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 "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "cikd.h"
27 #include "atom.h"
28 #include "amdgpu_atombios.h"
29 #include "amdgpu_dpm.h"
30 #include "kv_dpm.h"
31 #include "gfx_v7_0.h"
32 #include <linux/seq_file.h>
33 
34 #include "smu/smu_7_0_0_d.h"
35 #include "smu/smu_7_0_0_sh_mask.h"
36 
37 #include "gca/gfx_7_2_d.h"
38 #include "gca/gfx_7_2_sh_mask.h"
39 #include "legacy_dpm.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 const struct amd_pm_funcs kv_dpm_funcs;
46 
47 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev);
48 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
49 			    bool enable);
50 static void kv_init_graphics_levels(struct amdgpu_device *adev);
51 static int kv_calculate_ds_divider(struct amdgpu_device *adev);
52 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev);
53 static int kv_calculate_dpm_settings(struct amdgpu_device *adev);
54 static void kv_enable_new_levels(struct amdgpu_device *adev);
55 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
56 					   struct amdgpu_ps *new_rps);
57 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level);
58 static int kv_set_enabled_levels(struct amdgpu_device *adev);
59 static int kv_force_dpm_highest(struct amdgpu_device *adev);
60 static int kv_force_dpm_lowest(struct amdgpu_device *adev);
61 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
62 					struct amdgpu_ps *new_rps,
63 					struct amdgpu_ps *old_rps);
64 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
65 					    int min_temp, int max_temp);
66 static int kv_init_fps_limits(struct amdgpu_device *adev);
67 
68 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate);
69 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate);
70 
71 
kv_convert_vid2_to_vid7(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_2bit)72 static u32 kv_convert_vid2_to_vid7(struct amdgpu_device *adev,
73 				   struct sumo_vid_mapping_table *vid_mapping_table,
74 				   u32 vid_2bit)
75 {
76 	struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
77 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
78 	u32 i;
79 
80 	if (vddc_sclk_table && vddc_sclk_table->count) {
81 		if (vid_2bit < vddc_sclk_table->count)
82 			return vddc_sclk_table->entries[vid_2bit].v;
83 		else
84 			return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
85 	} else {
86 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
87 			if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
88 				return vid_mapping_table->entries[i].vid_7bit;
89 		}
90 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
91 	}
92 }
93 
kv_convert_vid7_to_vid2(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_7bit)94 static u32 kv_convert_vid7_to_vid2(struct amdgpu_device *adev,
95 				   struct sumo_vid_mapping_table *vid_mapping_table,
96 				   u32 vid_7bit)
97 {
98 	struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
99 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
100 	u32 i;
101 
102 	if (vddc_sclk_table && vddc_sclk_table->count) {
103 		for (i = 0; i < vddc_sclk_table->count; i++) {
104 			if (vddc_sclk_table->entries[i].v == vid_7bit)
105 				return i;
106 		}
107 		return vddc_sclk_table->count - 1;
108 	} else {
109 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
110 			if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
111 				return vid_mapping_table->entries[i].vid_2bit;
112 		}
113 
114 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
115 	}
116 }
117 
sumo_take_smu_control(struct amdgpu_device * adev,bool enable)118 static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable)
119 {
120 /* This bit selects who handles display phy powergating.
121  * Clear the bit to let atom handle it.
122  * Set it to let the driver handle it.
123  * For now we just let atom handle it.
124  */
125 #if 0
126 	u32 v = RREG32(mmDOUT_SCRATCH3);
127 
128 	if (enable)
129 		v |= 0x4;
130 	else
131 		v &= 0xFFFFFFFB;
132 
133 	WREG32(mmDOUT_SCRATCH3, v);
134 #endif
135 }
136 
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)137 static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev,
138 						      struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table,
139 						      ATOM_AVAILABLE_SCLK_LIST *table)
140 {
141 	u32 i;
142 	u32 n = 0;
143 	u32 prev_sclk = 0;
144 
145 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
146 		if (table[i].ulSupportedSCLK > prev_sclk) {
147 			sclk_voltage_mapping_table->entries[n].sclk_frequency =
148 				table[i].ulSupportedSCLK;
149 			sclk_voltage_mapping_table->entries[n].vid_2bit =
150 				table[i].usVoltageIndex;
151 			prev_sclk = table[i].ulSupportedSCLK;
152 			n++;
153 		}
154 	}
155 
156 	sclk_voltage_mapping_table->num_max_dpm_entries = n;
157 }
158 
sumo_construct_vid_mapping_table(struct amdgpu_device * adev,struct sumo_vid_mapping_table * vid_mapping_table,ATOM_AVAILABLE_SCLK_LIST * table)159 static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev,
160 					     struct sumo_vid_mapping_table *vid_mapping_table,
161 					     ATOM_AVAILABLE_SCLK_LIST *table)
162 {
163 	u32 i, j;
164 
165 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
166 		if (table[i].ulSupportedSCLK != 0) {
167 			if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES)
168 				continue;
169 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
170 				table[i].usVoltageID;
171 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
172 				table[i].usVoltageIndex;
173 		}
174 	}
175 
176 	for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
177 		if (vid_mapping_table->entries[i].vid_7bit == 0) {
178 			for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
179 				if (vid_mapping_table->entries[j].vid_7bit != 0) {
180 					vid_mapping_table->entries[i] =
181 						vid_mapping_table->entries[j];
182 					vid_mapping_table->entries[j].vid_7bit = 0;
183 					break;
184 				}
185 			}
186 
187 			if (j == SUMO_MAX_NUMBER_VOLTAGES)
188 				break;
189 		}
190 	}
191 
192 	vid_mapping_table->num_entries = i;
193 }
194 
195 #if 0
196 static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] = {
197 	{  0,       4,        1    },
198 	{  1,       4,        1    },
199 	{  2,       5,        1    },
200 	{  3,       4,        2    },
201 	{  4,       1,        1    },
202 	{  5,       5,        2    },
203 	{  6,       6,        1    },
204 	{  7,       9,        2    },
205 	{ 0xffffffff }
206 };
207 
208 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] = {
209 	{  0,       4,        1    },
210 	{ 0xffffffff }
211 };
212 
213 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] = {
214 	{  0,       4,        1    },
215 	{ 0xffffffff }
216 };
217 
218 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] = {
219 	{  0,       4,        1    },
220 	{ 0xffffffff }
221 };
222 
223 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] = {
224 	{  0,       4,        1    },
225 	{ 0xffffffff }
226 };
227 
228 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] = {
229 	{  0,       4,        1    },
230 	{  1,       4,        1    },
231 	{  2,       5,        1    },
232 	{  3,       4,        1    },
233 	{  4,       1,        1    },
234 	{  5,       5,        1    },
235 	{  6,       6,        1    },
236 	{  7,       9,        1    },
237 	{  8,       4,        1    },
238 	{  9,       2,        1    },
239 	{  10,      3,        1    },
240 	{  11,      6,        1    },
241 	{  12,      8,        2    },
242 	{  13,      1,        1    },
243 	{  14,      2,        1    },
244 	{  15,      3,        1    },
245 	{  16,      1,        1    },
246 	{  17,      4,        1    },
247 	{  18,      3,        1    },
248 	{  19,      1,        1    },
249 	{  20,      8,        1    },
250 	{  21,      5,        1    },
251 	{  22,      1,        1    },
252 	{  23,      1,        1    },
253 	{  24,      4,        1    },
254 	{  27,      6,        1    },
255 	{  28,      1,        1    },
256 	{ 0xffffffff }
257 };
258 
259 static const struct kv_lcac_config_reg sx0_cac_config_reg[] = {
260 	{ 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
261 };
262 
263 static const struct kv_lcac_config_reg mc0_cac_config_reg[] = {
264 	{ 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
265 };
266 
267 static const struct kv_lcac_config_reg mc1_cac_config_reg[] = {
268 	{ 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
269 };
270 
271 static const struct kv_lcac_config_reg mc2_cac_config_reg[] = {
272 	{ 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
273 };
274 
275 static const struct kv_lcac_config_reg mc3_cac_config_reg[] = {
276 	{ 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
277 };
278 
279 static const struct kv_lcac_config_reg cpl_cac_config_reg[] = {
280 	{ 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
281 };
282 #endif
283 
284 static const struct kv_pt_config_reg didt_config_kv[] = {
285 	{ 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
286 	{ 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
287 	{ 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
288 	{ 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
289 	{ 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
290 	{ 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
291 	{ 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
292 	{ 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
293 	{ 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
294 	{ 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
295 	{ 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
296 	{ 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
297 	{ 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
298 	{ 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
299 	{ 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
300 	{ 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
301 	{ 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
302 	{ 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
303 	{ 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
304 	{ 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
305 	{ 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
306 	{ 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
307 	{ 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
308 	{ 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
309 	{ 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
310 	{ 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
311 	{ 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
312 	{ 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
313 	{ 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
314 	{ 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
315 	{ 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
316 	{ 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
317 	{ 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
318 	{ 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
319 	{ 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
320 	{ 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
321 	{ 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
322 	{ 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
323 	{ 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
324 	{ 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
325 	{ 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
326 	{ 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
327 	{ 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
328 	{ 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
329 	{ 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
330 	{ 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
331 	{ 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
332 	{ 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
333 	{ 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
334 	{ 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
335 	{ 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
336 	{ 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
337 	{ 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
338 	{ 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
339 	{ 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
340 	{ 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
341 	{ 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
342 	{ 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
343 	{ 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
344 	{ 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
345 	{ 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
346 	{ 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
347 	{ 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
348 	{ 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
349 	{ 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
350 	{ 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
351 	{ 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
352 	{ 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
353 	{ 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
354 	{ 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
355 	{ 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
356 	{ 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
357 	{ 0xFFFFFFFF }
358 };
359 
kv_get_ps(struct amdgpu_ps * rps)360 static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
361 {
362 	struct kv_ps *ps = rps->ps_priv;
363 
364 	return ps;
365 }
366 
kv_get_pi(struct amdgpu_device * adev)367 static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
368 {
369 	struct kv_power_info *pi = adev->pm.dpm.priv;
370 
371 	return pi;
372 }
373 
374 #if 0
375 static void kv_program_local_cac_table(struct amdgpu_device *adev,
376 				       const struct kv_lcac_config_values *local_cac_table,
377 				       const struct kv_lcac_config_reg *local_cac_reg)
378 {
379 	u32 i, count, data;
380 	const struct kv_lcac_config_values *values = local_cac_table;
381 
382 	while (values->block_id != 0xffffffff) {
383 		count = values->signal_id;
384 		for (i = 0; i < count; i++) {
385 			data = ((values->block_id << local_cac_reg->block_shift) &
386 				local_cac_reg->block_mask);
387 			data |= ((i << local_cac_reg->signal_shift) &
388 				 local_cac_reg->signal_mask);
389 			data |= ((values->t << local_cac_reg->t_shift) &
390 				 local_cac_reg->t_mask);
391 			data |= ((1 << local_cac_reg->enable_shift) &
392 				 local_cac_reg->enable_mask);
393 			WREG32_SMC(local_cac_reg->cntl, data);
394 		}
395 		values++;
396 	}
397 }
398 #endif
399 
kv_program_pt_config_registers(struct amdgpu_device * adev,const struct kv_pt_config_reg * cac_config_regs)400 static int kv_program_pt_config_registers(struct amdgpu_device *adev,
401 					  const struct kv_pt_config_reg *cac_config_regs)
402 {
403 	const struct kv_pt_config_reg *config_regs = cac_config_regs;
404 	u32 data;
405 	u32 cache = 0;
406 
407 	if (config_regs == NULL)
408 		return -EINVAL;
409 
410 	while (config_regs->offset != 0xFFFFFFFF) {
411 		if (config_regs->type == KV_CONFIGREG_CACHE) {
412 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
413 		} else {
414 			switch (config_regs->type) {
415 			case KV_CONFIGREG_SMC_IND:
416 				data = RREG32_SMC(config_regs->offset);
417 				break;
418 			case KV_CONFIGREG_DIDT_IND:
419 				data = RREG32_DIDT(config_regs->offset);
420 				break;
421 			default:
422 				data = RREG32(config_regs->offset);
423 				break;
424 			}
425 
426 			data &= ~config_regs->mask;
427 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
428 			data |= cache;
429 			cache = 0;
430 
431 			switch (config_regs->type) {
432 			case KV_CONFIGREG_SMC_IND:
433 				WREG32_SMC(config_regs->offset, data);
434 				break;
435 			case KV_CONFIGREG_DIDT_IND:
436 				WREG32_DIDT(config_regs->offset, data);
437 				break;
438 			default:
439 				WREG32(config_regs->offset, data);
440 				break;
441 			}
442 		}
443 		config_regs++;
444 	}
445 
446 	return 0;
447 }
448 
kv_do_enable_didt(struct amdgpu_device * adev,bool enable)449 static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
450 {
451 	struct kv_power_info *pi = kv_get_pi(adev);
452 	u32 data;
453 
454 	if (pi->caps_sq_ramping) {
455 		data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
456 		if (enable)
457 			data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
458 		else
459 			data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
460 		WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
461 	}
462 
463 	if (pi->caps_db_ramping) {
464 		data = RREG32_DIDT(ixDIDT_DB_CTRL0);
465 		if (enable)
466 			data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
467 		else
468 			data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
469 		WREG32_DIDT(ixDIDT_DB_CTRL0, data);
470 	}
471 
472 	if (pi->caps_td_ramping) {
473 		data = RREG32_DIDT(ixDIDT_TD_CTRL0);
474 		if (enable)
475 			data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
476 		else
477 			data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
478 		WREG32_DIDT(ixDIDT_TD_CTRL0, data);
479 	}
480 
481 	if (pi->caps_tcp_ramping) {
482 		data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
483 		if (enable)
484 			data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
485 		else
486 			data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
487 		WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
488 	}
489 }
490 
kv_enable_didt(struct amdgpu_device * adev,bool enable)491 static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
492 {
493 	struct kv_power_info *pi = kv_get_pi(adev);
494 	int ret;
495 
496 	if (pi->caps_sq_ramping ||
497 	    pi->caps_db_ramping ||
498 	    pi->caps_td_ramping ||
499 	    pi->caps_tcp_ramping) {
500 		amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
501 
502 		if (enable) {
503 			ret = kv_program_pt_config_registers(adev, didt_config_kv);
504 			if (ret) {
505 				amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
506 				return ret;
507 			}
508 		}
509 
510 		kv_do_enable_didt(adev, enable);
511 
512 		amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
513 	}
514 
515 	return 0;
516 }
517 
518 #if 0
519 static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
520 {
521 	struct kv_power_info *pi = kv_get_pi(adev);
522 
523 	if (pi->caps_cac) {
524 		WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
525 		WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
526 		kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
527 
528 		WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
529 		WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
530 		kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
531 
532 		WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
533 		WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
534 		kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
535 
536 		WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
537 		WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
538 		kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
539 
540 		WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
541 		WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
542 		kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
543 
544 		WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
545 		WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
546 		kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
547 	}
548 }
549 #endif
550 
kv_enable_smc_cac(struct amdgpu_device * adev,bool enable)551 static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
552 {
553 	struct kv_power_info *pi = kv_get_pi(adev);
554 	int ret = 0;
555 
556 	if (pi->caps_cac) {
557 		if (enable) {
558 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
559 			if (ret)
560 				pi->cac_enabled = false;
561 			else
562 				pi->cac_enabled = true;
563 		} else if (pi->cac_enabled) {
564 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
565 			pi->cac_enabled = false;
566 		}
567 	}
568 
569 	return ret;
570 }
571 
kv_process_firmware_header(struct amdgpu_device * adev)572 static int kv_process_firmware_header(struct amdgpu_device *adev)
573 {
574 	struct kv_power_info *pi = kv_get_pi(adev);
575 	u32 tmp;
576 	int ret;
577 
578 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
579 				     offsetof(SMU7_Firmware_Header, DpmTable),
580 				     &tmp, pi->sram_end);
581 
582 	if (ret == 0)
583 		pi->dpm_table_start = tmp;
584 
585 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
586 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
587 				     &tmp, pi->sram_end);
588 
589 	if (ret == 0)
590 		pi->soft_regs_start = tmp;
591 
592 	return ret;
593 }
594 
kv_enable_dpm_voltage_scaling(struct amdgpu_device * adev)595 static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
596 {
597 	struct kv_power_info *pi = kv_get_pi(adev);
598 	int ret;
599 
600 	pi->graphics_voltage_change_enable = 1;
601 
602 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
603 				   pi->dpm_table_start +
604 				   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
605 				   &pi->graphics_voltage_change_enable,
606 				   sizeof(u8), pi->sram_end);
607 
608 	return ret;
609 }
610 
kv_set_dpm_interval(struct amdgpu_device * adev)611 static int kv_set_dpm_interval(struct amdgpu_device *adev)
612 {
613 	struct kv_power_info *pi = kv_get_pi(adev);
614 	int ret;
615 
616 	pi->graphics_interval = 1;
617 
618 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
619 				   pi->dpm_table_start +
620 				   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
621 				   &pi->graphics_interval,
622 				   sizeof(u8), pi->sram_end);
623 
624 	return ret;
625 }
626 
kv_set_dpm_boot_state(struct amdgpu_device * adev)627 static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
628 {
629 	struct kv_power_info *pi = kv_get_pi(adev);
630 	int ret;
631 
632 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
633 				   pi->dpm_table_start +
634 				   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
635 				   &pi->graphics_boot_level,
636 				   sizeof(u8), pi->sram_end);
637 
638 	return ret;
639 }
640 
kv_program_vc(struct amdgpu_device * adev)641 static void kv_program_vc(struct amdgpu_device *adev)
642 {
643 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
644 }
645 
kv_clear_vc(struct amdgpu_device * adev)646 static void kv_clear_vc(struct amdgpu_device *adev)
647 {
648 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
649 }
650 
kv_set_divider_value(struct amdgpu_device * adev,u32 index,u32 sclk)651 static int kv_set_divider_value(struct amdgpu_device *adev,
652 				u32 index, u32 sclk)
653 {
654 	struct kv_power_info *pi = kv_get_pi(adev);
655 	struct atom_clock_dividers dividers;
656 	int ret;
657 
658 	ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
659 						 sclk, false, &dividers);
660 	if (ret)
661 		return ret;
662 
663 	pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
664 	pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
665 
666 	return 0;
667 }
668 
kv_convert_8bit_index_to_voltage(struct amdgpu_device * adev,u16 voltage)669 static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
670 					    u16 voltage)
671 {
672 	return 6200 - (voltage * 25);
673 }
674 
kv_convert_2bit_index_to_voltage(struct amdgpu_device * adev,u32 vid_2bit)675 static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
676 					    u32 vid_2bit)
677 {
678 	struct kv_power_info *pi = kv_get_pi(adev);
679 	u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
680 					       &pi->sys_info.vid_mapping_table,
681 					       vid_2bit);
682 
683 	return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
684 }
685 
686 
kv_set_vid(struct amdgpu_device * adev,u32 index,u32 vid)687 static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
688 {
689 	struct kv_power_info *pi = kv_get_pi(adev);
690 
691 	pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
692 	pi->graphics_level[index].MinVddNb =
693 		cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));
694 
695 	return 0;
696 }
697 
kv_set_at(struct amdgpu_device * adev,u32 index,u32 at)698 static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
699 {
700 	struct kv_power_info *pi = kv_get_pi(adev);
701 
702 	pi->graphics_level[index].AT = cpu_to_be16((u16)at);
703 
704 	return 0;
705 }
706 
kv_dpm_power_level_enable(struct amdgpu_device * adev,u32 index,bool enable)707 static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
708 				      u32 index, bool enable)
709 {
710 	struct kv_power_info *pi = kv_get_pi(adev);
711 
712 	pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
713 }
714 
kv_start_dpm(struct amdgpu_device * adev)715 static void kv_start_dpm(struct amdgpu_device *adev)
716 {
717 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
718 
719 	tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
720 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
721 
722 	amdgpu_kv_smc_dpm_enable(adev, true);
723 }
724 
kv_stop_dpm(struct amdgpu_device * adev)725 static void kv_stop_dpm(struct amdgpu_device *adev)
726 {
727 	amdgpu_kv_smc_dpm_enable(adev, false);
728 }
729 
kv_start_am(struct amdgpu_device * adev)730 static void kv_start_am(struct amdgpu_device *adev)
731 {
732 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
733 
734 	sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
735 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
736 	sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
737 
738 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
739 }
740 
kv_reset_am(struct amdgpu_device * adev)741 static void kv_reset_am(struct amdgpu_device *adev)
742 {
743 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
744 
745 	sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
746 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
747 
748 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
749 }
750 
kv_freeze_sclk_dpm(struct amdgpu_device * adev,bool freeze)751 static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
752 {
753 	return amdgpu_kv_notify_message_to_smu(adev, freeze ?
754 					PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
755 }
756 
kv_force_lowest_valid(struct amdgpu_device * adev)757 static int kv_force_lowest_valid(struct amdgpu_device *adev)
758 {
759 	return kv_force_dpm_lowest(adev);
760 }
761 
kv_unforce_levels(struct amdgpu_device * adev)762 static int kv_unforce_levels(struct amdgpu_device *adev)
763 {
764 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
765 		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
766 	else
767 		return kv_set_enabled_levels(adev);
768 }
769 
kv_update_sclk_t(struct amdgpu_device * adev)770 static int kv_update_sclk_t(struct amdgpu_device *adev)
771 {
772 	struct kv_power_info *pi = kv_get_pi(adev);
773 	u32 low_sclk_interrupt_t = 0;
774 	int ret = 0;
775 
776 	if (pi->caps_sclk_throttle_low_notification) {
777 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
778 
779 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
780 					   pi->dpm_table_start +
781 					   offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
782 					   (u8 *)&low_sclk_interrupt_t,
783 					   sizeof(u32), pi->sram_end);
784 	}
785 	return ret;
786 }
787 
kv_program_bootup_state(struct amdgpu_device * adev)788 static int kv_program_bootup_state(struct amdgpu_device *adev)
789 {
790 	struct kv_power_info *pi = kv_get_pi(adev);
791 	u32 i;
792 	struct amdgpu_clock_voltage_dependency_table *table =
793 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
794 
795 	if (table && table->count) {
796 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
797 			if (table->entries[i].clk == pi->boot_pl.sclk)
798 				break;
799 		}
800 
801 		pi->graphics_boot_level = (u8)i;
802 		kv_dpm_power_level_enable(adev, i, true);
803 	} else {
804 		struct sumo_sclk_voltage_mapping_table *table =
805 			&pi->sys_info.sclk_voltage_mapping_table;
806 
807 		if (table->num_max_dpm_entries == 0)
808 			return -EINVAL;
809 
810 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
811 			if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
812 				break;
813 		}
814 
815 		pi->graphics_boot_level = (u8)i;
816 		kv_dpm_power_level_enable(adev, i, true);
817 	}
818 	return 0;
819 }
820 
kv_enable_auto_thermal_throttling(struct amdgpu_device * adev)821 static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
822 {
823 	struct kv_power_info *pi = kv_get_pi(adev);
824 	int ret;
825 
826 	pi->graphics_therm_throttle_enable = 1;
827 
828 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
829 				   pi->dpm_table_start +
830 				   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
831 				   &pi->graphics_therm_throttle_enable,
832 				   sizeof(u8), pi->sram_end);
833 
834 	return ret;
835 }
836 
kv_upload_dpm_settings(struct amdgpu_device * adev)837 static int kv_upload_dpm_settings(struct amdgpu_device *adev)
838 {
839 	struct kv_power_info *pi = kv_get_pi(adev);
840 	int ret;
841 
842 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
843 				   pi->dpm_table_start +
844 				   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
845 				   (u8 *)&pi->graphics_level,
846 				   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
847 				   pi->sram_end);
848 
849 	if (ret)
850 		return ret;
851 
852 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
853 				   pi->dpm_table_start +
854 				   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
855 				   &pi->graphics_dpm_level_count,
856 				   sizeof(u8), pi->sram_end);
857 
858 	return ret;
859 }
860 
kv_get_clock_difference(u32 a,u32 b)861 static u32 kv_get_clock_difference(u32 a, u32 b)
862 {
863 	return (a >= b) ? a - b : b - a;
864 }
865 
kv_get_clk_bypass(struct amdgpu_device * adev,u32 clk)866 static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
867 {
868 	struct kv_power_info *pi = kv_get_pi(adev);
869 	u32 value;
870 
871 	if (pi->caps_enable_dfs_bypass) {
872 		if (kv_get_clock_difference(clk, 40000) < 200)
873 			value = 3;
874 		else if (kv_get_clock_difference(clk, 30000) < 200)
875 			value = 2;
876 		else if (kv_get_clock_difference(clk, 20000) < 200)
877 			value = 7;
878 		else if (kv_get_clock_difference(clk, 15000) < 200)
879 			value = 6;
880 		else if (kv_get_clock_difference(clk, 10000) < 200)
881 			value = 8;
882 		else
883 			value = 0;
884 	} else {
885 		value = 0;
886 	}
887 
888 	return value;
889 }
890 
kv_populate_uvd_table(struct amdgpu_device * adev)891 static int kv_populate_uvd_table(struct amdgpu_device *adev)
892 {
893 	struct kv_power_info *pi = kv_get_pi(adev);
894 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
895 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
896 	struct atom_clock_dividers dividers;
897 	int ret;
898 	u32 i;
899 
900 	if (table == NULL || table->count == 0)
901 		return 0;
902 
903 	pi->uvd_level_count = 0;
904 	for (i = 0; i < table->count; i++) {
905 		if (pi->high_voltage_t &&
906 		    (pi->high_voltage_t < table->entries[i].v))
907 			break;
908 
909 		pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
910 		pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
911 		pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
912 
913 		pi->uvd_level[i].VClkBypassCntl =
914 			(u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
915 		pi->uvd_level[i].DClkBypassCntl =
916 			(u8)kv_get_clk_bypass(adev, table->entries[i].dclk);
917 
918 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
919 							 table->entries[i].vclk, false, &dividers);
920 		if (ret)
921 			return ret;
922 		pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
923 
924 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
925 							 table->entries[i].dclk, false, &dividers);
926 		if (ret)
927 			return ret;
928 		pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
929 
930 		pi->uvd_level_count++;
931 	}
932 
933 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
934 				   pi->dpm_table_start +
935 				   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
936 				   (u8 *)&pi->uvd_level_count,
937 				   sizeof(u8), pi->sram_end);
938 	if (ret)
939 		return ret;
940 
941 	pi->uvd_interval = 1;
942 
943 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
944 				   pi->dpm_table_start +
945 				   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
946 				   &pi->uvd_interval,
947 				   sizeof(u8), pi->sram_end);
948 	if (ret)
949 		return ret;
950 
951 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
952 				   pi->dpm_table_start +
953 				   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
954 				   (u8 *)&pi->uvd_level,
955 				   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
956 				   pi->sram_end);
957 
958 	return ret;
959 
960 }
961 
kv_populate_vce_table(struct amdgpu_device * adev)962 static int kv_populate_vce_table(struct amdgpu_device *adev)
963 {
964 	struct kv_power_info *pi = kv_get_pi(adev);
965 	int ret;
966 	u32 i;
967 	struct amdgpu_vce_clock_voltage_dependency_table *table =
968 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
969 	struct atom_clock_dividers dividers;
970 
971 	if (table == NULL || table->count == 0)
972 		return 0;
973 
974 	pi->vce_level_count = 0;
975 	for (i = 0; i < table->count; i++) {
976 		if (pi->high_voltage_t &&
977 		    pi->high_voltage_t < table->entries[i].v)
978 			break;
979 
980 		pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
981 		pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
982 
983 		pi->vce_level[i].ClkBypassCntl =
984 			(u8)kv_get_clk_bypass(adev, table->entries[i].evclk);
985 
986 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
987 							 table->entries[i].evclk, false, &dividers);
988 		if (ret)
989 			return ret;
990 		pi->vce_level[i].Divider = (u8)dividers.post_div;
991 
992 		pi->vce_level_count++;
993 	}
994 
995 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
996 				   pi->dpm_table_start +
997 				   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
998 				   (u8 *)&pi->vce_level_count,
999 				   sizeof(u8),
1000 				   pi->sram_end);
1001 	if (ret)
1002 		return ret;
1003 
1004 	pi->vce_interval = 1;
1005 
1006 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1007 				   pi->dpm_table_start +
1008 				   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
1009 				   (u8 *)&pi->vce_interval,
1010 				   sizeof(u8),
1011 				   pi->sram_end);
1012 	if (ret)
1013 		return ret;
1014 
1015 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1016 				   pi->dpm_table_start +
1017 				   offsetof(SMU7_Fusion_DpmTable, VceLevel),
1018 				   (u8 *)&pi->vce_level,
1019 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
1020 				   pi->sram_end);
1021 
1022 	return ret;
1023 }
1024 
kv_populate_samu_table(struct amdgpu_device * adev)1025 static int kv_populate_samu_table(struct amdgpu_device *adev)
1026 {
1027 	struct kv_power_info *pi = kv_get_pi(adev);
1028 	struct amdgpu_clock_voltage_dependency_table *table =
1029 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1030 	struct atom_clock_dividers dividers;
1031 	int ret;
1032 	u32 i;
1033 
1034 	if (table == NULL || table->count == 0)
1035 		return 0;
1036 
1037 	pi->samu_level_count = 0;
1038 	for (i = 0; i < table->count; i++) {
1039 		if (pi->high_voltage_t &&
1040 		    pi->high_voltage_t < table->entries[i].v)
1041 			break;
1042 
1043 		pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1044 		pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1045 
1046 		pi->samu_level[i].ClkBypassCntl =
1047 			(u8)kv_get_clk_bypass(adev, table->entries[i].clk);
1048 
1049 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1050 							 table->entries[i].clk, false, &dividers);
1051 		if (ret)
1052 			return ret;
1053 		pi->samu_level[i].Divider = (u8)dividers.post_div;
1054 
1055 		pi->samu_level_count++;
1056 	}
1057 
1058 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1059 				   pi->dpm_table_start +
1060 				   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
1061 				   (u8 *)&pi->samu_level_count,
1062 				   sizeof(u8),
1063 				   pi->sram_end);
1064 	if (ret)
1065 		return ret;
1066 
1067 	pi->samu_interval = 1;
1068 
1069 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1070 				   pi->dpm_table_start +
1071 				   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1072 				   (u8 *)&pi->samu_interval,
1073 				   sizeof(u8),
1074 				   pi->sram_end);
1075 	if (ret)
1076 		return ret;
1077 
1078 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1079 				   pi->dpm_table_start +
1080 				   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1081 				   (u8 *)&pi->samu_level,
1082 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1083 				   pi->sram_end);
1084 	if (ret)
1085 		return ret;
1086 
1087 	return ret;
1088 }
1089 
1090 
kv_populate_acp_table(struct amdgpu_device * adev)1091 static int kv_populate_acp_table(struct amdgpu_device *adev)
1092 {
1093 	struct kv_power_info *pi = kv_get_pi(adev);
1094 	struct amdgpu_clock_voltage_dependency_table *table =
1095 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1096 	struct atom_clock_dividers dividers;
1097 	int ret;
1098 	u32 i;
1099 
1100 	if (table == NULL || table->count == 0)
1101 		return 0;
1102 
1103 	pi->acp_level_count = 0;
1104 	for (i = 0; i < table->count; i++) {
1105 		pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1106 		pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1107 
1108 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1109 							 table->entries[i].clk, false, &dividers);
1110 		if (ret)
1111 			return ret;
1112 		pi->acp_level[i].Divider = (u8)dividers.post_div;
1113 
1114 		pi->acp_level_count++;
1115 	}
1116 
1117 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1118 				   pi->dpm_table_start +
1119 				   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1120 				   (u8 *)&pi->acp_level_count,
1121 				   sizeof(u8),
1122 				   pi->sram_end);
1123 	if (ret)
1124 		return ret;
1125 
1126 	pi->acp_interval = 1;
1127 
1128 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1129 				   pi->dpm_table_start +
1130 				   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1131 				   (u8 *)&pi->acp_interval,
1132 				   sizeof(u8),
1133 				   pi->sram_end);
1134 	if (ret)
1135 		return ret;
1136 
1137 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1138 				   pi->dpm_table_start +
1139 				   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1140 				   (u8 *)&pi->acp_level,
1141 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1142 				   pi->sram_end);
1143 	if (ret)
1144 		return ret;
1145 
1146 	return ret;
1147 }
1148 
kv_calculate_dfs_bypass_settings(struct amdgpu_device * adev)1149 static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
1150 {
1151 	struct kv_power_info *pi = kv_get_pi(adev);
1152 	u32 i;
1153 	struct amdgpu_clock_voltage_dependency_table *table =
1154 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1155 
1156 	if (table && table->count) {
1157 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1158 			if (pi->caps_enable_dfs_bypass) {
1159 				if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1160 					pi->graphics_level[i].ClkBypassCntl = 3;
1161 				else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1162 					pi->graphics_level[i].ClkBypassCntl = 2;
1163 				else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1164 					pi->graphics_level[i].ClkBypassCntl = 7;
1165 				else if (kv_get_clock_difference(table->entries[i].clk, 20000) < 200)
1166 					pi->graphics_level[i].ClkBypassCntl = 6;
1167 				else if (kv_get_clock_difference(table->entries[i].clk, 10000) < 200)
1168 					pi->graphics_level[i].ClkBypassCntl = 8;
1169 				else
1170 					pi->graphics_level[i].ClkBypassCntl = 0;
1171 			} else {
1172 				pi->graphics_level[i].ClkBypassCntl = 0;
1173 			}
1174 		}
1175 	} else {
1176 		struct sumo_sclk_voltage_mapping_table *table =
1177 			&pi->sys_info.sclk_voltage_mapping_table;
1178 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1179 			if (pi->caps_enable_dfs_bypass) {
1180 				if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1181 					pi->graphics_level[i].ClkBypassCntl = 3;
1182 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1183 					pi->graphics_level[i].ClkBypassCntl = 2;
1184 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1185 					pi->graphics_level[i].ClkBypassCntl = 7;
1186 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1187 					pi->graphics_level[i].ClkBypassCntl = 6;
1188 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1189 					pi->graphics_level[i].ClkBypassCntl = 8;
1190 				else
1191 					pi->graphics_level[i].ClkBypassCntl = 0;
1192 			} else {
1193 				pi->graphics_level[i].ClkBypassCntl = 0;
1194 			}
1195 		}
1196 	}
1197 }
1198 
kv_enable_ulv(struct amdgpu_device * adev,bool enable)1199 static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
1200 {
1201 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1202 					PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1203 }
1204 
kv_reset_acp_boot_level(struct amdgpu_device * adev)1205 static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
1206 {
1207 	struct kv_power_info *pi = kv_get_pi(adev);
1208 
1209 	pi->acp_boot_level = 0xff;
1210 }
1211 
kv_update_current_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1212 static void kv_update_current_ps(struct amdgpu_device *adev,
1213 				 struct amdgpu_ps *rps)
1214 {
1215 	struct kv_ps *new_ps = kv_get_ps(rps);
1216 	struct kv_power_info *pi = kv_get_pi(adev);
1217 
1218 	pi->current_rps = *rps;
1219 	pi->current_ps = *new_ps;
1220 	pi->current_rps.ps_priv = &pi->current_ps;
1221 	adev->pm.dpm.current_ps = &pi->current_rps;
1222 }
1223 
kv_update_requested_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1224 static void kv_update_requested_ps(struct amdgpu_device *adev,
1225 				   struct amdgpu_ps *rps)
1226 {
1227 	struct kv_ps *new_ps = kv_get_ps(rps);
1228 	struct kv_power_info *pi = kv_get_pi(adev);
1229 
1230 	pi->requested_rps = *rps;
1231 	pi->requested_ps = *new_ps;
1232 	pi->requested_rps.ps_priv = &pi->requested_ps;
1233 	adev->pm.dpm.requested_ps = &pi->requested_rps;
1234 }
1235 
kv_dpm_enable_bapm(void * handle,bool enable)1236 static void kv_dpm_enable_bapm(void *handle, bool enable)
1237 {
1238 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1239 	struct kv_power_info *pi = kv_get_pi(adev);
1240 	int ret;
1241 
1242 	if (pi->bapm_enable) {
1243 		ret = amdgpu_kv_smc_bapm_enable(adev, enable);
1244 		if (ret)
1245 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1246 	}
1247 }
1248 
kv_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor)1249 static bool kv_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor)
1250 {
1251 	switch (sensor) {
1252 	case THERMAL_TYPE_KV:
1253 		return true;
1254 	case THERMAL_TYPE_NONE:
1255 	case THERMAL_TYPE_EXTERNAL:
1256 	case THERMAL_TYPE_EXTERNAL_GPIO:
1257 	default:
1258 		return false;
1259 	}
1260 }
1261 
kv_dpm_enable(struct amdgpu_device * adev)1262 static int kv_dpm_enable(struct amdgpu_device *adev)
1263 {
1264 	struct kv_power_info *pi = kv_get_pi(adev);
1265 	int ret;
1266 
1267 	ret = kv_process_firmware_header(adev);
1268 	if (ret) {
1269 		DRM_ERROR("kv_process_firmware_header failed\n");
1270 		return ret;
1271 	}
1272 	kv_init_fps_limits(adev);
1273 	kv_init_graphics_levels(adev);
1274 	ret = kv_program_bootup_state(adev);
1275 	if (ret) {
1276 		DRM_ERROR("kv_program_bootup_state failed\n");
1277 		return ret;
1278 	}
1279 	kv_calculate_dfs_bypass_settings(adev);
1280 	ret = kv_upload_dpm_settings(adev);
1281 	if (ret) {
1282 		DRM_ERROR("kv_upload_dpm_settings failed\n");
1283 		return ret;
1284 	}
1285 	ret = kv_populate_uvd_table(adev);
1286 	if (ret) {
1287 		DRM_ERROR("kv_populate_uvd_table failed\n");
1288 		return ret;
1289 	}
1290 	ret = kv_populate_vce_table(adev);
1291 	if (ret) {
1292 		DRM_ERROR("kv_populate_vce_table failed\n");
1293 		return ret;
1294 	}
1295 	ret = kv_populate_samu_table(adev);
1296 	if (ret) {
1297 		DRM_ERROR("kv_populate_samu_table failed\n");
1298 		return ret;
1299 	}
1300 	ret = kv_populate_acp_table(adev);
1301 	if (ret) {
1302 		DRM_ERROR("kv_populate_acp_table failed\n");
1303 		return ret;
1304 	}
1305 	kv_program_vc(adev);
1306 #if 0
1307 	kv_initialize_hardware_cac_manager(adev);
1308 #endif
1309 	kv_start_am(adev);
1310 	if (pi->enable_auto_thermal_throttling) {
1311 		ret = kv_enable_auto_thermal_throttling(adev);
1312 		if (ret) {
1313 			DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
1314 			return ret;
1315 		}
1316 	}
1317 	ret = kv_enable_dpm_voltage_scaling(adev);
1318 	if (ret) {
1319 		DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
1320 		return ret;
1321 	}
1322 	ret = kv_set_dpm_interval(adev);
1323 	if (ret) {
1324 		DRM_ERROR("kv_set_dpm_interval failed\n");
1325 		return ret;
1326 	}
1327 	ret = kv_set_dpm_boot_state(adev);
1328 	if (ret) {
1329 		DRM_ERROR("kv_set_dpm_boot_state failed\n");
1330 		return ret;
1331 	}
1332 	ret = kv_enable_ulv(adev, true);
1333 	if (ret) {
1334 		DRM_ERROR("kv_enable_ulv failed\n");
1335 		return ret;
1336 	}
1337 	kv_start_dpm(adev);
1338 	ret = kv_enable_didt(adev, true);
1339 	if (ret) {
1340 		DRM_ERROR("kv_enable_didt failed\n");
1341 		return ret;
1342 	}
1343 	ret = kv_enable_smc_cac(adev, true);
1344 	if (ret) {
1345 		DRM_ERROR("kv_enable_smc_cac failed\n");
1346 		return ret;
1347 	}
1348 
1349 	kv_reset_acp_boot_level(adev);
1350 
1351 	ret = amdgpu_kv_smc_bapm_enable(adev, false);
1352 	if (ret) {
1353 		DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1354 		return ret;
1355 	}
1356 
1357 	if (adev->irq.installed &&
1358 	    kv_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
1359 		ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
1360 		if (ret) {
1361 			DRM_ERROR("kv_set_thermal_temperature_range failed\n");
1362 			return ret;
1363 		}
1364 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1365 			       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1366 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1367 			       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1368 	}
1369 
1370 	return ret;
1371 }
1372 
kv_dpm_disable(struct amdgpu_device * adev)1373 static void kv_dpm_disable(struct amdgpu_device *adev)
1374 {
1375 	struct kv_power_info *pi = kv_get_pi(adev);
1376 	int err;
1377 
1378 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1379 		       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1380 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1381 		       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1382 
1383 	err = amdgpu_kv_smc_bapm_enable(adev, false);
1384 	if (err)
1385 		DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1386 
1387 	if (adev->asic_type == CHIP_MULLINS)
1388 		kv_enable_nb_dpm(adev, false);
1389 
1390 	/* powerup blocks */
1391 	kv_dpm_powergate_acp(adev, false);
1392 	kv_dpm_powergate_samu(adev, false);
1393 	if (pi->caps_vce_pg) /* power on the VCE block */
1394 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1395 	if (pi->caps_uvd_pg) /* power on the UVD block */
1396 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1397 
1398 	kv_enable_smc_cac(adev, false);
1399 	kv_enable_didt(adev, false);
1400 	kv_clear_vc(adev);
1401 	kv_stop_dpm(adev);
1402 	kv_enable_ulv(adev, false);
1403 	kv_reset_am(adev);
1404 
1405 	kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1406 }
1407 
1408 #if 0
1409 static int kv_write_smc_soft_register(struct amdgpu_device *adev,
1410 				      u16 reg_offset, u32 value)
1411 {
1412 	struct kv_power_info *pi = kv_get_pi(adev);
1413 
1414 	return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
1415 				    (u8 *)&value, sizeof(u16), pi->sram_end);
1416 }
1417 
1418 static int kv_read_smc_soft_register(struct amdgpu_device *adev,
1419 				     u16 reg_offset, u32 *value)
1420 {
1421 	struct kv_power_info *pi = kv_get_pi(adev);
1422 
1423 	return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
1424 				      value, pi->sram_end);
1425 }
1426 #endif
1427 
kv_init_sclk_t(struct amdgpu_device * adev)1428 static void kv_init_sclk_t(struct amdgpu_device *adev)
1429 {
1430 	struct kv_power_info *pi = kv_get_pi(adev);
1431 
1432 	pi->low_sclk_interrupt_t = 0;
1433 }
1434 
kv_init_fps_limits(struct amdgpu_device * adev)1435 static int kv_init_fps_limits(struct amdgpu_device *adev)
1436 {
1437 	struct kv_power_info *pi = kv_get_pi(adev);
1438 	int ret = 0;
1439 
1440 	if (pi->caps_fps) {
1441 		u16 tmp;
1442 
1443 		tmp = 45;
1444 		pi->fps_high_t = cpu_to_be16(tmp);
1445 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1446 					   pi->dpm_table_start +
1447 					   offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1448 					   (u8 *)&pi->fps_high_t,
1449 					   sizeof(u16), pi->sram_end);
1450 
1451 		tmp = 30;
1452 		pi->fps_low_t = cpu_to_be16(tmp);
1453 
1454 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1455 					   pi->dpm_table_start +
1456 					   offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1457 					   (u8 *)&pi->fps_low_t,
1458 					   sizeof(u16), pi->sram_end);
1459 
1460 	}
1461 	return ret;
1462 }
1463 
kv_init_powergate_state(struct amdgpu_device * adev)1464 static void kv_init_powergate_state(struct amdgpu_device *adev)
1465 {
1466 	struct kv_power_info *pi = kv_get_pi(adev);
1467 
1468 	pi->uvd_power_gated = false;
1469 	pi->vce_power_gated = false;
1470 	pi->samu_power_gated = false;
1471 	pi->acp_power_gated = false;
1472 
1473 }
1474 
kv_enable_uvd_dpm(struct amdgpu_device * adev,bool enable)1475 static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1476 {
1477 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1478 					PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1479 }
1480 
kv_enable_vce_dpm(struct amdgpu_device * adev,bool enable)1481 static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1482 {
1483 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1484 					PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1485 }
1486 
kv_enable_samu_dpm(struct amdgpu_device * adev,bool enable)1487 static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
1488 {
1489 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1490 					PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1491 }
1492 
kv_enable_acp_dpm(struct amdgpu_device * adev,bool enable)1493 static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
1494 {
1495 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1496 					PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1497 }
1498 
kv_update_uvd_dpm(struct amdgpu_device * adev,bool gate)1499 static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1500 {
1501 	struct kv_power_info *pi = kv_get_pi(adev);
1502 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
1503 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1504 	int ret;
1505 	u32 mask;
1506 
1507 	if (!gate) {
1508 		if (table->count)
1509 			pi->uvd_boot_level = table->count - 1;
1510 		else
1511 			pi->uvd_boot_level = 0;
1512 
1513 		if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1514 			mask = 1 << pi->uvd_boot_level;
1515 		} else {
1516 			mask = 0x1f;
1517 		}
1518 
1519 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1520 					   pi->dpm_table_start +
1521 					   offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1522 					   (uint8_t *)&pi->uvd_boot_level,
1523 					   sizeof(u8), pi->sram_end);
1524 		if (ret)
1525 			return ret;
1526 
1527 		amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1528 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
1529 						  mask);
1530 	}
1531 
1532 	return kv_enable_uvd_dpm(adev, !gate);
1533 }
1534 
kv_get_vce_boot_level(struct amdgpu_device * adev,u32 evclk)1535 static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
1536 {
1537 	u8 i;
1538 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1539 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1540 
1541 	for (i = 0; i < table->count; i++) {
1542 		if (table->entries[i].evclk >= evclk)
1543 			break;
1544 	}
1545 
1546 	return i;
1547 }
1548 
kv_update_vce_dpm(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)1549 static int kv_update_vce_dpm(struct amdgpu_device *adev,
1550 			     struct amdgpu_ps *amdgpu_new_state,
1551 			     struct amdgpu_ps *amdgpu_current_state)
1552 {
1553 	struct kv_power_info *pi = kv_get_pi(adev);
1554 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1555 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1556 	int ret;
1557 
1558 	if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
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 		kv_enable_vce_dpm(adev, true);
1578 	} else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
1579 		kv_enable_vce_dpm(adev, false);
1580 	}
1581 
1582 	return 0;
1583 }
1584 
kv_update_samu_dpm(struct amdgpu_device * adev,bool gate)1585 static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
1586 {
1587 	struct kv_power_info *pi = kv_get_pi(adev);
1588 	struct amdgpu_clock_voltage_dependency_table *table =
1589 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1590 	int ret;
1591 
1592 	if (!gate) {
1593 		if (pi->caps_stable_p_state)
1594 			pi->samu_boot_level = table->count - 1;
1595 		else
1596 			pi->samu_boot_level = 0;
1597 
1598 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1599 					   pi->dpm_table_start +
1600 					   offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1601 					   (u8 *)&pi->samu_boot_level,
1602 					   sizeof(u8),
1603 					   pi->sram_end);
1604 		if (ret)
1605 			return ret;
1606 
1607 		if (pi->caps_stable_p_state)
1608 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1609 							  PPSMC_MSG_SAMUDPM_SetEnabledMask,
1610 							  (1 << pi->samu_boot_level));
1611 	}
1612 
1613 	return kv_enable_samu_dpm(adev, !gate);
1614 }
1615 
kv_get_acp_boot_level(struct amdgpu_device * adev)1616 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
1617 {
1618 	return 0;
1619 }
1620 
kv_update_acp_boot_level(struct amdgpu_device * adev)1621 static void kv_update_acp_boot_level(struct amdgpu_device *adev)
1622 {
1623 	struct kv_power_info *pi = kv_get_pi(adev);
1624 	u8 acp_boot_level;
1625 
1626 	if (!pi->caps_stable_p_state) {
1627 		acp_boot_level = kv_get_acp_boot_level(adev);
1628 		if (acp_boot_level != pi->acp_boot_level) {
1629 			pi->acp_boot_level = acp_boot_level;
1630 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1631 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1632 							  (1 << pi->acp_boot_level));
1633 		}
1634 	}
1635 }
1636 
kv_update_acp_dpm(struct amdgpu_device * adev,bool gate)1637 static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
1638 {
1639 	struct kv_power_info *pi = kv_get_pi(adev);
1640 	struct amdgpu_clock_voltage_dependency_table *table =
1641 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1642 	int ret;
1643 
1644 	if (!gate) {
1645 		if (pi->caps_stable_p_state)
1646 			pi->acp_boot_level = table->count - 1;
1647 		else
1648 			pi->acp_boot_level = kv_get_acp_boot_level(adev);
1649 
1650 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1651 					   pi->dpm_table_start +
1652 					   offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1653 					   (u8 *)&pi->acp_boot_level,
1654 					   sizeof(u8),
1655 					   pi->sram_end);
1656 		if (ret)
1657 			return ret;
1658 
1659 		if (pi->caps_stable_p_state)
1660 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1661 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1662 							  (1 << pi->acp_boot_level));
1663 	}
1664 
1665 	return kv_enable_acp_dpm(adev, !gate);
1666 }
1667 
kv_dpm_powergate_uvd(void * handle,bool gate)1668 static void kv_dpm_powergate_uvd(void *handle, bool gate)
1669 {
1670 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1671 	struct kv_power_info *pi = kv_get_pi(adev);
1672 
1673 	pi->uvd_power_gated = gate;
1674 
1675 	if (gate) {
1676 		/* stop the UVD block */
1677 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1678 						       AMD_PG_STATE_GATE);
1679 		kv_update_uvd_dpm(adev, gate);
1680 		if (pi->caps_uvd_pg)
1681 			/* power off the UVD block */
1682 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
1683 	} else {
1684 		if (pi->caps_uvd_pg)
1685 			/* power on the UVD block */
1686 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1687 			/* re-init the UVD block */
1688 		kv_update_uvd_dpm(adev, gate);
1689 
1690 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1691 						       AMD_PG_STATE_UNGATE);
1692 	}
1693 }
1694 
kv_dpm_powergate_vce(void * handle,bool gate)1695 static void kv_dpm_powergate_vce(void *handle, bool gate)
1696 {
1697 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1698 	struct kv_power_info *pi = kv_get_pi(adev);
1699 
1700 	pi->vce_power_gated = gate;
1701 
1702 	if (gate) {
1703 		/* stop the VCE block */
1704 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1705 						       AMD_PG_STATE_GATE);
1706 		kv_enable_vce_dpm(adev, false);
1707 		if (pi->caps_vce_pg) /* power off the VCE block */
1708 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
1709 	} else {
1710 		if (pi->caps_vce_pg) /* power on the VCE block */
1711 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1712 		kv_enable_vce_dpm(adev, true);
1713 		/* re-init the VCE block */
1714 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1715 						       AMD_PG_STATE_UNGATE);
1716 	}
1717 }
1718 
1719 
kv_dpm_powergate_samu(struct amdgpu_device * adev,bool gate)1720 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
1721 {
1722 	struct kv_power_info *pi = kv_get_pi(adev);
1723 
1724 	if (pi->samu_power_gated == gate)
1725 		return;
1726 
1727 	pi->samu_power_gated = gate;
1728 
1729 	if (gate) {
1730 		kv_update_samu_dpm(adev, true);
1731 		if (pi->caps_samu_pg)
1732 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
1733 	} else {
1734 		if (pi->caps_samu_pg)
1735 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
1736 		kv_update_samu_dpm(adev, false);
1737 	}
1738 }
1739 
kv_dpm_powergate_acp(struct amdgpu_device * adev,bool gate)1740 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
1741 {
1742 	struct kv_power_info *pi = kv_get_pi(adev);
1743 
1744 	if (pi->acp_power_gated == gate)
1745 		return;
1746 
1747 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
1748 		return;
1749 
1750 	pi->acp_power_gated = gate;
1751 
1752 	if (gate) {
1753 		kv_update_acp_dpm(adev, true);
1754 		if (pi->caps_acp_pg)
1755 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
1756 	} else {
1757 		if (pi->caps_acp_pg)
1758 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
1759 		kv_update_acp_dpm(adev, false);
1760 	}
1761 }
1762 
kv_set_valid_clock_range(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1763 static void kv_set_valid_clock_range(struct amdgpu_device *adev,
1764 				     struct amdgpu_ps *new_rps)
1765 {
1766 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1767 	struct kv_power_info *pi = kv_get_pi(adev);
1768 	u32 i;
1769 	struct amdgpu_clock_voltage_dependency_table *table =
1770 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1771 
1772 	if (table && table->count) {
1773 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1774 			if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1775 			    (i == (pi->graphics_dpm_level_count - 1))) {
1776 				pi->lowest_valid = i;
1777 				break;
1778 			}
1779 		}
1780 
1781 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1782 			if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1783 				break;
1784 		}
1785 		pi->highest_valid = i;
1786 
1787 		if (pi->lowest_valid > pi->highest_valid) {
1788 			if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1789 			    (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1790 				pi->highest_valid = pi->lowest_valid;
1791 			else
1792 				pi->lowest_valid =  pi->highest_valid;
1793 		}
1794 	} else {
1795 		struct sumo_sclk_voltage_mapping_table *table =
1796 			&pi->sys_info.sclk_voltage_mapping_table;
1797 
1798 		for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1799 			if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1800 			    i == (int)(pi->graphics_dpm_level_count - 1)) {
1801 				pi->lowest_valid = i;
1802 				break;
1803 			}
1804 		}
1805 
1806 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1807 			if (table->entries[i].sclk_frequency <=
1808 			    new_ps->levels[new_ps->num_levels - 1].sclk)
1809 				break;
1810 		}
1811 		pi->highest_valid = i;
1812 
1813 		if (pi->lowest_valid > pi->highest_valid) {
1814 			if ((new_ps->levels[0].sclk -
1815 			     table->entries[pi->highest_valid].sclk_frequency) >
1816 			    (table->entries[pi->lowest_valid].sclk_frequency -
1817 			     new_ps->levels[new_ps->num_levels - 1].sclk))
1818 				pi->highest_valid = pi->lowest_valid;
1819 			else
1820 				pi->lowest_valid =  pi->highest_valid;
1821 		}
1822 	}
1823 }
1824 
kv_update_dfs_bypass_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1825 static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
1826 					 struct amdgpu_ps *new_rps)
1827 {
1828 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1829 	struct kv_power_info *pi = kv_get_pi(adev);
1830 	int ret = 0;
1831 	u8 clk_bypass_cntl;
1832 
1833 	if (pi->caps_enable_dfs_bypass) {
1834 		clk_bypass_cntl = new_ps->need_dfs_bypass ?
1835 			pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1836 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1837 					   (pi->dpm_table_start +
1838 					    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1839 					    (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1840 					    offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1841 					   &clk_bypass_cntl,
1842 					   sizeof(u8), pi->sram_end);
1843 	}
1844 
1845 	return ret;
1846 }
1847 
kv_enable_nb_dpm(struct amdgpu_device * adev,bool enable)1848 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
1849 			    bool enable)
1850 {
1851 	struct kv_power_info *pi = kv_get_pi(adev);
1852 	int ret = 0;
1853 
1854 	if (enable) {
1855 		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1856 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
1857 			if (ret == 0)
1858 				pi->nb_dpm_enabled = true;
1859 		}
1860 	} else {
1861 		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1862 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
1863 			if (ret == 0)
1864 				pi->nb_dpm_enabled = false;
1865 		}
1866 	}
1867 
1868 	return ret;
1869 }
1870 
kv_dpm_force_performance_level(void * handle,enum amd_dpm_forced_level level)1871 static int kv_dpm_force_performance_level(void *handle,
1872 					  enum amd_dpm_forced_level level)
1873 {
1874 	int ret;
1875 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1876 
1877 	if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
1878 		ret = kv_force_dpm_highest(adev);
1879 		if (ret)
1880 			return ret;
1881 	} else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
1882 		ret = kv_force_dpm_lowest(adev);
1883 		if (ret)
1884 			return ret;
1885 	} else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
1886 		ret = kv_unforce_levels(adev);
1887 		if (ret)
1888 			return ret;
1889 	}
1890 
1891 	adev->pm.dpm.forced_level = level;
1892 
1893 	return 0;
1894 }
1895 
kv_dpm_pre_set_power_state(void * handle)1896 static int kv_dpm_pre_set_power_state(void *handle)
1897 {
1898 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1899 	struct kv_power_info *pi = kv_get_pi(adev);
1900 	struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1901 	struct amdgpu_ps *new_ps = &requested_ps;
1902 
1903 	kv_update_requested_ps(adev, new_ps);
1904 
1905 	kv_apply_state_adjust_rules(adev,
1906 				    &pi->requested_rps,
1907 				    &pi->current_rps);
1908 
1909 	return 0;
1910 }
1911 
kv_dpm_set_power_state(void * handle)1912 static int kv_dpm_set_power_state(void *handle)
1913 {
1914 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1915 	struct kv_power_info *pi = kv_get_pi(adev);
1916 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1917 	struct amdgpu_ps *old_ps = &pi->current_rps;
1918 	int ret;
1919 
1920 	if (pi->bapm_enable) {
1921 		ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power);
1922 		if (ret) {
1923 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1924 			return ret;
1925 		}
1926 	}
1927 
1928 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
1929 		if (pi->enable_dpm) {
1930 			kv_set_valid_clock_range(adev, new_ps);
1931 			kv_update_dfs_bypass_settings(adev, new_ps);
1932 			ret = kv_calculate_ds_divider(adev);
1933 			if (ret) {
1934 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1935 				return ret;
1936 			}
1937 			kv_calculate_nbps_level_settings(adev);
1938 			kv_calculate_dpm_settings(adev);
1939 			kv_force_lowest_valid(adev);
1940 			kv_enable_new_levels(adev);
1941 			kv_upload_dpm_settings(adev);
1942 			kv_program_nbps_index_settings(adev, new_ps);
1943 			kv_unforce_levels(adev);
1944 			kv_set_enabled_levels(adev);
1945 			kv_force_lowest_valid(adev);
1946 			kv_unforce_levels(adev);
1947 
1948 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1949 			if (ret) {
1950 				DRM_ERROR("kv_update_vce_dpm failed\n");
1951 				return ret;
1952 			}
1953 			kv_update_sclk_t(adev);
1954 			if (adev->asic_type == CHIP_MULLINS)
1955 				kv_enable_nb_dpm(adev, true);
1956 		}
1957 	} else {
1958 		if (pi->enable_dpm) {
1959 			kv_set_valid_clock_range(adev, new_ps);
1960 			kv_update_dfs_bypass_settings(adev, new_ps);
1961 			ret = kv_calculate_ds_divider(adev);
1962 			if (ret) {
1963 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1964 				return ret;
1965 			}
1966 			kv_calculate_nbps_level_settings(adev);
1967 			kv_calculate_dpm_settings(adev);
1968 			kv_freeze_sclk_dpm(adev, true);
1969 			kv_upload_dpm_settings(adev);
1970 			kv_program_nbps_index_settings(adev, new_ps);
1971 			kv_freeze_sclk_dpm(adev, false);
1972 			kv_set_enabled_levels(adev);
1973 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1974 			if (ret) {
1975 				DRM_ERROR("kv_update_vce_dpm failed\n");
1976 				return ret;
1977 			}
1978 			kv_update_acp_boot_level(adev);
1979 			kv_update_sclk_t(adev);
1980 			kv_enable_nb_dpm(adev, true);
1981 		}
1982 	}
1983 
1984 	return 0;
1985 }
1986 
kv_dpm_post_set_power_state(void * handle)1987 static void kv_dpm_post_set_power_state(void *handle)
1988 {
1989 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1990 	struct kv_power_info *pi = kv_get_pi(adev);
1991 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1992 
1993 	kv_update_current_ps(adev, new_ps);
1994 }
1995 
kv_dpm_setup_asic(struct amdgpu_device * adev)1996 static void kv_dpm_setup_asic(struct amdgpu_device *adev)
1997 {
1998 	sumo_take_smu_control(adev, true);
1999 	kv_init_powergate_state(adev);
2000 	kv_init_sclk_t(adev);
2001 }
2002 
2003 #if 0
2004 static void kv_dpm_reset_asic(struct amdgpu_device *adev)
2005 {
2006 	struct kv_power_info *pi = kv_get_pi(adev);
2007 
2008 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2009 		kv_force_lowest_valid(adev);
2010 		kv_init_graphics_levels(adev);
2011 		kv_program_bootup_state(adev);
2012 		kv_upload_dpm_settings(adev);
2013 		kv_force_lowest_valid(adev);
2014 		kv_unforce_levels(adev);
2015 	} else {
2016 		kv_init_graphics_levels(adev);
2017 		kv_program_bootup_state(adev);
2018 		kv_freeze_sclk_dpm(adev, true);
2019 		kv_upload_dpm_settings(adev);
2020 		kv_freeze_sclk_dpm(adev, false);
2021 		kv_set_enabled_level(adev, pi->graphics_boot_level);
2022 	}
2023 }
2024 #endif
2025 
kv_construct_max_power_limits_table(struct amdgpu_device * adev,struct amdgpu_clock_and_voltage_limits * table)2026 static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
2027 						struct amdgpu_clock_and_voltage_limits *table)
2028 {
2029 	struct kv_power_info *pi = kv_get_pi(adev);
2030 
2031 	if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
2032 		int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
2033 		table->sclk =
2034 			pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
2035 		table->vddc =
2036 			kv_convert_2bit_index_to_voltage(adev,
2037 							 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
2038 	}
2039 
2040 	table->mclk = pi->sys_info.nbp_memory_clock[0];
2041 }
2042 
kv_patch_voltage_values(struct amdgpu_device * adev)2043 static void kv_patch_voltage_values(struct amdgpu_device *adev)
2044 {
2045 	int i;
2046 	struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
2047 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
2048 	struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
2049 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
2050 	struct amdgpu_clock_voltage_dependency_table *samu_table =
2051 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
2052 	struct amdgpu_clock_voltage_dependency_table *acp_table =
2053 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
2054 
2055 	if (uvd_table->count) {
2056 		for (i = 0; i < uvd_table->count; i++)
2057 			uvd_table->entries[i].v =
2058 				kv_convert_8bit_index_to_voltage(adev,
2059 								 uvd_table->entries[i].v);
2060 	}
2061 
2062 	if (vce_table->count) {
2063 		for (i = 0; i < vce_table->count; i++)
2064 			vce_table->entries[i].v =
2065 				kv_convert_8bit_index_to_voltage(adev,
2066 								 vce_table->entries[i].v);
2067 	}
2068 
2069 	if (samu_table->count) {
2070 		for (i = 0; i < samu_table->count; i++)
2071 			samu_table->entries[i].v =
2072 				kv_convert_8bit_index_to_voltage(adev,
2073 								 samu_table->entries[i].v);
2074 	}
2075 
2076 	if (acp_table->count) {
2077 		for (i = 0; i < acp_table->count; i++)
2078 			acp_table->entries[i].v =
2079 				kv_convert_8bit_index_to_voltage(adev,
2080 								 acp_table->entries[i].v);
2081 	}
2082 
2083 }
2084 
kv_construct_boot_state(struct amdgpu_device * adev)2085 static void kv_construct_boot_state(struct amdgpu_device *adev)
2086 {
2087 	struct kv_power_info *pi = kv_get_pi(adev);
2088 
2089 	pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2090 	pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2091 	pi->boot_pl.ds_divider_index = 0;
2092 	pi->boot_pl.ss_divider_index = 0;
2093 	pi->boot_pl.allow_gnb_slow = 1;
2094 	pi->boot_pl.force_nbp_state = 0;
2095 	pi->boot_pl.display_wm = 0;
2096 	pi->boot_pl.vce_wm = 0;
2097 }
2098 
kv_force_dpm_highest(struct amdgpu_device * adev)2099 static int kv_force_dpm_highest(struct amdgpu_device *adev)
2100 {
2101 	int ret;
2102 	u32 enable_mask, i;
2103 
2104 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2105 	if (ret)
2106 		return ret;
2107 
2108 	for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2109 		if (enable_mask & (1 << i))
2110 			break;
2111 	}
2112 
2113 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2114 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2115 	else
2116 		return kv_set_enabled_level(adev, i);
2117 }
2118 
kv_force_dpm_lowest(struct amdgpu_device * adev)2119 static int kv_force_dpm_lowest(struct amdgpu_device *adev)
2120 {
2121 	int ret;
2122 	u32 enable_mask, i;
2123 
2124 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2125 	if (ret)
2126 		return ret;
2127 
2128 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2129 		if (enable_mask & (1 << i))
2130 			break;
2131 	}
2132 
2133 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2134 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2135 	else
2136 		return kv_set_enabled_level(adev, i);
2137 }
2138 
kv_get_sleep_divider_id_from_clock(struct amdgpu_device * adev,u32 sclk,u32 min_sclk_in_sr)2139 static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
2140 					     u32 sclk, u32 min_sclk_in_sr)
2141 {
2142 	struct kv_power_info *pi = kv_get_pi(adev);
2143 	u32 i;
2144 	u32 temp;
2145 	u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK);
2146 
2147 	if (sclk < min)
2148 		return 0;
2149 
2150 	if (!pi->caps_sclk_ds)
2151 		return 0;
2152 
2153 	for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2154 		temp = sclk >> i;
2155 		if (temp >= min)
2156 			break;
2157 	}
2158 
2159 	return (u8)i;
2160 }
2161 
kv_get_high_voltage_limit(struct amdgpu_device * adev,int * limit)2162 static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
2163 {
2164 	struct kv_power_info *pi = kv_get_pi(adev);
2165 	struct amdgpu_clock_voltage_dependency_table *table =
2166 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2167 	int i;
2168 
2169 	if (table && table->count) {
2170 		for (i = table->count - 1; i >= 0; i--) {
2171 			if (pi->high_voltage_t &&
2172 			    (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
2173 			     pi->high_voltage_t)) {
2174 				*limit = i;
2175 				return 0;
2176 			}
2177 		}
2178 	} else {
2179 		struct sumo_sclk_voltage_mapping_table *table =
2180 			&pi->sys_info.sclk_voltage_mapping_table;
2181 
2182 		for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2183 			if (pi->high_voltage_t &&
2184 			    (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
2185 			     pi->high_voltage_t)) {
2186 				*limit = i;
2187 				return 0;
2188 			}
2189 		}
2190 	}
2191 
2192 	*limit = 0;
2193 	return 0;
2194 }
2195 
kv_apply_state_adjust_rules(struct amdgpu_device * adev,struct amdgpu_ps * new_rps,struct amdgpu_ps * old_rps)2196 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
2197 					struct amdgpu_ps *new_rps,
2198 					struct amdgpu_ps *old_rps)
2199 {
2200 	struct kv_ps *ps = kv_get_ps(new_rps);
2201 	struct kv_power_info *pi = kv_get_pi(adev);
2202 	u32 min_sclk = 10000; /* ??? */
2203 	u32 sclk, mclk = 0;
2204 	int i, limit;
2205 	bool force_high;
2206 	struct amdgpu_clock_voltage_dependency_table *table =
2207 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2208 	u32 stable_p_state_sclk = 0;
2209 	struct amdgpu_clock_and_voltage_limits *max_limits =
2210 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2211 
2212 	if (new_rps->vce_active) {
2213 		new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
2214 		new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
2215 	} else {
2216 		new_rps->evclk = 0;
2217 		new_rps->ecclk = 0;
2218 	}
2219 
2220 	mclk = max_limits->mclk;
2221 	sclk = min_sclk;
2222 
2223 	if (pi->caps_stable_p_state) {
2224 		stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2225 
2226 		for (i = table->count - 1; i >= 0; i--) {
2227 			if (stable_p_state_sclk >= table->entries[i].clk) {
2228 				stable_p_state_sclk = table->entries[i].clk;
2229 				break;
2230 			}
2231 		}
2232 
2233 		if (i > 0)
2234 			stable_p_state_sclk = table->entries[0].clk;
2235 
2236 		sclk = stable_p_state_sclk;
2237 	}
2238 
2239 	if (new_rps->vce_active) {
2240 		if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
2241 			sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
2242 	}
2243 
2244 	ps->need_dfs_bypass = true;
2245 
2246 	for (i = 0; i < ps->num_levels; i++) {
2247 		if (ps->levels[i].sclk < sclk)
2248 			ps->levels[i].sclk = sclk;
2249 	}
2250 
2251 	if (table && table->count) {
2252 		for (i = 0; i < ps->num_levels; i++) {
2253 			if (pi->high_voltage_t &&
2254 			    (pi->high_voltage_t <
2255 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2256 				kv_get_high_voltage_limit(adev, &limit);
2257 				ps->levels[i].sclk = table->entries[limit].clk;
2258 			}
2259 		}
2260 	} else {
2261 		struct sumo_sclk_voltage_mapping_table *table =
2262 			&pi->sys_info.sclk_voltage_mapping_table;
2263 
2264 		for (i = 0; i < ps->num_levels; i++) {
2265 			if (pi->high_voltage_t &&
2266 			    (pi->high_voltage_t <
2267 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2268 				kv_get_high_voltage_limit(adev, &limit);
2269 				ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2270 			}
2271 		}
2272 	}
2273 
2274 	if (pi->caps_stable_p_state) {
2275 		for (i = 0; i < ps->num_levels; i++) {
2276 			ps->levels[i].sclk = stable_p_state_sclk;
2277 		}
2278 	}
2279 
2280 	pi->video_start = new_rps->dclk || new_rps->vclk ||
2281 		new_rps->evclk || new_rps->ecclk;
2282 
2283 	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2284 	    ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2285 		pi->battery_state = true;
2286 	else
2287 		pi->battery_state = false;
2288 
2289 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2290 		ps->dpm0_pg_nb_ps_lo = 0x1;
2291 		ps->dpm0_pg_nb_ps_hi = 0x0;
2292 		ps->dpmx_nb_ps_lo = 0x1;
2293 		ps->dpmx_nb_ps_hi = 0x0;
2294 	} else {
2295 		ps->dpm0_pg_nb_ps_lo = 0x3;
2296 		ps->dpm0_pg_nb_ps_hi = 0x0;
2297 		ps->dpmx_nb_ps_lo = 0x3;
2298 		ps->dpmx_nb_ps_hi = 0x0;
2299 
2300 		if (pi->sys_info.nb_dpm_enable) {
2301 			force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2302 				pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
2303 				pi->disable_nb_ps3_in_battery;
2304 			ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2305 			ps->dpm0_pg_nb_ps_hi = 0x2;
2306 			ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2307 			ps->dpmx_nb_ps_hi = 0x2;
2308 		}
2309 	}
2310 }
2311 
kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device * adev,u32 index,bool enable)2312 static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
2313 						    u32 index, bool enable)
2314 {
2315 	struct kv_power_info *pi = kv_get_pi(adev);
2316 
2317 	pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2318 }
2319 
kv_calculate_ds_divider(struct amdgpu_device * adev)2320 static int kv_calculate_ds_divider(struct amdgpu_device *adev)
2321 {
2322 	struct kv_power_info *pi = kv_get_pi(adev);
2323 	u32 sclk_in_sr = 10000; /* ??? */
2324 	u32 i;
2325 
2326 	if (pi->lowest_valid > pi->highest_valid)
2327 		return -EINVAL;
2328 
2329 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2330 		pi->graphics_level[i].DeepSleepDivId =
2331 			kv_get_sleep_divider_id_from_clock(adev,
2332 							   be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2333 							   sclk_in_sr);
2334 	}
2335 	return 0;
2336 }
2337 
kv_calculate_nbps_level_settings(struct amdgpu_device * adev)2338 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
2339 {
2340 	struct kv_power_info *pi = kv_get_pi(adev);
2341 	u32 i;
2342 	bool force_high;
2343 	struct amdgpu_clock_and_voltage_limits *max_limits =
2344 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2345 	u32 mclk = max_limits->mclk;
2346 
2347 	if (pi->lowest_valid > pi->highest_valid)
2348 		return -EINVAL;
2349 
2350 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2351 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2352 			pi->graphics_level[i].GnbSlow = 1;
2353 			pi->graphics_level[i].ForceNbPs1 = 0;
2354 			pi->graphics_level[i].UpH = 0;
2355 		}
2356 
2357 		if (!pi->sys_info.nb_dpm_enable)
2358 			return 0;
2359 
2360 		force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2361 			      (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2362 
2363 		if (force_high) {
2364 			for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2365 				pi->graphics_level[i].GnbSlow = 0;
2366 		} else {
2367 			if (pi->battery_state)
2368 				pi->graphics_level[0].ForceNbPs1 = 1;
2369 
2370 			pi->graphics_level[1].GnbSlow = 0;
2371 			pi->graphics_level[2].GnbSlow = 0;
2372 			pi->graphics_level[3].GnbSlow = 0;
2373 			pi->graphics_level[4].GnbSlow = 0;
2374 		}
2375 	} else {
2376 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2377 			pi->graphics_level[i].GnbSlow = 1;
2378 			pi->graphics_level[i].ForceNbPs1 = 0;
2379 			pi->graphics_level[i].UpH = 0;
2380 		}
2381 
2382 		if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2383 			pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2384 			pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2385 			if (pi->lowest_valid != pi->highest_valid)
2386 				pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2387 		}
2388 	}
2389 	return 0;
2390 }
2391 
kv_calculate_dpm_settings(struct amdgpu_device * adev)2392 static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
2393 {
2394 	struct kv_power_info *pi = kv_get_pi(adev);
2395 	u32 i;
2396 
2397 	if (pi->lowest_valid > pi->highest_valid)
2398 		return -EINVAL;
2399 
2400 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2401 		pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2402 
2403 	return 0;
2404 }
2405 
kv_init_graphics_levels(struct amdgpu_device * adev)2406 static void kv_init_graphics_levels(struct amdgpu_device *adev)
2407 {
2408 	struct kv_power_info *pi = kv_get_pi(adev);
2409 	u32 i;
2410 	struct amdgpu_clock_voltage_dependency_table *table =
2411 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2412 
2413 	if (table && table->count) {
2414 		u32 vid_2bit;
2415 
2416 		pi->graphics_dpm_level_count = 0;
2417 		for (i = 0; i < table->count; i++) {
2418 			if (pi->high_voltage_t &&
2419 			    (pi->high_voltage_t <
2420 			     kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
2421 				break;
2422 
2423 			kv_set_divider_value(adev, i, table->entries[i].clk);
2424 			vid_2bit = kv_convert_vid7_to_vid2(adev,
2425 							   &pi->sys_info.vid_mapping_table,
2426 							   table->entries[i].v);
2427 			kv_set_vid(adev, i, vid_2bit);
2428 			kv_set_at(adev, i, pi->at[i]);
2429 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2430 			pi->graphics_dpm_level_count++;
2431 		}
2432 	} else {
2433 		struct sumo_sclk_voltage_mapping_table *table =
2434 			&pi->sys_info.sclk_voltage_mapping_table;
2435 
2436 		pi->graphics_dpm_level_count = 0;
2437 		for (i = 0; i < table->num_max_dpm_entries; i++) {
2438 			if (pi->high_voltage_t &&
2439 			    pi->high_voltage_t <
2440 			    kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
2441 				break;
2442 
2443 			kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
2444 			kv_set_vid(adev, i, table->entries[i].vid_2bit);
2445 			kv_set_at(adev, i, pi->at[i]);
2446 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2447 			pi->graphics_dpm_level_count++;
2448 		}
2449 	}
2450 
2451 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2452 		kv_dpm_power_level_enable(adev, i, false);
2453 }
2454 
kv_enable_new_levels(struct amdgpu_device * adev)2455 static void kv_enable_new_levels(struct amdgpu_device *adev)
2456 {
2457 	struct kv_power_info *pi = kv_get_pi(adev);
2458 	u32 i;
2459 
2460 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2461 		if (i >= pi->lowest_valid && i <= pi->highest_valid)
2462 			kv_dpm_power_level_enable(adev, i, true);
2463 	}
2464 }
2465 
kv_set_enabled_level(struct amdgpu_device * adev,u32 level)2466 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
2467 {
2468 	u32 new_mask = (1 << level);
2469 
2470 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2471 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2472 						 new_mask);
2473 }
2474 
kv_set_enabled_levels(struct amdgpu_device * adev)2475 static int kv_set_enabled_levels(struct amdgpu_device *adev)
2476 {
2477 	struct kv_power_info *pi = kv_get_pi(adev);
2478 	u32 i, new_mask = 0;
2479 
2480 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2481 		new_mask |= (1 << i);
2482 
2483 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2484 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2485 						 new_mask);
2486 }
2487 
kv_program_nbps_index_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)2488 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
2489 					   struct amdgpu_ps *new_rps)
2490 {
2491 	struct kv_ps *new_ps = kv_get_ps(new_rps);
2492 	struct kv_power_info *pi = kv_get_pi(adev);
2493 	u32 nbdpmconfig1;
2494 
2495 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2496 		return;
2497 
2498 	if (pi->sys_info.nb_dpm_enable) {
2499 		nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
2500 		nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
2501 				NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
2502 				NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
2503 				NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
2504 		nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
2505 				(new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
2506 				(new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
2507 				(new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
2508 		WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
2509 	}
2510 }
2511 
kv_set_thermal_temperature_range(struct amdgpu_device * adev,int min_temp,int max_temp)2512 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
2513 					    int min_temp, int max_temp)
2514 {
2515 	int low_temp = 0 * 1000;
2516 	int high_temp = 255 * 1000;
2517 	u32 tmp;
2518 
2519 	if (low_temp < min_temp)
2520 		low_temp = min_temp;
2521 	if (high_temp > max_temp)
2522 		high_temp = max_temp;
2523 	if (high_temp < low_temp) {
2524 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2525 		return -EINVAL;
2526 	}
2527 
2528 	tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
2529 	tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
2530 		CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
2531 	tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
2532 		((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
2533 	WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);
2534 
2535 	adev->pm.dpm.thermal.min_temp = low_temp;
2536 	adev->pm.dpm.thermal.max_temp = high_temp;
2537 
2538 	return 0;
2539 }
2540 
2541 union igp_info {
2542 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2543 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2544 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2545 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2546 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2547 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2548 };
2549 
kv_parse_sys_info_table(struct amdgpu_device * adev)2550 static int kv_parse_sys_info_table(struct amdgpu_device *adev)
2551 {
2552 	struct kv_power_info *pi = kv_get_pi(adev);
2553 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2554 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2555 	union igp_info *igp_info;
2556 	u8 frev, crev;
2557 	u16 data_offset;
2558 	int i;
2559 
2560 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2561 				   &frev, &crev, &data_offset)) {
2562 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
2563 					      data_offset);
2564 
2565 		if (crev != 8) {
2566 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2567 			return -EINVAL;
2568 		}
2569 		pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2570 		pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2571 		pi->sys_info.bootup_nb_voltage_index =
2572 			le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2573 		if (igp_info->info_8.ucHtcTmpLmt == 0)
2574 			pi->sys_info.htc_tmp_lmt = 203;
2575 		else
2576 			pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2577 		if (igp_info->info_8.ucHtcHystLmt == 0)
2578 			pi->sys_info.htc_hyst_lmt = 5;
2579 		else
2580 			pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2581 		if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2582 			DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2583 		}
2584 
2585 		if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2586 			pi->sys_info.nb_dpm_enable = true;
2587 		else
2588 			pi->sys_info.nb_dpm_enable = false;
2589 
2590 		for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2591 			pi->sys_info.nbp_memory_clock[i] =
2592 				le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2593 			pi->sys_info.nbp_n_clock[i] =
2594 				le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2595 		}
2596 		if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2597 		    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2598 			pi->caps_enable_dfs_bypass = true;
2599 
2600 		sumo_construct_sclk_voltage_mapping_table(adev,
2601 							  &pi->sys_info.sclk_voltage_mapping_table,
2602 							  igp_info->info_8.sAvail_SCLK);
2603 
2604 		sumo_construct_vid_mapping_table(adev,
2605 						 &pi->sys_info.vid_mapping_table,
2606 						 igp_info->info_8.sAvail_SCLK);
2607 
2608 		kv_construct_max_power_limits_table(adev,
2609 						    &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2610 	}
2611 	return 0;
2612 }
2613 
2614 union power_info {
2615 	struct _ATOM_POWERPLAY_INFO info;
2616 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2617 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2618 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2619 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2620 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2621 };
2622 
2623 union pplib_clock_info {
2624 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2625 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2626 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2627 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2628 };
2629 
2630 union pplib_power_state {
2631 	struct _ATOM_PPLIB_STATE v1;
2632 	struct _ATOM_PPLIB_STATE_V2 v2;
2633 };
2634 
kv_patch_boot_state(struct amdgpu_device * adev,struct kv_ps * ps)2635 static void kv_patch_boot_state(struct amdgpu_device *adev,
2636 				struct kv_ps *ps)
2637 {
2638 	struct kv_power_info *pi = kv_get_pi(adev);
2639 
2640 	ps->num_levels = 1;
2641 	ps->levels[0] = pi->boot_pl;
2642 }
2643 
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)2644 static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev,
2645 					  struct amdgpu_ps *rps,
2646 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2647 					  u8 table_rev)
2648 {
2649 	struct kv_ps *ps = kv_get_ps(rps);
2650 
2651 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2652 	rps->class = le16_to_cpu(non_clock_info->usClassification);
2653 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2654 
2655 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2656 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2657 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2658 	} else {
2659 		rps->vclk = 0;
2660 		rps->dclk = 0;
2661 	}
2662 
2663 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2664 		adev->pm.dpm.boot_ps = rps;
2665 		kv_patch_boot_state(adev, ps);
2666 	}
2667 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2668 		adev->pm.dpm.uvd_ps = rps;
2669 }
2670 
kv_parse_pplib_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,int index,union pplib_clock_info * clock_info)2671 static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
2672 				      struct amdgpu_ps *rps, int index,
2673 					union pplib_clock_info *clock_info)
2674 {
2675 	struct kv_power_info *pi = kv_get_pi(adev);
2676 	struct kv_ps *ps = kv_get_ps(rps);
2677 	struct kv_pl *pl = &ps->levels[index];
2678 	u32 sclk;
2679 
2680 	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2681 	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2682 	pl->sclk = sclk;
2683 	pl->vddc_index = clock_info->sumo.vddcIndex;
2684 
2685 	ps->num_levels = index + 1;
2686 
2687 	if (pi->caps_sclk_ds) {
2688 		pl->ds_divider_index = 5;
2689 		pl->ss_divider_index = 5;
2690 	}
2691 }
2692 
kv_parse_power_table(struct amdgpu_device * adev)2693 static int kv_parse_power_table(struct amdgpu_device *adev)
2694 {
2695 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2696 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2697 	union pplib_power_state *power_state;
2698 	int i, j, k, non_clock_array_index, clock_array_index;
2699 	union pplib_clock_info *clock_info;
2700 	struct _StateArray *state_array;
2701 	struct _ClockInfoArray *clock_info_array;
2702 	struct _NonClockInfoArray *non_clock_info_array;
2703 	union power_info *power_info;
2704 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2705 	u16 data_offset;
2706 	u8 frev, crev;
2707 	u8 *power_state_offset;
2708 	struct kv_ps *ps;
2709 
2710 	if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2711 				   &frev, &crev, &data_offset))
2712 		return -EINVAL;
2713 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2714 
2715 	amdgpu_add_thermal_controller(adev);
2716 
2717 	state_array = (struct _StateArray *)
2718 		(mode_info->atom_context->bios + data_offset +
2719 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2720 	clock_info_array = (struct _ClockInfoArray *)
2721 		(mode_info->atom_context->bios + data_offset +
2722 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2723 	non_clock_info_array = (struct _NonClockInfoArray *)
2724 		(mode_info->atom_context->bios + data_offset +
2725 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2726 
2727 	adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
2728 				  sizeof(struct amdgpu_ps),
2729 				  GFP_KERNEL);
2730 	if (!adev->pm.dpm.ps)
2731 		return -ENOMEM;
2732 	power_state_offset = (u8 *)state_array->states;
2733 	for (i = 0; i < state_array->ucNumEntries; i++) {
2734 		u8 *idx;
2735 		power_state = (union pplib_power_state *)power_state_offset;
2736 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2737 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2738 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2739 		ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2740 		if (ps == NULL)
2741 			return -ENOMEM;
2742 		adev->pm.dpm.ps[i].ps_priv = ps;
2743 		k = 0;
2744 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2745 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2746 			clock_array_index = idx[j];
2747 			if (clock_array_index >= clock_info_array->ucNumEntries)
2748 				continue;
2749 			if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2750 				break;
2751 			clock_info = (union pplib_clock_info *)
2752 				((u8 *)&clock_info_array->clockInfo[0] +
2753 				 (clock_array_index * clock_info_array->ucEntrySize));
2754 			kv_parse_pplib_clock_info(adev,
2755 						  &adev->pm.dpm.ps[i], k,
2756 						  clock_info);
2757 			k++;
2758 		}
2759 		kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
2760 					      non_clock_info,
2761 					      non_clock_info_array->ucEntrySize);
2762 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2763 	}
2764 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
2765 
2766 	/* fill in the vce power states */
2767 	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
2768 		u32 sclk;
2769 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
2770 		clock_info = (union pplib_clock_info *)
2771 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2772 		sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2773 		sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2774 		adev->pm.dpm.vce_states[i].sclk = sclk;
2775 		adev->pm.dpm.vce_states[i].mclk = 0;
2776 	}
2777 
2778 	return 0;
2779 }
2780 
kv_dpm_init(struct amdgpu_device * adev)2781 static int kv_dpm_init(struct amdgpu_device *adev)
2782 {
2783 	struct kv_power_info *pi;
2784 	int ret, i;
2785 
2786 	pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2787 	if (pi == NULL)
2788 		return -ENOMEM;
2789 	adev->pm.dpm.priv = pi;
2790 
2791 	ret = amdgpu_get_platform_caps(adev);
2792 	if (ret)
2793 		return ret;
2794 
2795 	ret = amdgpu_parse_extended_power_table(adev);
2796 	if (ret)
2797 		return ret;
2798 
2799 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2800 		pi->at[i] = TRINITY_AT_DFLT;
2801 
2802 	pi->sram_end = SMC_RAM_END;
2803 
2804 	pi->enable_nb_dpm = true;
2805 
2806 	pi->caps_power_containment = true;
2807 	pi->caps_cac = true;
2808 	pi->enable_didt = false;
2809 	if (pi->enable_didt) {
2810 		pi->caps_sq_ramping = true;
2811 		pi->caps_db_ramping = true;
2812 		pi->caps_td_ramping = true;
2813 		pi->caps_tcp_ramping = true;
2814 	}
2815 
2816 	if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
2817 		pi->caps_sclk_ds = true;
2818 	else
2819 		pi->caps_sclk_ds = false;
2820 
2821 	pi->enable_auto_thermal_throttling = true;
2822 	pi->disable_nb_ps3_in_battery = false;
2823 	if (amdgpu_bapm == 0)
2824 		pi->bapm_enable = false;
2825 	else
2826 		pi->bapm_enable = true;
2827 	pi->voltage_drop_t = 0;
2828 	pi->caps_sclk_throttle_low_notification = false;
2829 	pi->caps_fps = false; /* true? */
2830 	pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false;
2831 	pi->caps_uvd_dpm = true;
2832 	pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false;
2833 	pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false;
2834 	pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false;
2835 	pi->caps_stable_p_state = false;
2836 
2837 	ret = kv_parse_sys_info_table(adev);
2838 	if (ret)
2839 		return ret;
2840 
2841 	kv_patch_voltage_values(adev);
2842 	kv_construct_boot_state(adev);
2843 
2844 	ret = kv_parse_power_table(adev);
2845 	if (ret)
2846 		return ret;
2847 
2848 	pi->enable_dpm = true;
2849 
2850 	return 0;
2851 }
2852 
2853 static void
kv_dpm_debugfs_print_current_performance_level(void * handle,struct seq_file * m)2854 kv_dpm_debugfs_print_current_performance_level(void *handle,
2855 					       struct seq_file *m)
2856 {
2857 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2858 	struct kv_power_info *pi = kv_get_pi(adev);
2859 	u32 current_index =
2860 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
2861 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
2862 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
2863 	u32 sclk, tmp;
2864 	u16 vddc;
2865 
2866 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2867 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2868 	} else {
2869 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2870 		tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
2871 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2872 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
2873 		vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
2874 		seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2875 		seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2876 		seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2877 			   current_index, sclk, vddc);
2878 	}
2879 }
2880 
2881 static void
kv_dpm_print_power_state(void * handle,void * request_ps)2882 kv_dpm_print_power_state(void *handle, void *request_ps)
2883 {
2884 	int i;
2885 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
2886 	struct kv_ps *ps = kv_get_ps(rps);
2887 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2888 
2889 	amdgpu_dpm_print_class_info(rps->class, rps->class2);
2890 	amdgpu_dpm_print_cap_info(rps->caps);
2891 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2892 	for (i = 0; i < ps->num_levels; i++) {
2893 		struct kv_pl *pl = &ps->levels[i];
2894 		printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2895 		       i, pl->sclk,
2896 		       kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
2897 	}
2898 	amdgpu_dpm_print_ps_status(adev, rps);
2899 }
2900 
kv_dpm_fini(struct amdgpu_device * adev)2901 static void kv_dpm_fini(struct amdgpu_device *adev)
2902 {
2903 	int i;
2904 
2905 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2906 		kfree(adev->pm.dpm.ps[i].ps_priv);
2907 	}
2908 	kfree(adev->pm.dpm.ps);
2909 	kfree(adev->pm.dpm.priv);
2910 	amdgpu_free_extended_power_table(adev);
2911 }
2912 
kv_dpm_display_configuration_changed(void * handle)2913 static void kv_dpm_display_configuration_changed(void *handle)
2914 {
2915 
2916 }
2917 
kv_dpm_get_sclk(void * handle,bool low)2918 static u32 kv_dpm_get_sclk(void *handle, bool low)
2919 {
2920 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2921 	struct kv_power_info *pi = kv_get_pi(adev);
2922 	struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2923 
2924 	if (low)
2925 		return requested_state->levels[0].sclk;
2926 	else
2927 		return requested_state->levels[requested_state->num_levels - 1].sclk;
2928 }
2929 
kv_dpm_get_mclk(void * handle,bool low)2930 static u32 kv_dpm_get_mclk(void *handle, bool low)
2931 {
2932 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2933 	struct kv_power_info *pi = kv_get_pi(adev);
2934 
2935 	return pi->sys_info.bootup_uma_clk;
2936 }
2937 
2938 /* get temperature in millidegrees */
kv_dpm_get_temp(void * handle)2939 static int kv_dpm_get_temp(void *handle)
2940 {
2941 	u32 temp;
2942 	int actual_temp = 0;
2943 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2944 
2945 	temp = RREG32_SMC(0xC0300E0C);
2946 
2947 	if (temp)
2948 		actual_temp = (temp / 8) - 49;
2949 	else
2950 		actual_temp = 0;
2951 
2952 	actual_temp = actual_temp * 1000;
2953 
2954 	return actual_temp;
2955 }
2956 
kv_dpm_early_init(void * handle)2957 static int kv_dpm_early_init(void *handle)
2958 {
2959 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2960 
2961 	adev->powerplay.pp_funcs = &kv_dpm_funcs;
2962 	adev->powerplay.pp_handle = adev;
2963 	kv_dpm_set_irq_funcs(adev);
2964 
2965 	return 0;
2966 }
2967 
kv_dpm_late_init(void * handle)2968 static int kv_dpm_late_init(void *handle)
2969 {
2970 	/* powerdown unused blocks for now */
2971 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2972 
2973 	if (!adev->pm.dpm_enabled)
2974 		return 0;
2975 
2976 	kv_dpm_powergate_acp(adev, true);
2977 	kv_dpm_powergate_samu(adev, true);
2978 
2979 	return 0;
2980 }
2981 
kv_dpm_sw_init(void * handle)2982 static int kv_dpm_sw_init(void *handle)
2983 {
2984 	int ret;
2985 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2986 
2987 	ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 230,
2988 				&adev->pm.dpm.thermal.irq);
2989 	if (ret)
2990 		return ret;
2991 
2992 	ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 231,
2993 				&adev->pm.dpm.thermal.irq);
2994 	if (ret)
2995 		return ret;
2996 
2997 	/* default to balanced state */
2998 	adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
2999 	adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
3000 	adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO;
3001 	adev->pm.default_sclk = adev->clock.default_sclk;
3002 	adev->pm.default_mclk = adev->clock.default_mclk;
3003 	adev->pm.current_sclk = adev->clock.default_sclk;
3004 	adev->pm.current_mclk = adev->clock.default_mclk;
3005 	adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
3006 
3007 	if (amdgpu_dpm == 0)
3008 		return 0;
3009 
3010 	INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
3011 	ret = kv_dpm_init(adev);
3012 	if (ret)
3013 		goto dpm_failed;
3014 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3015 	if (amdgpu_dpm == 1)
3016 		amdgpu_pm_print_power_states(adev);
3017 	DRM_INFO("amdgpu: dpm initialized\n");
3018 
3019 	return 0;
3020 
3021 dpm_failed:
3022 	kv_dpm_fini(adev);
3023 	DRM_ERROR("amdgpu: dpm initialization failed\n");
3024 	return ret;
3025 }
3026 
kv_dpm_sw_fini(void * handle)3027 static int kv_dpm_sw_fini(void *handle)
3028 {
3029 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3030 
3031 	flush_work(&adev->pm.dpm.thermal.work);
3032 
3033 	kv_dpm_fini(adev);
3034 
3035 	return 0;
3036 }
3037 
kv_dpm_hw_init(void * handle)3038 static int kv_dpm_hw_init(void *handle)
3039 {
3040 	int ret;
3041 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3042 
3043 	if (!amdgpu_dpm)
3044 		return 0;
3045 
3046 	kv_dpm_setup_asic(adev);
3047 	ret = kv_dpm_enable(adev);
3048 	if (ret)
3049 		adev->pm.dpm_enabled = false;
3050 	else
3051 		adev->pm.dpm_enabled = true;
3052 	amdgpu_legacy_dpm_compute_clocks(adev);
3053 	return ret;
3054 }
3055 
kv_dpm_hw_fini(void * handle)3056 static int kv_dpm_hw_fini(void *handle)
3057 {
3058 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3059 
3060 	if (adev->pm.dpm_enabled)
3061 		kv_dpm_disable(adev);
3062 
3063 	return 0;
3064 }
3065 
kv_dpm_suspend(void * handle)3066 static int kv_dpm_suspend(void *handle)
3067 {
3068 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3069 
3070 	if (adev->pm.dpm_enabled) {
3071 		/* disable dpm */
3072 		kv_dpm_disable(adev);
3073 		/* reset the power state */
3074 		adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3075 	}
3076 	return 0;
3077 }
3078 
kv_dpm_resume(void * handle)3079 static int kv_dpm_resume(void *handle)
3080 {
3081 	int ret;
3082 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3083 
3084 	if (adev->pm.dpm_enabled) {
3085 		/* asic init will reset to the boot state */
3086 		kv_dpm_setup_asic(adev);
3087 		ret = kv_dpm_enable(adev);
3088 		if (ret)
3089 			adev->pm.dpm_enabled = false;
3090 		else
3091 			adev->pm.dpm_enabled = true;
3092 		if (adev->pm.dpm_enabled)
3093 			amdgpu_legacy_dpm_compute_clocks(adev);
3094 	}
3095 	return 0;
3096 }
3097 
kv_dpm_is_idle(void * handle)3098 static bool kv_dpm_is_idle(void *handle)
3099 {
3100 	return true;
3101 }
3102 
kv_dpm_wait_for_idle(void * handle)3103 static int kv_dpm_wait_for_idle(void *handle)
3104 {
3105 	return 0;
3106 }
3107 
3108 
kv_dpm_soft_reset(void * handle)3109 static int kv_dpm_soft_reset(void *handle)
3110 {
3111 	return 0;
3112 }
3113 
kv_dpm_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3114 static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev,
3115 				      struct amdgpu_irq_src *src,
3116 				      unsigned type,
3117 				      enum amdgpu_interrupt_state state)
3118 {
3119 	u32 cg_thermal_int;
3120 
3121 	switch (type) {
3122 	case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
3123 		switch (state) {
3124 		case AMDGPU_IRQ_STATE_DISABLE:
3125 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3126 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3127 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3128 			break;
3129 		case AMDGPU_IRQ_STATE_ENABLE:
3130 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3131 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3132 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3133 			break;
3134 		default:
3135 			break;
3136 		}
3137 		break;
3138 
3139 	case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
3140 		switch (state) {
3141 		case AMDGPU_IRQ_STATE_DISABLE:
3142 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3143 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3144 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3145 			break;
3146 		case AMDGPU_IRQ_STATE_ENABLE:
3147 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3148 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3149 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3150 			break;
3151 		default:
3152 			break;
3153 		}
3154 		break;
3155 
3156 	default:
3157 		break;
3158 	}
3159 	return 0;
3160 }
3161 
kv_dpm_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3162 static int kv_dpm_process_interrupt(struct amdgpu_device *adev,
3163 				    struct amdgpu_irq_src *source,
3164 				    struct amdgpu_iv_entry *entry)
3165 {
3166 	bool queue_thermal = false;
3167 
3168 	if (entry == NULL)
3169 		return -EINVAL;
3170 
3171 	switch (entry->src_id) {
3172 	case 230: /* thermal low to high */
3173 		DRM_DEBUG("IH: thermal low to high\n");
3174 		adev->pm.dpm.thermal.high_to_low = false;
3175 		queue_thermal = true;
3176 		break;
3177 	case 231: /* thermal high to low */
3178 		DRM_DEBUG("IH: thermal high to low\n");
3179 		adev->pm.dpm.thermal.high_to_low = true;
3180 		queue_thermal = true;
3181 		break;
3182 	default:
3183 		break;
3184 	}
3185 
3186 	if (queue_thermal)
3187 		schedule_work(&adev->pm.dpm.thermal.work);
3188 
3189 	return 0;
3190 }
3191 
kv_dpm_set_clockgating_state(void * handle,enum amd_clockgating_state state)3192 static int kv_dpm_set_clockgating_state(void *handle,
3193 					  enum amd_clockgating_state state)
3194 {
3195 	return 0;
3196 }
3197 
kv_dpm_set_powergating_state(void * handle,enum amd_powergating_state state)3198 static int kv_dpm_set_powergating_state(void *handle,
3199 					  enum amd_powergating_state state)
3200 {
3201 	return 0;
3202 }
3203 
kv_are_power_levels_equal(const struct kv_pl * kv_cpl1,const struct kv_pl * kv_cpl2)3204 static inline bool kv_are_power_levels_equal(const struct kv_pl *kv_cpl1,
3205 						const struct kv_pl *kv_cpl2)
3206 {
3207 	return ((kv_cpl1->sclk == kv_cpl2->sclk) &&
3208 		  (kv_cpl1->vddc_index == kv_cpl2->vddc_index) &&
3209 		  (kv_cpl1->ds_divider_index == kv_cpl2->ds_divider_index) &&
3210 		  (kv_cpl1->force_nbp_state == kv_cpl2->force_nbp_state));
3211 }
3212 
kv_check_state_equal(void * handle,void * current_ps,void * request_ps,bool * equal)3213 static int kv_check_state_equal(void *handle,
3214 				void *current_ps,
3215 				void *request_ps,
3216 				bool *equal)
3217 {
3218 	struct kv_ps *kv_cps;
3219 	struct kv_ps *kv_rps;
3220 	int i;
3221 	struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps;
3222 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
3223 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3224 
3225 	if (adev == NULL || cps == NULL || rps == NULL || equal == NULL)
3226 		return -EINVAL;
3227 
3228 	kv_cps = kv_get_ps(cps);
3229 	kv_rps = kv_get_ps(rps);
3230 
3231 	if (kv_cps == NULL) {
3232 		*equal = false;
3233 		return 0;
3234 	}
3235 
3236 	if (kv_cps->num_levels != kv_rps->num_levels) {
3237 		*equal = false;
3238 		return 0;
3239 	}
3240 
3241 	for (i = 0; i < kv_cps->num_levels; i++) {
3242 		if (!kv_are_power_levels_equal(&(kv_cps->levels[i]),
3243 					&(kv_rps->levels[i]))) {
3244 			*equal = false;
3245 			return 0;
3246 		}
3247 	}
3248 
3249 	/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
3250 	*equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk));
3251 	*equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk));
3252 
3253 	return 0;
3254 }
3255 
kv_dpm_read_sensor(void * handle,int idx,void * value,int * size)3256 static int kv_dpm_read_sensor(void *handle, int idx,
3257 			      void *value, int *size)
3258 {
3259 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3260 	struct kv_power_info *pi = kv_get_pi(adev);
3261 	uint32_t sclk;
3262 	u32 pl_index =
3263 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
3264 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
3265 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
3266 
3267 	/* size must be at least 4 bytes for all sensors */
3268 	if (*size < 4)
3269 		return -EINVAL;
3270 
3271 	switch (idx) {
3272 	case AMDGPU_PP_SENSOR_GFX_SCLK:
3273 		if (pl_index < SMU__NUM_SCLK_DPM_STATE) {
3274 			sclk = be32_to_cpu(
3275 				pi->graphics_level[pl_index].SclkFrequency);
3276 			*((uint32_t *)value) = sclk;
3277 			*size = 4;
3278 			return 0;
3279 		}
3280 		return -EINVAL;
3281 	case AMDGPU_PP_SENSOR_GPU_TEMP:
3282 		*((uint32_t *)value) = kv_dpm_get_temp(adev);
3283 		*size = 4;
3284 		return 0;
3285 	default:
3286 		return -EOPNOTSUPP;
3287 	}
3288 }
3289 
kv_set_powergating_by_smu(void * handle,uint32_t block_type,bool gate)3290 static int kv_set_powergating_by_smu(void *handle,
3291 				uint32_t block_type, bool gate)
3292 {
3293 	switch (block_type) {
3294 	case AMD_IP_BLOCK_TYPE_UVD:
3295 		kv_dpm_powergate_uvd(handle, gate);
3296 		break;
3297 	case AMD_IP_BLOCK_TYPE_VCE:
3298 		kv_dpm_powergate_vce(handle, gate);
3299 		break;
3300 	default:
3301 		break;
3302 	}
3303 	return 0;
3304 }
3305 
3306 static const struct amd_ip_funcs kv_dpm_ip_funcs = {
3307 	.name = "kv_dpm",
3308 	.early_init = kv_dpm_early_init,
3309 	.late_init = kv_dpm_late_init,
3310 	.sw_init = kv_dpm_sw_init,
3311 	.sw_fini = kv_dpm_sw_fini,
3312 	.hw_init = kv_dpm_hw_init,
3313 	.hw_fini = kv_dpm_hw_fini,
3314 	.suspend = kv_dpm_suspend,
3315 	.resume = kv_dpm_resume,
3316 	.is_idle = kv_dpm_is_idle,
3317 	.wait_for_idle = kv_dpm_wait_for_idle,
3318 	.soft_reset = kv_dpm_soft_reset,
3319 	.set_clockgating_state = kv_dpm_set_clockgating_state,
3320 	.set_powergating_state = kv_dpm_set_powergating_state,
3321 };
3322 
3323 const struct amdgpu_ip_block_version kv_smu_ip_block = {
3324 	.type = AMD_IP_BLOCK_TYPE_SMC,
3325 	.major = 1,
3326 	.minor = 0,
3327 	.rev = 0,
3328 	.funcs = &kv_dpm_ip_funcs,
3329 };
3330 
3331 static const struct amd_pm_funcs kv_dpm_funcs = {
3332 	.pre_set_power_state = &kv_dpm_pre_set_power_state,
3333 	.set_power_state = &kv_dpm_set_power_state,
3334 	.post_set_power_state = &kv_dpm_post_set_power_state,
3335 	.display_configuration_changed = &kv_dpm_display_configuration_changed,
3336 	.get_sclk = &kv_dpm_get_sclk,
3337 	.get_mclk = &kv_dpm_get_mclk,
3338 	.print_power_state = &kv_dpm_print_power_state,
3339 	.debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
3340 	.force_performance_level = &kv_dpm_force_performance_level,
3341 	.set_powergating_by_smu = kv_set_powergating_by_smu,
3342 	.enable_bapm = &kv_dpm_enable_bapm,
3343 	.get_vce_clock_state = amdgpu_get_vce_clock_state,
3344 	.check_state_equal = kv_check_state_equal,
3345 	.read_sensor = &kv_dpm_read_sensor,
3346 	.pm_compute_clocks = amdgpu_legacy_dpm_compute_clocks,
3347 };
3348 
3349 static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
3350 	.set = kv_dpm_set_interrupt_state,
3351 	.process = kv_dpm_process_interrupt,
3352 };
3353 
kv_dpm_set_irq_funcs(struct amdgpu_device * adev)3354 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev)
3355 {
3356 	adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
3357 	adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs;
3358 }
3359