Merge tag 'pm-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_dpm.h
1 /*
2  * Copyright 2014 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  */
23 #ifndef __AMDGPU_DPM_H__
24 #define __AMDGPU_DPM_H__
25
26 enum amdgpu_int_thermal_type {
27         THERMAL_TYPE_NONE,
28         THERMAL_TYPE_EXTERNAL,
29         THERMAL_TYPE_EXTERNAL_GPIO,
30         THERMAL_TYPE_RV6XX,
31         THERMAL_TYPE_RV770,
32         THERMAL_TYPE_ADT7473_WITH_INTERNAL,
33         THERMAL_TYPE_EVERGREEN,
34         THERMAL_TYPE_SUMO,
35         THERMAL_TYPE_NI,
36         THERMAL_TYPE_SI,
37         THERMAL_TYPE_EMC2103_WITH_INTERNAL,
38         THERMAL_TYPE_CI,
39         THERMAL_TYPE_KV,
40 };
41
42 enum amdgpu_dpm_auto_throttle_src {
43         AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
44         AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
45 };
46
47 enum amdgpu_dpm_event_src {
48         AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
49         AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
50         AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
51         AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
52         AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
53 };
54
55 struct amdgpu_ps {
56         u32 caps; /* vbios flags */
57         u32 class; /* vbios flags */
58         u32 class2; /* vbios flags */
59         /* UVD clocks */
60         u32 vclk;
61         u32 dclk;
62         /* VCE clocks */
63         u32 evclk;
64         u32 ecclk;
65         bool vce_active;
66         enum amd_vce_level vce_level;
67         /* asic priv */
68         void *ps_priv;
69 };
70
71 struct amdgpu_dpm_thermal {
72         /* thermal interrupt work */
73         struct work_struct work;
74         /* low temperature threshold */
75         int                min_temp;
76         /* high temperature threshold */
77         int                max_temp;
78         /* edge max emergency(shutdown) temp */
79         int                max_edge_emergency_temp;
80         /* hotspot low temperature threshold */
81         int                min_hotspot_temp;
82         /* hotspot high temperature critical threshold */
83         int                max_hotspot_crit_temp;
84         /* hotspot max emergency(shutdown) temp */
85         int                max_hotspot_emergency_temp;
86         /* memory low temperature threshold */
87         int                min_mem_temp;
88         /* memory high temperature critical threshold */
89         int                max_mem_crit_temp;
90         /* memory max emergency(shutdown) temp */
91         int                max_mem_emergency_temp;
92         /* was last interrupt low to high or high to low */
93         bool               high_to_low;
94         /* interrupt source */
95         struct amdgpu_irq_src   irq;
96 };
97
98 enum amdgpu_clk_action
99 {
100         AMDGPU_SCLK_UP = 1,
101         AMDGPU_SCLK_DOWN
102 };
103
104 struct amdgpu_blacklist_clocks
105 {
106         u32 sclk;
107         u32 mclk;
108         enum amdgpu_clk_action action;
109 };
110
111 struct amdgpu_clock_and_voltage_limits {
112         u32 sclk;
113         u32 mclk;
114         u16 vddc;
115         u16 vddci;
116 };
117
118 struct amdgpu_clock_array {
119         u32 count;
120         u32 *values;
121 };
122
123 struct amdgpu_clock_voltage_dependency_entry {
124         u32 clk;
125         u16 v;
126 };
127
128 struct amdgpu_clock_voltage_dependency_table {
129         u32 count;
130         struct amdgpu_clock_voltage_dependency_entry *entries;
131 };
132
133 union amdgpu_cac_leakage_entry {
134         struct {
135                 u16 vddc;
136                 u32 leakage;
137         };
138         struct {
139                 u16 vddc1;
140                 u16 vddc2;
141                 u16 vddc3;
142         };
143 };
144
145 struct amdgpu_cac_leakage_table {
146         u32 count;
147         union amdgpu_cac_leakage_entry *entries;
148 };
149
150 struct amdgpu_phase_shedding_limits_entry {
151         u16 voltage;
152         u32 sclk;
153         u32 mclk;
154 };
155
156 struct amdgpu_phase_shedding_limits_table {
157         u32 count;
158         struct amdgpu_phase_shedding_limits_entry *entries;
159 };
160
161 struct amdgpu_uvd_clock_voltage_dependency_entry {
162         u32 vclk;
163         u32 dclk;
164         u16 v;
165 };
166
167 struct amdgpu_uvd_clock_voltage_dependency_table {
168         u8 count;
169         struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
170 };
171
172 struct amdgpu_vce_clock_voltage_dependency_entry {
173         u32 ecclk;
174         u32 evclk;
175         u16 v;
176 };
177
178 struct amdgpu_vce_clock_voltage_dependency_table {
179         u8 count;
180         struct amdgpu_vce_clock_voltage_dependency_entry *entries;
181 };
182
183 struct amdgpu_ppm_table {
184         u8 ppm_design;
185         u16 cpu_core_number;
186         u32 platform_tdp;
187         u32 small_ac_platform_tdp;
188         u32 platform_tdc;
189         u32 small_ac_platform_tdc;
190         u32 apu_tdp;
191         u32 dgpu_tdp;
192         u32 dgpu_ulv_power;
193         u32 tj_max;
194 };
195
196 struct amdgpu_cac_tdp_table {
197         u16 tdp;
198         u16 configurable_tdp;
199         u16 tdc;
200         u16 battery_power_limit;
201         u16 small_power_limit;
202         u16 low_cac_leakage;
203         u16 high_cac_leakage;
204         u16 maximum_power_delivery_limit;
205 };
206
207 struct amdgpu_dpm_dynamic_state {
208         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
209         struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
210         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
211         struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
212         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
213         struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
214         struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
215         struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
216         struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
217         struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
218         struct amdgpu_clock_array valid_sclk_values;
219         struct amdgpu_clock_array valid_mclk_values;
220         struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
221         struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
222         u32 mclk_sclk_ratio;
223         u32 sclk_mclk_delta;
224         u16 vddc_vddci_delta;
225         u16 min_vddc_for_pcie_gen2;
226         struct amdgpu_cac_leakage_table cac_leakage_table;
227         struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
228         struct amdgpu_ppm_table *ppm_table;
229         struct amdgpu_cac_tdp_table *cac_tdp_table;
230 };
231
232 struct amdgpu_dpm_fan {
233         u16 t_min;
234         u16 t_med;
235         u16 t_high;
236         u16 pwm_min;
237         u16 pwm_med;
238         u16 pwm_high;
239         u8 t_hyst;
240         u32 cycle_delay;
241         u16 t_max;
242         u8 control_mode;
243         u16 default_max_fan_pwm;
244         u16 default_fan_output_sensitivity;
245         u16 fan_output_sensitivity;
246         bool ucode_fan_control;
247 };
248
249 enum amdgpu_pcie_gen {
250         AMDGPU_PCIE_GEN1 = 0,
251         AMDGPU_PCIE_GEN2 = 1,
252         AMDGPU_PCIE_GEN3 = 2,
253         AMDGPU_PCIE_GEN_INVALID = 0xffff
254 };
255
256 #define amdgpu_dpm_pre_set_power_state(adev) \
257                 ((adev)->powerplay.pp_funcs->pre_set_power_state((adev)->powerplay.pp_handle))
258
259 #define amdgpu_dpm_set_power_state(adev) \
260                 ((adev)->powerplay.pp_funcs->set_power_state((adev)->powerplay.pp_handle))
261
262 #define amdgpu_dpm_post_set_power_state(adev) \
263                 ((adev)->powerplay.pp_funcs->post_set_power_state((adev)->powerplay.pp_handle))
264
265 #define amdgpu_dpm_display_configuration_changed(adev) \
266                 ((adev)->powerplay.pp_funcs->display_configuration_changed((adev)->powerplay.pp_handle))
267
268 #define amdgpu_dpm_print_power_state(adev, ps) \
269                 ((adev)->powerplay.pp_funcs->print_power_state((adev)->powerplay.pp_handle, (ps)))
270
271 #define amdgpu_dpm_vblank_too_short(adev) \
272                 ((adev)->powerplay.pp_funcs->vblank_too_short((adev)->powerplay.pp_handle))
273
274 #define amdgpu_dpm_enable_bapm(adev, e) \
275                 ((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e)))
276
277 #define amdgpu_dpm_set_fan_control_mode(adev, m) \
278                 ((adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m)))
279
280 #define amdgpu_dpm_get_fan_control_mode(adev) \
281                 ((adev)->powerplay.pp_funcs->get_fan_control_mode((adev)->powerplay.pp_handle))
282
283 #define amdgpu_dpm_set_fan_speed_percent(adev, s) \
284                 ((adev)->powerplay.pp_funcs->set_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
285
286 #define amdgpu_dpm_get_fan_speed_percent(adev, s) \
287                 ((adev)->powerplay.pp_funcs->get_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
288
289 #define amdgpu_dpm_get_fan_speed_rpm(adev, s) \
290                 ((adev)->powerplay.pp_funcs->get_fan_speed_rpm)((adev)->powerplay.pp_handle, (s))
291
292 #define amdgpu_dpm_set_fan_speed_rpm(adev, s) \
293                 ((adev)->powerplay.pp_funcs->set_fan_speed_rpm)((adev)->powerplay.pp_handle, (s))
294
295 #define amdgpu_dpm_force_performance_level(adev, l) \
296                 ((adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)))
297
298 #define amdgpu_dpm_get_current_power_state(adev) \
299                 ((adev)->powerplay.pp_funcs->get_current_power_state((adev)->powerplay.pp_handle))
300
301 #define amdgpu_dpm_get_pp_num_states(adev, data) \
302                 ((adev)->powerplay.pp_funcs->get_pp_num_states((adev)->powerplay.pp_handle, data))
303
304 #define amdgpu_dpm_get_pp_table(adev, table) \
305                 ((adev)->powerplay.pp_funcs->get_pp_table((adev)->powerplay.pp_handle, table))
306
307 #define amdgpu_dpm_set_pp_table(adev, buf, size) \
308                 ((adev)->powerplay.pp_funcs->set_pp_table((adev)->powerplay.pp_handle, buf, size))
309
310 #define amdgpu_dpm_print_clock_levels(adev, type, buf) \
311                 ((adev)->powerplay.pp_funcs->print_clock_levels((adev)->powerplay.pp_handle, type, buf))
312
313 #define amdgpu_dpm_force_clock_level(adev, type, level) \
314                 ((adev)->powerplay.pp_funcs->force_clock_level((adev)->powerplay.pp_handle, type, level))
315
316 #define amdgpu_dpm_get_sclk_od(adev) \
317                 ((adev)->powerplay.pp_funcs->get_sclk_od((adev)->powerplay.pp_handle))
318
319 #define amdgpu_dpm_set_sclk_od(adev, value) \
320                 ((adev)->powerplay.pp_funcs->set_sclk_od((adev)->powerplay.pp_handle, value))
321
322 #define amdgpu_dpm_get_mclk_od(adev) \
323                 ((adev)->powerplay.pp_funcs->get_mclk_od((adev)->powerplay.pp_handle))
324
325 #define amdgpu_dpm_set_mclk_od(adev, value) \
326                 ((adev)->powerplay.pp_funcs->set_mclk_od((adev)->powerplay.pp_handle, value))
327
328 #define amdgpu_dpm_dispatch_task(adev, task_id, user_state)             \
329                 ((adev)->powerplay.pp_funcs->dispatch_tasks)((adev)->powerplay.pp_handle, (task_id), (user_state))
330
331 #define amdgpu_dpm_check_state_equal(adev, cps, rps, equal) \
332                 ((adev)->powerplay.pp_funcs->check_state_equal((adev)->powerplay.pp_handle, (cps), (rps), (equal)))
333
334 #define amdgpu_dpm_get_vce_clock_state(adev, i)                         \
335                 ((adev)->powerplay.pp_funcs->get_vce_clock_state((adev)->powerplay.pp_handle, (i)))
336
337 #define amdgpu_dpm_get_performance_level(adev)                          \
338                 ((adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle))
339
340 #define amdgpu_dpm_reset_power_profile_state(adev, request) \
341                 ((adev)->powerplay.pp_funcs->reset_power_profile_state(\
342                         (adev)->powerplay.pp_handle, request))
343
344 #define amdgpu_dpm_set_clockgating_by_smu(adev, msg_id) \
345                 ((adev)->powerplay.pp_funcs->set_clockgating_by_smu(\
346                         (adev)->powerplay.pp_handle, msg_id))
347
348 #define amdgpu_dpm_get_power_profile_mode(adev, buf) \
349                 ((adev)->powerplay.pp_funcs->get_power_profile_mode(\
350                         (adev)->powerplay.pp_handle, buf))
351
352 #define amdgpu_dpm_set_power_profile_mode(adev, parameter, size) \
353                 ((adev)->powerplay.pp_funcs->set_power_profile_mode(\
354                         (adev)->powerplay.pp_handle, parameter, size))
355
356 #define amdgpu_dpm_odn_edit_dpm_table(adev, type, parameter, size) \
357                 ((adev)->powerplay.pp_funcs->odn_edit_dpm_table(\
358                         (adev)->powerplay.pp_handle, type, parameter, size))
359
360 #define amdgpu_dpm_enable_mgpu_fan_boost(adev) \
361                 ((adev)->powerplay.pp_funcs->enable_mgpu_fan_boost(\
362                         (adev)->powerplay.pp_handle))
363
364 #define amdgpu_dpm_get_ppfeature_status(adev, buf) \
365                 ((adev)->powerplay.pp_funcs->get_ppfeature_status(\
366                         (adev)->powerplay.pp_handle, (buf)))
367
368 #define amdgpu_dpm_set_ppfeature_status(adev, ppfeatures) \
369                 ((adev)->powerplay.pp_funcs->set_ppfeature_status(\
370                         (adev)->powerplay.pp_handle, (ppfeatures)))
371
372 struct amdgpu_dpm {
373         struct amdgpu_ps        *ps;
374         /* number of valid power states */
375         int                     num_ps;
376         /* current power state that is active */
377         struct amdgpu_ps        *current_ps;
378         /* requested power state */
379         struct amdgpu_ps        *requested_ps;
380         /* boot up power state */
381         struct amdgpu_ps        *boot_ps;
382         /* default uvd power state */
383         struct amdgpu_ps        *uvd_ps;
384         /* vce requirements */
385         u32                  num_of_vce_states;
386         struct amd_vce_state vce_states[AMD_MAX_VCE_LEVELS];
387         enum amd_vce_level vce_level;
388         enum amd_pm_state_type state;
389         enum amd_pm_state_type user_state;
390         enum amd_pm_state_type last_state;
391         enum amd_pm_state_type last_user_state;
392         u32                     platform_caps;
393         u32                     voltage_response_time;
394         u32                     backbias_response_time;
395         void                    *priv;
396         u32                     new_active_crtcs;
397         int                     new_active_crtc_count;
398         u32                     current_active_crtcs;
399         int                     current_active_crtc_count;
400         struct amdgpu_dpm_dynamic_state dyn_state;
401         struct amdgpu_dpm_fan fan;
402         u32 tdp_limit;
403         u32 near_tdp_limit;
404         u32 near_tdp_limit_adjusted;
405         u32 sq_ramping_threshold;
406         u32 cac_leakage;
407         u16 tdp_od_limit;
408         u32 tdp_adjustment;
409         u16 load_line_slope;
410         bool power_control;
411         /* special states active */
412         bool                    thermal_active;
413         bool                    uvd_active;
414         bool                    vce_active;
415         /* thermal handling */
416         struct amdgpu_dpm_thermal thermal;
417         /* forced levels */
418         enum amd_dpm_forced_level forced_level;
419 };
420
421 struct amdgpu_pm {
422         struct mutex            mutex;
423         u32                     current_sclk;
424         u32                     current_mclk;
425         u32                     default_sclk;
426         u32                     default_mclk;
427         struct amdgpu_i2c_chan *i2c_bus;
428         bool                    bus_locked;
429         /* internal thermal controller on rv6xx+ */
430         enum amdgpu_int_thermal_type int_thermal_type;
431         struct device           *int_hwmon_dev;
432         /* fan control parameters */
433         bool                    no_fan;
434         u8                      fan_pulses_per_revolution;
435         u8                      fan_min_rpm;
436         u8                      fan_max_rpm;
437         /* dpm */
438         bool                    dpm_enabled;
439         bool                    sysfs_initialized;
440         struct amdgpu_dpm       dpm;
441         const struct firmware   *fw;    /* SMC firmware */
442         uint32_t                fw_version;
443         uint32_t                pcie_gen_mask;
444         uint32_t                pcie_mlw_mask;
445         struct amd_pp_display_configuration pm_display_cfg;/* set by dc */
446         uint32_t                smu_prv_buffer_size;
447         struct amdgpu_bo        *smu_prv_buffer;
448         bool ac_power;
449         /* powerplay feature */
450         uint32_t pp_feature;
451
452         /* Used for I2C access to various EEPROMs on relevant ASICs */
453         struct i2c_adapter smu_i2c;
454         struct list_head        pm_attr_list;
455 };
456
457 #define R600_SSTU_DFLT                               0
458 #define R600_SST_DFLT                                0x00C8
459
460 /* XXX are these ok? */
461 #define R600_TEMP_RANGE_MIN (90 * 1000)
462 #define R600_TEMP_RANGE_MAX (120 * 1000)
463
464 #define FDO_PWM_MODE_STATIC  1
465 #define FDO_PWM_MODE_STATIC_RPM 5
466
467 enum amdgpu_td {
468         AMDGPU_TD_AUTO,
469         AMDGPU_TD_UP,
470         AMDGPU_TD_DOWN,
471 };
472
473 enum amdgpu_display_watermark {
474         AMDGPU_DISPLAY_WATERMARK_LOW = 0,
475         AMDGPU_DISPLAY_WATERMARK_HIGH = 1,
476 };
477
478 enum amdgpu_display_gap
479 {
480     AMDGPU_PM_DISPLAY_GAP_VBLANK_OR_WM = 0,
481     AMDGPU_PM_DISPLAY_GAP_VBLANK       = 1,
482     AMDGPU_PM_DISPLAY_GAP_WATERMARK    = 2,
483     AMDGPU_PM_DISPLAY_GAP_IGNORE       = 3,
484 };
485
486 void amdgpu_dpm_print_class_info(u32 class, u32 class2);
487 void amdgpu_dpm_print_cap_info(u32 caps);
488 void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
489                                 struct amdgpu_ps *rps);
490 u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev);
491 u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev);
492 void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev);
493 int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
494                            void *data, uint32_t *size);
495
496 bool amdgpu_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor);
497
498 int amdgpu_get_platform_caps(struct amdgpu_device *adev);
499
500 int amdgpu_parse_extended_power_table(struct amdgpu_device *adev);
501 void amdgpu_free_extended_power_table(struct amdgpu_device *adev);
502
503 void amdgpu_add_thermal_controller(struct amdgpu_device *adev);
504
505 enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
506                                                  u32 sys_mask,
507                                                  enum amdgpu_pcie_gen asic_gen,
508                                                  enum amdgpu_pcie_gen default_gen);
509
510 struct amd_vce_state*
511 amdgpu_get_vce_clock_state(void *handle, u32 idx);
512
513 int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev,
514                                       uint32_t block_type, bool gate);
515
516 extern int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low);
517
518 extern int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low);
519
520 int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
521                                uint32_t pstate);
522
523 int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
524                                     enum PP_SMC_POWER_PROFILE type,
525                                     bool en);
526
527 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev);
528
529 int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev);
530
531 bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev);
532
533 bool amdgpu_dpm_is_mode1_reset_supported(struct amdgpu_device *adev);
534 int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev);
535
536 int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
537                              enum pp_mp1_state mp1_state);
538
539 int amdgpu_dpm_baco_exit(struct amdgpu_device *adev);
540
541 int amdgpu_dpm_baco_enter(struct amdgpu_device *adev);
542
543 int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
544                              uint32_t cstate);
545
546 int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en);
547
548 #endif