1 /*
2  * Copyright 2013 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 
24 #include "drmP.h"
25 #include "amdgpu.h"
26 #include "amdgpu_pm.h"
27 #include "cikd.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_dpm.h"
31 #include "kv_dpm.h"
32 #include "gfx_v7_0.h"
33 #include <linux/seq_file.h>
34 
35 #include "smu/smu_7_0_0_d.h"
36 #include "smu/smu_7_0_0_sh_mask.h"
37 
38 #include "gca/gfx_7_2_d.h"
39 #include "gca/gfx_7_2_sh_mask.h"
40 
41 #define KV_MAX_DEEPSLEEP_DIVIDER_ID     5
42 #define KV_MINIMUM_ENGINE_CLOCK         800
43 #define SMC_RAM_END                     0x40000
44 
45 static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev);
46 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev);
47 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
48 			    bool enable);
49 static void kv_init_graphics_levels(struct amdgpu_device *adev);
50 static int kv_calculate_ds_divider(struct amdgpu_device *adev);
51 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev);
52 static int kv_calculate_dpm_settings(struct amdgpu_device *adev);
53 static void kv_enable_new_levels(struct amdgpu_device *adev);
54 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
55 					   struct amdgpu_ps *new_rps);
56 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level);
57 static int kv_set_enabled_levels(struct amdgpu_device *adev);
58 static int kv_force_dpm_highest(struct amdgpu_device *adev);
59 static int kv_force_dpm_lowest(struct amdgpu_device *adev);
60 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
61 					struct amdgpu_ps *new_rps,
62 					struct amdgpu_ps *old_rps);
63 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
64 					    int min_temp, int max_temp);
65 static int kv_init_fps_limits(struct amdgpu_device *adev);
66 
67 static void kv_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate);
68 static void kv_dpm_powergate_vce(struct amdgpu_device *adev, bool gate);
69 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate);
70 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate);
71 
72 
kv_convert_vid2_to_vid7(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_2bit)73 static u32 kv_convert_vid2_to_vid7(struct amdgpu_device *adev,
74 				   struct sumo_vid_mapping_table *vid_mapping_table,
75 				   u32 vid_2bit)
76 {
77 	struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
78 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
79 	u32 i;
80 
81 	if (vddc_sclk_table && vddc_sclk_table->count) {
82 		if (vid_2bit < vddc_sclk_table->count)
83 			return vddc_sclk_table->entries[vid_2bit].v;
84 		else
85 			return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
86 	} else {
87 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
88 			if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
89 				return vid_mapping_table->entries[i].vid_7bit;
90 		}
91 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
92 	}
93 }
94 
kv_convert_vid7_to_vid2(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_7bit)95 static u32 kv_convert_vid7_to_vid2(struct amdgpu_device *adev,
96 				   struct sumo_vid_mapping_table *vid_mapping_table,
97 				   u32 vid_7bit)
98 {
99 	struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
100 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
101 	u32 i;
102 
103 	if (vddc_sclk_table && vddc_sclk_table->count) {
104 		for (i = 0; i < vddc_sclk_table->count; i++) {
105 			if (vddc_sclk_table->entries[i].v == vid_7bit)
106 				return i;
107 		}
108 		return vddc_sclk_table->count - 1;
109 	} else {
110 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
111 			if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
112 				return vid_mapping_table->entries[i].vid_2bit;
113 		}
114 
115 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
116 	}
117 }
118 
sumo_take_smu_control(struct amdgpu_device * adev,bool enable)119 static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable)
120 {
121 /* This bit selects who handles display phy powergating.
122  * Clear the bit to let atom handle it.
123  * Set it to let the driver handle it.
124  * For now we just let atom handle it.
125  */
126 #if 0
127 	u32 v = RREG32(mmDOUT_SCRATCH3);
128 
129 	if (enable)
130 		v |= 0x4;
131 	else
132 		v &= 0xFFFFFFFB;
133 
134 	WREG32(mmDOUT_SCRATCH3, v);
135 #endif
136 }
137 
sumo_get_sleep_divider_from_id(u32 id)138 static u32 sumo_get_sleep_divider_from_id(u32 id)
139 {
140 	return 1 << id;
141 }
142 
sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device * adev,struct sumo_sclk_voltage_mapping_table * sclk_voltage_mapping_table,ATOM_AVAILABLE_SCLK_LIST * table)143 static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev,
144 						      struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table,
145 						      ATOM_AVAILABLE_SCLK_LIST *table)
146 {
147 	u32 i;
148 	u32 n = 0;
149 	u32 prev_sclk = 0;
150 
151 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
152 		if (table[i].ulSupportedSCLK > prev_sclk) {
153 			sclk_voltage_mapping_table->entries[n].sclk_frequency =
154 				table[i].ulSupportedSCLK;
155 			sclk_voltage_mapping_table->entries[n].vid_2bit =
156 				table[i].usVoltageIndex;
157 			prev_sclk = table[i].ulSupportedSCLK;
158 			n++;
159 		}
160 	}
161 
162 	sclk_voltage_mapping_table->num_max_dpm_entries = n;
163 }
164 
sumo_construct_vid_mapping_table(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,ATOM_AVAILABLE_SCLK_LIST * table)165 static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev,
166 					     struct sumo_vid_mapping_table *vid_mapping_table,
167 					     ATOM_AVAILABLE_SCLK_LIST *table)
168 {
169 	u32 i, j;
170 
171 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
172 		if (table[i].ulSupportedSCLK != 0) {
173 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
174 				table[i].usVoltageID;
175 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
176 				table[i].usVoltageIndex;
177 		}
178 	}
179 
180 	for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
181 		if (vid_mapping_table->entries[i].vid_7bit == 0) {
182 			for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
183 				if (vid_mapping_table->entries[j].vid_7bit != 0) {
184 					vid_mapping_table->entries[i] =
185 						vid_mapping_table->entries[j];
186 					vid_mapping_table->entries[j].vid_7bit = 0;
187 					break;
188 				}
189 			}
190 
191 			if (j == SUMO_MAX_NUMBER_VOLTAGES)
192 				break;
193 		}
194 	}
195 
196 	vid_mapping_table->num_entries = i;
197 }
198 
199 static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
200 {
201 	{  0,       4,        1    },
202 	{  1,       4,        1    },
203 	{  2,       5,        1    },
204 	{  3,       4,        2    },
205 	{  4,       1,        1    },
206 	{  5,       5,        2    },
207 	{  6,       6,        1    },
208 	{  7,       9,        2    },
209 	{ 0xffffffff }
210 };
211 
212 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
213 {
214 	{  0,       4,        1    },
215 	{ 0xffffffff }
216 };
217 
218 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
219 {
220 	{  0,       4,        1    },
221 	{ 0xffffffff }
222 };
223 
224 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
225 {
226 	{  0,       4,        1    },
227 	{ 0xffffffff }
228 };
229 
230 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
231 {
232 	{  0,       4,        1    },
233 	{ 0xffffffff }
234 };
235 
236 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
237 {
238 	{  0,       4,        1    },
239 	{  1,       4,        1    },
240 	{  2,       5,        1    },
241 	{  3,       4,        1    },
242 	{  4,       1,        1    },
243 	{  5,       5,        1    },
244 	{  6,       6,        1    },
245 	{  7,       9,        1    },
246 	{  8,       4,        1    },
247 	{  9,       2,        1    },
248 	{  10,      3,        1    },
249 	{  11,      6,        1    },
250 	{  12,      8,        2    },
251 	{  13,      1,        1    },
252 	{  14,      2,        1    },
253 	{  15,      3,        1    },
254 	{  16,      1,        1    },
255 	{  17,      4,        1    },
256 	{  18,      3,        1    },
257 	{  19,      1,        1    },
258 	{  20,      8,        1    },
259 	{  21,      5,        1    },
260 	{  22,      1,        1    },
261 	{  23,      1,        1    },
262 	{  24,      4,        1    },
263 	{  27,      6,        1    },
264 	{  28,      1,        1    },
265 	{ 0xffffffff }
266 };
267 
268 static const struct kv_lcac_config_reg sx0_cac_config_reg[] =
269 {
270 	{ 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
271 };
272 
273 static const struct kv_lcac_config_reg mc0_cac_config_reg[] =
274 {
275 	{ 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
276 };
277 
278 static const struct kv_lcac_config_reg mc1_cac_config_reg[] =
279 {
280 	{ 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
281 };
282 
283 static const struct kv_lcac_config_reg mc2_cac_config_reg[] =
284 {
285 	{ 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
286 };
287 
288 static const struct kv_lcac_config_reg mc3_cac_config_reg[] =
289 {
290 	{ 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
291 };
292 
293 static const struct kv_lcac_config_reg cpl_cac_config_reg[] =
294 {
295 	{ 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
296 };
297 
298 static const struct kv_pt_config_reg didt_config_kv[] =
299 {
300 	{ 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
301 	{ 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
302 	{ 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
303 	{ 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
304 	{ 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
305 	{ 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
306 	{ 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
307 	{ 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
308 	{ 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
309 	{ 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
310 	{ 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
311 	{ 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
312 	{ 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
313 	{ 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
314 	{ 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
315 	{ 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
316 	{ 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
317 	{ 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
318 	{ 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
319 	{ 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
320 	{ 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
321 	{ 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
322 	{ 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
323 	{ 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
324 	{ 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
325 	{ 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
326 	{ 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
327 	{ 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
328 	{ 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
329 	{ 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
330 	{ 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
331 	{ 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
332 	{ 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
333 	{ 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
334 	{ 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
335 	{ 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
336 	{ 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
337 	{ 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
338 	{ 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
339 	{ 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
340 	{ 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
341 	{ 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
342 	{ 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
343 	{ 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
344 	{ 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
345 	{ 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
346 	{ 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
347 	{ 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
348 	{ 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
349 	{ 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
350 	{ 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
351 	{ 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
352 	{ 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
353 	{ 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
354 	{ 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
355 	{ 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
356 	{ 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
357 	{ 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
358 	{ 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
359 	{ 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
360 	{ 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
361 	{ 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
362 	{ 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
363 	{ 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
364 	{ 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
365 	{ 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
366 	{ 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
367 	{ 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
368 	{ 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
369 	{ 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
370 	{ 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
371 	{ 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
372 	{ 0xFFFFFFFF }
373 };
374 
kv_get_ps(struct amdgpu_ps * rps)375 static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
376 {
377 	struct kv_ps *ps = rps->ps_priv;
378 
379 	return ps;
380 }
381 
kv_get_pi(struct amdgpu_device * adev)382 static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
383 {
384 	struct kv_power_info *pi = adev->pm.dpm.priv;
385 
386 	return pi;
387 }
388 
389 #if 0
390 static void kv_program_local_cac_table(struct amdgpu_device *adev,
391 				       const struct kv_lcac_config_values *local_cac_table,
392 				       const struct kv_lcac_config_reg *local_cac_reg)
393 {
394 	u32 i, count, data;
395 	const struct kv_lcac_config_values *values = local_cac_table;
396 
397 	while (values->block_id != 0xffffffff) {
398 		count = values->signal_id;
399 		for (i = 0; i < count; i++) {
400 			data = ((values->block_id << local_cac_reg->block_shift) &
401 				local_cac_reg->block_mask);
402 			data |= ((i << local_cac_reg->signal_shift) &
403 				 local_cac_reg->signal_mask);
404 			data |= ((values->t << local_cac_reg->t_shift) &
405 				 local_cac_reg->t_mask);
406 			data |= ((1 << local_cac_reg->enable_shift) &
407 				 local_cac_reg->enable_mask);
408 			WREG32_SMC(local_cac_reg->cntl, data);
409 		}
410 		values++;
411 	}
412 }
413 #endif
414 
kv_program_pt_config_registers(struct amdgpu_device * adev,const struct kv_pt_config_reg * cac_config_regs)415 static int kv_program_pt_config_registers(struct amdgpu_device *adev,
416 					  const struct kv_pt_config_reg *cac_config_regs)
417 {
418 	const struct kv_pt_config_reg *config_regs = cac_config_regs;
419 	u32 data;
420 	u32 cache = 0;
421 
422 	if (config_regs == NULL)
423 		return -EINVAL;
424 
425 	while (config_regs->offset != 0xFFFFFFFF) {
426 		if (config_regs->type == KV_CONFIGREG_CACHE) {
427 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
428 		} else {
429 			switch (config_regs->type) {
430 			case KV_CONFIGREG_SMC_IND:
431 				data = RREG32_SMC(config_regs->offset);
432 				break;
433 			case KV_CONFIGREG_DIDT_IND:
434 				data = RREG32_DIDT(config_regs->offset);
435 				break;
436 			default:
437 				data = RREG32(config_regs->offset);
438 				break;
439 			}
440 
441 			data &= ~config_regs->mask;
442 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
443 			data |= cache;
444 			cache = 0;
445 
446 			switch (config_regs->type) {
447 			case KV_CONFIGREG_SMC_IND:
448 				WREG32_SMC(config_regs->offset, data);
449 				break;
450 			case KV_CONFIGREG_DIDT_IND:
451 				WREG32_DIDT(config_regs->offset, data);
452 				break;
453 			default:
454 				WREG32(config_regs->offset, data);
455 				break;
456 			}
457 		}
458 		config_regs++;
459 	}
460 
461 	return 0;
462 }
463 
kv_do_enable_didt(struct amdgpu_device * adev,bool enable)464 static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
465 {
466 	struct kv_power_info *pi = kv_get_pi(adev);
467 	u32 data;
468 
469 	if (pi->caps_sq_ramping) {
470 		data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
471 		if (enable)
472 			data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
473 		else
474 			data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
475 		WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
476 	}
477 
478 	if (pi->caps_db_ramping) {
479 		data = RREG32_DIDT(ixDIDT_DB_CTRL0);
480 		if (enable)
481 			data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
482 		else
483 			data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
484 		WREG32_DIDT(ixDIDT_DB_CTRL0, data);
485 	}
486 
487 	if (pi->caps_td_ramping) {
488 		data = RREG32_DIDT(ixDIDT_TD_CTRL0);
489 		if (enable)
490 			data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
491 		else
492 			data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
493 		WREG32_DIDT(ixDIDT_TD_CTRL0, data);
494 	}
495 
496 	if (pi->caps_tcp_ramping) {
497 		data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
498 		if (enable)
499 			data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
500 		else
501 			data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
502 		WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
503 	}
504 }
505 
kv_enable_didt(struct amdgpu_device * adev,bool enable)506 static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
507 {
508 	struct kv_power_info *pi = kv_get_pi(adev);
509 	int ret;
510 
511 	if (pi->caps_sq_ramping ||
512 	    pi->caps_db_ramping ||
513 	    pi->caps_td_ramping ||
514 	    pi->caps_tcp_ramping) {
515 		gfx_v7_0_enter_rlc_safe_mode(adev);
516 
517 		if (enable) {
518 			ret = kv_program_pt_config_registers(adev, didt_config_kv);
519 			if (ret) {
520 				gfx_v7_0_exit_rlc_safe_mode(adev);
521 				return ret;
522 			}
523 		}
524 
525 		kv_do_enable_didt(adev, enable);
526 
527 		gfx_v7_0_exit_rlc_safe_mode(adev);
528 	}
529 
530 	return 0;
531 }
532 
533 #if 0
534 static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
535 {
536 	struct kv_power_info *pi = kv_get_pi(adev);
537 
538 	if (pi->caps_cac) {
539 		WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
540 		WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
541 		kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
542 
543 		WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
544 		WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
545 		kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
546 
547 		WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
548 		WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
549 		kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
550 
551 		WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
552 		WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
553 		kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
554 
555 		WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
556 		WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
557 		kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
558 
559 		WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
560 		WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
561 		kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
562 	}
563 }
564 #endif
565 
kv_enable_smc_cac(struct amdgpu_device * adev,bool enable)566 static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
567 {
568 	struct kv_power_info *pi = kv_get_pi(adev);
569 	int ret = 0;
570 
571 	if (pi->caps_cac) {
572 		if (enable) {
573 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
574 			if (ret)
575 				pi->cac_enabled = false;
576 			else
577 				pi->cac_enabled = true;
578 		} else if (pi->cac_enabled) {
579 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
580 			pi->cac_enabled = false;
581 		}
582 	}
583 
584 	return ret;
585 }
586 
kv_process_firmware_header(struct amdgpu_device * adev)587 static int kv_process_firmware_header(struct amdgpu_device *adev)
588 {
589 	struct kv_power_info *pi = kv_get_pi(adev);
590 	u32 tmp;
591 	int ret;
592 
593 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
594 				     offsetof(SMU7_Firmware_Header, DpmTable),
595 				     &tmp, pi->sram_end);
596 
597 	if (ret == 0)
598 		pi->dpm_table_start = tmp;
599 
600 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
601 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
602 				     &tmp, pi->sram_end);
603 
604 	if (ret == 0)
605 		pi->soft_regs_start = tmp;
606 
607 	return ret;
608 }
609 
kv_enable_dpm_voltage_scaling(struct amdgpu_device * adev)610 static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
611 {
612 	struct kv_power_info *pi = kv_get_pi(adev);
613 	int ret;
614 
615 	pi->graphics_voltage_change_enable = 1;
616 
617 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
618 				   pi->dpm_table_start +
619 				   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
620 				   &pi->graphics_voltage_change_enable,
621 				   sizeof(u8), pi->sram_end);
622 
623 	return ret;
624 }
625 
kv_set_dpm_interval(struct amdgpu_device * adev)626 static int kv_set_dpm_interval(struct amdgpu_device *adev)
627 {
628 	struct kv_power_info *pi = kv_get_pi(adev);
629 	int ret;
630 
631 	pi->graphics_interval = 1;
632 
633 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
634 				   pi->dpm_table_start +
635 				   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
636 				   &pi->graphics_interval,
637 				   sizeof(u8), pi->sram_end);
638 
639 	return ret;
640 }
641 
kv_set_dpm_boot_state(struct amdgpu_device * adev)642 static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
643 {
644 	struct kv_power_info *pi = kv_get_pi(adev);
645 	int ret;
646 
647 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
648 				   pi->dpm_table_start +
649 				   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
650 				   &pi->graphics_boot_level,
651 				   sizeof(u8), pi->sram_end);
652 
653 	return ret;
654 }
655 
kv_program_vc(struct amdgpu_device * adev)656 static void kv_program_vc(struct amdgpu_device *adev)
657 {
658 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
659 }
660 
kv_clear_vc(struct amdgpu_device * adev)661 static void kv_clear_vc(struct amdgpu_device *adev)
662 {
663 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
664 }
665 
kv_set_divider_value(struct amdgpu_device * adev,u32 index,u32 sclk)666 static int kv_set_divider_value(struct amdgpu_device *adev,
667 				u32 index, u32 sclk)
668 {
669 	struct kv_power_info *pi = kv_get_pi(adev);
670 	struct atom_clock_dividers dividers;
671 	int ret;
672 
673 	ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
674 						 sclk, false, &dividers);
675 	if (ret)
676 		return ret;
677 
678 	pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
679 	pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
680 
681 	return 0;
682 }
683 
kv_convert_8bit_index_to_voltage(struct amdgpu_device * adev,u16 voltage)684 static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
685 					    u16 voltage)
686 {
687 	return 6200 - (voltage * 25);
688 }
689 
kv_convert_2bit_index_to_voltage(struct amdgpu_device * adev,u32 vid_2bit)690 static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
691 					    u32 vid_2bit)
692 {
693 	struct kv_power_info *pi = kv_get_pi(adev);
694 	u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
695 					       &pi->sys_info.vid_mapping_table,
696 					       vid_2bit);
697 
698 	return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
699 }
700 
701 
kv_set_vid(struct amdgpu_device * adev,u32 index,u32 vid)702 static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
703 {
704 	struct kv_power_info *pi = kv_get_pi(adev);
705 
706 	pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
707 	pi->graphics_level[index].MinVddNb =
708 		cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));
709 
710 	return 0;
711 }
712 
kv_set_at(struct amdgpu_device * adev,u32 index,u32 at)713 static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
714 {
715 	struct kv_power_info *pi = kv_get_pi(adev);
716 
717 	pi->graphics_level[index].AT = cpu_to_be16((u16)at);
718 
719 	return 0;
720 }
721 
kv_dpm_power_level_enable(struct amdgpu_device * adev,u32 index,bool enable)722 static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
723 				      u32 index, bool enable)
724 {
725 	struct kv_power_info *pi = kv_get_pi(adev);
726 
727 	pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
728 }
729 
kv_start_dpm(struct amdgpu_device * adev)730 static void kv_start_dpm(struct amdgpu_device *adev)
731 {
732 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
733 
734 	tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
735 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
736 
737 	amdgpu_kv_smc_dpm_enable(adev, true);
738 }
739 
kv_stop_dpm(struct amdgpu_device * adev)740 static void kv_stop_dpm(struct amdgpu_device *adev)
741 {
742 	amdgpu_kv_smc_dpm_enable(adev, false);
743 }
744 
kv_start_am(struct amdgpu_device * adev)745 static void kv_start_am(struct amdgpu_device *adev)
746 {
747 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
748 
749 	sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
750 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
751 	sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
752 
753 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
754 }
755 
kv_reset_am(struct amdgpu_device * adev)756 static void kv_reset_am(struct amdgpu_device *adev)
757 {
758 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
759 
760 	sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
761 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
762 
763 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
764 }
765 
kv_freeze_sclk_dpm(struct amdgpu_device * adev,bool freeze)766 static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
767 {
768 	return amdgpu_kv_notify_message_to_smu(adev, freeze ?
769 					PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
770 }
771 
kv_force_lowest_valid(struct amdgpu_device * adev)772 static int kv_force_lowest_valid(struct amdgpu_device *adev)
773 {
774 	return kv_force_dpm_lowest(adev);
775 }
776 
kv_unforce_levels(struct amdgpu_device * adev)777 static int kv_unforce_levels(struct amdgpu_device *adev)
778 {
779 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
780 		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
781 	else
782 		return kv_set_enabled_levels(adev);
783 }
784 
kv_update_sclk_t(struct amdgpu_device * adev)785 static int kv_update_sclk_t(struct amdgpu_device *adev)
786 {
787 	struct kv_power_info *pi = kv_get_pi(adev);
788 	u32 low_sclk_interrupt_t = 0;
789 	int ret = 0;
790 
791 	if (pi->caps_sclk_throttle_low_notification) {
792 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
793 
794 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
795 					   pi->dpm_table_start +
796 					   offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
797 					   (u8 *)&low_sclk_interrupt_t,
798 					   sizeof(u32), pi->sram_end);
799 	}
800 	return ret;
801 }
802 
kv_program_bootup_state(struct amdgpu_device * adev)803 static int kv_program_bootup_state(struct amdgpu_device *adev)
804 {
805 	struct kv_power_info *pi = kv_get_pi(adev);
806 	u32 i;
807 	struct amdgpu_clock_voltage_dependency_table *table =
808 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
809 
810 	if (table && table->count) {
811 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
812 			if (table->entries[i].clk == pi->boot_pl.sclk)
813 				break;
814 		}
815 
816 		pi->graphics_boot_level = (u8)i;
817 		kv_dpm_power_level_enable(adev, i, true);
818 	} else {
819 		struct sumo_sclk_voltage_mapping_table *table =
820 			&pi->sys_info.sclk_voltage_mapping_table;
821 
822 		if (table->num_max_dpm_entries == 0)
823 			return -EINVAL;
824 
825 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
826 			if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
827 				break;
828 		}
829 
830 		pi->graphics_boot_level = (u8)i;
831 		kv_dpm_power_level_enable(adev, i, true);
832 	}
833 	return 0;
834 }
835 
kv_enable_auto_thermal_throttling(struct amdgpu_device * adev)836 static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
837 {
838 	struct kv_power_info *pi = kv_get_pi(adev);
839 	int ret;
840 
841 	pi->graphics_therm_throttle_enable = 1;
842 
843 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
844 				   pi->dpm_table_start +
845 				   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
846 				   &pi->graphics_therm_throttle_enable,
847 				   sizeof(u8), pi->sram_end);
848 
849 	return ret;
850 }
851 
kv_upload_dpm_settings(struct amdgpu_device * adev)852 static int kv_upload_dpm_settings(struct amdgpu_device *adev)
853 {
854 	struct kv_power_info *pi = kv_get_pi(adev);
855 	int ret;
856 
857 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
858 				   pi->dpm_table_start +
859 				   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
860 				   (u8 *)&pi->graphics_level,
861 				   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
862 				   pi->sram_end);
863 
864 	if (ret)
865 		return ret;
866 
867 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
868 				   pi->dpm_table_start +
869 				   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
870 				   &pi->graphics_dpm_level_count,
871 				   sizeof(u8), pi->sram_end);
872 
873 	return ret;
874 }
875 
kv_get_clock_difference(u32 a,u32 b)876 static u32 kv_get_clock_difference(u32 a, u32 b)
877 {
878 	return (a >= b) ? a - b : b - a;
879 }
880 
kv_get_clk_bypass(struct amdgpu_device * adev,u32 clk)881 static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
882 {
883 	struct kv_power_info *pi = kv_get_pi(adev);
884 	u32 value;
885 
886 	if (pi->caps_enable_dfs_bypass) {
887 		if (kv_get_clock_difference(clk, 40000) < 200)
888 			value = 3;
889 		else if (kv_get_clock_difference(clk, 30000) < 200)
890 			value = 2;
891 		else if (kv_get_clock_difference(clk, 20000) < 200)
892 			value = 7;
893 		else if (kv_get_clock_difference(clk, 15000) < 200)
894 			value = 6;
895 		else if (kv_get_clock_difference(clk, 10000) < 200)
896 			value = 8;
897 		else
898 			value = 0;
899 	} else {
900 		value = 0;
901 	}
902 
903 	return value;
904 }
905 
kv_populate_uvd_table(struct amdgpu_device * adev)906 static int kv_populate_uvd_table(struct amdgpu_device *adev)
907 {
908 	struct kv_power_info *pi = kv_get_pi(adev);
909 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
910 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
911 	struct atom_clock_dividers dividers;
912 	int ret;
913 	u32 i;
914 
915 	if (table == NULL || table->count == 0)
916 		return 0;
917 
918 	pi->uvd_level_count = 0;
919 	for (i = 0; i < table->count; i++) {
920 		if (pi->high_voltage_t &&
921 		    (pi->high_voltage_t < table->entries[i].v))
922 			break;
923 
924 		pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
925 		pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
926 		pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
927 
928 		pi->uvd_level[i].VClkBypassCntl =
929 			(u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
930 		pi->uvd_level[i].DClkBypassCntl =
931 			(u8)kv_get_clk_bypass(adev, table->entries[i].dclk);
932 
933 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
934 							 table->entries[i].vclk, false, &dividers);
935 		if (ret)
936 			return ret;
937 		pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
938 
939 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
940 							 table->entries[i].dclk, false, &dividers);
941 		if (ret)
942 			return ret;
943 		pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
944 
945 		pi->uvd_level_count++;
946 	}
947 
948 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
949 				   pi->dpm_table_start +
950 				   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
951 				   (u8 *)&pi->uvd_level_count,
952 				   sizeof(u8), pi->sram_end);
953 	if (ret)
954 		return ret;
955 
956 	pi->uvd_interval = 1;
957 
958 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
959 				   pi->dpm_table_start +
960 				   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
961 				   &pi->uvd_interval,
962 				   sizeof(u8), pi->sram_end);
963 	if (ret)
964 		return ret;
965 
966 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
967 				   pi->dpm_table_start +
968 				   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
969 				   (u8 *)&pi->uvd_level,
970 				   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
971 				   pi->sram_end);
972 
973 	return ret;
974 
975 }
976 
kv_populate_vce_table(struct amdgpu_device * adev)977 static int kv_populate_vce_table(struct amdgpu_device *adev)
978 {
979 	struct kv_power_info *pi = kv_get_pi(adev);
980 	int ret;
981 	u32 i;
982 	struct amdgpu_vce_clock_voltage_dependency_table *table =
983 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
984 	struct atom_clock_dividers dividers;
985 
986 	if (table == NULL || table->count == 0)
987 		return 0;
988 
989 	pi->vce_level_count = 0;
990 	for (i = 0; i < table->count; i++) {
991 		if (pi->high_voltage_t &&
992 		    pi->high_voltage_t < table->entries[i].v)
993 			break;
994 
995 		pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
996 		pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
997 
998 		pi->vce_level[i].ClkBypassCntl =
999 			(u8)kv_get_clk_bypass(adev, table->entries[i].evclk);
1000 
1001 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1002 							 table->entries[i].evclk, false, &dividers);
1003 		if (ret)
1004 			return ret;
1005 		pi->vce_level[i].Divider = (u8)dividers.post_div;
1006 
1007 		pi->vce_level_count++;
1008 	}
1009 
1010 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1011 				   pi->dpm_table_start +
1012 				   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
1013 				   (u8 *)&pi->vce_level_count,
1014 				   sizeof(u8),
1015 				   pi->sram_end);
1016 	if (ret)
1017 		return ret;
1018 
1019 	pi->vce_interval = 1;
1020 
1021 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1022 				   pi->dpm_table_start +
1023 				   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
1024 				   (u8 *)&pi->vce_interval,
1025 				   sizeof(u8),
1026 				   pi->sram_end);
1027 	if (ret)
1028 		return ret;
1029 
1030 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1031 				   pi->dpm_table_start +
1032 				   offsetof(SMU7_Fusion_DpmTable, VceLevel),
1033 				   (u8 *)&pi->vce_level,
1034 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
1035 				   pi->sram_end);
1036 
1037 	return ret;
1038 }
1039 
kv_populate_samu_table(struct amdgpu_device * adev)1040 static int kv_populate_samu_table(struct amdgpu_device *adev)
1041 {
1042 	struct kv_power_info *pi = kv_get_pi(adev);
1043 	struct amdgpu_clock_voltage_dependency_table *table =
1044 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1045 	struct atom_clock_dividers dividers;
1046 	int ret;
1047 	u32 i;
1048 
1049 	if (table == NULL || table->count == 0)
1050 		return 0;
1051 
1052 	pi->samu_level_count = 0;
1053 	for (i = 0; i < table->count; i++) {
1054 		if (pi->high_voltage_t &&
1055 		    pi->high_voltage_t < table->entries[i].v)
1056 			break;
1057 
1058 		pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1059 		pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1060 
1061 		pi->samu_level[i].ClkBypassCntl =
1062 			(u8)kv_get_clk_bypass(adev, table->entries[i].clk);
1063 
1064 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1065 							 table->entries[i].clk, false, &dividers);
1066 		if (ret)
1067 			return ret;
1068 		pi->samu_level[i].Divider = (u8)dividers.post_div;
1069 
1070 		pi->samu_level_count++;
1071 	}
1072 
1073 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1074 				   pi->dpm_table_start +
1075 				   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
1076 				   (u8 *)&pi->samu_level_count,
1077 				   sizeof(u8),
1078 				   pi->sram_end);
1079 	if (ret)
1080 		return ret;
1081 
1082 	pi->samu_interval = 1;
1083 
1084 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1085 				   pi->dpm_table_start +
1086 				   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1087 				   (u8 *)&pi->samu_interval,
1088 				   sizeof(u8),
1089 				   pi->sram_end);
1090 	if (ret)
1091 		return ret;
1092 
1093 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1094 				   pi->dpm_table_start +
1095 				   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1096 				   (u8 *)&pi->samu_level,
1097 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1098 				   pi->sram_end);
1099 	if (ret)
1100 		return ret;
1101 
1102 	return ret;
1103 }
1104 
1105 
kv_populate_acp_table(struct amdgpu_device * adev)1106 static int kv_populate_acp_table(struct amdgpu_device *adev)
1107 {
1108 	struct kv_power_info *pi = kv_get_pi(adev);
1109 	struct amdgpu_clock_voltage_dependency_table *table =
1110 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1111 	struct atom_clock_dividers dividers;
1112 	int ret;
1113 	u32 i;
1114 
1115 	if (table == NULL || table->count == 0)
1116 		return 0;
1117 
1118 	pi->acp_level_count = 0;
1119 	for (i = 0; i < table->count; i++) {
1120 		pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1121 		pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1122 
1123 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1124 							 table->entries[i].clk, false, &dividers);
1125 		if (ret)
1126 			return ret;
1127 		pi->acp_level[i].Divider = (u8)dividers.post_div;
1128 
1129 		pi->acp_level_count++;
1130 	}
1131 
1132 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1133 				   pi->dpm_table_start +
1134 				   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1135 				   (u8 *)&pi->acp_level_count,
1136 				   sizeof(u8),
1137 				   pi->sram_end);
1138 	if (ret)
1139 		return ret;
1140 
1141 	pi->acp_interval = 1;
1142 
1143 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1144 				   pi->dpm_table_start +
1145 				   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1146 				   (u8 *)&pi->acp_interval,
1147 				   sizeof(u8),
1148 				   pi->sram_end);
1149 	if (ret)
1150 		return ret;
1151 
1152 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1153 				   pi->dpm_table_start +
1154 				   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1155 				   (u8 *)&pi->acp_level,
1156 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1157 				   pi->sram_end);
1158 	if (ret)
1159 		return ret;
1160 
1161 	return ret;
1162 }
1163 
kv_calculate_dfs_bypass_settings(struct amdgpu_device * adev)1164 static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
1165 {
1166 	struct kv_power_info *pi = kv_get_pi(adev);
1167 	u32 i;
1168 	struct amdgpu_clock_voltage_dependency_table *table =
1169 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1170 
1171 	if (table && table->count) {
1172 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1173 			if (pi->caps_enable_dfs_bypass) {
1174 				if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1175 					pi->graphics_level[i].ClkBypassCntl = 3;
1176 				else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1177 					pi->graphics_level[i].ClkBypassCntl = 2;
1178 				else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1179 					pi->graphics_level[i].ClkBypassCntl = 7;
1180 				else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200)
1181 					pi->graphics_level[i].ClkBypassCntl = 6;
1182 				else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200)
1183 					pi->graphics_level[i].ClkBypassCntl = 8;
1184 				else
1185 					pi->graphics_level[i].ClkBypassCntl = 0;
1186 			} else {
1187 				pi->graphics_level[i].ClkBypassCntl = 0;
1188 			}
1189 		}
1190 	} else {
1191 		struct sumo_sclk_voltage_mapping_table *table =
1192 			&pi->sys_info.sclk_voltage_mapping_table;
1193 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1194 			if (pi->caps_enable_dfs_bypass) {
1195 				if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1196 					pi->graphics_level[i].ClkBypassCntl = 3;
1197 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1198 					pi->graphics_level[i].ClkBypassCntl = 2;
1199 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1200 					pi->graphics_level[i].ClkBypassCntl = 7;
1201 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1202 					pi->graphics_level[i].ClkBypassCntl = 6;
1203 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1204 					pi->graphics_level[i].ClkBypassCntl = 8;
1205 				else
1206 					pi->graphics_level[i].ClkBypassCntl = 0;
1207 			} else {
1208 				pi->graphics_level[i].ClkBypassCntl = 0;
1209 			}
1210 		}
1211 	}
1212 }
1213 
kv_enable_ulv(struct amdgpu_device * adev,bool enable)1214 static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
1215 {
1216 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1217 					PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1218 }
1219 
kv_reset_acp_boot_level(struct amdgpu_device * adev)1220 static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
1221 {
1222 	struct kv_power_info *pi = kv_get_pi(adev);
1223 
1224 	pi->acp_boot_level = 0xff;
1225 }
1226 
kv_update_current_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1227 static void kv_update_current_ps(struct amdgpu_device *adev,
1228 				 struct amdgpu_ps *rps)
1229 {
1230 	struct kv_ps *new_ps = kv_get_ps(rps);
1231 	struct kv_power_info *pi = kv_get_pi(adev);
1232 
1233 	pi->current_rps = *rps;
1234 	pi->current_ps = *new_ps;
1235 	pi->current_rps.ps_priv = &pi->current_ps;
1236 }
1237 
kv_update_requested_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1238 static void kv_update_requested_ps(struct amdgpu_device *adev,
1239 				   struct amdgpu_ps *rps)
1240 {
1241 	struct kv_ps *new_ps = kv_get_ps(rps);
1242 	struct kv_power_info *pi = kv_get_pi(adev);
1243 
1244 	pi->requested_rps = *rps;
1245 	pi->requested_ps = *new_ps;
1246 	pi->requested_rps.ps_priv = &pi->requested_ps;
1247 }
1248 
kv_dpm_enable_bapm(struct amdgpu_device * adev,bool enable)1249 static void kv_dpm_enable_bapm(struct amdgpu_device *adev, bool enable)
1250 {
1251 	struct kv_power_info *pi = kv_get_pi(adev);
1252 	int ret;
1253 
1254 	if (pi->bapm_enable) {
1255 		ret = amdgpu_kv_smc_bapm_enable(adev, enable);
1256 		if (ret)
1257 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1258 	}
1259 }
1260 
kv_dpm_enable(struct amdgpu_device * adev)1261 static int kv_dpm_enable(struct amdgpu_device *adev)
1262 {
1263 	struct kv_power_info *pi = kv_get_pi(adev);
1264 	int ret;
1265 
1266 	ret = kv_process_firmware_header(adev);
1267 	if (ret) {
1268 		DRM_ERROR("kv_process_firmware_header failed\n");
1269 		return ret;
1270 	}
1271 	kv_init_fps_limits(adev);
1272 	kv_init_graphics_levels(adev);
1273 	ret = kv_program_bootup_state(adev);
1274 	if (ret) {
1275 		DRM_ERROR("kv_program_bootup_state failed\n");
1276 		return ret;
1277 	}
1278 	kv_calculate_dfs_bypass_settings(adev);
1279 	ret = kv_upload_dpm_settings(adev);
1280 	if (ret) {
1281 		DRM_ERROR("kv_upload_dpm_settings failed\n");
1282 		return ret;
1283 	}
1284 	ret = kv_populate_uvd_table(adev);
1285 	if (ret) {
1286 		DRM_ERROR("kv_populate_uvd_table failed\n");
1287 		return ret;
1288 	}
1289 	ret = kv_populate_vce_table(adev);
1290 	if (ret) {
1291 		DRM_ERROR("kv_populate_vce_table failed\n");
1292 		return ret;
1293 	}
1294 	ret = kv_populate_samu_table(adev);
1295 	if (ret) {
1296 		DRM_ERROR("kv_populate_samu_table failed\n");
1297 		return ret;
1298 	}
1299 	ret = kv_populate_acp_table(adev);
1300 	if (ret) {
1301 		DRM_ERROR("kv_populate_acp_table failed\n");
1302 		return ret;
1303 	}
1304 	kv_program_vc(adev);
1305 #if 0
1306 	kv_initialize_hardware_cac_manager(adev);
1307 #endif
1308 	kv_start_am(adev);
1309 	if (pi->enable_auto_thermal_throttling) {
1310 		ret = kv_enable_auto_thermal_throttling(adev);
1311 		if (ret) {
1312 			DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
1313 			return ret;
1314 		}
1315 	}
1316 	ret = kv_enable_dpm_voltage_scaling(adev);
1317 	if (ret) {
1318 		DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
1319 		return ret;
1320 	}
1321 	ret = kv_set_dpm_interval(adev);
1322 	if (ret) {
1323 		DRM_ERROR("kv_set_dpm_interval failed\n");
1324 		return ret;
1325 	}
1326 	ret = kv_set_dpm_boot_state(adev);
1327 	if (ret) {
1328 		DRM_ERROR("kv_set_dpm_boot_state failed\n");
1329 		return ret;
1330 	}
1331 	ret = kv_enable_ulv(adev, true);
1332 	if (ret) {
1333 		DRM_ERROR("kv_enable_ulv failed\n");
1334 		return ret;
1335 	}
1336 	kv_start_dpm(adev);
1337 	ret = kv_enable_didt(adev, true);
1338 	if (ret) {
1339 		DRM_ERROR("kv_enable_didt failed\n");
1340 		return ret;
1341 	}
1342 	ret = kv_enable_smc_cac(adev, true);
1343 	if (ret) {
1344 		DRM_ERROR("kv_enable_smc_cac failed\n");
1345 		return ret;
1346 	}
1347 
1348 	kv_reset_acp_boot_level(adev);
1349 
1350 	ret = amdgpu_kv_smc_bapm_enable(adev, false);
1351 	if (ret) {
1352 		DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1353 		return ret;
1354 	}
1355 
1356 	kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1357 
1358 	if (adev->irq.installed &&
1359 	    amdgpu_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
1360 		ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
1361 		if (ret) {
1362 			DRM_ERROR("kv_set_thermal_temperature_range failed\n");
1363 			return ret;
1364 		}
1365 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1366 			       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1367 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1368 			       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1369 	}
1370 
1371 	return ret;
1372 }
1373 
kv_dpm_disable(struct amdgpu_device * adev)1374 static void kv_dpm_disable(struct amdgpu_device *adev)
1375 {
1376 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1377 		       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1378 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1379 		       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1380 
1381 	amdgpu_kv_smc_bapm_enable(adev, false);
1382 
1383 	if (adev->asic_type == CHIP_MULLINS)
1384 		kv_enable_nb_dpm(adev, false);
1385 
1386 	/* powerup blocks */
1387 	kv_dpm_powergate_acp(adev, false);
1388 	kv_dpm_powergate_samu(adev, false);
1389 	kv_dpm_powergate_vce(adev, false);
1390 	kv_dpm_powergate_uvd(adev, false);
1391 
1392 	kv_enable_smc_cac(adev, false);
1393 	kv_enable_didt(adev, false);
1394 	kv_clear_vc(adev);
1395 	kv_stop_dpm(adev);
1396 	kv_enable_ulv(adev, false);
1397 	kv_reset_am(adev);
1398 
1399 	kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1400 }
1401 
1402 #if 0
1403 static int kv_write_smc_soft_register(struct amdgpu_device *adev,
1404 				      u16 reg_offset, u32 value)
1405 {
1406 	struct kv_power_info *pi = kv_get_pi(adev);
1407 
1408 	return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
1409 				    (u8 *)&value, sizeof(u16), pi->sram_end);
1410 }
1411 
1412 static int kv_read_smc_soft_register(struct amdgpu_device *adev,
1413 				     u16 reg_offset, u32 *value)
1414 {
1415 	struct kv_power_info *pi = kv_get_pi(adev);
1416 
1417 	return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
1418 				      value, pi->sram_end);
1419 }
1420 #endif
1421 
kv_init_sclk_t(struct amdgpu_device * adev)1422 static void kv_init_sclk_t(struct amdgpu_device *adev)
1423 {
1424 	struct kv_power_info *pi = kv_get_pi(adev);
1425 
1426 	pi->low_sclk_interrupt_t = 0;
1427 }
1428 
kv_init_fps_limits(struct amdgpu_device * adev)1429 static int kv_init_fps_limits(struct amdgpu_device *adev)
1430 {
1431 	struct kv_power_info *pi = kv_get_pi(adev);
1432 	int ret = 0;
1433 
1434 	if (pi->caps_fps) {
1435 		u16 tmp;
1436 
1437 		tmp = 45;
1438 		pi->fps_high_t = cpu_to_be16(tmp);
1439 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1440 					   pi->dpm_table_start +
1441 					   offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1442 					   (u8 *)&pi->fps_high_t,
1443 					   sizeof(u16), pi->sram_end);
1444 
1445 		tmp = 30;
1446 		pi->fps_low_t = cpu_to_be16(tmp);
1447 
1448 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1449 					   pi->dpm_table_start +
1450 					   offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1451 					   (u8 *)&pi->fps_low_t,
1452 					   sizeof(u16), pi->sram_end);
1453 
1454 	}
1455 	return ret;
1456 }
1457 
kv_init_powergate_state(struct amdgpu_device * adev)1458 static void kv_init_powergate_state(struct amdgpu_device *adev)
1459 {
1460 	struct kv_power_info *pi = kv_get_pi(adev);
1461 
1462 	pi->uvd_power_gated = false;
1463 	pi->vce_power_gated = false;
1464 	pi->samu_power_gated = false;
1465 	pi->acp_power_gated = false;
1466 
1467 }
1468 
kv_enable_uvd_dpm(struct amdgpu_device * adev,bool enable)1469 static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1470 {
1471 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1472 					PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1473 }
1474 
kv_enable_vce_dpm(struct amdgpu_device * adev,bool enable)1475 static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1476 {
1477 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1478 					PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1479 }
1480 
kv_enable_samu_dpm(struct amdgpu_device * adev,bool enable)1481 static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
1482 {
1483 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1484 					PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1485 }
1486 
kv_enable_acp_dpm(struct amdgpu_device * adev,bool enable)1487 static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
1488 {
1489 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1490 					PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1491 }
1492 
kv_update_uvd_dpm(struct amdgpu_device * adev,bool gate)1493 static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1494 {
1495 	struct kv_power_info *pi = kv_get_pi(adev);
1496 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
1497 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1498 	int ret;
1499 	u32 mask;
1500 
1501 	if (!gate) {
1502 		if (table->count)
1503 			pi->uvd_boot_level = table->count - 1;
1504 		else
1505 			pi->uvd_boot_level = 0;
1506 
1507 		if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1508 			mask = 1 << pi->uvd_boot_level;
1509 		} else {
1510 			mask = 0x1f;
1511 		}
1512 
1513 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1514 					   pi->dpm_table_start +
1515 					   offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1516 					   (uint8_t *)&pi->uvd_boot_level,
1517 					   sizeof(u8), pi->sram_end);
1518 		if (ret)
1519 			return ret;
1520 
1521 		amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1522 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
1523 						  mask);
1524 	}
1525 
1526 	return kv_enable_uvd_dpm(adev, !gate);
1527 }
1528 
kv_get_vce_boot_level(struct amdgpu_device * adev,u32 evclk)1529 static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
1530 {
1531 	u8 i;
1532 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1533 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1534 
1535 	for (i = 0; i < table->count; i++) {
1536 		if (table->entries[i].evclk >= evclk)
1537 			break;
1538 	}
1539 
1540 	return i;
1541 }
1542 
kv_update_vce_dpm(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)1543 static int kv_update_vce_dpm(struct amdgpu_device *adev,
1544 			     struct amdgpu_ps *amdgpu_new_state,
1545 			     struct amdgpu_ps *amdgpu_current_state)
1546 {
1547 	struct kv_power_info *pi = kv_get_pi(adev);
1548 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1549 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1550 	int ret;
1551 
1552 	if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
1553 		kv_dpm_powergate_vce(adev, false);
1554 		/* turn the clocks on when encoding */
1555 		ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1556 						    AMD_CG_STATE_UNGATE);
1557 		if (ret)
1558 			return ret;
1559 		if (pi->caps_stable_p_state)
1560 			pi->vce_boot_level = table->count - 1;
1561 		else
1562 			pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk);
1563 
1564 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1565 					   pi->dpm_table_start +
1566 					   offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
1567 					   (u8 *)&pi->vce_boot_level,
1568 					   sizeof(u8),
1569 					   pi->sram_end);
1570 		if (ret)
1571 			return ret;
1572 
1573 		if (pi->caps_stable_p_state)
1574 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1575 							  PPSMC_MSG_VCEDPM_SetEnabledMask,
1576 							  (1 << pi->vce_boot_level));
1577 
1578 		kv_enable_vce_dpm(adev, true);
1579 	} else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
1580 		kv_enable_vce_dpm(adev, false);
1581 		/* turn the clocks off when not encoding */
1582 		ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1583 						    AMD_CG_STATE_GATE);
1584 		if (ret)
1585 			return ret;
1586 		kv_dpm_powergate_vce(adev, true);
1587 	}
1588 
1589 	return 0;
1590 }
1591 
kv_update_samu_dpm(struct amdgpu_device * adev,bool gate)1592 static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
1593 {
1594 	struct kv_power_info *pi = kv_get_pi(adev);
1595 	struct amdgpu_clock_voltage_dependency_table *table =
1596 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1597 	int ret;
1598 
1599 	if (!gate) {
1600 		if (pi->caps_stable_p_state)
1601 			pi->samu_boot_level = table->count - 1;
1602 		else
1603 			pi->samu_boot_level = 0;
1604 
1605 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1606 					   pi->dpm_table_start +
1607 					   offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1608 					   (u8 *)&pi->samu_boot_level,
1609 					   sizeof(u8),
1610 					   pi->sram_end);
1611 		if (ret)
1612 			return ret;
1613 
1614 		if (pi->caps_stable_p_state)
1615 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1616 							  PPSMC_MSG_SAMUDPM_SetEnabledMask,
1617 							  (1 << pi->samu_boot_level));
1618 	}
1619 
1620 	return kv_enable_samu_dpm(adev, !gate);
1621 }
1622 
kv_get_acp_boot_level(struct amdgpu_device * adev)1623 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
1624 {
1625 	u8 i;
1626 	struct amdgpu_clock_voltage_dependency_table *table =
1627 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1628 
1629 	for (i = 0; i < table->count; i++) {
1630 		if (table->entries[i].clk >= 0) /* XXX */
1631 			break;
1632 	}
1633 
1634 	if (i >= table->count)
1635 		i = table->count - 1;
1636 
1637 	return i;
1638 }
1639 
kv_update_acp_boot_level(struct amdgpu_device * adev)1640 static void kv_update_acp_boot_level(struct amdgpu_device *adev)
1641 {
1642 	struct kv_power_info *pi = kv_get_pi(adev);
1643 	u8 acp_boot_level;
1644 
1645 	if (!pi->caps_stable_p_state) {
1646 		acp_boot_level = kv_get_acp_boot_level(adev);
1647 		if (acp_boot_level != pi->acp_boot_level) {
1648 			pi->acp_boot_level = acp_boot_level;
1649 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1650 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1651 							  (1 << pi->acp_boot_level));
1652 		}
1653 	}
1654 }
1655 
kv_update_acp_dpm(struct amdgpu_device * adev,bool gate)1656 static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
1657 {
1658 	struct kv_power_info *pi = kv_get_pi(adev);
1659 	struct amdgpu_clock_voltage_dependency_table *table =
1660 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1661 	int ret;
1662 
1663 	if (!gate) {
1664 		if (pi->caps_stable_p_state)
1665 			pi->acp_boot_level = table->count - 1;
1666 		else
1667 			pi->acp_boot_level = kv_get_acp_boot_level(adev);
1668 
1669 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1670 					   pi->dpm_table_start +
1671 					   offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1672 					   (u8 *)&pi->acp_boot_level,
1673 					   sizeof(u8),
1674 					   pi->sram_end);
1675 		if (ret)
1676 			return ret;
1677 
1678 		if (pi->caps_stable_p_state)
1679 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1680 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1681 							  (1 << pi->acp_boot_level));
1682 	}
1683 
1684 	return kv_enable_acp_dpm(adev, !gate);
1685 }
1686 
kv_dpm_powergate_uvd(struct amdgpu_device * adev,bool gate)1687 static void kv_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate)
1688 {
1689 	struct kv_power_info *pi = kv_get_pi(adev);
1690 	int ret;
1691 
1692 	if (pi->uvd_power_gated == gate)
1693 		return;
1694 
1695 	pi->uvd_power_gated = gate;
1696 
1697 	if (gate) {
1698 		if (pi->caps_uvd_pg) {
1699 			/* disable clockgating so we can properly shut down the block */
1700 			ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1701 							    AMD_CG_STATE_UNGATE);
1702 			/* shutdown the UVD block */
1703 			ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1704 							    AMD_PG_STATE_GATE);
1705 			/* XXX: check for errors */
1706 		}
1707 		kv_update_uvd_dpm(adev, gate);
1708 		if (pi->caps_uvd_pg)
1709 			/* power off the UVD block */
1710 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
1711 	} else {
1712 		if (pi->caps_uvd_pg) {
1713 			/* power on the UVD block */
1714 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1715 			/* re-init the UVD block */
1716 			ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1717 							    AMD_PG_STATE_UNGATE);
1718 			/* enable clockgating. hw will dynamically gate/ungate clocks on the fly */
1719 			ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1720 							    AMD_CG_STATE_GATE);
1721 			/* XXX: check for errors */
1722 		}
1723 		kv_update_uvd_dpm(adev, gate);
1724 	}
1725 }
1726 
kv_dpm_powergate_vce(struct amdgpu_device * adev,bool gate)1727 static void kv_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
1728 {
1729 	struct kv_power_info *pi = kv_get_pi(adev);
1730 	int ret;
1731 
1732 	if (pi->vce_power_gated == gate)
1733 		return;
1734 
1735 	pi->vce_power_gated = gate;
1736 
1737 	if (gate) {
1738 		if (pi->caps_vce_pg) {
1739 			/* shutdown the VCE block */
1740 			ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1741 							    AMD_PG_STATE_GATE);
1742 			/* XXX: check for errors */
1743 			/* power off the VCE block */
1744 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
1745 		}
1746 	} else {
1747 		if (pi->caps_vce_pg) {
1748 			/* power on the VCE block */
1749 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1750 			/* re-init the VCE block */
1751 			ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1752 							    AMD_PG_STATE_UNGATE);
1753 			/* XXX: check for errors */
1754 		}
1755 	}
1756 }
1757 
kv_dpm_powergate_samu(struct amdgpu_device * adev,bool gate)1758 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
1759 {
1760 	struct kv_power_info *pi = kv_get_pi(adev);
1761 
1762 	if (pi->samu_power_gated == gate)
1763 		return;
1764 
1765 	pi->samu_power_gated = gate;
1766 
1767 	if (gate) {
1768 		kv_update_samu_dpm(adev, true);
1769 		if (pi->caps_samu_pg)
1770 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
1771 	} else {
1772 		if (pi->caps_samu_pg)
1773 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
1774 		kv_update_samu_dpm(adev, false);
1775 	}
1776 }
1777 
kv_dpm_powergate_acp(struct amdgpu_device * adev,bool gate)1778 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
1779 {
1780 	struct kv_power_info *pi = kv_get_pi(adev);
1781 
1782 	if (pi->acp_power_gated == gate)
1783 		return;
1784 
1785 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
1786 		return;
1787 
1788 	pi->acp_power_gated = gate;
1789 
1790 	if (gate) {
1791 		kv_update_acp_dpm(adev, true);
1792 		if (pi->caps_acp_pg)
1793 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
1794 	} else {
1795 		if (pi->caps_acp_pg)
1796 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
1797 		kv_update_acp_dpm(adev, false);
1798 	}
1799 }
1800 
kv_set_valid_clock_range(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1801 static void kv_set_valid_clock_range(struct amdgpu_device *adev,
1802 				     struct amdgpu_ps *new_rps)
1803 {
1804 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1805 	struct kv_power_info *pi = kv_get_pi(adev);
1806 	u32 i;
1807 	struct amdgpu_clock_voltage_dependency_table *table =
1808 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1809 
1810 	if (table && table->count) {
1811 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1812 			if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1813 			    (i == (pi->graphics_dpm_level_count - 1))) {
1814 				pi->lowest_valid = i;
1815 				break;
1816 			}
1817 		}
1818 
1819 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1820 			if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1821 				break;
1822 		}
1823 		pi->highest_valid = i;
1824 
1825 		if (pi->lowest_valid > pi->highest_valid) {
1826 			if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1827 			    (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1828 				pi->highest_valid = pi->lowest_valid;
1829 			else
1830 				pi->lowest_valid =  pi->highest_valid;
1831 		}
1832 	} else {
1833 		struct sumo_sclk_voltage_mapping_table *table =
1834 			&pi->sys_info.sclk_voltage_mapping_table;
1835 
1836 		for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1837 			if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1838 			    i == (int)(pi->graphics_dpm_level_count - 1)) {
1839 				pi->lowest_valid = i;
1840 				break;
1841 			}
1842 		}
1843 
1844 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1845 			if (table->entries[i].sclk_frequency <=
1846 			    new_ps->levels[new_ps->num_levels - 1].sclk)
1847 				break;
1848 		}
1849 		pi->highest_valid = i;
1850 
1851 		if (pi->lowest_valid > pi->highest_valid) {
1852 			if ((new_ps->levels[0].sclk -
1853 			     table->entries[pi->highest_valid].sclk_frequency) >
1854 			    (table->entries[pi->lowest_valid].sclk_frequency -
1855 			     new_ps->levels[new_ps->num_levels -1].sclk))
1856 				pi->highest_valid = pi->lowest_valid;
1857 			else
1858 				pi->lowest_valid =  pi->highest_valid;
1859 		}
1860 	}
1861 }
1862 
kv_update_dfs_bypass_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1863 static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
1864 					 struct amdgpu_ps *new_rps)
1865 {
1866 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1867 	struct kv_power_info *pi = kv_get_pi(adev);
1868 	int ret = 0;
1869 	u8 clk_bypass_cntl;
1870 
1871 	if (pi->caps_enable_dfs_bypass) {
1872 		clk_bypass_cntl = new_ps->need_dfs_bypass ?
1873 			pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1874 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1875 					   (pi->dpm_table_start +
1876 					    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1877 					    (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1878 					    offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1879 					   &clk_bypass_cntl,
1880 					   sizeof(u8), pi->sram_end);
1881 	}
1882 
1883 	return ret;
1884 }
1885 
kv_enable_nb_dpm(struct amdgpu_device * adev,bool enable)1886 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
1887 			    bool enable)
1888 {
1889 	struct kv_power_info *pi = kv_get_pi(adev);
1890 	int ret = 0;
1891 
1892 	if (enable) {
1893 		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1894 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
1895 			if (ret == 0)
1896 				pi->nb_dpm_enabled = true;
1897 		}
1898 	} else {
1899 		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1900 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
1901 			if (ret == 0)
1902 				pi->nb_dpm_enabled = false;
1903 		}
1904 	}
1905 
1906 	return ret;
1907 }
1908 
kv_dpm_force_performance_level(struct amdgpu_device * adev,enum amdgpu_dpm_forced_level level)1909 static int kv_dpm_force_performance_level(struct amdgpu_device *adev,
1910 					  enum amdgpu_dpm_forced_level level)
1911 {
1912 	int ret;
1913 
1914 	if (level == AMDGPU_DPM_FORCED_LEVEL_HIGH) {
1915 		ret = kv_force_dpm_highest(adev);
1916 		if (ret)
1917 			return ret;
1918 	} else if (level == AMDGPU_DPM_FORCED_LEVEL_LOW) {
1919 		ret = kv_force_dpm_lowest(adev);
1920 		if (ret)
1921 			return ret;
1922 	} else if (level == AMDGPU_DPM_FORCED_LEVEL_AUTO) {
1923 		ret = kv_unforce_levels(adev);
1924 		if (ret)
1925 			return ret;
1926 	}
1927 
1928 	adev->pm.dpm.forced_level = level;
1929 
1930 	return 0;
1931 }
1932 
kv_dpm_pre_set_power_state(struct amdgpu_device * adev)1933 static int kv_dpm_pre_set_power_state(struct amdgpu_device *adev)
1934 {
1935 	struct kv_power_info *pi = kv_get_pi(adev);
1936 	struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1937 	struct amdgpu_ps *new_ps = &requested_ps;
1938 
1939 	kv_update_requested_ps(adev, new_ps);
1940 
1941 	kv_apply_state_adjust_rules(adev,
1942 				    &pi->requested_rps,
1943 				    &pi->current_rps);
1944 
1945 	return 0;
1946 }
1947 
kv_dpm_set_power_state(struct amdgpu_device * adev)1948 static int kv_dpm_set_power_state(struct amdgpu_device *adev)
1949 {
1950 	struct kv_power_info *pi = kv_get_pi(adev);
1951 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1952 	struct amdgpu_ps *old_ps = &pi->current_rps;
1953 	int ret;
1954 
1955 	if (pi->bapm_enable) {
1956 		ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.dpm.ac_power);
1957 		if (ret) {
1958 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1959 			return ret;
1960 		}
1961 	}
1962 
1963 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
1964 		if (pi->enable_dpm) {
1965 			kv_set_valid_clock_range(adev, new_ps);
1966 			kv_update_dfs_bypass_settings(adev, new_ps);
1967 			ret = kv_calculate_ds_divider(adev);
1968 			if (ret) {
1969 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1970 				return ret;
1971 			}
1972 			kv_calculate_nbps_level_settings(adev);
1973 			kv_calculate_dpm_settings(adev);
1974 			kv_force_lowest_valid(adev);
1975 			kv_enable_new_levels(adev);
1976 			kv_upload_dpm_settings(adev);
1977 			kv_program_nbps_index_settings(adev, new_ps);
1978 			kv_unforce_levels(adev);
1979 			kv_set_enabled_levels(adev);
1980 			kv_force_lowest_valid(adev);
1981 			kv_unforce_levels(adev);
1982 
1983 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1984 			if (ret) {
1985 				DRM_ERROR("kv_update_vce_dpm failed\n");
1986 				return ret;
1987 			}
1988 			kv_update_sclk_t(adev);
1989 			if (adev->asic_type == CHIP_MULLINS)
1990 				kv_enable_nb_dpm(adev, true);
1991 		}
1992 	} else {
1993 		if (pi->enable_dpm) {
1994 			kv_set_valid_clock_range(adev, new_ps);
1995 			kv_update_dfs_bypass_settings(adev, new_ps);
1996 			ret = kv_calculate_ds_divider(adev);
1997 			if (ret) {
1998 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1999 				return ret;
2000 			}
2001 			kv_calculate_nbps_level_settings(adev);
2002 			kv_calculate_dpm_settings(adev);
2003 			kv_freeze_sclk_dpm(adev, true);
2004 			kv_upload_dpm_settings(adev);
2005 			kv_program_nbps_index_settings(adev, new_ps);
2006 			kv_freeze_sclk_dpm(adev, false);
2007 			kv_set_enabled_levels(adev);
2008 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
2009 			if (ret) {
2010 				DRM_ERROR("kv_update_vce_dpm failed\n");
2011 				return ret;
2012 			}
2013 			kv_update_acp_boot_level(adev);
2014 			kv_update_sclk_t(adev);
2015 			kv_enable_nb_dpm(adev, true);
2016 		}
2017 	}
2018 
2019 	return 0;
2020 }
2021 
kv_dpm_post_set_power_state(struct amdgpu_device * adev)2022 static void kv_dpm_post_set_power_state(struct amdgpu_device *adev)
2023 {
2024 	struct kv_power_info *pi = kv_get_pi(adev);
2025 	struct amdgpu_ps *new_ps = &pi->requested_rps;
2026 
2027 	kv_update_current_ps(adev, new_ps);
2028 }
2029 
kv_dpm_setup_asic(struct amdgpu_device * adev)2030 static void kv_dpm_setup_asic(struct amdgpu_device *adev)
2031 {
2032 	sumo_take_smu_control(adev, true);
2033 	kv_init_powergate_state(adev);
2034 	kv_init_sclk_t(adev);
2035 }
2036 
2037 #if 0
2038 static void kv_dpm_reset_asic(struct amdgpu_device *adev)
2039 {
2040 	struct kv_power_info *pi = kv_get_pi(adev);
2041 
2042 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2043 		kv_force_lowest_valid(adev);
2044 		kv_init_graphics_levels(adev);
2045 		kv_program_bootup_state(adev);
2046 		kv_upload_dpm_settings(adev);
2047 		kv_force_lowest_valid(adev);
2048 		kv_unforce_levels(adev);
2049 	} else {
2050 		kv_init_graphics_levels(adev);
2051 		kv_program_bootup_state(adev);
2052 		kv_freeze_sclk_dpm(adev, true);
2053 		kv_upload_dpm_settings(adev);
2054 		kv_freeze_sclk_dpm(adev, false);
2055 		kv_set_enabled_level(adev, pi->graphics_boot_level);
2056 	}
2057 }
2058 #endif
2059 
kv_construct_max_power_limits_table(struct amdgpu_device * adev,struct amdgpu_clock_and_voltage_limits * table)2060 static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
2061 						struct amdgpu_clock_and_voltage_limits *table)
2062 {
2063 	struct kv_power_info *pi = kv_get_pi(adev);
2064 
2065 	if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
2066 		int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
2067 		table->sclk =
2068 			pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
2069 		table->vddc =
2070 			kv_convert_2bit_index_to_voltage(adev,
2071 							 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
2072 	}
2073 
2074 	table->mclk = pi->sys_info.nbp_memory_clock[0];
2075 }
2076 
kv_patch_voltage_values(struct amdgpu_device * adev)2077 static void kv_patch_voltage_values(struct amdgpu_device *adev)
2078 {
2079 	int i;
2080 	struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
2081 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
2082 	struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
2083 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
2084 	struct amdgpu_clock_voltage_dependency_table *samu_table =
2085 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
2086 	struct amdgpu_clock_voltage_dependency_table *acp_table =
2087 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
2088 
2089 	if (uvd_table->count) {
2090 		for (i = 0; i < uvd_table->count; i++)
2091 			uvd_table->entries[i].v =
2092 				kv_convert_8bit_index_to_voltage(adev,
2093 								 uvd_table->entries[i].v);
2094 	}
2095 
2096 	if (vce_table->count) {
2097 		for (i = 0; i < vce_table->count; i++)
2098 			vce_table->entries[i].v =
2099 				kv_convert_8bit_index_to_voltage(adev,
2100 								 vce_table->entries[i].v);
2101 	}
2102 
2103 	if (samu_table->count) {
2104 		for (i = 0; i < samu_table->count; i++)
2105 			samu_table->entries[i].v =
2106 				kv_convert_8bit_index_to_voltage(adev,
2107 								 samu_table->entries[i].v);
2108 	}
2109 
2110 	if (acp_table->count) {
2111 		for (i = 0; i < acp_table->count; i++)
2112 			acp_table->entries[i].v =
2113 				kv_convert_8bit_index_to_voltage(adev,
2114 								 acp_table->entries[i].v);
2115 	}
2116 
2117 }
2118 
kv_construct_boot_state(struct amdgpu_device * adev)2119 static void kv_construct_boot_state(struct amdgpu_device *adev)
2120 {
2121 	struct kv_power_info *pi = kv_get_pi(adev);
2122 
2123 	pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2124 	pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2125 	pi->boot_pl.ds_divider_index = 0;
2126 	pi->boot_pl.ss_divider_index = 0;
2127 	pi->boot_pl.allow_gnb_slow = 1;
2128 	pi->boot_pl.force_nbp_state = 0;
2129 	pi->boot_pl.display_wm = 0;
2130 	pi->boot_pl.vce_wm = 0;
2131 }
2132 
kv_force_dpm_highest(struct amdgpu_device * adev)2133 static int kv_force_dpm_highest(struct amdgpu_device *adev)
2134 {
2135 	int ret;
2136 	u32 enable_mask, i;
2137 
2138 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2139 	if (ret)
2140 		return ret;
2141 
2142 	for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2143 		if (enable_mask & (1 << i))
2144 			break;
2145 	}
2146 
2147 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2148 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2149 	else
2150 		return kv_set_enabled_level(adev, i);
2151 }
2152 
kv_force_dpm_lowest(struct amdgpu_device * adev)2153 static int kv_force_dpm_lowest(struct amdgpu_device *adev)
2154 {
2155 	int ret;
2156 	u32 enable_mask, i;
2157 
2158 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2159 	if (ret)
2160 		return ret;
2161 
2162 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2163 		if (enable_mask & (1 << i))
2164 			break;
2165 	}
2166 
2167 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2168 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2169 	else
2170 		return kv_set_enabled_level(adev, i);
2171 }
2172 
kv_get_sleep_divider_id_from_clock(struct amdgpu_device * adev,u32 sclk,u32 min_sclk_in_sr)2173 static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
2174 					     u32 sclk, u32 min_sclk_in_sr)
2175 {
2176 	struct kv_power_info *pi = kv_get_pi(adev);
2177 	u32 i;
2178 	u32 temp;
2179 	u32 min = (min_sclk_in_sr > KV_MINIMUM_ENGINE_CLOCK) ?
2180 		min_sclk_in_sr : KV_MINIMUM_ENGINE_CLOCK;
2181 
2182 	if (sclk < min)
2183 		return 0;
2184 
2185 	if (!pi->caps_sclk_ds)
2186 		return 0;
2187 
2188 	for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2189 		temp = sclk / sumo_get_sleep_divider_from_id(i);
2190 		if (temp >= min)
2191 			break;
2192 	}
2193 
2194 	return (u8)i;
2195 }
2196 
kv_get_high_voltage_limit(struct amdgpu_device * adev,int * limit)2197 static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
2198 {
2199 	struct kv_power_info *pi = kv_get_pi(adev);
2200 	struct amdgpu_clock_voltage_dependency_table *table =
2201 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2202 	int i;
2203 
2204 	if (table && table->count) {
2205 		for (i = table->count - 1; i >= 0; i--) {
2206 			if (pi->high_voltage_t &&
2207 			    (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
2208 			     pi->high_voltage_t)) {
2209 				*limit = i;
2210 				return 0;
2211 			}
2212 		}
2213 	} else {
2214 		struct sumo_sclk_voltage_mapping_table *table =
2215 			&pi->sys_info.sclk_voltage_mapping_table;
2216 
2217 		for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2218 			if (pi->high_voltage_t &&
2219 			    (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
2220 			     pi->high_voltage_t)) {
2221 				*limit = i;
2222 				return 0;
2223 			}
2224 		}
2225 	}
2226 
2227 	*limit = 0;
2228 	return 0;
2229 }
2230 
kv_apply_state_adjust_rules(struct amdgpu_device * adev,struct amdgpu_ps * new_rps,struct amdgpu_ps * old_rps)2231 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
2232 					struct amdgpu_ps *new_rps,
2233 					struct amdgpu_ps *old_rps)
2234 {
2235 	struct kv_ps *ps = kv_get_ps(new_rps);
2236 	struct kv_power_info *pi = kv_get_pi(adev);
2237 	u32 min_sclk = 10000; /* ??? */
2238 	u32 sclk, mclk = 0;
2239 	int i, limit;
2240 	bool force_high;
2241 	struct amdgpu_clock_voltage_dependency_table *table =
2242 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2243 	u32 stable_p_state_sclk = 0;
2244 	struct amdgpu_clock_and_voltage_limits *max_limits =
2245 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2246 
2247 	if (new_rps->vce_active) {
2248 		new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
2249 		new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
2250 	} else {
2251 		new_rps->evclk = 0;
2252 		new_rps->ecclk = 0;
2253 	}
2254 
2255 	mclk = max_limits->mclk;
2256 	sclk = min_sclk;
2257 
2258 	if (pi->caps_stable_p_state) {
2259 		stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2260 
2261 		for (i = table->count - 1; i >= 0; i++) {
2262 			if (stable_p_state_sclk >= table->entries[i].clk) {
2263 				stable_p_state_sclk = table->entries[i].clk;
2264 				break;
2265 			}
2266 		}
2267 
2268 		if (i > 0)
2269 			stable_p_state_sclk = table->entries[0].clk;
2270 
2271 		sclk = stable_p_state_sclk;
2272 	}
2273 
2274 	if (new_rps->vce_active) {
2275 		if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
2276 			sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
2277 	}
2278 
2279 	ps->need_dfs_bypass = true;
2280 
2281 	for (i = 0; i < ps->num_levels; i++) {
2282 		if (ps->levels[i].sclk < sclk)
2283 			ps->levels[i].sclk = sclk;
2284 	}
2285 
2286 	if (table && table->count) {
2287 		for (i = 0; i < ps->num_levels; i++) {
2288 			if (pi->high_voltage_t &&
2289 			    (pi->high_voltage_t <
2290 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2291 				kv_get_high_voltage_limit(adev, &limit);
2292 				ps->levels[i].sclk = table->entries[limit].clk;
2293 			}
2294 		}
2295 	} else {
2296 		struct sumo_sclk_voltage_mapping_table *table =
2297 			&pi->sys_info.sclk_voltage_mapping_table;
2298 
2299 		for (i = 0; i < ps->num_levels; i++) {
2300 			if (pi->high_voltage_t &&
2301 			    (pi->high_voltage_t <
2302 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2303 				kv_get_high_voltage_limit(adev, &limit);
2304 				ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2305 			}
2306 		}
2307 	}
2308 
2309 	if (pi->caps_stable_p_state) {
2310 		for (i = 0; i < ps->num_levels; i++) {
2311 			ps->levels[i].sclk = stable_p_state_sclk;
2312 		}
2313 	}
2314 
2315 	pi->video_start = new_rps->dclk || new_rps->vclk ||
2316 		new_rps->evclk || new_rps->ecclk;
2317 
2318 	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2319 	    ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2320 		pi->battery_state = true;
2321 	else
2322 		pi->battery_state = false;
2323 
2324 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2325 		ps->dpm0_pg_nb_ps_lo = 0x1;
2326 		ps->dpm0_pg_nb_ps_hi = 0x0;
2327 		ps->dpmx_nb_ps_lo = 0x1;
2328 		ps->dpmx_nb_ps_hi = 0x0;
2329 	} else {
2330 		ps->dpm0_pg_nb_ps_lo = 0x3;
2331 		ps->dpm0_pg_nb_ps_hi = 0x0;
2332 		ps->dpmx_nb_ps_lo = 0x3;
2333 		ps->dpmx_nb_ps_hi = 0x0;
2334 
2335 		if (pi->sys_info.nb_dpm_enable) {
2336 			force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2337 				pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
2338 				pi->disable_nb_ps3_in_battery;
2339 			ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2340 			ps->dpm0_pg_nb_ps_hi = 0x2;
2341 			ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2342 			ps->dpmx_nb_ps_hi = 0x2;
2343 		}
2344 	}
2345 }
2346 
kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device * adev,u32 index,bool enable)2347 static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
2348 						    u32 index, bool enable)
2349 {
2350 	struct kv_power_info *pi = kv_get_pi(adev);
2351 
2352 	pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2353 }
2354 
kv_calculate_ds_divider(struct amdgpu_device * adev)2355 static int kv_calculate_ds_divider(struct amdgpu_device *adev)
2356 {
2357 	struct kv_power_info *pi = kv_get_pi(adev);
2358 	u32 sclk_in_sr = 10000; /* ??? */
2359 	u32 i;
2360 
2361 	if (pi->lowest_valid > pi->highest_valid)
2362 		return -EINVAL;
2363 
2364 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2365 		pi->graphics_level[i].DeepSleepDivId =
2366 			kv_get_sleep_divider_id_from_clock(adev,
2367 							   be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2368 							   sclk_in_sr);
2369 	}
2370 	return 0;
2371 }
2372 
kv_calculate_nbps_level_settings(struct amdgpu_device * adev)2373 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
2374 {
2375 	struct kv_power_info *pi = kv_get_pi(adev);
2376 	u32 i;
2377 	bool force_high;
2378 	struct amdgpu_clock_and_voltage_limits *max_limits =
2379 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2380 	u32 mclk = max_limits->mclk;
2381 
2382 	if (pi->lowest_valid > pi->highest_valid)
2383 		return -EINVAL;
2384 
2385 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2386 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2387 			pi->graphics_level[i].GnbSlow = 1;
2388 			pi->graphics_level[i].ForceNbPs1 = 0;
2389 			pi->graphics_level[i].UpH = 0;
2390 		}
2391 
2392 		if (!pi->sys_info.nb_dpm_enable)
2393 			return 0;
2394 
2395 		force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2396 			      (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2397 
2398 		if (force_high) {
2399 			for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2400 				pi->graphics_level[i].GnbSlow = 0;
2401 		} else {
2402 			if (pi->battery_state)
2403 				pi->graphics_level[0].ForceNbPs1 = 1;
2404 
2405 			pi->graphics_level[1].GnbSlow = 0;
2406 			pi->graphics_level[2].GnbSlow = 0;
2407 			pi->graphics_level[3].GnbSlow = 0;
2408 			pi->graphics_level[4].GnbSlow = 0;
2409 		}
2410 	} else {
2411 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2412 			pi->graphics_level[i].GnbSlow = 1;
2413 			pi->graphics_level[i].ForceNbPs1 = 0;
2414 			pi->graphics_level[i].UpH = 0;
2415 		}
2416 
2417 		if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2418 			pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2419 			pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2420 			if (pi->lowest_valid != pi->highest_valid)
2421 				pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2422 		}
2423 	}
2424 	return 0;
2425 }
2426 
kv_calculate_dpm_settings(struct amdgpu_device * adev)2427 static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
2428 {
2429 	struct kv_power_info *pi = kv_get_pi(adev);
2430 	u32 i;
2431 
2432 	if (pi->lowest_valid > pi->highest_valid)
2433 		return -EINVAL;
2434 
2435 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2436 		pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2437 
2438 	return 0;
2439 }
2440 
kv_init_graphics_levels(struct amdgpu_device * adev)2441 static void kv_init_graphics_levels(struct amdgpu_device *adev)
2442 {
2443 	struct kv_power_info *pi = kv_get_pi(adev);
2444 	u32 i;
2445 	struct amdgpu_clock_voltage_dependency_table *table =
2446 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2447 
2448 	if (table && table->count) {
2449 		u32 vid_2bit;
2450 
2451 		pi->graphics_dpm_level_count = 0;
2452 		for (i = 0; i < table->count; i++) {
2453 			if (pi->high_voltage_t &&
2454 			    (pi->high_voltage_t <
2455 			     kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
2456 				break;
2457 
2458 			kv_set_divider_value(adev, i, table->entries[i].clk);
2459 			vid_2bit = kv_convert_vid7_to_vid2(adev,
2460 							   &pi->sys_info.vid_mapping_table,
2461 							   table->entries[i].v);
2462 			kv_set_vid(adev, i, vid_2bit);
2463 			kv_set_at(adev, i, pi->at[i]);
2464 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2465 			pi->graphics_dpm_level_count++;
2466 		}
2467 	} else {
2468 		struct sumo_sclk_voltage_mapping_table *table =
2469 			&pi->sys_info.sclk_voltage_mapping_table;
2470 
2471 		pi->graphics_dpm_level_count = 0;
2472 		for (i = 0; i < table->num_max_dpm_entries; i++) {
2473 			if (pi->high_voltage_t &&
2474 			    pi->high_voltage_t <
2475 			    kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
2476 				break;
2477 
2478 			kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
2479 			kv_set_vid(adev, i, table->entries[i].vid_2bit);
2480 			kv_set_at(adev, i, pi->at[i]);
2481 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2482 			pi->graphics_dpm_level_count++;
2483 		}
2484 	}
2485 
2486 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2487 		kv_dpm_power_level_enable(adev, i, false);
2488 }
2489 
kv_enable_new_levels(struct amdgpu_device * adev)2490 static void kv_enable_new_levels(struct amdgpu_device *adev)
2491 {
2492 	struct kv_power_info *pi = kv_get_pi(adev);
2493 	u32 i;
2494 
2495 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2496 		if (i >= pi->lowest_valid && i <= pi->highest_valid)
2497 			kv_dpm_power_level_enable(adev, i, true);
2498 	}
2499 }
2500 
kv_set_enabled_level(struct amdgpu_device * adev,u32 level)2501 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
2502 {
2503 	u32 new_mask = (1 << level);
2504 
2505 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2506 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2507 						 new_mask);
2508 }
2509 
kv_set_enabled_levels(struct amdgpu_device * adev)2510 static int kv_set_enabled_levels(struct amdgpu_device *adev)
2511 {
2512 	struct kv_power_info *pi = kv_get_pi(adev);
2513 	u32 i, new_mask = 0;
2514 
2515 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2516 		new_mask |= (1 << i);
2517 
2518 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2519 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2520 						 new_mask);
2521 }
2522 
kv_program_nbps_index_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)2523 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
2524 					   struct amdgpu_ps *new_rps)
2525 {
2526 	struct kv_ps *new_ps = kv_get_ps(new_rps);
2527 	struct kv_power_info *pi = kv_get_pi(adev);
2528 	u32 nbdpmconfig1;
2529 
2530 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2531 		return;
2532 
2533 	if (pi->sys_info.nb_dpm_enable) {
2534 		nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
2535 		nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
2536 				NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
2537 				NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
2538 				NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
2539 		nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
2540 				(new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
2541 				(new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
2542 				(new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
2543 		WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
2544 	}
2545 }
2546 
kv_set_thermal_temperature_range(struct amdgpu_device * adev,int min_temp,int max_temp)2547 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
2548 					    int min_temp, int max_temp)
2549 {
2550 	int low_temp = 0 * 1000;
2551 	int high_temp = 255 * 1000;
2552 	u32 tmp;
2553 
2554 	if (low_temp < min_temp)
2555 		low_temp = min_temp;
2556 	if (high_temp > max_temp)
2557 		high_temp = max_temp;
2558 	if (high_temp < low_temp) {
2559 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2560 		return -EINVAL;
2561 	}
2562 
2563 	tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
2564 	tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
2565 		CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
2566 	tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
2567 		((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
2568 	WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);
2569 
2570 	adev->pm.dpm.thermal.min_temp = low_temp;
2571 	adev->pm.dpm.thermal.max_temp = high_temp;
2572 
2573 	return 0;
2574 }
2575 
2576 union igp_info {
2577 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2578 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2579 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2580 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2581 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2582 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2583 };
2584 
kv_parse_sys_info_table(struct amdgpu_device * adev)2585 static int kv_parse_sys_info_table(struct amdgpu_device *adev)
2586 {
2587 	struct kv_power_info *pi = kv_get_pi(adev);
2588 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2589 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2590 	union igp_info *igp_info;
2591 	u8 frev, crev;
2592 	u16 data_offset;
2593 	int i;
2594 
2595 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2596 				   &frev, &crev, &data_offset)) {
2597 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
2598 					      data_offset);
2599 
2600 		if (crev != 8) {
2601 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2602 			return -EINVAL;
2603 		}
2604 		pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2605 		pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2606 		pi->sys_info.bootup_nb_voltage_index =
2607 			le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2608 		if (igp_info->info_8.ucHtcTmpLmt == 0)
2609 			pi->sys_info.htc_tmp_lmt = 203;
2610 		else
2611 			pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2612 		if (igp_info->info_8.ucHtcHystLmt == 0)
2613 			pi->sys_info.htc_hyst_lmt = 5;
2614 		else
2615 			pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2616 		if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2617 			DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2618 		}
2619 
2620 		if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2621 			pi->sys_info.nb_dpm_enable = true;
2622 		else
2623 			pi->sys_info.nb_dpm_enable = false;
2624 
2625 		for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2626 			pi->sys_info.nbp_memory_clock[i] =
2627 				le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2628 			pi->sys_info.nbp_n_clock[i] =
2629 				le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2630 		}
2631 		if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2632 		    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2633 			pi->caps_enable_dfs_bypass = true;
2634 
2635 		sumo_construct_sclk_voltage_mapping_table(adev,
2636 							  &pi->sys_info.sclk_voltage_mapping_table,
2637 							  igp_info->info_8.sAvail_SCLK);
2638 
2639 		sumo_construct_vid_mapping_table(adev,
2640 						 &pi->sys_info.vid_mapping_table,
2641 						 igp_info->info_8.sAvail_SCLK);
2642 
2643 		kv_construct_max_power_limits_table(adev,
2644 						    &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2645 	}
2646 	return 0;
2647 }
2648 
2649 union power_info {
2650 	struct _ATOM_POWERPLAY_INFO info;
2651 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2652 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2653 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2654 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2655 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2656 };
2657 
2658 union pplib_clock_info {
2659 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2660 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2661 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2662 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2663 };
2664 
2665 union pplib_power_state {
2666 	struct _ATOM_PPLIB_STATE v1;
2667 	struct _ATOM_PPLIB_STATE_V2 v2;
2668 };
2669 
kv_patch_boot_state(struct amdgpu_device * adev,struct kv_ps * ps)2670 static void kv_patch_boot_state(struct amdgpu_device *adev,
2671 				struct kv_ps *ps)
2672 {
2673 	struct kv_power_info *pi = kv_get_pi(adev);
2674 
2675 	ps->num_levels = 1;
2676 	ps->levels[0] = pi->boot_pl;
2677 }
2678 
kv_parse_pplib_non_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,struct _ATOM_PPLIB_NONCLOCK_INFO * non_clock_info,u8 table_rev)2679 static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev,
2680 					  struct amdgpu_ps *rps,
2681 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2682 					  u8 table_rev)
2683 {
2684 	struct kv_ps *ps = kv_get_ps(rps);
2685 
2686 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2687 	rps->class = le16_to_cpu(non_clock_info->usClassification);
2688 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2689 
2690 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2691 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2692 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2693 	} else {
2694 		rps->vclk = 0;
2695 		rps->dclk = 0;
2696 	}
2697 
2698 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2699 		adev->pm.dpm.boot_ps = rps;
2700 		kv_patch_boot_state(adev, ps);
2701 	}
2702 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2703 		adev->pm.dpm.uvd_ps = rps;
2704 }
2705 
kv_parse_pplib_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,int index,union pplib_clock_info * clock_info)2706 static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
2707 				      struct amdgpu_ps *rps, int index,
2708 					union pplib_clock_info *clock_info)
2709 {
2710 	struct kv_power_info *pi = kv_get_pi(adev);
2711 	struct kv_ps *ps = kv_get_ps(rps);
2712 	struct kv_pl *pl = &ps->levels[index];
2713 	u32 sclk;
2714 
2715 	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2716 	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2717 	pl->sclk = sclk;
2718 	pl->vddc_index = clock_info->sumo.vddcIndex;
2719 
2720 	ps->num_levels = index + 1;
2721 
2722 	if (pi->caps_sclk_ds) {
2723 		pl->ds_divider_index = 5;
2724 		pl->ss_divider_index = 5;
2725 	}
2726 }
2727 
kv_parse_power_table(struct amdgpu_device * adev)2728 static int kv_parse_power_table(struct amdgpu_device *adev)
2729 {
2730 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2731 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2732 	union pplib_power_state *power_state;
2733 	int i, j, k, non_clock_array_index, clock_array_index;
2734 	union pplib_clock_info *clock_info;
2735 	struct _StateArray *state_array;
2736 	struct _ClockInfoArray *clock_info_array;
2737 	struct _NonClockInfoArray *non_clock_info_array;
2738 	union power_info *power_info;
2739 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2740 	u16 data_offset;
2741 	u8 frev, crev;
2742 	u8 *power_state_offset;
2743 	struct kv_ps *ps;
2744 
2745 	if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2746 				   &frev, &crev, &data_offset))
2747 		return -EINVAL;
2748 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2749 
2750 	amdgpu_add_thermal_controller(adev);
2751 
2752 	state_array = (struct _StateArray *)
2753 		(mode_info->atom_context->bios + data_offset +
2754 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2755 	clock_info_array = (struct _ClockInfoArray *)
2756 		(mode_info->atom_context->bios + data_offset +
2757 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2758 	non_clock_info_array = (struct _NonClockInfoArray *)
2759 		(mode_info->atom_context->bios + data_offset +
2760 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2761 
2762 	adev->pm.dpm.ps = kzalloc(sizeof(struct amdgpu_ps) *
2763 				  state_array->ucNumEntries, GFP_KERNEL);
2764 	if (!adev->pm.dpm.ps)
2765 		return -ENOMEM;
2766 	power_state_offset = (u8 *)state_array->states;
2767 	for (i = 0; i < state_array->ucNumEntries; i++) {
2768 		u8 *idx;
2769 		power_state = (union pplib_power_state *)power_state_offset;
2770 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2771 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2772 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2773 		ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2774 		if (ps == NULL) {
2775 			kfree(adev->pm.dpm.ps);
2776 			return -ENOMEM;
2777 		}
2778 		adev->pm.dpm.ps[i].ps_priv = ps;
2779 		k = 0;
2780 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2781 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2782 			clock_array_index = idx[j];
2783 			if (clock_array_index >= clock_info_array->ucNumEntries)
2784 				continue;
2785 			if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2786 				break;
2787 			clock_info = (union pplib_clock_info *)
2788 				((u8 *)&clock_info_array->clockInfo[0] +
2789 				 (clock_array_index * clock_info_array->ucEntrySize));
2790 			kv_parse_pplib_clock_info(adev,
2791 						  &adev->pm.dpm.ps[i], k,
2792 						  clock_info);
2793 			k++;
2794 		}
2795 		kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
2796 					      non_clock_info,
2797 					      non_clock_info_array->ucEntrySize);
2798 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2799 	}
2800 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
2801 
2802 	/* fill in the vce power states */
2803 	for (i = 0; i < AMDGPU_MAX_VCE_LEVELS; i++) {
2804 		u32 sclk;
2805 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
2806 		clock_info = (union pplib_clock_info *)
2807 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2808 		sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2809 		sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2810 		adev->pm.dpm.vce_states[i].sclk = sclk;
2811 		adev->pm.dpm.vce_states[i].mclk = 0;
2812 	}
2813 
2814 	return 0;
2815 }
2816 
kv_dpm_init(struct amdgpu_device * adev)2817 static int kv_dpm_init(struct amdgpu_device *adev)
2818 {
2819 	struct kv_power_info *pi;
2820 	int ret, i;
2821 
2822 	pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2823 	if (pi == NULL)
2824 		return -ENOMEM;
2825 	adev->pm.dpm.priv = pi;
2826 
2827 	ret = amdgpu_get_platform_caps(adev);
2828 	if (ret)
2829 		return ret;
2830 
2831 	ret = amdgpu_parse_extended_power_table(adev);
2832 	if (ret)
2833 		return ret;
2834 
2835 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2836 		pi->at[i] = TRINITY_AT_DFLT;
2837 
2838 	pi->sram_end = SMC_RAM_END;
2839 
2840 	pi->enable_nb_dpm = true;
2841 
2842 	pi->caps_power_containment = true;
2843 	pi->caps_cac = true;
2844 	pi->enable_didt = false;
2845 	if (pi->enable_didt) {
2846 		pi->caps_sq_ramping = true;
2847 		pi->caps_db_ramping = true;
2848 		pi->caps_td_ramping = true;
2849 		pi->caps_tcp_ramping = true;
2850 	}
2851 
2852 	pi->caps_sclk_ds = true;
2853 	pi->enable_auto_thermal_throttling = true;
2854 	pi->disable_nb_ps3_in_battery = false;
2855 	if (amdgpu_bapm == 0)
2856 		pi->bapm_enable = false;
2857 	else
2858 		pi->bapm_enable = true;
2859 	pi->voltage_drop_t = 0;
2860 	pi->caps_sclk_throttle_low_notification = false;
2861 	pi->caps_fps = false; /* true? */
2862 	pi->caps_uvd_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_UVD) ? true : false;
2863 	pi->caps_uvd_dpm = true;
2864 	pi->caps_vce_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_VCE) ? true : false;
2865 	pi->caps_samu_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_SAMU) ? true : false;
2866 	pi->caps_acp_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_ACP) ? true : false;
2867 	pi->caps_stable_p_state = false;
2868 
2869 	ret = kv_parse_sys_info_table(adev);
2870 	if (ret)
2871 		return ret;
2872 
2873 	kv_patch_voltage_values(adev);
2874 	kv_construct_boot_state(adev);
2875 
2876 	ret = kv_parse_power_table(adev);
2877 	if (ret)
2878 		return ret;
2879 
2880 	pi->enable_dpm = true;
2881 
2882 	return 0;
2883 }
2884 
2885 static void
kv_dpm_debugfs_print_current_performance_level(struct amdgpu_device * adev,struct seq_file * m)2886 kv_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
2887 					       struct seq_file *m)
2888 {
2889 	struct kv_power_info *pi = kv_get_pi(adev);
2890 	u32 current_index =
2891 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
2892 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
2893 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
2894 	u32 sclk, tmp;
2895 	u16 vddc;
2896 
2897 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2898 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2899 	} else {
2900 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2901 		tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
2902 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2903 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
2904 		vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
2905 		seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2906 		seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2907 		seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2908 			   current_index, sclk, vddc);
2909 	}
2910 }
2911 
2912 static void
kv_dpm_print_power_state(struct amdgpu_device * adev,struct amdgpu_ps * rps)2913 kv_dpm_print_power_state(struct amdgpu_device *adev,
2914 			 struct amdgpu_ps *rps)
2915 {
2916 	int i;
2917 	struct kv_ps *ps = kv_get_ps(rps);
2918 
2919 	amdgpu_dpm_print_class_info(rps->class, rps->class2);
2920 	amdgpu_dpm_print_cap_info(rps->caps);
2921 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2922 	for (i = 0; i < ps->num_levels; i++) {
2923 		struct kv_pl *pl = &ps->levels[i];
2924 		printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2925 		       i, pl->sclk,
2926 		       kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
2927 	}
2928 	amdgpu_dpm_print_ps_status(adev, rps);
2929 }
2930 
kv_dpm_fini(struct amdgpu_device * adev)2931 static void kv_dpm_fini(struct amdgpu_device *adev)
2932 {
2933 	int i;
2934 
2935 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2936 		kfree(adev->pm.dpm.ps[i].ps_priv);
2937 	}
2938 	kfree(adev->pm.dpm.ps);
2939 	kfree(adev->pm.dpm.priv);
2940 	amdgpu_free_extended_power_table(adev);
2941 }
2942 
kv_dpm_display_configuration_changed(struct amdgpu_device * adev)2943 static void kv_dpm_display_configuration_changed(struct amdgpu_device *adev)
2944 {
2945 
2946 }
2947 
kv_dpm_get_sclk(struct amdgpu_device * adev,bool low)2948 static u32 kv_dpm_get_sclk(struct amdgpu_device *adev, bool low)
2949 {
2950 	struct kv_power_info *pi = kv_get_pi(adev);
2951 	struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2952 
2953 	if (low)
2954 		return requested_state->levels[0].sclk;
2955 	else
2956 		return requested_state->levels[requested_state->num_levels - 1].sclk;
2957 }
2958 
kv_dpm_get_mclk(struct amdgpu_device * adev,bool low)2959 static u32 kv_dpm_get_mclk(struct amdgpu_device *adev, bool low)
2960 {
2961 	struct kv_power_info *pi = kv_get_pi(adev);
2962 
2963 	return pi->sys_info.bootup_uma_clk;
2964 }
2965 
2966 /* get temperature in millidegrees */
kv_dpm_get_temp(struct amdgpu_device * adev)2967 static int kv_dpm_get_temp(struct amdgpu_device *adev)
2968 {
2969 	u32 temp;
2970 	int actual_temp = 0;
2971 
2972 	temp = RREG32_SMC(0xC0300E0C);
2973 
2974 	if (temp)
2975 		actual_temp = (temp / 8) - 49;
2976 	else
2977 		actual_temp = 0;
2978 
2979 	actual_temp = actual_temp * 1000;
2980 
2981 	return actual_temp;
2982 }
2983 
kv_dpm_early_init(void * handle)2984 static int kv_dpm_early_init(void *handle)
2985 {
2986 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2987 
2988 	kv_dpm_set_dpm_funcs(adev);
2989 	kv_dpm_set_irq_funcs(adev);
2990 
2991 	return 0;
2992 }
2993 
kv_dpm_late_init(void * handle)2994 static int kv_dpm_late_init(void *handle)
2995 {
2996 	/* powerdown unused blocks for now */
2997 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2998 	int ret;
2999 
3000 	if (!amdgpu_dpm)
3001 		return 0;
3002 
3003 	/* init the sysfs and debugfs files late */
3004 	ret = amdgpu_pm_sysfs_init(adev);
3005 	if (ret)
3006 		return ret;
3007 
3008 	kv_dpm_powergate_acp(adev, true);
3009 	kv_dpm_powergate_samu(adev, true);
3010 	kv_dpm_powergate_vce(adev, true);
3011 	kv_dpm_powergate_uvd(adev, true);
3012 
3013 	return 0;
3014 }
3015 
kv_dpm_sw_init(void * handle)3016 static int kv_dpm_sw_init(void *handle)
3017 {
3018 	int ret;
3019 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3020 
3021 	ret = amdgpu_irq_add_id(adev, 230, &adev->pm.dpm.thermal.irq);
3022 	if (ret)
3023 		return ret;
3024 
3025 	ret = amdgpu_irq_add_id(adev, 231, &adev->pm.dpm.thermal.irq);
3026 	if (ret)
3027 		return ret;
3028 
3029 	/* default to balanced state */
3030 	adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
3031 	adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
3032 	adev->pm.dpm.forced_level = AMDGPU_DPM_FORCED_LEVEL_AUTO;
3033 	adev->pm.default_sclk = adev->clock.default_sclk;
3034 	adev->pm.default_mclk = adev->clock.default_mclk;
3035 	adev->pm.current_sclk = adev->clock.default_sclk;
3036 	adev->pm.current_mclk = adev->clock.default_mclk;
3037 	adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
3038 
3039 	if (amdgpu_dpm == 0)
3040 		return 0;
3041 
3042 	INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
3043 	mutex_lock(&adev->pm.mutex);
3044 	ret = kv_dpm_init(adev);
3045 	if (ret)
3046 		goto dpm_failed;
3047 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3048 	if (amdgpu_dpm == 1)
3049 		amdgpu_pm_print_power_states(adev);
3050 	mutex_unlock(&adev->pm.mutex);
3051 	DRM_INFO("amdgpu: dpm initialized\n");
3052 
3053 	return 0;
3054 
3055 dpm_failed:
3056 	kv_dpm_fini(adev);
3057 	mutex_unlock(&adev->pm.mutex);
3058 	DRM_ERROR("amdgpu: dpm initialization failed\n");
3059 	return ret;
3060 }
3061 
kv_dpm_sw_fini(void * handle)3062 static int kv_dpm_sw_fini(void *handle)
3063 {
3064 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3065 
3066 	mutex_lock(&adev->pm.mutex);
3067 	amdgpu_pm_sysfs_fini(adev);
3068 	kv_dpm_fini(adev);
3069 	mutex_unlock(&adev->pm.mutex);
3070 
3071 	return 0;
3072 }
3073 
kv_dpm_hw_init(void * handle)3074 static int kv_dpm_hw_init(void *handle)
3075 {
3076 	int ret;
3077 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078 
3079 	mutex_lock(&adev->pm.mutex);
3080 	kv_dpm_setup_asic(adev);
3081 	ret = kv_dpm_enable(adev);
3082 	if (ret)
3083 		adev->pm.dpm_enabled = false;
3084 	else
3085 		adev->pm.dpm_enabled = true;
3086 	mutex_unlock(&adev->pm.mutex);
3087 
3088 	return ret;
3089 }
3090 
kv_dpm_hw_fini(void * handle)3091 static int kv_dpm_hw_fini(void *handle)
3092 {
3093 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3094 
3095 	if (adev->pm.dpm_enabled) {
3096 		mutex_lock(&adev->pm.mutex);
3097 		kv_dpm_disable(adev);
3098 		mutex_unlock(&adev->pm.mutex);
3099 	}
3100 
3101 	return 0;
3102 }
3103 
kv_dpm_suspend(void * handle)3104 static int kv_dpm_suspend(void *handle)
3105 {
3106 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3107 
3108 	if (adev->pm.dpm_enabled) {
3109 		mutex_lock(&adev->pm.mutex);
3110 		/* disable dpm */
3111 		kv_dpm_disable(adev);
3112 		/* reset the power state */
3113 		adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3114 		mutex_unlock(&adev->pm.mutex);
3115 	}
3116 	return 0;
3117 }
3118 
kv_dpm_resume(void * handle)3119 static int kv_dpm_resume(void *handle)
3120 {
3121 	int ret;
3122 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3123 
3124 	if (adev->pm.dpm_enabled) {
3125 		/* asic init will reset to the boot state */
3126 		mutex_lock(&adev->pm.mutex);
3127 		kv_dpm_setup_asic(adev);
3128 		ret = kv_dpm_enable(adev);
3129 		if (ret)
3130 			adev->pm.dpm_enabled = false;
3131 		else
3132 			adev->pm.dpm_enabled = true;
3133 		mutex_unlock(&adev->pm.mutex);
3134 		if (adev->pm.dpm_enabled)
3135 			amdgpu_pm_compute_clocks(adev);
3136 	}
3137 	return 0;
3138 }
3139 
kv_dpm_is_idle(void * handle)3140 static bool kv_dpm_is_idle(void *handle)
3141 {
3142 	return true;
3143 }
3144 
kv_dpm_wait_for_idle(void * handle)3145 static int kv_dpm_wait_for_idle(void *handle)
3146 {
3147 	return 0;
3148 }
3149 
kv_dpm_print_status(void * handle)3150 static void kv_dpm_print_status(void *handle)
3151 {
3152 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3153 
3154 	dev_info(adev->dev, "KV/KB DPM registers\n");
3155 	dev_info(adev->dev, "  DIDT_SQ_CTRL0=0x%08X\n",
3156 		 RREG32_DIDT(ixDIDT_SQ_CTRL0));
3157 	dev_info(adev->dev, "  DIDT_DB_CTRL0=0x%08X\n",
3158 		 RREG32_DIDT(ixDIDT_DB_CTRL0));
3159 	dev_info(adev->dev, "  DIDT_TD_CTRL0=0x%08X\n",
3160 		 RREG32_DIDT(ixDIDT_TD_CTRL0));
3161 	dev_info(adev->dev, "  DIDT_TCP_CTRL0=0x%08X\n",
3162 		 RREG32_DIDT(ixDIDT_TCP_CTRL0));
3163 	dev_info(adev->dev, "  LCAC_SX0_OVR_SEL=0x%08X\n",
3164 		 RREG32_SMC(ixLCAC_SX0_OVR_SEL));
3165 	dev_info(adev->dev, "  LCAC_SX0_OVR_VAL=0x%08X\n",
3166 		 RREG32_SMC(ixLCAC_SX0_OVR_VAL));
3167 	dev_info(adev->dev, "  LCAC_MC0_OVR_SEL=0x%08X\n",
3168 		 RREG32_SMC(ixLCAC_MC0_OVR_SEL));
3169 	dev_info(adev->dev, "  LCAC_MC0_OVR_VAL=0x%08X\n",
3170 		 RREG32_SMC(ixLCAC_MC0_OVR_VAL));
3171 	dev_info(adev->dev, "  LCAC_MC1_OVR_SEL=0x%08X\n",
3172 		 RREG32_SMC(ixLCAC_MC1_OVR_SEL));
3173 	dev_info(adev->dev, "  LCAC_MC1_OVR_VAL=0x%08X\n",
3174 		 RREG32_SMC(ixLCAC_MC1_OVR_VAL));
3175 	dev_info(adev->dev, "  LCAC_MC2_OVR_SEL=0x%08X\n",
3176 		 RREG32_SMC(ixLCAC_MC2_OVR_SEL));
3177 	dev_info(adev->dev, "  LCAC_MC2_OVR_VAL=0x%08X\n",
3178 		 RREG32_SMC(ixLCAC_MC2_OVR_VAL));
3179 	dev_info(adev->dev, "  LCAC_MC3_OVR_SEL=0x%08X\n",
3180 		 RREG32_SMC(ixLCAC_MC3_OVR_SEL));
3181 	dev_info(adev->dev, "  LCAC_MC3_OVR_VAL=0x%08X\n",
3182 		 RREG32_SMC(ixLCAC_MC3_OVR_VAL));
3183 	dev_info(adev->dev, "  LCAC_CPL_OVR_SEL=0x%08X\n",
3184 		 RREG32_SMC(ixLCAC_CPL_OVR_SEL));
3185 	dev_info(adev->dev, "  LCAC_CPL_OVR_VAL=0x%08X\n",
3186 		 RREG32_SMC(ixLCAC_CPL_OVR_VAL));
3187 	dev_info(adev->dev, "  CG_FREQ_TRAN_VOTING_0=0x%08X\n",
3188 		 RREG32_SMC(ixCG_FREQ_TRAN_VOTING_0));
3189 	dev_info(adev->dev, "  GENERAL_PWRMGT=0x%08X\n",
3190 		 RREG32_SMC(ixGENERAL_PWRMGT));
3191 	dev_info(adev->dev, "  SCLK_PWRMGT_CNTL=0x%08X\n",
3192 		 RREG32_SMC(ixSCLK_PWRMGT_CNTL));
3193 	dev_info(adev->dev, "  SMC_MESSAGE_0=0x%08X\n",
3194 		 RREG32(mmSMC_MESSAGE_0));
3195 	dev_info(adev->dev, "  SMC_RESP_0=0x%08X\n",
3196 		 RREG32(mmSMC_RESP_0));
3197 	dev_info(adev->dev, "  SMC_MSG_ARG_0=0x%08X\n",
3198 		 RREG32(mmSMC_MSG_ARG_0));
3199 	dev_info(adev->dev, "  SMC_IND_INDEX_0=0x%08X\n",
3200 		 RREG32(mmSMC_IND_INDEX_0));
3201 	dev_info(adev->dev, "  SMC_IND_DATA_0=0x%08X\n",
3202 		 RREG32(mmSMC_IND_DATA_0));
3203 	dev_info(adev->dev, "  SMC_IND_ACCESS_CNTL=0x%08X\n",
3204 		 RREG32(mmSMC_IND_ACCESS_CNTL));
3205 }
3206 
kv_dpm_soft_reset(void * handle)3207 static int kv_dpm_soft_reset(void *handle)
3208 {
3209 	return 0;
3210 }
3211 
kv_dpm_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3212 static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev,
3213 				      struct amdgpu_irq_src *src,
3214 				      unsigned type,
3215 				      enum amdgpu_interrupt_state state)
3216 {
3217 	u32 cg_thermal_int;
3218 
3219 	switch (type) {
3220 	case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
3221 		switch (state) {
3222 		case AMDGPU_IRQ_STATE_DISABLE:
3223 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3224 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3225 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3226 			break;
3227 		case AMDGPU_IRQ_STATE_ENABLE:
3228 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3229 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3230 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3231 			break;
3232 		default:
3233 			break;
3234 		}
3235 		break;
3236 
3237 	case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
3238 		switch (state) {
3239 		case AMDGPU_IRQ_STATE_DISABLE:
3240 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3241 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3242 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3243 			break;
3244 		case AMDGPU_IRQ_STATE_ENABLE:
3245 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3246 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3247 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3248 			break;
3249 		default:
3250 			break;
3251 		}
3252 		break;
3253 
3254 	default:
3255 		break;
3256 	}
3257 	return 0;
3258 }
3259 
kv_dpm_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3260 static int kv_dpm_process_interrupt(struct amdgpu_device *adev,
3261 				    struct amdgpu_irq_src *source,
3262 				    struct amdgpu_iv_entry *entry)
3263 {
3264 	bool queue_thermal = false;
3265 
3266 	if (entry == NULL)
3267 		return -EINVAL;
3268 
3269 	switch (entry->src_id) {
3270 	case 230: /* thermal low to high */
3271 		DRM_DEBUG("IH: thermal low to high\n");
3272 		adev->pm.dpm.thermal.high_to_low = false;
3273 		queue_thermal = true;
3274 		break;
3275 	case 231: /* thermal high to low */
3276 		DRM_DEBUG("IH: thermal high to low\n");
3277 		adev->pm.dpm.thermal.high_to_low = true;
3278 		queue_thermal = true;
3279 		break;
3280 	default:
3281 		break;
3282 	}
3283 
3284 	if (queue_thermal)
3285 		schedule_work(&adev->pm.dpm.thermal.work);
3286 
3287 	return 0;
3288 }
3289 
kv_dpm_set_clockgating_state(void * handle,enum amd_clockgating_state state)3290 static int kv_dpm_set_clockgating_state(void *handle,
3291 					  enum amd_clockgating_state state)
3292 {
3293 	return 0;
3294 }
3295 
kv_dpm_set_powergating_state(void * handle,enum amd_powergating_state state)3296 static int kv_dpm_set_powergating_state(void *handle,
3297 					  enum amd_powergating_state state)
3298 {
3299 	return 0;
3300 }
3301 
3302 const struct amd_ip_funcs kv_dpm_ip_funcs = {
3303 	.early_init = kv_dpm_early_init,
3304 	.late_init = kv_dpm_late_init,
3305 	.sw_init = kv_dpm_sw_init,
3306 	.sw_fini = kv_dpm_sw_fini,
3307 	.hw_init = kv_dpm_hw_init,
3308 	.hw_fini = kv_dpm_hw_fini,
3309 	.suspend = kv_dpm_suspend,
3310 	.resume = kv_dpm_resume,
3311 	.is_idle = kv_dpm_is_idle,
3312 	.wait_for_idle = kv_dpm_wait_for_idle,
3313 	.soft_reset = kv_dpm_soft_reset,
3314 	.print_status = kv_dpm_print_status,
3315 	.set_clockgating_state = kv_dpm_set_clockgating_state,
3316 	.set_powergating_state = kv_dpm_set_powergating_state,
3317 };
3318 
3319 static const struct amdgpu_dpm_funcs kv_dpm_funcs = {
3320 	.get_temperature = &kv_dpm_get_temp,
3321 	.pre_set_power_state = &kv_dpm_pre_set_power_state,
3322 	.set_power_state = &kv_dpm_set_power_state,
3323 	.post_set_power_state = &kv_dpm_post_set_power_state,
3324 	.display_configuration_changed = &kv_dpm_display_configuration_changed,
3325 	.get_sclk = &kv_dpm_get_sclk,
3326 	.get_mclk = &kv_dpm_get_mclk,
3327 	.print_power_state = &kv_dpm_print_power_state,
3328 	.debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
3329 	.force_performance_level = &kv_dpm_force_performance_level,
3330 	.powergate_uvd = &kv_dpm_powergate_uvd,
3331 	.enable_bapm = &kv_dpm_enable_bapm,
3332 };
3333 
kv_dpm_set_dpm_funcs(struct amdgpu_device * adev)3334 static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev)
3335 {
3336 	if (adev->pm.funcs == NULL)
3337 		adev->pm.funcs = &kv_dpm_funcs;
3338 }
3339 
3340 static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
3341 	.set = kv_dpm_set_interrupt_state,
3342 	.process = kv_dpm_process_interrupt,
3343 };
3344 
kv_dpm_set_irq_funcs(struct amdgpu_device * adev)3345 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev)
3346 {
3347 	adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
3348 	adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs;
3349 }
3350