpm_auto_throttle_src source,
1390                                               bool enable)
1391 {
1392         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1393
1394         if (enable) {
1395                 if (!(pi->active_auto_throttle_sources & (1 << source))) {
1396                         pi->active_auto_throttle_sources |= 1 << source;
1397                         rv6xx_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
1398                 }
1399         } else {
1400                 if (pi->active_auto_throttle_sources & (1 << source)) {
1401                         pi->active_auto_throttle_sources &= ~(1 << source);
1402                         rv6xx_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
1403                 }
1404         }
1405 }
1406
1407
1408 static void rv6xx_enable_thermal_protection(struct radeon_device *rdev,
1409                                             bool enable)
1410 {
1411         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1412
1413         if (pi->active_auto_throttle_sources)
1414                 r600_enable_thermal_protection(rdev, enable);
1415 }
1416
1417 static void rv6xx_generate_transition_stepping(struct radeon_device *rdev,
1418                                                struct radeon_ps *new_ps,
1419                                                struct radeon_ps *old_ps)
1420 {
1421         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1422         struct rv6xx_ps *old_state = rv6xx_get_ps(old_ps);
1423         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1424
1425         rv6xx_generate_steps(rdev,
1426                              old_state->low.sclk,
1427                              new_state->low.sclk,
1428                              0, &pi->hw.medium_sclk_index);
1429 }
1430
1431 static void rv6xx_generate_low_step(struct radeon_device *rdev,
1432                                     struct radeon_ps *new_ps)
1433 {
1434         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1435         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1436
1437         pi->hw.low_sclk_index = 0;
1438         rv6xx_generate_single_step(rdev,
1439                                    new_state->low.sclk,
1440                                    0);
1441 }
1442
1443 static void rv6xx_invalidate_intermediate_steps(struct radeon_device *rdev)
1444 {
1445         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1446
1447         rv6xx_invalidate_intermediate_steps_range(rdev, 0,
1448                                                   pi->hw.medium_sclk_index);
1449 }
1450
1451 static void rv6xx_generate_stepping_table(struct radeon_device *rdev,
1452                                           struct radeon_ps *new_ps)
1453 {
1454         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1455         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1456
1457         pi->hw.low_sclk_index = 0;
1458
1459         rv6xx_generate_steps(rdev,
1460                              new_state->low.sclk,
1461                              new_state->medium.sclk,
1462                              0,
1463                              &pi->hw.medium_sclk_index);
1464         rv6xx_generate_steps(rdev,
1465                              new_state->medium.sclk,
1466                              new_state->high.sclk,
1467                              pi->hw.medium_sclk_index,
1468                              &pi->hw.high_sclk_index);
1469 }
1470
1471 static void rv6xx_enable_spread_spectrum(struct radeon_device *rdev,
1472                                          bool enable)
1473 {
1474         if (enable)
1475                 rv6xx_enable_dynamic_spread_spectrum(rdev, true);
1476         else {
1477                 rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_LOW, false);
1478                 rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_MEDIUM, false);
1479                 rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_HIGH, false);
1480                 rv6xx_enable_dynamic_spread_spectrum(rdev, false);
1481                 rv6xx_enable_memory_spread_spectrum(rdev, false);
1482         }
1483 }
1484
1485 static void rv6xx_reset_lvtm_data_sync(struct radeon_device *rdev)
1486 {
1487         if (ASIC_IS_DCE3(rdev))
1488                 WREG32_P(DCE3_LVTMA_DATA_SYNCHRONIZATION, LVTMA_PFREQCHG, ~LVTMA_PFREQCHG);
1489         else
1490                 WREG32_P(LVTMA_DATA_SYNCHRONIZATION, LVTMA_PFREQCHG, ~LVTMA_PFREQCHG);
1491 }
1492
1493 static void rv6xx_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
1494                                            struct radeon_ps *new_ps,
1495                                            bool enable)
1496 {
1497         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1498
1499         if (enable) {
1500                 rv6xx_enable_bif_dynamic_pcie_gen2(rdev, true);
1501                 rv6xx_enable_pcie_gen2_support(rdev);
1502                 r600_enable_dynamic_pcie_gen2(rdev, true);
1503         } else {
1504                 if (!(new_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2))
1505                         rv6xx_force_pcie_gen1(rdev);
1506                 rv6xx_enable_bif_dynamic_pcie_gen2(rdev, false);
1507                 r600_enable_dynamic_pcie_gen2(rdev, false);
1508         }
1509 }
1510
1511 static void rv6xx_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
1512                                                      struct radeon_ps *new_ps,
1513                                                      struct radeon_ps *old_ps)
1514 {
1515         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1516         struct rv6xx_ps *current_state = rv6xx_get_ps(old_ps);
1517
1518         if ((new_ps->vclk == old_ps->vclk) &&
1519             (new_ps->dclk == old_ps->dclk))
1520                 return;
1521
1522         if (new_state->high.sclk >= current_state->high.sclk)
1523                 return;
1524
1525         radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
1526 }
1527
1528 static void rv6xx_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
1529                                                     struct radeon_ps *new_ps,
1530                                                     struct radeon_ps *old_ps)
1531 {
1532         struct rv6xx_ps *new_state = rv6xx_get_ps(new_ps);
1533         struct rv6xx_ps *current_state = rv6xx_get_ps(old_ps);
1534
1535         if ((new_ps->vclk == old_ps->vclk) &&
1536             (new_ps->dclk == old_ps->dclk))
1537                 return;
1538
1539         if (new_state->high.sclk < current_state->high.sclk)
1540                 return;
1541
1542         radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
1543 }
1544
1545 int rv6xx_dpm_enable(struct radeon_device *rdev)
1546 {
1547         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1548         struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
1549         int ret;
1550
1551         if (r600_dynamicpm_enabled(rdev))
1552                 return -EINVAL;
1553
1554         if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
1555                 rv6xx_enable_backbias(rdev, true);
1556
1557         if (pi->dynamic_ss)
1558                 rv6xx_enable_spread_spectrum(rdev, true);
1559
1560         rv6xx_program_mpll_timing_parameters(rdev);
1561         rv6xx_program_bsp(rdev);
1562         rv6xx_program_git(rdev);
1563         rv6xx_program_tp(rdev);
1564         rv6xx_program_tpp(rdev);
1565         rv6xx_program_sstp(rdev);
1566         rv6xx_program_fcp(rdev);
1567         rv6xx_program_vddc3d_parameters(rdev);
1568         rv6xx_program_voltage_timing_parameters(rdev);
1569         rv6xx_program_engine_speed_parameters(rdev);
1570
1571         rv6xx_enable_display_gap(rdev, true);
1572         if (pi->display_gap == false)
1573                 rv6xx_enable_display_gap(rdev, false);
1574
1575         rv6xx_program_power_level_enter_state(rdev);
1576
1577         rv6xx_calculate_stepping_parameters(rdev, boot_ps);
1578
1579         if (pi->voltage_control)
1580                 rv6xx_program_voltage_gpio_pins(rdev);
1581
1582         rv6xx_generate_stepping_table(rdev, boot_ps);
1583
1584         rv6xx_program_stepping_parameters_except_lowest_entry(rdev);
1585         rv6xx_program_stepping_parameters_lowest_entry(rdev);
1586
1587         rv6xx_program_power_level_low(rdev);
1588         rv6xx_program_power_level_medium(rdev);
1589         rv6xx_program_power_level_high(rdev);
1590         rv6xx_program_vc(rdev);
1591         rv6xx_program_at(rdev);
1592
1593         r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
1594         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
1595         r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, true);
1596
1597         if (rdev->irq.installed &&
1598             r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1599                 ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
1600                 if (ret)
1601                         return ret;
1602                 rdev->irq.dpm_thermal = true;
1603                 radeon_irq_set(rdev);
1604         }
1605
1606         rv6xx_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
1607
1608         r600_start_dpm(rdev);
1609
1610         if (pi->voltage_control)
1611                 rv6xx_enable_static_voltage_control(rdev, boot_ps, false);
1612
1613         if (pi->dynamic_pcie_gen2)
1614                 rv6xx_enable_dynamic_pcie_gen2(rdev, boot_ps, true);
1615
1616         if (pi->gfx_clock_gating)
1617                 r600_gfx_clockgating_enable(rdev, true);
1618
1619         return 0;
1620 }
1621
1622 void rv6xx_dpm_disable(struct radeon_device *rdev)
1623 {
1624         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1625         struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
1626
1627         if (!r600_dynamicpm_enabled(rdev))
1628                 return;
1629
1630         r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
1631         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
1632         rv6xx_enable_display_gap(rdev, false);
1633         rv6xx_clear_vc(rdev);
1634         r600_set_at(rdev, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF);
1635
1636         if (pi->thermal_protection)
1637                 r600_enable_thermal_protection(rdev, false);
1638
1639         r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
1640         r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false);
1641         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
1642
1643         if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
1644                 rv6xx_enable_backbias(rdev, false);
1645
1646         rv6xx_enable_spread_spectrum(rdev, false);
1647
1648         if (pi->voltage_control)
1649                 rv6xx_enable_static_voltage_control(rdev, boot_ps, true);
1650
1651         if (pi->dynamic_pcie_gen2)
1652                 rv6xx_enable_dynamic_pcie_gen2(rdev, boot_ps, false);
1653
1654         if (rdev->irq.installed &&
1655             r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1656                 rdev->irq.dpm_thermal = false;
1657                 radeon_irq_set(rdev);
1658         }
1659
1660         if (pi->gfx_clock_gating)
1661                 r600_gfx_clockgating_enable(rdev, false);
1662
1663         r600_stop_dpm(rdev);
1664 }
1665
1666 int rv6xx_dpm_set_power_state(struct radeon_device *rdev)
1667 {
1668         struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
1669         struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
1670         struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
1671         int ret;
1672
1673         rv6xx_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
1674
1675         rv6xx_clear_vc(rdev);
1676         r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
1677         r600_set_at(rdev, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF);
1678
1679         if (pi->thermal_protection)
1680                 r600_enable_thermal_protection(rdev, false);
1681
1682         r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
1683         r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false);
1684         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
1685
1686         rv6xx_generate_transition_stepping(rdev, new_ps, old_ps);
1687         rv6xx_program_power_level_medium_for_transition(rdev);
1688
1689         if (pi->voltage_control) {
1690                 rv6xx_set_sw_voltage_to_safe(rdev, new_ps, old_ps);
1691                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1692                         rv6xx_set_sw_voltage_to_low(rdev, old_ps);
1693         }
1694
1695         if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
1696                 rv6xx_set_safe_backbias(rdev, new_ps, old_ps);
1697
1698         if (pi->dynamic_pcie_gen2)
1699                 rv6xx_set_safe_pcie_gen2(rdev, new_ps, old_ps);
1700
1701         if (pi->voltage_control)
1702                 rv6xx_enable_dynamic_voltage_control(rdev, false);
1703
1704         if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
1705                 rv6xx_enable_dynamic_backbias_control(rdev, false);
1706
1707         if (pi->voltage_control) {
1708                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1709                         rv6xx_step_voltage_if_increasing(rdev, new_ps, old_ps);
1710                 msleep((rdev->pm.dpm.voltage_response_time + 999) / 1000);
1711         }
1712
1713         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
1714         r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, false);
1715         r600_wait_for_power_level_unequal(rdev, R600_POWER_LEVEL_LOW);
1716
1717         rv6xx_generate_low_step(rdev, new_ps);
1718         rv6xx_invalidate_intermediate_steps(rdev);
1719         rv6xx_calculate_stepping_parameters(rdev, new_ps);
1720         rv6xx_program_stepping_parameters_lowest_entry(rdev);
1721         rv6xx_program_power_level_low_to_lowest_state(rdev);
1722
1723         r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
1724         r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
1725         r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
1726
1727         if (pi->voltage_control) {
1728                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC) {
1729                         ret = rv6xx_step_voltage_if_decreasing(rdev, new_ps, old_ps);
1730                         if (ret)
1731                                 return ret;
1732                 }
1733                 rv6xx_enable_dynamic_voltage_control(rdev, true);
1734         }
1735
1736         if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
1737                 rv6xx_enable_dynamic_backbias_control(rdev, true);
1738
1739         if (pi->dynamic_pcie_gen2)
1740                 rv6xx_enable_dynamic_pcie_gen2(rdev, new_ps, true);
1741
1742         rv6xx_reset_lvtm_data_sync(rdev);
1743
1744         rv6xx_generate_stepping_table(rdev, new_ps);
1745         rv6xx_program_stepping_parameters_except_lowest_entry(rdev);
1746         rv6xx_program_power_level_low(rdev);
1747         rv6xx_program_power_level_medium(rdev);
1748         rv6xx_program_power_level_high(rdev);
1749         rv6xx_enable_medium(rdev);
1750         rv6xx_enable_high(rdev);
1751
1752         if (pi->thermal_protection)
1753                 rv6xx_enable_thermal_protection(rdev, true);
1754         rv6xx_program_vc(rdev);
1755         rv6xx_program_at(rdev);
1756
1757         rv6xx_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
1758
1759         return 0;
1760 }
1761
1762 void rv6xx_setup_asic(struct radeon_device *rdev)
1763 {
1764         r600_enable_acpi_pm(rdev);
1765
1766         if (radeon_aspm != 0) {
1767                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s)
1768                         rv6xx_enable_l0s(rdev);
1769                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1)
1770                         rv6xx_enable_l1(rdev);
1771                 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1)
1772                         rv6xx_enable_pll_sleep_in_l1(rdev);
1773         }
1774 }
1775
1776 void rv6xx_dpm_display_configuration_changed(struct radeon_device *rdev)
1777 {
1778         rv6xx_program_display_gap(rdev);
1779 }
1780
1781 union power_info {
1782         struct _ATOM_POWERPLAY_INFO info;
1783         struct _ATOM_POWERPLAY_INFO_V2 info_2;
1784         struct _ATOM_POWERPLAY_INFO_V3 info_3;
1785         struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
1786         struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
1787         struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
1788 };
1789
1790 union pplib_clock_info {
1791         struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
1792         struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
1793         struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
1794         struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
1795 };
1796
1797 union pplib_power_state {
1798         struct _ATOM_PPLIB_STATE v1;
1799         struct _ATOM_PPLIB_STATE_V2 v2;
1800 };
1801
1802 static void rv6xx_parse_pplib_non_clock_info(struct radeon_device *rdev,
1803                                              struct radeon_ps *rps,
1804                                              struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
1805 {
1806         rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
1807         rps->class = le16_to_cpu(non_clock_info->usClassification);
1808         rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
1809
1810         if (r600_is_uvd_state(rps->class, rps->class2)) {
1811                 rps->vclk = RV6XX_DEFAULT_VCLK_FREQ;
1812                 rps->dclk = RV6XX_DEFAULT_DCLK_FREQ;
1813         } else {
1814                 rps->vclk = 0;
1815                 rps->dclk = 0;
1816         }
1817
1818         if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
1819                 rdev->pm.dpm.boot_ps = rps;
1820         if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
1821                 rdev->pm.dpm.uvd_ps = rps;
1822 }
1823
1824 static void rv6xx_parse_pplib_clock_info(struct radeon_device *rdev,
1825                                          struct radeon_ps *rps, int index,
1826                                          union pplib_clock_info *clock_info)
1827 {
1828         struct rv6xx_ps *ps = rv6xx_get_ps(rps);
1829         u32 sclk, mclk;
1830         u16 vddc;
1831         struct rv6xx_pl *pl;
1832
1833         switch (index) {
1834         case 0:
1835                 pl = &ps->low;
1836                 break;
1837         case 1:
1838                 pl = &ps->medium;
1839                 break;
1840         case 2:
1841         default:
1842                 pl = &ps->high;
1843                 break;
1844         }
1845
1846         sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
1847         sclk |= clock_info->r600.ucEngineClockHigh << 16;
1848         mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
1849         mclk |= clock_info->r600.ucMemoryClockHigh << 16;
1850
1851         pl->mclk = mclk;
1852         pl->sclk = sclk;
1853         pl->vddc = le16_to_cpu(clock_info->r600.usVDDC);
1854         pl->flags = le32_to_cpu(clock_info->r600.ulFlags);
1855
1856         /* patch up vddc if necessary */
1857         if (pl->vddc == 0xff01) {
1858                 if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0)
1859                         pl->vddc = vddc;
1860         }
1861
1862         /* fix up pcie gen2 */
1863         if (pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) {
1864                 if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV630)) {
1865                         if (pl->vddc < 1100)
1866                                 pl->flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
1867                 }
1868         }
1869
1870         /* patch up boot state */
1871         if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
1872                 u16 vddc, vddci, mvdd;
1873                 radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
1874                 pl->mclk = rdev->clock.default_mclk;
1875                 pl->sclk = rdev->clock.default_sclk;
1876                 pl->vddc = vddc;
1877         }
1878 }
1879
1880 static int rv6xx_parse_power_table(struct radeon_device *rdev)
1881 {
1882         struct radeon_mode_info *mode_info = &rdev->mode_info;
1883         struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
1884         union pplib_power_state *power_state;
1885         int i, j;
1886         union pplib_clock_info *clock_info;
1887         union power_info *power_info;
1888         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
1889         u16 data_offset;
1890         u8 frev, crev;
1891         struct rv6xx_ps *ps;
1892
1893         if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
1894                                    &frev, &crev, &data_offset))
1895                 return -EINVAL;
1896         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
1897
1898         rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) *
1899                                   power_info->pplib.ucNumStates, GFP_KERNEL);
1900         if (!rdev->pm.dpm.ps)
1901                 return -ENOMEM;
1902         rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
1903         rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
1904         rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
1905
1906         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
1907                 power_state = (union pplib_power_state *)
1908                         (mode_info->atom_context->bios + data_offset +
1909                          le16_to_cpu(power_info->pplib.usStateArrayOffset) +
1910                          i * power_info->pplib.ucStateEntrySize);
1911                 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
1912                         (mode_info->atom_context->bios + data_offset +
1913                          le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
1914                          (power_state->v1.ucNonClockStateIndex *
1915                           power_info->pplib.ucNonClockSize));
1916                 if (power_info->pplib.ucStateEntrySize - 1) {
1917                         ps = kzalloc(sizeof(struct rv6xx_ps), GFP_KERNEL);
1918                         if (ps == NULL) {
1919                                 kfree(rdev->pm.dpm.ps);
1920                                 return -ENOMEM;
1921                         }
1922                         rdev->pm.dpm.ps[i].ps_priv = ps;
1923                         rv6xx_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
1924                                                          non_clock_info);
1925                         for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
1926                                 clock_info = (union pplib_clock_info *)
1927                                         (mode_info->atom_context->bios + data_offset +
1928                                          le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
1929                                          (power_state->v1.ucClockStateIndices[j] *
1930                                           power_info->pplib.ucClockInfoSize));
1931                                 rv6xx_parse_pplib_clock_info(rdev,
1932                                                              &rdev->pm.dpm.ps[i], j,
1933                                                              clock_info);
1934                         }
1935                 }
1936         }
1937         rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
1938         return 0;
1939 }
1940
1941 int rv6xx_dpm_init(struct radeon_device *rdev)
1942 {
1943         int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
1944         uint16_t data_offset, size;
1945         uint8_t frev, crev;
1946         struct atom_clock_dividers dividers;
1947         struct rv6xx_power_info *pi;
1948         int ret;
1949
1950         pi = kzalloc(sizeof(struct rv6xx_power_info), GFP_KERNEL);
1951         if (pi == NULL)
1952                 return -ENOMEM;
1953         rdev->pm.dpm.priv = pi;
1954
1955         ret = rv6xx_parse_power_table(rdev);
1956         if (ret)
1957                 return ret;
1958
1959         if (rdev->pm.dpm.voltage_response_time == 0)
1960                 rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
1961         if (rdev->pm.dpm.backbias_response_time == 0)
1962                 rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
1963
1964         ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1965                                              0, false, &dividers);
1966         if (ret)
1967                 pi->spll_ref_div = dividers.ref_div + 1;
1968         else
1969                 pi->spll_ref_div = R600_REFERENCEDIVIDER_DFLT;
1970
1971         ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
1972                                              0, false, &dividers);
1973         if (ret)
1974                 pi->mpll_ref_div = dividers.ref_div + 1;
1975         else
1976                 pi->mpll_ref_div = R600_REFERENCEDIVIDER_DFLT;
1977
1978         if (rdev->family >= CHIP_RV670)
1979                 pi->fb_div_scale = 1;
1980         else
1981                 pi->fb_div_scale = 0;
1982
1983         pi->voltage_control =
1984                 radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
1985
1986         pi->gfx_clock_gating = true;
1987
1988         if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
1989                                    &frev, &crev, &data_offset)) {
1990                 pi->sclk_ss = true;
1991                 pi->mclk_ss = true;
1992                 pi->dynamic_ss = true;
1993         } else {
1994                 pi->sclk_ss = false;
1995                 pi->mclk_ss = false;
1996                 pi->dynamic_ss = false;
1997         }
1998
1999         pi->dynamic_pcie_gen2 = true;
2000
2001         if (pi->gfx_clock_gating &&
2002             (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
2003                 pi->thermal_protection = true;
2004         else
2005                 pi->thermal_protection = false;
2006
2007         pi->display_gap = true;
2008
2009         return 0;
2010 }
2011
2012 void rv6xx_dpm_print_power_state(struct radeon_device *rdev,
2013                                  struct radeon_ps *rps)
2014 {
2015         struct rv6xx_ps *ps = rv6xx_get_ps(rps);
2016         struct rv6xx_pl *pl;
2017
2018         r600_dpm_print_class_info(rps->class, rps->class2);
2019         r600_dpm_print_cap_info(rps->caps);
2020         printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2021         pl = &ps->low;
2022         printk("\t\tpower level 0    sclk: %u mclk: %u vddc: %u\n",
2023                pl->sclk, pl->mclk, pl->vddc);
2024         pl = &ps->medium;
2025         printk("\t\tpower level 1    sclk: %u mclk: %u vddc: %u\n",
2026                pl->sclk, pl->mclk, pl->vddc);
2027         pl = &ps->high;
2028         printk("\t\tpower level 2    sclk: %u mclk: %u vddc: %u\n",
2029                pl->sclk, pl->mclk, pl->vddc);
2030         r600_dpm_print_ps_status(rdev, rps);
2031 }
2032
2033 void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
2034                                                        struct seq_file *m)
2035 {
2036         struct radeon_ps *rps = rdev->pm.dpm.current_ps;
2037         struct rv6xx_ps *ps = rv6xx_get_ps(rps);
2038         struct rv6xx_pl *pl;
2039         u32 current_index =
2040                 (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2041                 CURRENT_PROFILE_INDEX_SHIFT;
2042
2043         if (current_index > 2) {
2044                 seq_printf(m, "invalid dpm profile %d\n", current_index);
2045         } else {
2046                 if (current_index == 0)
2047                         pl = &ps->low;
2048                 else if (current_index == 1)
2049                         pl = &ps->medium;
2050                 else /* current_index == 2 */
2051                         pl = &ps->high;
2052                 seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2053                 seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u\n",
2054                            current_index, pl->sclk, pl->mclk, pl->vddc);
2055         }
2056 }
2057
2058 void rv6xx_dpm_fini(struct radeon_device *rdev)
2059 {
2060         int i;
2061
2062         for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
2063                 kfree(rdev->pm.dpm.ps[i].ps_priv);
2064         }
2065         kfree(rdev->pm.dpm.ps);
2066         kfree(rdev->pm.dpm.priv);
2067 }
2068
2069 u32 rv6xx_dpm_get_sclk(struct radeon_device *rdev, bool low)
2070 {
2071         struct rv6xx_ps *requested_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
2072
2073         if (low)
2074                 return requested_state->low.sclk;
2075         else
2076                 return requested_state->high.sclk;
2077 }
2078
2079 u32 rv6xx_dpm_get_mclk(struct radeon_device *rdev, bool low)
2080 {
2081         struct rv6xx_ps *requested_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
2082
2083         if (low)
2084                 return requested_state->low.mclk;
2085         else
2086                 return requested_state->high.mclk;
2087 }