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 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
168 				table[i].usVoltageID;
169 			vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
170 				table[i].usVoltageIndex;
171 		}
172 	}
173 
174 	for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
175 		if (vid_mapping_table->entries[i].vid_7bit == 0) {
176 			for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
177 				if (vid_mapping_table->entries[j].vid_7bit != 0) {
178 					vid_mapping_table->entries[i] =
179 						vid_mapping_table->entries[j];
180 					vid_mapping_table->entries[j].vid_7bit = 0;
181 					break;
182 				}
183 			}
184 
185 			if (j == SUMO_MAX_NUMBER_VOLTAGES)
186 				break;
187 		}
188 	}
189 
190 	vid_mapping_table->num_entries = i;
191 }
192 
193 #if 0
194 static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] = {
195 	{  0,       4,        1    },
196 	{  1,       4,        1    },
197 	{  2,       5,        1    },
198 	{  3,       4,        2    },
199 	{  4,       1,        1    },
200 	{  5,       5,        2    },
201 	{  6,       6,        1    },
202 	{  7,       9,        2    },
203 	{ 0xffffffff }
204 };
205 
206 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] = {
207 	{  0,       4,        1    },
208 	{ 0xffffffff }
209 };
210 
211 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] = {
212 	{  0,       4,        1    },
213 	{ 0xffffffff }
214 };
215 
216 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] = {
217 	{  0,       4,        1    },
218 	{ 0xffffffff }
219 };
220 
221 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] = {
222 	{  0,       4,        1    },
223 	{ 0xffffffff }
224 };
225 
226 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] = {
227 	{  0,       4,        1    },
228 	{  1,       4,        1    },
229 	{  2,       5,        1    },
230 	{  3,       4,        1    },
231 	{  4,       1,        1    },
232 	{  5,       5,        1    },
233 	{  6,       6,        1    },
234 	{  7,       9,        1    },
235 	{  8,       4,        1    },
236 	{  9,       2,        1    },
237 	{  10,      3,        1    },
238 	{  11,      6,        1    },
239 	{  12,      8,        2    },
240 	{  13,      1,        1    },
241 	{  14,      2,        1    },
242 	{  15,      3,        1    },
243 	{  16,      1,        1    },
244 	{  17,      4,        1    },
245 	{  18,      3,        1    },
246 	{  19,      1,        1    },
247 	{  20,      8,        1    },
248 	{  21,      5,        1    },
249 	{  22,      1,        1    },
250 	{  23,      1,        1    },
251 	{  24,      4,        1    },
252 	{  27,      6,        1    },
253 	{  28,      1,        1    },
254 	{ 0xffffffff }
255 };
256 
257 static const struct kv_lcac_config_reg sx0_cac_config_reg[] = {
258 	{ 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
259 };
260 
261 static const struct kv_lcac_config_reg mc0_cac_config_reg[] = {
262 	{ 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
263 };
264 
265 static const struct kv_lcac_config_reg mc1_cac_config_reg[] = {
266 	{ 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
267 };
268 
269 static const struct kv_lcac_config_reg mc2_cac_config_reg[] = {
270 	{ 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
271 };
272 
273 static const struct kv_lcac_config_reg mc3_cac_config_reg[] = {
274 	{ 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
275 };
276 
277 static const struct kv_lcac_config_reg cpl_cac_config_reg[] = {
278 	{ 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
279 };
280 #endif
281 
282 static const struct kv_pt_config_reg didt_config_kv[] = {
283 	{ 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
284 	{ 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
285 	{ 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
286 	{ 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
287 	{ 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
288 	{ 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
289 	{ 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
290 	{ 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
291 	{ 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
292 	{ 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
293 	{ 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
294 	{ 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
295 	{ 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
296 	{ 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
297 	{ 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
298 	{ 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
299 	{ 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
300 	{ 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
301 	{ 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
302 	{ 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
303 	{ 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
304 	{ 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
305 	{ 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
306 	{ 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
307 	{ 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
308 	{ 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
309 	{ 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
310 	{ 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
311 	{ 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
312 	{ 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
313 	{ 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
314 	{ 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
315 	{ 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
316 	{ 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
317 	{ 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
318 	{ 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
319 	{ 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
320 	{ 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
321 	{ 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
322 	{ 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
323 	{ 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
324 	{ 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
325 	{ 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
326 	{ 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
327 	{ 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
328 	{ 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
329 	{ 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
330 	{ 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
331 	{ 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
332 	{ 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
333 	{ 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
334 	{ 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
335 	{ 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
336 	{ 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
337 	{ 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
338 	{ 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
339 	{ 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
340 	{ 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
341 	{ 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
342 	{ 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
343 	{ 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
344 	{ 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
345 	{ 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
346 	{ 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
347 	{ 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
348 	{ 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
349 	{ 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
350 	{ 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
351 	{ 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
352 	{ 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
353 	{ 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
354 	{ 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
355 	{ 0xFFFFFFFF }
356 };
357 
kv_get_ps(struct amdgpu_ps * rps)358 static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
359 {
360 	struct kv_ps *ps = rps->ps_priv;
361 
362 	return ps;
363 }
364 
kv_get_pi(struct amdgpu_device * adev)365 static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
366 {
367 	struct kv_power_info *pi = adev->pm.dpm.priv;
368 
369 	return pi;
370 }
371 
372 #if 0
373 static void kv_program_local_cac_table(struct amdgpu_device *adev,
374 				       const struct kv_lcac_config_values *local_cac_table,
375 				       const struct kv_lcac_config_reg *local_cac_reg)
376 {
377 	u32 i, count, data;
378 	const struct kv_lcac_config_values *values = local_cac_table;
379 
380 	while (values->block_id != 0xffffffff) {
381 		count = values->signal_id;
382 		for (i = 0; i < count; i++) {
383 			data = ((values->block_id << local_cac_reg->block_shift) &
384 				local_cac_reg->block_mask);
385 			data |= ((i << local_cac_reg->signal_shift) &
386 				 local_cac_reg->signal_mask);
387 			data |= ((values->t << local_cac_reg->t_shift) &
388 				 local_cac_reg->t_mask);
389 			data |= ((1 << local_cac_reg->enable_shift) &
390 				 local_cac_reg->enable_mask);
391 			WREG32_SMC(local_cac_reg->cntl, data);
392 		}
393 		values++;
394 	}
395 }
396 #endif
397 
kv_program_pt_config_registers(struct amdgpu_device * adev,const struct kv_pt_config_reg * cac_config_regs)398 static int kv_program_pt_config_registers(struct amdgpu_device *adev,
399 					  const struct kv_pt_config_reg *cac_config_regs)
400 {
401 	const struct kv_pt_config_reg *config_regs = cac_config_regs;
402 	u32 data;
403 	u32 cache = 0;
404 
405 	if (config_regs == NULL)
406 		return -EINVAL;
407 
408 	while (config_regs->offset != 0xFFFFFFFF) {
409 		if (config_regs->type == KV_CONFIGREG_CACHE) {
410 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
411 		} else {
412 			switch (config_regs->type) {
413 			case KV_CONFIGREG_SMC_IND:
414 				data = RREG32_SMC(config_regs->offset);
415 				break;
416 			case KV_CONFIGREG_DIDT_IND:
417 				data = RREG32_DIDT(config_regs->offset);
418 				break;
419 			default:
420 				data = RREG32(config_regs->offset);
421 				break;
422 			}
423 
424 			data &= ~config_regs->mask;
425 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
426 			data |= cache;
427 			cache = 0;
428 
429 			switch (config_regs->type) {
430 			case KV_CONFIGREG_SMC_IND:
431 				WREG32_SMC(config_regs->offset, data);
432 				break;
433 			case KV_CONFIGREG_DIDT_IND:
434 				WREG32_DIDT(config_regs->offset, data);
435 				break;
436 			default:
437 				WREG32(config_regs->offset, data);
438 				break;
439 			}
440 		}
441 		config_regs++;
442 	}
443 
444 	return 0;
445 }
446 
kv_do_enable_didt(struct amdgpu_device * adev,bool enable)447 static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
448 {
449 	struct kv_power_info *pi = kv_get_pi(adev);
450 	u32 data;
451 
452 	if (pi->caps_sq_ramping) {
453 		data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
454 		if (enable)
455 			data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
456 		else
457 			data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
458 		WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
459 	}
460 
461 	if (pi->caps_db_ramping) {
462 		data = RREG32_DIDT(ixDIDT_DB_CTRL0);
463 		if (enable)
464 			data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
465 		else
466 			data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
467 		WREG32_DIDT(ixDIDT_DB_CTRL0, data);
468 	}
469 
470 	if (pi->caps_td_ramping) {
471 		data = RREG32_DIDT(ixDIDT_TD_CTRL0);
472 		if (enable)
473 			data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
474 		else
475 			data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
476 		WREG32_DIDT(ixDIDT_TD_CTRL0, data);
477 	}
478 
479 	if (pi->caps_tcp_ramping) {
480 		data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
481 		if (enable)
482 			data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
483 		else
484 			data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
485 		WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
486 	}
487 }
488 
kv_enable_didt(struct amdgpu_device * adev,bool enable)489 static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
490 {
491 	struct kv_power_info *pi = kv_get_pi(adev);
492 	int ret;
493 
494 	if (pi->caps_sq_ramping ||
495 	    pi->caps_db_ramping ||
496 	    pi->caps_td_ramping ||
497 	    pi->caps_tcp_ramping) {
498 		amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
499 
500 		if (enable) {
501 			ret = kv_program_pt_config_registers(adev, didt_config_kv);
502 			if (ret) {
503 				amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
504 				return ret;
505 			}
506 		}
507 
508 		kv_do_enable_didt(adev, enable);
509 
510 		amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
511 	}
512 
513 	return 0;
514 }
515 
516 #if 0
517 static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
518 {
519 	struct kv_power_info *pi = kv_get_pi(adev);
520 
521 	if (pi->caps_cac) {
522 		WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
523 		WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
524 		kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
525 
526 		WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
527 		WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
528 		kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
529 
530 		WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
531 		WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
532 		kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
533 
534 		WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
535 		WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
536 		kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
537 
538 		WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
539 		WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
540 		kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
541 
542 		WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
543 		WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
544 		kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
545 	}
546 }
547 #endif
548 
kv_enable_smc_cac(struct amdgpu_device * adev,bool enable)549 static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
550 {
551 	struct kv_power_info *pi = kv_get_pi(adev);
552 	int ret = 0;
553 
554 	if (pi->caps_cac) {
555 		if (enable) {
556 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
557 			if (ret)
558 				pi->cac_enabled = false;
559 			else
560 				pi->cac_enabled = true;
561 		} else if (pi->cac_enabled) {
562 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
563 			pi->cac_enabled = false;
564 		}
565 	}
566 
567 	return ret;
568 }
569 
kv_process_firmware_header(struct amdgpu_device * adev)570 static int kv_process_firmware_header(struct amdgpu_device *adev)
571 {
572 	struct kv_power_info *pi = kv_get_pi(adev);
573 	u32 tmp;
574 	int ret;
575 
576 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
577 				     offsetof(SMU7_Firmware_Header, DpmTable),
578 				     &tmp, pi->sram_end);
579 
580 	if (ret == 0)
581 		pi->dpm_table_start = tmp;
582 
583 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
584 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
585 				     &tmp, pi->sram_end);
586 
587 	if (ret == 0)
588 		pi->soft_regs_start = tmp;
589 
590 	return ret;
591 }
592 
kv_enable_dpm_voltage_scaling(struct amdgpu_device * adev)593 static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
594 {
595 	struct kv_power_info *pi = kv_get_pi(adev);
596 	int ret;
597 
598 	pi->graphics_voltage_change_enable = 1;
599 
600 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
601 				   pi->dpm_table_start +
602 				   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
603 				   &pi->graphics_voltage_change_enable,
604 				   sizeof(u8), pi->sram_end);
605 
606 	return ret;
607 }
608 
kv_set_dpm_interval(struct amdgpu_device * adev)609 static int kv_set_dpm_interval(struct amdgpu_device *adev)
610 {
611 	struct kv_power_info *pi = kv_get_pi(adev);
612 	int ret;
613 
614 	pi->graphics_interval = 1;
615 
616 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
617 				   pi->dpm_table_start +
618 				   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
619 				   &pi->graphics_interval,
620 				   sizeof(u8), pi->sram_end);
621 
622 	return ret;
623 }
624 
kv_set_dpm_boot_state(struct amdgpu_device * adev)625 static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
626 {
627 	struct kv_power_info *pi = kv_get_pi(adev);
628 	int ret;
629 
630 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
631 				   pi->dpm_table_start +
632 				   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
633 				   &pi->graphics_boot_level,
634 				   sizeof(u8), pi->sram_end);
635 
636 	return ret;
637 }
638 
kv_program_vc(struct amdgpu_device * adev)639 static void kv_program_vc(struct amdgpu_device *adev)
640 {
641 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
642 }
643 
kv_clear_vc(struct amdgpu_device * adev)644 static void kv_clear_vc(struct amdgpu_device *adev)
645 {
646 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
647 }
648 
kv_set_divider_value(struct amdgpu_device * adev,u32 index,u32 sclk)649 static int kv_set_divider_value(struct amdgpu_device *adev,
650 				u32 index, u32 sclk)
651 {
652 	struct kv_power_info *pi = kv_get_pi(adev);
653 	struct atom_clock_dividers dividers;
654 	int ret;
655 
656 	ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
657 						 sclk, false, &dividers);
658 	if (ret)
659 		return ret;
660 
661 	pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
662 	pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
663 
664 	return 0;
665 }
666 
kv_convert_8bit_index_to_voltage(struct amdgpu_device * adev,u16 voltage)667 static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
668 					    u16 voltage)
669 {
670 	return 6200 - (voltage * 25);
671 }
672 
kv_convert_2bit_index_to_voltage(struct amdgpu_device * adev,u32 vid_2bit)673 static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
674 					    u32 vid_2bit)
675 {
676 	struct kv_power_info *pi = kv_get_pi(adev);
677 	u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
678 					       &pi->sys_info.vid_mapping_table,
679 					       vid_2bit);
680 
681 	return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
682 }
683 
684 
kv_set_vid(struct amdgpu_device * adev,u32 index,u32 vid)685 static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
686 {
687 	struct kv_power_info *pi = kv_get_pi(adev);
688 
689 	pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
690 	pi->graphics_level[index].MinVddNb =
691 		cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));
692 
693 	return 0;
694 }
695 
kv_set_at(struct amdgpu_device * adev,u32 index,u32 at)696 static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
697 {
698 	struct kv_power_info *pi = kv_get_pi(adev);
699 
700 	pi->graphics_level[index].AT = cpu_to_be16((u16)at);
701 
702 	return 0;
703 }
704 
kv_dpm_power_level_enable(struct amdgpu_device * adev,u32 index,bool enable)705 static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
706 				      u32 index, bool enable)
707 {
708 	struct kv_power_info *pi = kv_get_pi(adev);
709 
710 	pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
711 }
712 
kv_start_dpm(struct amdgpu_device * adev)713 static void kv_start_dpm(struct amdgpu_device *adev)
714 {
715 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
716 
717 	tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
718 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
719 
720 	amdgpu_kv_smc_dpm_enable(adev, true);
721 }
722 
kv_stop_dpm(struct amdgpu_device * adev)723 static void kv_stop_dpm(struct amdgpu_device *adev)
724 {
725 	amdgpu_kv_smc_dpm_enable(adev, false);
726 }
727 
kv_start_am(struct amdgpu_device * adev)728 static void kv_start_am(struct amdgpu_device *adev)
729 {
730 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
731 
732 	sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
733 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
734 	sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
735 
736 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
737 }
738 
kv_reset_am(struct amdgpu_device * adev)739 static void kv_reset_am(struct amdgpu_device *adev)
740 {
741 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
742 
743 	sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
744 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
745 
746 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
747 }
748 
kv_freeze_sclk_dpm(struct amdgpu_device * adev,bool freeze)749 static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
750 {
751 	return amdgpu_kv_notify_message_to_smu(adev, freeze ?
752 					PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
753 }
754 
kv_force_lowest_valid(struct amdgpu_device * adev)755 static int kv_force_lowest_valid(struct amdgpu_device *adev)
756 {
757 	return kv_force_dpm_lowest(adev);
758 }
759 
kv_unforce_levels(struct amdgpu_device * adev)760 static int kv_unforce_levels(struct amdgpu_device *adev)
761 {
762 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
763 		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
764 	else
765 		return kv_set_enabled_levels(adev);
766 }
767 
kv_update_sclk_t(struct amdgpu_device * adev)768 static int kv_update_sclk_t(struct amdgpu_device *adev)
769 {
770 	struct kv_power_info *pi = kv_get_pi(adev);
771 	u32 low_sclk_interrupt_t = 0;
772 	int ret = 0;
773 
774 	if (pi->caps_sclk_throttle_low_notification) {
775 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
776 
777 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
778 					   pi->dpm_table_start +
779 					   offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
780 					   (u8 *)&low_sclk_interrupt_t,
781 					   sizeof(u32), pi->sram_end);
782 	}
783 	return ret;
784 }
785 
kv_program_bootup_state(struct amdgpu_device * adev)786 static int kv_program_bootup_state(struct amdgpu_device *adev)
787 {
788 	struct kv_power_info *pi = kv_get_pi(adev);
789 	u32 i;
790 	struct amdgpu_clock_voltage_dependency_table *table =
791 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
792 
793 	if (table && table->count) {
794 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
795 			if (table->entries[i].clk == pi->boot_pl.sclk)
796 				break;
797 		}
798 
799 		pi->graphics_boot_level = (u8)i;
800 		kv_dpm_power_level_enable(adev, i, true);
801 	} else {
802 		struct sumo_sclk_voltage_mapping_table *table =
803 			&pi->sys_info.sclk_voltage_mapping_table;
804 
805 		if (table->num_max_dpm_entries == 0)
806 			return -EINVAL;
807 
808 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
809 			if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
810 				break;
811 		}
812 
813 		pi->graphics_boot_level = (u8)i;
814 		kv_dpm_power_level_enable(adev, i, true);
815 	}
816 	return 0;
817 }
818 
kv_enable_auto_thermal_throttling(struct amdgpu_device * adev)819 static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
820 {
821 	struct kv_power_info *pi = kv_get_pi(adev);
822 	int ret;
823 
824 	pi->graphics_therm_throttle_enable = 1;
825 
826 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
827 				   pi->dpm_table_start +
828 				   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
829 				   &pi->graphics_therm_throttle_enable,
830 				   sizeof(u8), pi->sram_end);
831 
832 	return ret;
833 }
834 
kv_upload_dpm_settings(struct amdgpu_device * adev)835 static int kv_upload_dpm_settings(struct amdgpu_device *adev)
836 {
837 	struct kv_power_info *pi = kv_get_pi(adev);
838 	int ret;
839 
840 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
841 				   pi->dpm_table_start +
842 				   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
843 				   (u8 *)&pi->graphics_level,
844 				   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
845 				   pi->sram_end);
846 
847 	if (ret)
848 		return ret;
849 
850 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
851 				   pi->dpm_table_start +
852 				   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
853 				   &pi->graphics_dpm_level_count,
854 				   sizeof(u8), pi->sram_end);
855 
856 	return ret;
857 }
858 
kv_get_clock_difference(u32 a,u32 b)859 static u32 kv_get_clock_difference(u32 a, u32 b)
860 {
861 	return (a >= b) ? a - b : b - a;
862 }
863 
kv_get_clk_bypass(struct amdgpu_device * adev,u32 clk)864 static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
865 {
866 	struct kv_power_info *pi = kv_get_pi(adev);
867 	u32 value;
868 
869 	if (pi->caps_enable_dfs_bypass) {
870 		if (kv_get_clock_difference(clk, 40000) < 200)
871 			value = 3;
872 		else if (kv_get_clock_difference(clk, 30000) < 200)
873 			value = 2;
874 		else if (kv_get_clock_difference(clk, 20000) < 200)
875 			value = 7;
876 		else if (kv_get_clock_difference(clk, 15000) < 200)
877 			value = 6;
878 		else if (kv_get_clock_difference(clk, 10000) < 200)
879 			value = 8;
880 		else
881 			value = 0;
882 	} else {
883 		value = 0;
884 	}
885 
886 	return value;
887 }
888 
kv_populate_uvd_table(struct amdgpu_device * adev)889 static int kv_populate_uvd_table(struct amdgpu_device *adev)
890 {
891 	struct kv_power_info *pi = kv_get_pi(adev);
892 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
893 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
894 	struct atom_clock_dividers dividers;
895 	int ret;
896 	u32 i;
897 
898 	if (table == NULL || table->count == 0)
899 		return 0;
900 
901 	pi->uvd_level_count = 0;
902 	for (i = 0; i < table->count; i++) {
903 		if (pi->high_voltage_t &&
904 		    (pi->high_voltage_t < table->entries[i].v))
905 			break;
906 
907 		pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
908 		pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
909 		pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
910 
911 		pi->uvd_level[i].VClkBypassCntl =
912 			(u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
913 		pi->uvd_level[i].DClkBypassCntl =
914 			(u8)kv_get_clk_bypass(adev, table->entries[i].dclk);
915 
916 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
917 							 table->entries[i].vclk, false, &dividers);
918 		if (ret)
919 			return ret;
920 		pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
921 
922 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
923 							 table->entries[i].dclk, false, &dividers);
924 		if (ret)
925 			return ret;
926 		pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
927 
928 		pi->uvd_level_count++;
929 	}
930 
931 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
932 				   pi->dpm_table_start +
933 				   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
934 				   (u8 *)&pi->uvd_level_count,
935 				   sizeof(u8), pi->sram_end);
936 	if (ret)
937 		return ret;
938 
939 	pi->uvd_interval = 1;
940 
941 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
942 				   pi->dpm_table_start +
943 				   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
944 				   &pi->uvd_interval,
945 				   sizeof(u8), pi->sram_end);
946 	if (ret)
947 		return ret;
948 
949 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
950 				   pi->dpm_table_start +
951 				   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
952 				   (u8 *)&pi->uvd_level,
953 				   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
954 				   pi->sram_end);
955 
956 	return ret;
957 
958 }
959 
kv_populate_vce_table(struct amdgpu_device * adev)960 static int kv_populate_vce_table(struct amdgpu_device *adev)
961 {
962 	struct kv_power_info *pi = kv_get_pi(adev);
963 	int ret;
964 	u32 i;
965 	struct amdgpu_vce_clock_voltage_dependency_table *table =
966 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
967 	struct atom_clock_dividers dividers;
968 
969 	if (table == NULL || table->count == 0)
970 		return 0;
971 
972 	pi->vce_level_count = 0;
973 	for (i = 0; i < table->count; i++) {
974 		if (pi->high_voltage_t &&
975 		    pi->high_voltage_t < table->entries[i].v)
976 			break;
977 
978 		pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
979 		pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
980 
981 		pi->vce_level[i].ClkBypassCntl =
982 			(u8)kv_get_clk_bypass(adev, table->entries[i].evclk);
983 
984 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
985 							 table->entries[i].evclk, false, &dividers);
986 		if (ret)
987 			return ret;
988 		pi->vce_level[i].Divider = (u8)dividers.post_div;
989 
990 		pi->vce_level_count++;
991 	}
992 
993 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
994 				   pi->dpm_table_start +
995 				   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
996 				   (u8 *)&pi->vce_level_count,
997 				   sizeof(u8),
998 				   pi->sram_end);
999 	if (ret)
1000 		return ret;
1001 
1002 	pi->vce_interval = 1;
1003 
1004 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1005 				   pi->dpm_table_start +
1006 				   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
1007 				   (u8 *)&pi->vce_interval,
1008 				   sizeof(u8),
1009 				   pi->sram_end);
1010 	if (ret)
1011 		return ret;
1012 
1013 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1014 				   pi->dpm_table_start +
1015 				   offsetof(SMU7_Fusion_DpmTable, VceLevel),
1016 				   (u8 *)&pi->vce_level,
1017 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
1018 				   pi->sram_end);
1019 
1020 	return ret;
1021 }
1022 
kv_populate_samu_table(struct amdgpu_device * adev)1023 static int kv_populate_samu_table(struct amdgpu_device *adev)
1024 {
1025 	struct kv_power_info *pi = kv_get_pi(adev);
1026 	struct amdgpu_clock_voltage_dependency_table *table =
1027 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1028 	struct atom_clock_dividers dividers;
1029 	int ret;
1030 	u32 i;
1031 
1032 	if (table == NULL || table->count == 0)
1033 		return 0;
1034 
1035 	pi->samu_level_count = 0;
1036 	for (i = 0; i < table->count; i++) {
1037 		if (pi->high_voltage_t &&
1038 		    pi->high_voltage_t < table->entries[i].v)
1039 			break;
1040 
1041 		pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1042 		pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1043 
1044 		pi->samu_level[i].ClkBypassCntl =
1045 			(u8)kv_get_clk_bypass(adev, table->entries[i].clk);
1046 
1047 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1048 							 table->entries[i].clk, false, &dividers);
1049 		if (ret)
1050 			return ret;
1051 		pi->samu_level[i].Divider = (u8)dividers.post_div;
1052 
1053 		pi->samu_level_count++;
1054 	}
1055 
1056 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1057 				   pi->dpm_table_start +
1058 				   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
1059 				   (u8 *)&pi->samu_level_count,
1060 				   sizeof(u8),
1061 				   pi->sram_end);
1062 	if (ret)
1063 		return ret;
1064 
1065 	pi->samu_interval = 1;
1066 
1067 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1068 				   pi->dpm_table_start +
1069 				   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1070 				   (u8 *)&pi->samu_interval,
1071 				   sizeof(u8),
1072 				   pi->sram_end);
1073 	if (ret)
1074 		return ret;
1075 
1076 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1077 				   pi->dpm_table_start +
1078 				   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1079 				   (u8 *)&pi->samu_level,
1080 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1081 				   pi->sram_end);
1082 	if (ret)
1083 		return ret;
1084 
1085 	return ret;
1086 }
1087 
1088 
kv_populate_acp_table(struct amdgpu_device * adev)1089 static int kv_populate_acp_table(struct amdgpu_device *adev)
1090 {
1091 	struct kv_power_info *pi = kv_get_pi(adev);
1092 	struct amdgpu_clock_voltage_dependency_table *table =
1093 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1094 	struct atom_clock_dividers dividers;
1095 	int ret;
1096 	u32 i;
1097 
1098 	if (table == NULL || table->count == 0)
1099 		return 0;
1100 
1101 	pi->acp_level_count = 0;
1102 	for (i = 0; i < table->count; i++) {
1103 		pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1104 		pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1105 
1106 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1107 							 table->entries[i].clk, false, &dividers);
1108 		if (ret)
1109 			return ret;
1110 		pi->acp_level[i].Divider = (u8)dividers.post_div;
1111 
1112 		pi->acp_level_count++;
1113 	}
1114 
1115 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1116 				   pi->dpm_table_start +
1117 				   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1118 				   (u8 *)&pi->acp_level_count,
1119 				   sizeof(u8),
1120 				   pi->sram_end);
1121 	if (ret)
1122 		return ret;
1123 
1124 	pi->acp_interval = 1;
1125 
1126 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1127 				   pi->dpm_table_start +
1128 				   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1129 				   (u8 *)&pi->acp_interval,
1130 				   sizeof(u8),
1131 				   pi->sram_end);
1132 	if (ret)
1133 		return ret;
1134 
1135 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1136 				   pi->dpm_table_start +
1137 				   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1138 				   (u8 *)&pi->acp_level,
1139 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1140 				   pi->sram_end);
1141 	if (ret)
1142 		return ret;
1143 
1144 	return ret;
1145 }
1146 
kv_calculate_dfs_bypass_settings(struct amdgpu_device * adev)1147 static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
1148 {
1149 	struct kv_power_info *pi = kv_get_pi(adev);
1150 	u32 i;
1151 	struct amdgpu_clock_voltage_dependency_table *table =
1152 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1153 
1154 	if (table && table->count) {
1155 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1156 			if (pi->caps_enable_dfs_bypass) {
1157 				if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1158 					pi->graphics_level[i].ClkBypassCntl = 3;
1159 				else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1160 					pi->graphics_level[i].ClkBypassCntl = 2;
1161 				else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1162 					pi->graphics_level[i].ClkBypassCntl = 7;
1163 				else if (kv_get_clock_difference(table->entries[i].clk, 20000) < 200)
1164 					pi->graphics_level[i].ClkBypassCntl = 6;
1165 				else if (kv_get_clock_difference(table->entries[i].clk, 10000) < 200)
1166 					pi->graphics_level[i].ClkBypassCntl = 8;
1167 				else
1168 					pi->graphics_level[i].ClkBypassCntl = 0;
1169 			} else {
1170 				pi->graphics_level[i].ClkBypassCntl = 0;
1171 			}
1172 		}
1173 	} else {
1174 		struct sumo_sclk_voltage_mapping_table *table =
1175 			&pi->sys_info.sclk_voltage_mapping_table;
1176 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1177 			if (pi->caps_enable_dfs_bypass) {
1178 				if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1179 					pi->graphics_level[i].ClkBypassCntl = 3;
1180 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1181 					pi->graphics_level[i].ClkBypassCntl = 2;
1182 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1183 					pi->graphics_level[i].ClkBypassCntl = 7;
1184 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1185 					pi->graphics_level[i].ClkBypassCntl = 6;
1186 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1187 					pi->graphics_level[i].ClkBypassCntl = 8;
1188 				else
1189 					pi->graphics_level[i].ClkBypassCntl = 0;
1190 			} else {
1191 				pi->graphics_level[i].ClkBypassCntl = 0;
1192 			}
1193 		}
1194 	}
1195 }
1196 
kv_enable_ulv(struct amdgpu_device * adev,bool enable)1197 static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
1198 {
1199 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1200 					PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1201 }
1202 
kv_reset_acp_boot_level(struct amdgpu_device * adev)1203 static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
1204 {
1205 	struct kv_power_info *pi = kv_get_pi(adev);
1206 
1207 	pi->acp_boot_level = 0xff;
1208 }
1209 
kv_update_current_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1210 static void kv_update_current_ps(struct amdgpu_device *adev,
1211 				 struct amdgpu_ps *rps)
1212 {
1213 	struct kv_ps *new_ps = kv_get_ps(rps);
1214 	struct kv_power_info *pi = kv_get_pi(adev);
1215 
1216 	pi->current_rps = *rps;
1217 	pi->current_ps = *new_ps;
1218 	pi->current_rps.ps_priv = &pi->current_ps;
1219 	adev->pm.dpm.current_ps = &pi->current_rps;
1220 }
1221 
kv_update_requested_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1222 static void kv_update_requested_ps(struct amdgpu_device *adev,
1223 				   struct amdgpu_ps *rps)
1224 {
1225 	struct kv_ps *new_ps = kv_get_ps(rps);
1226 	struct kv_power_info *pi = kv_get_pi(adev);
1227 
1228 	pi->requested_rps = *rps;
1229 	pi->requested_ps = *new_ps;
1230 	pi->requested_rps.ps_priv = &pi->requested_ps;
1231 	adev->pm.dpm.requested_ps = &pi->requested_rps;
1232 }
1233 
kv_dpm_enable_bapm(void * handle,bool enable)1234 static void kv_dpm_enable_bapm(void *handle, bool enable)
1235 {
1236 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1237 	struct kv_power_info *pi = kv_get_pi(adev);
1238 	int ret;
1239 
1240 	if (pi->bapm_enable) {
1241 		ret = amdgpu_kv_smc_bapm_enable(adev, enable);
1242 		if (ret)
1243 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1244 	}
1245 }
1246 
kv_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor)1247 static bool kv_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor)
1248 {
1249 	switch (sensor) {
1250 	case THERMAL_TYPE_KV:
1251 		return true;
1252 	case THERMAL_TYPE_NONE:
1253 	case THERMAL_TYPE_EXTERNAL:
1254 	case THERMAL_TYPE_EXTERNAL_GPIO:
1255 	default:
1256 		return false;
1257 	}
1258 }
1259 
kv_dpm_enable(struct amdgpu_device * adev)1260 static int kv_dpm_enable(struct amdgpu_device *adev)
1261 {
1262 	struct kv_power_info *pi = kv_get_pi(adev);
1263 	int ret;
1264 
1265 	ret = kv_process_firmware_header(adev);
1266 	if (ret) {
1267 		DRM_ERROR("kv_process_firmware_header failed\n");
1268 		return ret;
1269 	}
1270 	kv_init_fps_limits(adev);
1271 	kv_init_graphics_levels(adev);
1272 	ret = kv_program_bootup_state(adev);
1273 	if (ret) {
1274 		DRM_ERROR("kv_program_bootup_state failed\n");
1275 		return ret;
1276 	}
1277 	kv_calculate_dfs_bypass_settings(adev);
1278 	ret = kv_upload_dpm_settings(adev);
1279 	if (ret) {
1280 		DRM_ERROR("kv_upload_dpm_settings failed\n");
1281 		return ret;
1282 	}
1283 	ret = kv_populate_uvd_table(adev);
1284 	if (ret) {
1285 		DRM_ERROR("kv_populate_uvd_table failed\n");
1286 		return ret;
1287 	}
1288 	ret = kv_populate_vce_table(adev);
1289 	if (ret) {
1290 		DRM_ERROR("kv_populate_vce_table failed\n");
1291 		return ret;
1292 	}
1293 	ret = kv_populate_samu_table(adev);
1294 	if (ret) {
1295 		DRM_ERROR("kv_populate_samu_table failed\n");
1296 		return ret;
1297 	}
1298 	ret = kv_populate_acp_table(adev);
1299 	if (ret) {
1300 		DRM_ERROR("kv_populate_acp_table failed\n");
1301 		return ret;
1302 	}
1303 	kv_program_vc(adev);
1304 #if 0
1305 	kv_initialize_hardware_cac_manager(adev);
1306 #endif
1307 	kv_start_am(adev);
1308 	if (pi->enable_auto_thermal_throttling) {
1309 		ret = kv_enable_auto_thermal_throttling(adev);
1310 		if (ret) {
1311 			DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
1312 			return ret;
1313 		}
1314 	}
1315 	ret = kv_enable_dpm_voltage_scaling(adev);
1316 	if (ret) {
1317 		DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
1318 		return ret;
1319 	}
1320 	ret = kv_set_dpm_interval(adev);
1321 	if (ret) {
1322 		DRM_ERROR("kv_set_dpm_interval failed\n");
1323 		return ret;
1324 	}
1325 	ret = kv_set_dpm_boot_state(adev);
1326 	if (ret) {
1327 		DRM_ERROR("kv_set_dpm_boot_state failed\n");
1328 		return ret;
1329 	}
1330 	ret = kv_enable_ulv(adev, true);
1331 	if (ret) {
1332 		DRM_ERROR("kv_enable_ulv failed\n");
1333 		return ret;
1334 	}
1335 	kv_start_dpm(adev);
1336 	ret = kv_enable_didt(adev, true);
1337 	if (ret) {
1338 		DRM_ERROR("kv_enable_didt failed\n");
1339 		return ret;
1340 	}
1341 	ret = kv_enable_smc_cac(adev, true);
1342 	if (ret) {
1343 		DRM_ERROR("kv_enable_smc_cac failed\n");
1344 		return ret;
1345 	}
1346 
1347 	kv_reset_acp_boot_level(adev);
1348 
1349 	ret = amdgpu_kv_smc_bapm_enable(adev, false);
1350 	if (ret) {
1351 		DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1352 		return ret;
1353 	}
1354 
1355 	if (adev->irq.installed &&
1356 	    kv_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
1357 		ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
1358 		if (ret) {
1359 			DRM_ERROR("kv_set_thermal_temperature_range failed\n");
1360 			return ret;
1361 		}
1362 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1363 			       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1364 		amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1365 			       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1366 	}
1367 
1368 	return ret;
1369 }
1370 
kv_dpm_disable(struct amdgpu_device * adev)1371 static void kv_dpm_disable(struct amdgpu_device *adev)
1372 {
1373 	struct kv_power_info *pi = kv_get_pi(adev);
1374 	int err;
1375 
1376 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1377 		       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1378 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1379 		       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1380 
1381 	err = amdgpu_kv_smc_bapm_enable(adev, false);
1382 	if (err)
1383 		DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1384 
1385 	if (adev->asic_type == CHIP_MULLINS)
1386 		kv_enable_nb_dpm(adev, false);
1387 
1388 	/* powerup blocks */
1389 	kv_dpm_powergate_acp(adev, false);
1390 	kv_dpm_powergate_samu(adev, false);
1391 	if (pi->caps_vce_pg) /* power on the VCE block */
1392 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1393 	if (pi->caps_uvd_pg) /* power on the UVD block */
1394 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1395 
1396 	kv_enable_smc_cac(adev, false);
1397 	kv_enable_didt(adev, false);
1398 	kv_clear_vc(adev);
1399 	kv_stop_dpm(adev);
1400 	kv_enable_ulv(adev, false);
1401 	kv_reset_am(adev);
1402 
1403 	kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1404 }
1405 
1406 #if 0
1407 static int kv_write_smc_soft_register(struct amdgpu_device *adev,
1408 				      u16 reg_offset, u32 value)
1409 {
1410 	struct kv_power_info *pi = kv_get_pi(adev);
1411 
1412 	return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
1413 				    (u8 *)&value, sizeof(u16), pi->sram_end);
1414 }
1415 
1416 static int kv_read_smc_soft_register(struct amdgpu_device *adev,
1417 				     u16 reg_offset, u32 *value)
1418 {
1419 	struct kv_power_info *pi = kv_get_pi(adev);
1420 
1421 	return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
1422 				      value, pi->sram_end);
1423 }
1424 #endif
1425 
kv_init_sclk_t(struct amdgpu_device * adev)1426 static void kv_init_sclk_t(struct amdgpu_device *adev)
1427 {
1428 	struct kv_power_info *pi = kv_get_pi(adev);
1429 
1430 	pi->low_sclk_interrupt_t = 0;
1431 }
1432 
kv_init_fps_limits(struct amdgpu_device * adev)1433 static int kv_init_fps_limits(struct amdgpu_device *adev)
1434 {
1435 	struct kv_power_info *pi = kv_get_pi(adev);
1436 	int ret = 0;
1437 
1438 	if (pi->caps_fps) {
1439 		u16 tmp;
1440 
1441 		tmp = 45;
1442 		pi->fps_high_t = cpu_to_be16(tmp);
1443 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1444 					   pi->dpm_table_start +
1445 					   offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1446 					   (u8 *)&pi->fps_high_t,
1447 					   sizeof(u16), pi->sram_end);
1448 
1449 		tmp = 30;
1450 		pi->fps_low_t = cpu_to_be16(tmp);
1451 
1452 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1453 					   pi->dpm_table_start +
1454 					   offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1455 					   (u8 *)&pi->fps_low_t,
1456 					   sizeof(u16), pi->sram_end);
1457 
1458 	}
1459 	return ret;
1460 }
1461 
kv_init_powergate_state(struct amdgpu_device * adev)1462 static void kv_init_powergate_state(struct amdgpu_device *adev)
1463 {
1464 	struct kv_power_info *pi = kv_get_pi(adev);
1465 
1466 	pi->uvd_power_gated = false;
1467 	pi->vce_power_gated = false;
1468 	pi->samu_power_gated = false;
1469 	pi->acp_power_gated = false;
1470 
1471 }
1472 
kv_enable_uvd_dpm(struct amdgpu_device * adev,bool enable)1473 static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1474 {
1475 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1476 					PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1477 }
1478 
kv_enable_vce_dpm(struct amdgpu_device * adev,bool enable)1479 static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1480 {
1481 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1482 					PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1483 }
1484 
kv_enable_samu_dpm(struct amdgpu_device * adev,bool enable)1485 static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
1486 {
1487 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1488 					PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1489 }
1490 
kv_enable_acp_dpm(struct amdgpu_device * adev,bool enable)1491 static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
1492 {
1493 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1494 					PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1495 }
1496 
kv_update_uvd_dpm(struct amdgpu_device * adev,bool gate)1497 static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1498 {
1499 	struct kv_power_info *pi = kv_get_pi(adev);
1500 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
1501 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1502 	int ret;
1503 	u32 mask;
1504 
1505 	if (!gate) {
1506 		if (table->count)
1507 			pi->uvd_boot_level = table->count - 1;
1508 		else
1509 			pi->uvd_boot_level = 0;
1510 
1511 		if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1512 			mask = 1 << pi->uvd_boot_level;
1513 		} else {
1514 			mask = 0x1f;
1515 		}
1516 
1517 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1518 					   pi->dpm_table_start +
1519 					   offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1520 					   (uint8_t *)&pi->uvd_boot_level,
1521 					   sizeof(u8), pi->sram_end);
1522 		if (ret)
1523 			return ret;
1524 
1525 		amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1526 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
1527 						  mask);
1528 	}
1529 
1530 	return kv_enable_uvd_dpm(adev, !gate);
1531 }
1532 
kv_get_vce_boot_level(struct amdgpu_device * adev,u32 evclk)1533 static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
1534 {
1535 	u8 i;
1536 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1537 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1538 
1539 	for (i = 0; i < table->count; i++) {
1540 		if (table->entries[i].evclk >= evclk)
1541 			break;
1542 	}
1543 
1544 	return i;
1545 }
1546 
kv_update_vce_dpm(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)1547 static int kv_update_vce_dpm(struct amdgpu_device *adev,
1548 			     struct amdgpu_ps *amdgpu_new_state,
1549 			     struct amdgpu_ps *amdgpu_current_state)
1550 {
1551 	struct kv_power_info *pi = kv_get_pi(adev);
1552 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1553 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1554 	int ret;
1555 
1556 	if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
1557 		if (pi->caps_stable_p_state)
1558 			pi->vce_boot_level = table->count - 1;
1559 		else
1560 			pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk);
1561 
1562 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1563 					   pi->dpm_table_start +
1564 					   offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
1565 					   (u8 *)&pi->vce_boot_level,
1566 					   sizeof(u8),
1567 					   pi->sram_end);
1568 		if (ret)
1569 			return ret;
1570 
1571 		if (pi->caps_stable_p_state)
1572 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1573 							  PPSMC_MSG_VCEDPM_SetEnabledMask,
1574 							  (1 << pi->vce_boot_level));
1575 		kv_enable_vce_dpm(adev, true);
1576 	} else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
1577 		kv_enable_vce_dpm(adev, false);
1578 	}
1579 
1580 	return 0;
1581 }
1582 
kv_update_samu_dpm(struct amdgpu_device * adev,bool gate)1583 static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
1584 {
1585 	struct kv_power_info *pi = kv_get_pi(adev);
1586 	struct amdgpu_clock_voltage_dependency_table *table =
1587 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1588 	int ret;
1589 
1590 	if (!gate) {
1591 		if (pi->caps_stable_p_state)
1592 			pi->samu_boot_level = table->count - 1;
1593 		else
1594 			pi->samu_boot_level = 0;
1595 
1596 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1597 					   pi->dpm_table_start +
1598 					   offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1599 					   (u8 *)&pi->samu_boot_level,
1600 					   sizeof(u8),
1601 					   pi->sram_end);
1602 		if (ret)
1603 			return ret;
1604 
1605 		if (pi->caps_stable_p_state)
1606 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1607 							  PPSMC_MSG_SAMUDPM_SetEnabledMask,
1608 							  (1 << pi->samu_boot_level));
1609 	}
1610 
1611 	return kv_enable_samu_dpm(adev, !gate);
1612 }
1613 
kv_get_acp_boot_level(struct amdgpu_device * adev)1614 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
1615 {
1616 	return 0;
1617 }
1618 
kv_update_acp_boot_level(struct amdgpu_device * adev)1619 static void kv_update_acp_boot_level(struct amdgpu_device *adev)
1620 {
1621 	struct kv_power_info *pi = kv_get_pi(adev);
1622 	u8 acp_boot_level;
1623 
1624 	if (!pi->caps_stable_p_state) {
1625 		acp_boot_level = kv_get_acp_boot_level(adev);
1626 		if (acp_boot_level != pi->acp_boot_level) {
1627 			pi->acp_boot_level = acp_boot_level;
1628 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1629 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1630 							  (1 << pi->acp_boot_level));
1631 		}
1632 	}
1633 }
1634 
kv_update_acp_dpm(struct amdgpu_device * adev,bool gate)1635 static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
1636 {
1637 	struct kv_power_info *pi = kv_get_pi(adev);
1638 	struct amdgpu_clock_voltage_dependency_table *table =
1639 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1640 	int ret;
1641 
1642 	if (!gate) {
1643 		if (pi->caps_stable_p_state)
1644 			pi->acp_boot_level = table->count - 1;
1645 		else
1646 			pi->acp_boot_level = kv_get_acp_boot_level(adev);
1647 
1648 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1649 					   pi->dpm_table_start +
1650 					   offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1651 					   (u8 *)&pi->acp_boot_level,
1652 					   sizeof(u8),
1653 					   pi->sram_end);
1654 		if (ret)
1655 			return ret;
1656 
1657 		if (pi->caps_stable_p_state)
1658 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1659 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1660 							  (1 << pi->acp_boot_level));
1661 	}
1662 
1663 	return kv_enable_acp_dpm(adev, !gate);
1664 }
1665 
kv_dpm_powergate_uvd(void * handle,bool gate)1666 static void kv_dpm_powergate_uvd(void *handle, bool gate)
1667 {
1668 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1669 	struct kv_power_info *pi = kv_get_pi(adev);
1670 
1671 	pi->uvd_power_gated = gate;
1672 
1673 	if (gate) {
1674 		/* stop the UVD block */
1675 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1676 						       AMD_PG_STATE_GATE);
1677 		kv_update_uvd_dpm(adev, gate);
1678 		if (pi->caps_uvd_pg)
1679 			/* power off the UVD block */
1680 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
1681 	} else {
1682 		if (pi->caps_uvd_pg)
1683 			/* power on the UVD block */
1684 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1685 			/* re-init the UVD block */
1686 		kv_update_uvd_dpm(adev, gate);
1687 
1688 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1689 						       AMD_PG_STATE_UNGATE);
1690 	}
1691 }
1692 
kv_dpm_powergate_vce(void * handle,bool gate)1693 static void kv_dpm_powergate_vce(void *handle, bool gate)
1694 {
1695 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1696 	struct kv_power_info *pi = kv_get_pi(adev);
1697 
1698 	pi->vce_power_gated = gate;
1699 
1700 	if (gate) {
1701 		/* stop the VCE block */
1702 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1703 						       AMD_PG_STATE_GATE);
1704 		kv_enable_vce_dpm(adev, false);
1705 		if (pi->caps_vce_pg) /* power off the VCE block */
1706 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
1707 	} else {
1708 		if (pi->caps_vce_pg) /* power on the VCE block */
1709 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1710 		kv_enable_vce_dpm(adev, true);
1711 		/* re-init the VCE block */
1712 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1713 						       AMD_PG_STATE_UNGATE);
1714 	}
1715 }
1716 
1717 
kv_dpm_powergate_samu(struct amdgpu_device * adev,bool gate)1718 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
1719 {
1720 	struct kv_power_info *pi = kv_get_pi(adev);
1721 
1722 	if (pi->samu_power_gated == gate)
1723 		return;
1724 
1725 	pi->samu_power_gated = gate;
1726 
1727 	if (gate) {
1728 		kv_update_samu_dpm(adev, true);
1729 		if (pi->caps_samu_pg)
1730 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
1731 	} else {
1732 		if (pi->caps_samu_pg)
1733 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
1734 		kv_update_samu_dpm(adev, false);
1735 	}
1736 }
1737 
kv_dpm_powergate_acp(struct amdgpu_device * adev,bool gate)1738 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
1739 {
1740 	struct kv_power_info *pi = kv_get_pi(adev);
1741 
1742 	if (pi->acp_power_gated == gate)
1743 		return;
1744 
1745 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
1746 		return;
1747 
1748 	pi->acp_power_gated = gate;
1749 
1750 	if (gate) {
1751 		kv_update_acp_dpm(adev, true);
1752 		if (pi->caps_acp_pg)
1753 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
1754 	} else {
1755 		if (pi->caps_acp_pg)
1756 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
1757 		kv_update_acp_dpm(adev, false);
1758 	}
1759 }
1760 
kv_set_valid_clock_range(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1761 static void kv_set_valid_clock_range(struct amdgpu_device *adev,
1762 				     struct amdgpu_ps *new_rps)
1763 {
1764 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1765 	struct kv_power_info *pi = kv_get_pi(adev);
1766 	u32 i;
1767 	struct amdgpu_clock_voltage_dependency_table *table =
1768 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1769 
1770 	if (table && table->count) {
1771 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1772 			if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1773 			    (i == (pi->graphics_dpm_level_count - 1))) {
1774 				pi->lowest_valid = i;
1775 				break;
1776 			}
1777 		}
1778 
1779 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1780 			if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1781 				break;
1782 		}
1783 		pi->highest_valid = i;
1784 
1785 		if (pi->lowest_valid > pi->highest_valid) {
1786 			if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1787 			    (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1788 				pi->highest_valid = pi->lowest_valid;
1789 			else
1790 				pi->lowest_valid =  pi->highest_valid;
1791 		}
1792 	} else {
1793 		struct sumo_sclk_voltage_mapping_table *table =
1794 			&pi->sys_info.sclk_voltage_mapping_table;
1795 
1796 		for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1797 			if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1798 			    i == (int)(pi->graphics_dpm_level_count - 1)) {
1799 				pi->lowest_valid = i;
1800 				break;
1801 			}
1802 		}
1803 
1804 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1805 			if (table->entries[i].sclk_frequency <=
1806 			    new_ps->levels[new_ps->num_levels - 1].sclk)
1807 				break;
1808 		}
1809 		pi->highest_valid = i;
1810 
1811 		if (pi->lowest_valid > pi->highest_valid) {
1812 			if ((new_ps->levels[0].sclk -
1813 			     table->entries[pi->highest_valid].sclk_frequency) >
1814 			    (table->entries[pi->lowest_valid].sclk_frequency -
1815 			     new_ps->levels[new_ps->num_levels - 1].sclk))
1816 				pi->highest_valid = pi->lowest_valid;
1817 			else
1818 				pi->lowest_valid =  pi->highest_valid;
1819 		}
1820 	}
1821 }
1822 
kv_update_dfs_bypass_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1823 static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
1824 					 struct amdgpu_ps *new_rps)
1825 {
1826 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1827 	struct kv_power_info *pi = kv_get_pi(adev);
1828 	int ret = 0;
1829 	u8 clk_bypass_cntl;
1830 
1831 	if (pi->caps_enable_dfs_bypass) {
1832 		clk_bypass_cntl = new_ps->need_dfs_bypass ?
1833 			pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1834 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1835 					   (pi->dpm_table_start +
1836 					    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1837 					    (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1838 					    offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1839 					   &clk_bypass_cntl,
1840 					   sizeof(u8), pi->sram_end);
1841 	}
1842 
1843 	return ret;
1844 }
1845 
kv_enable_nb_dpm(struct amdgpu_device * adev,bool enable)1846 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
1847 			    bool enable)
1848 {
1849 	struct kv_power_info *pi = kv_get_pi(adev);
1850 	int ret = 0;
1851 
1852 	if (enable) {
1853 		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1854 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
1855 			if (ret == 0)
1856 				pi->nb_dpm_enabled = true;
1857 		}
1858 	} else {
1859 		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1860 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
1861 			if (ret == 0)
1862 				pi->nb_dpm_enabled = false;
1863 		}
1864 	}
1865 
1866 	return ret;
1867 }
1868 
kv_dpm_force_performance_level(void * handle,enum amd_dpm_forced_level level)1869 static int kv_dpm_force_performance_level(void *handle,
1870 					  enum amd_dpm_forced_level level)
1871 {
1872 	int ret;
1873 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1874 
1875 	if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
1876 		ret = kv_force_dpm_highest(adev);
1877 		if (ret)
1878 			return ret;
1879 	} else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
1880 		ret = kv_force_dpm_lowest(adev);
1881 		if (ret)
1882 			return ret;
1883 	} else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
1884 		ret = kv_unforce_levels(adev);
1885 		if (ret)
1886 			return ret;
1887 	}
1888 
1889 	adev->pm.dpm.forced_level = level;
1890 
1891 	return 0;
1892 }
1893 
kv_dpm_pre_set_power_state(void * handle)1894 static int kv_dpm_pre_set_power_state(void *handle)
1895 {
1896 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1897 	struct kv_power_info *pi = kv_get_pi(adev);
1898 	struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1899 	struct amdgpu_ps *new_ps = &requested_ps;
1900 
1901 	kv_update_requested_ps(adev, new_ps);
1902 
1903 	kv_apply_state_adjust_rules(adev,
1904 				    &pi->requested_rps,
1905 				    &pi->current_rps);
1906 
1907 	return 0;
1908 }
1909 
kv_dpm_set_power_state(void * handle)1910 static int kv_dpm_set_power_state(void *handle)
1911 {
1912 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1913 	struct kv_power_info *pi = kv_get_pi(adev);
1914 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1915 	struct amdgpu_ps *old_ps = &pi->current_rps;
1916 	int ret;
1917 
1918 	if (pi->bapm_enable) {
1919 		ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power);
1920 		if (ret) {
1921 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1922 			return ret;
1923 		}
1924 	}
1925 
1926 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
1927 		if (pi->enable_dpm) {
1928 			kv_set_valid_clock_range(adev, new_ps);
1929 			kv_update_dfs_bypass_settings(adev, new_ps);
1930 			ret = kv_calculate_ds_divider(adev);
1931 			if (ret) {
1932 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1933 				return ret;
1934 			}
1935 			kv_calculate_nbps_level_settings(adev);
1936 			kv_calculate_dpm_settings(adev);
1937 			kv_force_lowest_valid(adev);
1938 			kv_enable_new_levels(adev);
1939 			kv_upload_dpm_settings(adev);
1940 			kv_program_nbps_index_settings(adev, new_ps);
1941 			kv_unforce_levels(adev);
1942 			kv_set_enabled_levels(adev);
1943 			kv_force_lowest_valid(adev);
1944 			kv_unforce_levels(adev);
1945 
1946 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1947 			if (ret) {
1948 				DRM_ERROR("kv_update_vce_dpm failed\n");
1949 				return ret;
1950 			}
1951 			kv_update_sclk_t(adev);
1952 			if (adev->asic_type == CHIP_MULLINS)
1953 				kv_enable_nb_dpm(adev, true);
1954 		}
1955 	} else {
1956 		if (pi->enable_dpm) {
1957 			kv_set_valid_clock_range(adev, new_ps);
1958 			kv_update_dfs_bypass_settings(adev, new_ps);
1959 			ret = kv_calculate_ds_divider(adev);
1960 			if (ret) {
1961 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1962 				return ret;
1963 			}
1964 			kv_calculate_nbps_level_settings(adev);
1965 			kv_calculate_dpm_settings(adev);
1966 			kv_freeze_sclk_dpm(adev, true);
1967 			kv_upload_dpm_settings(adev);
1968 			kv_program_nbps_index_settings(adev, new_ps);
1969 			kv_freeze_sclk_dpm(adev, false);
1970 			kv_set_enabled_levels(adev);
1971 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1972 			if (ret) {
1973 				DRM_ERROR("kv_update_vce_dpm failed\n");
1974 				return ret;
1975 			}
1976 			kv_update_acp_boot_level(adev);
1977 			kv_update_sclk_t(adev);
1978 			kv_enable_nb_dpm(adev, true);
1979 		}
1980 	}
1981 
1982 	return 0;
1983 }
1984 
kv_dpm_post_set_power_state(void * handle)1985 static void kv_dpm_post_set_power_state(void *handle)
1986 {
1987 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1988 	struct kv_power_info *pi = kv_get_pi(adev);
1989 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1990 
1991 	kv_update_current_ps(adev, new_ps);
1992 }
1993 
kv_dpm_setup_asic(struct amdgpu_device * adev)1994 static void kv_dpm_setup_asic(struct amdgpu_device *adev)
1995 {
1996 	sumo_take_smu_control(adev, true);
1997 	kv_init_powergate_state(adev);
1998 	kv_init_sclk_t(adev);
1999 }
2000 
2001 #if 0
2002 static void kv_dpm_reset_asic(struct amdgpu_device *adev)
2003 {
2004 	struct kv_power_info *pi = kv_get_pi(adev);
2005 
2006 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2007 		kv_force_lowest_valid(adev);
2008 		kv_init_graphics_levels(adev);
2009 		kv_program_bootup_state(adev);
2010 		kv_upload_dpm_settings(adev);
2011 		kv_force_lowest_valid(adev);
2012 		kv_unforce_levels(adev);
2013 	} else {
2014 		kv_init_graphics_levels(adev);
2015 		kv_program_bootup_state(adev);
2016 		kv_freeze_sclk_dpm(adev, true);
2017 		kv_upload_dpm_settings(adev);
2018 		kv_freeze_sclk_dpm(adev, false);
2019 		kv_set_enabled_level(adev, pi->graphics_boot_level);
2020 	}
2021 }
2022 #endif
2023 
kv_construct_max_power_limits_table(struct amdgpu_device * adev,struct amdgpu_clock_and_voltage_limits * table)2024 static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
2025 						struct amdgpu_clock_and_voltage_limits *table)
2026 {
2027 	struct kv_power_info *pi = kv_get_pi(adev);
2028 
2029 	if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
2030 		int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
2031 		table->sclk =
2032 			pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
2033 		table->vddc =
2034 			kv_convert_2bit_index_to_voltage(adev,
2035 							 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
2036 	}
2037 
2038 	table->mclk = pi->sys_info.nbp_memory_clock[0];
2039 }
2040 
kv_patch_voltage_values(struct amdgpu_device * adev)2041 static void kv_patch_voltage_values(struct amdgpu_device *adev)
2042 {
2043 	int i;
2044 	struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
2045 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
2046 	struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
2047 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
2048 	struct amdgpu_clock_voltage_dependency_table *samu_table =
2049 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
2050 	struct amdgpu_clock_voltage_dependency_table *acp_table =
2051 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
2052 
2053 	if (uvd_table->count) {
2054 		for (i = 0; i < uvd_table->count; i++)
2055 			uvd_table->entries[i].v =
2056 				kv_convert_8bit_index_to_voltage(adev,
2057 								 uvd_table->entries[i].v);
2058 	}
2059 
2060 	if (vce_table->count) {
2061 		for (i = 0; i < vce_table->count; i++)
2062 			vce_table->entries[i].v =
2063 				kv_convert_8bit_index_to_voltage(adev,
2064 								 vce_table->entries[i].v);
2065 	}
2066 
2067 	if (samu_table->count) {
2068 		for (i = 0; i < samu_table->count; i++)
2069 			samu_table->entries[i].v =
2070 				kv_convert_8bit_index_to_voltage(adev,
2071 								 samu_table->entries[i].v);
2072 	}
2073 
2074 	if (acp_table->count) {
2075 		for (i = 0; i < acp_table->count; i++)
2076 			acp_table->entries[i].v =
2077 				kv_convert_8bit_index_to_voltage(adev,
2078 								 acp_table->entries[i].v);
2079 	}
2080 
2081 }
2082 
kv_construct_boot_state(struct amdgpu_device * adev)2083 static void kv_construct_boot_state(struct amdgpu_device *adev)
2084 {
2085 	struct kv_power_info *pi = kv_get_pi(adev);
2086 
2087 	pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2088 	pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2089 	pi->boot_pl.ds_divider_index = 0;
2090 	pi->boot_pl.ss_divider_index = 0;
2091 	pi->boot_pl.allow_gnb_slow = 1;
2092 	pi->boot_pl.force_nbp_state = 0;
2093 	pi->boot_pl.display_wm = 0;
2094 	pi->boot_pl.vce_wm = 0;
2095 }
2096 
kv_force_dpm_highest(struct amdgpu_device * adev)2097 static int kv_force_dpm_highest(struct amdgpu_device *adev)
2098 {
2099 	int ret;
2100 	u32 enable_mask, i;
2101 
2102 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2103 	if (ret)
2104 		return ret;
2105 
2106 	for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2107 		if (enable_mask & (1 << i))
2108 			break;
2109 	}
2110 
2111 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2112 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2113 	else
2114 		return kv_set_enabled_level(adev, i);
2115 }
2116 
kv_force_dpm_lowest(struct amdgpu_device * adev)2117 static int kv_force_dpm_lowest(struct amdgpu_device *adev)
2118 {
2119 	int ret;
2120 	u32 enable_mask, i;
2121 
2122 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2123 	if (ret)
2124 		return ret;
2125 
2126 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2127 		if (enable_mask & (1 << i))
2128 			break;
2129 	}
2130 
2131 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2132 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2133 	else
2134 		return kv_set_enabled_level(adev, i);
2135 }
2136 
kv_get_sleep_divider_id_from_clock(struct amdgpu_device * adev,u32 sclk,u32 min_sclk_in_sr)2137 static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
2138 					     u32 sclk, u32 min_sclk_in_sr)
2139 {
2140 	struct kv_power_info *pi = kv_get_pi(adev);
2141 	u32 i;
2142 	u32 temp;
2143 	u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK);
2144 
2145 	if (sclk < min)
2146 		return 0;
2147 
2148 	if (!pi->caps_sclk_ds)
2149 		return 0;
2150 
2151 	for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2152 		temp = sclk >> i;
2153 		if (temp >= min)
2154 			break;
2155 	}
2156 
2157 	return (u8)i;
2158 }
2159 
kv_get_high_voltage_limit(struct amdgpu_device * adev,int * limit)2160 static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
2161 {
2162 	struct kv_power_info *pi = kv_get_pi(adev);
2163 	struct amdgpu_clock_voltage_dependency_table *table =
2164 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2165 	int i;
2166 
2167 	if (table && table->count) {
2168 		for (i = table->count - 1; i >= 0; i--) {
2169 			if (pi->high_voltage_t &&
2170 			    (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
2171 			     pi->high_voltage_t)) {
2172 				*limit = i;
2173 				return 0;
2174 			}
2175 		}
2176 	} else {
2177 		struct sumo_sclk_voltage_mapping_table *table =
2178 			&pi->sys_info.sclk_voltage_mapping_table;
2179 
2180 		for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2181 			if (pi->high_voltage_t &&
2182 			    (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
2183 			     pi->high_voltage_t)) {
2184 				*limit = i;
2185 				return 0;
2186 			}
2187 		}
2188 	}
2189 
2190 	*limit = 0;
2191 	return 0;
2192 }
2193 
kv_apply_state_adjust_rules(struct amdgpu_device * adev,struct amdgpu_ps * new_rps,struct amdgpu_ps * old_rps)2194 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
2195 					struct amdgpu_ps *new_rps,
2196 					struct amdgpu_ps *old_rps)
2197 {
2198 	struct kv_ps *ps = kv_get_ps(new_rps);
2199 	struct kv_power_info *pi = kv_get_pi(adev);
2200 	u32 min_sclk = 10000; /* ??? */
2201 	u32 sclk, mclk = 0;
2202 	int i, limit;
2203 	bool force_high;
2204 	struct amdgpu_clock_voltage_dependency_table *table =
2205 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2206 	u32 stable_p_state_sclk = 0;
2207 	struct amdgpu_clock_and_voltage_limits *max_limits =
2208 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2209 
2210 	if (new_rps->vce_active) {
2211 		new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
2212 		new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
2213 	} else {
2214 		new_rps->evclk = 0;
2215 		new_rps->ecclk = 0;
2216 	}
2217 
2218 	mclk = max_limits->mclk;
2219 	sclk = min_sclk;
2220 
2221 	if (pi->caps_stable_p_state) {
2222 		stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2223 
2224 		for (i = table->count - 1; i >= 0; i--) {
2225 			if (stable_p_state_sclk >= table->entries[i].clk) {
2226 				stable_p_state_sclk = table->entries[i].clk;
2227 				break;
2228 			}
2229 		}
2230 
2231 		if (i > 0)
2232 			stable_p_state_sclk = table->entries[0].clk;
2233 
2234 		sclk = stable_p_state_sclk;
2235 	}
2236 
2237 	if (new_rps->vce_active) {
2238 		if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
2239 			sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
2240 	}
2241 
2242 	ps->need_dfs_bypass = true;
2243 
2244 	for (i = 0; i < ps->num_levels; i++) {
2245 		if (ps->levels[i].sclk < sclk)
2246 			ps->levels[i].sclk = sclk;
2247 	}
2248 
2249 	if (table && table->count) {
2250 		for (i = 0; i < ps->num_levels; i++) {
2251 			if (pi->high_voltage_t &&
2252 			    (pi->high_voltage_t <
2253 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2254 				kv_get_high_voltage_limit(adev, &limit);
2255 				ps->levels[i].sclk = table->entries[limit].clk;
2256 			}
2257 		}
2258 	} else {
2259 		struct sumo_sclk_voltage_mapping_table *table =
2260 			&pi->sys_info.sclk_voltage_mapping_table;
2261 
2262 		for (i = 0; i < ps->num_levels; i++) {
2263 			if (pi->high_voltage_t &&
2264 			    (pi->high_voltage_t <
2265 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2266 				kv_get_high_voltage_limit(adev, &limit);
2267 				ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2268 			}
2269 		}
2270 	}
2271 
2272 	if (pi->caps_stable_p_state) {
2273 		for (i = 0; i < ps->num_levels; i++) {
2274 			ps->levels[i].sclk = stable_p_state_sclk;
2275 		}
2276 	}
2277 
2278 	pi->video_start = new_rps->dclk || new_rps->vclk ||
2279 		new_rps->evclk || new_rps->ecclk;
2280 
2281 	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2282 	    ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2283 		pi->battery_state = true;
2284 	else
2285 		pi->battery_state = false;
2286 
2287 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2288 		ps->dpm0_pg_nb_ps_lo = 0x1;
2289 		ps->dpm0_pg_nb_ps_hi = 0x0;
2290 		ps->dpmx_nb_ps_lo = 0x1;
2291 		ps->dpmx_nb_ps_hi = 0x0;
2292 	} else {
2293 		ps->dpm0_pg_nb_ps_lo = 0x3;
2294 		ps->dpm0_pg_nb_ps_hi = 0x0;
2295 		ps->dpmx_nb_ps_lo = 0x3;
2296 		ps->dpmx_nb_ps_hi = 0x0;
2297 
2298 		if (pi->sys_info.nb_dpm_enable) {
2299 			force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2300 				pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
2301 				pi->disable_nb_ps3_in_battery;
2302 			ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2303 			ps->dpm0_pg_nb_ps_hi = 0x2;
2304 			ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2305 			ps->dpmx_nb_ps_hi = 0x2;
2306 		}
2307 	}
2308 }
2309 
kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device * adev,u32 index,bool enable)2310 static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
2311 						    u32 index, bool enable)
2312 {
2313 	struct kv_power_info *pi = kv_get_pi(adev);
2314 
2315 	pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2316 }
2317 
kv_calculate_ds_divider(struct amdgpu_device * adev)2318 static int kv_calculate_ds_divider(struct amdgpu_device *adev)
2319 {
2320 	struct kv_power_info *pi = kv_get_pi(adev);
2321 	u32 sclk_in_sr = 10000; /* ??? */
2322 	u32 i;
2323 
2324 	if (pi->lowest_valid > pi->highest_valid)
2325 		return -EINVAL;
2326 
2327 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2328 		pi->graphics_level[i].DeepSleepDivId =
2329 			kv_get_sleep_divider_id_from_clock(adev,
2330 							   be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2331 							   sclk_in_sr);
2332 	}
2333 	return 0;
2334 }
2335 
kv_calculate_nbps_level_settings(struct amdgpu_device * adev)2336 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
2337 {
2338 	struct kv_power_info *pi = kv_get_pi(adev);
2339 	u32 i;
2340 	bool force_high;
2341 	struct amdgpu_clock_and_voltage_limits *max_limits =
2342 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2343 	u32 mclk = max_limits->mclk;
2344 
2345 	if (pi->lowest_valid > pi->highest_valid)
2346 		return -EINVAL;
2347 
2348 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2349 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2350 			pi->graphics_level[i].GnbSlow = 1;
2351 			pi->graphics_level[i].ForceNbPs1 = 0;
2352 			pi->graphics_level[i].UpH = 0;
2353 		}
2354 
2355 		if (!pi->sys_info.nb_dpm_enable)
2356 			return 0;
2357 
2358 		force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2359 			      (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2360 
2361 		if (force_high) {
2362 			for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2363 				pi->graphics_level[i].GnbSlow = 0;
2364 		} else {
2365 			if (pi->battery_state)
2366 				pi->graphics_level[0].ForceNbPs1 = 1;
2367 
2368 			pi->graphics_level[1].GnbSlow = 0;
2369 			pi->graphics_level[2].GnbSlow = 0;
2370 			pi->graphics_level[3].GnbSlow = 0;
2371 			pi->graphics_level[4].GnbSlow = 0;
2372 		}
2373 	} else {
2374 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2375 			pi->graphics_level[i].GnbSlow = 1;
2376 			pi->graphics_level[i].ForceNbPs1 = 0;
2377 			pi->graphics_level[i].UpH = 0;
2378 		}
2379 
2380 		if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2381 			pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2382 			pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2383 			if (pi->lowest_valid != pi->highest_valid)
2384 				pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2385 		}
2386 	}
2387 	return 0;
2388 }
2389 
kv_calculate_dpm_settings(struct amdgpu_device * adev)2390 static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
2391 {
2392 	struct kv_power_info *pi = kv_get_pi(adev);
2393 	u32 i;
2394 
2395 	if (pi->lowest_valid > pi->highest_valid)
2396 		return -EINVAL;
2397 
2398 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2399 		pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2400 
2401 	return 0;
2402 }
2403 
kv_init_graphics_levels(struct amdgpu_device * adev)2404 static void kv_init_graphics_levels(struct amdgpu_device *adev)
2405 {
2406 	struct kv_power_info *pi = kv_get_pi(adev);
2407 	u32 i;
2408 	struct amdgpu_clock_voltage_dependency_table *table =
2409 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2410 
2411 	if (table && table->count) {
2412 		u32 vid_2bit;
2413 
2414 		pi->graphics_dpm_level_count = 0;
2415 		for (i = 0; i < table->count; i++) {
2416 			if (pi->high_voltage_t &&
2417 			    (pi->high_voltage_t <
2418 			     kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
2419 				break;
2420 
2421 			kv_set_divider_value(adev, i, table->entries[i].clk);
2422 			vid_2bit = kv_convert_vid7_to_vid2(adev,
2423 							   &pi->sys_info.vid_mapping_table,
2424 							   table->entries[i].v);
2425 			kv_set_vid(adev, i, vid_2bit);
2426 			kv_set_at(adev, i, pi->at[i]);
2427 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2428 			pi->graphics_dpm_level_count++;
2429 		}
2430 	} else {
2431 		struct sumo_sclk_voltage_mapping_table *table =
2432 			&pi->sys_info.sclk_voltage_mapping_table;
2433 
2434 		pi->graphics_dpm_level_count = 0;
2435 		for (i = 0; i < table->num_max_dpm_entries; i++) {
2436 			if (pi->high_voltage_t &&
2437 			    pi->high_voltage_t <
2438 			    kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
2439 				break;
2440 
2441 			kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
2442 			kv_set_vid(adev, i, table->entries[i].vid_2bit);
2443 			kv_set_at(adev, i, pi->at[i]);
2444 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2445 			pi->graphics_dpm_level_count++;
2446 		}
2447 	}
2448 
2449 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2450 		kv_dpm_power_level_enable(adev, i, false);
2451 }
2452 
kv_enable_new_levels(struct amdgpu_device * adev)2453 static void kv_enable_new_levels(struct amdgpu_device *adev)
2454 {
2455 	struct kv_power_info *pi = kv_get_pi(adev);
2456 	u32 i;
2457 
2458 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2459 		if (i >= pi->lowest_valid && i <= pi->highest_valid)
2460 			kv_dpm_power_level_enable(adev, i, true);
2461 	}
2462 }
2463 
kv_set_enabled_level(struct amdgpu_device * adev,u32 level)2464 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
2465 {
2466 	u32 new_mask = (1 << level);
2467 
2468 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2469 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2470 						 new_mask);
2471 }
2472 
kv_set_enabled_levels(struct amdgpu_device * adev)2473 static int kv_set_enabled_levels(struct amdgpu_device *adev)
2474 {
2475 	struct kv_power_info *pi = kv_get_pi(adev);
2476 	u32 i, new_mask = 0;
2477 
2478 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2479 		new_mask |= (1 << i);
2480 
2481 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2482 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2483 						 new_mask);
2484 }
2485 
kv_program_nbps_index_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)2486 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
2487 					   struct amdgpu_ps *new_rps)
2488 {
2489 	struct kv_ps *new_ps = kv_get_ps(new_rps);
2490 	struct kv_power_info *pi = kv_get_pi(adev);
2491 	u32 nbdpmconfig1;
2492 
2493 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2494 		return;
2495 
2496 	if (pi->sys_info.nb_dpm_enable) {
2497 		nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
2498 		nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
2499 				NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
2500 				NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
2501 				NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
2502 		nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
2503 				(new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
2504 				(new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
2505 				(new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
2506 		WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
2507 	}
2508 }
2509 
kv_set_thermal_temperature_range(struct amdgpu_device * adev,int min_temp,int max_temp)2510 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
2511 					    int min_temp, int max_temp)
2512 {
2513 	int low_temp = 0 * 1000;
2514 	int high_temp = 255 * 1000;
2515 	u32 tmp;
2516 
2517 	if (low_temp < min_temp)
2518 		low_temp = min_temp;
2519 	if (high_temp > max_temp)
2520 		high_temp = max_temp;
2521 	if (high_temp < low_temp) {
2522 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2523 		return -EINVAL;
2524 	}
2525 
2526 	tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
2527 	tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
2528 		CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
2529 	tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
2530 		((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
2531 	WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);
2532 
2533 	adev->pm.dpm.thermal.min_temp = low_temp;
2534 	adev->pm.dpm.thermal.max_temp = high_temp;
2535 
2536 	return 0;
2537 }
2538 
2539 union igp_info {
2540 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2541 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2542 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2543 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2544 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2545 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2546 };
2547 
kv_parse_sys_info_table(struct amdgpu_device * adev)2548 static int kv_parse_sys_info_table(struct amdgpu_device *adev)
2549 {
2550 	struct kv_power_info *pi = kv_get_pi(adev);
2551 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2552 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2553 	union igp_info *igp_info;
2554 	u8 frev, crev;
2555 	u16 data_offset;
2556 	int i;
2557 
2558 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2559 				   &frev, &crev, &data_offset)) {
2560 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
2561 					      data_offset);
2562 
2563 		if (crev != 8) {
2564 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2565 			return -EINVAL;
2566 		}
2567 		pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2568 		pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2569 		pi->sys_info.bootup_nb_voltage_index =
2570 			le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2571 		if (igp_info->info_8.ucHtcTmpLmt == 0)
2572 			pi->sys_info.htc_tmp_lmt = 203;
2573 		else
2574 			pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2575 		if (igp_info->info_8.ucHtcHystLmt == 0)
2576 			pi->sys_info.htc_hyst_lmt = 5;
2577 		else
2578 			pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2579 		if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2580 			DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2581 		}
2582 
2583 		if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2584 			pi->sys_info.nb_dpm_enable = true;
2585 		else
2586 			pi->sys_info.nb_dpm_enable = false;
2587 
2588 		for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2589 			pi->sys_info.nbp_memory_clock[i] =
2590 				le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2591 			pi->sys_info.nbp_n_clock[i] =
2592 				le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2593 		}
2594 		if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2595 		    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2596 			pi->caps_enable_dfs_bypass = true;
2597 
2598 		sumo_construct_sclk_voltage_mapping_table(adev,
2599 							  &pi->sys_info.sclk_voltage_mapping_table,
2600 							  igp_info->info_8.sAvail_SCLK);
2601 
2602 		sumo_construct_vid_mapping_table(adev,
2603 						 &pi->sys_info.vid_mapping_table,
2604 						 igp_info->info_8.sAvail_SCLK);
2605 
2606 		kv_construct_max_power_limits_table(adev,
2607 						    &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2608 	}
2609 	return 0;
2610 }
2611 
2612 union power_info {
2613 	struct _ATOM_POWERPLAY_INFO info;
2614 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2615 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2616 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2617 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2618 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2619 };
2620 
2621 union pplib_clock_info {
2622 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2623 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2624 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2625 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2626 };
2627 
2628 union pplib_power_state {
2629 	struct _ATOM_PPLIB_STATE v1;
2630 	struct _ATOM_PPLIB_STATE_V2 v2;
2631 };
2632 
kv_patch_boot_state(struct amdgpu_device * adev,struct kv_ps * ps)2633 static void kv_patch_boot_state(struct amdgpu_device *adev,
2634 				struct kv_ps *ps)
2635 {
2636 	struct kv_power_info *pi = kv_get_pi(adev);
2637 
2638 	ps->num_levels = 1;
2639 	ps->levels[0] = pi->boot_pl;
2640 }
2641 
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)2642 static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev,
2643 					  struct amdgpu_ps *rps,
2644 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2645 					  u8 table_rev)
2646 {
2647 	struct kv_ps *ps = kv_get_ps(rps);
2648 
2649 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2650 	rps->class = le16_to_cpu(non_clock_info->usClassification);
2651 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2652 
2653 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2654 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2655 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2656 	} else {
2657 		rps->vclk = 0;
2658 		rps->dclk = 0;
2659 	}
2660 
2661 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2662 		adev->pm.dpm.boot_ps = rps;
2663 		kv_patch_boot_state(adev, ps);
2664 	}
2665 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2666 		adev->pm.dpm.uvd_ps = rps;
2667 }
2668 
kv_parse_pplib_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,int index,union pplib_clock_info * clock_info)2669 static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
2670 				      struct amdgpu_ps *rps, int index,
2671 					union pplib_clock_info *clock_info)
2672 {
2673 	struct kv_power_info *pi = kv_get_pi(adev);
2674 	struct kv_ps *ps = kv_get_ps(rps);
2675 	struct kv_pl *pl = &ps->levels[index];
2676 	u32 sclk;
2677 
2678 	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2679 	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2680 	pl->sclk = sclk;
2681 	pl->vddc_index = clock_info->sumo.vddcIndex;
2682 
2683 	ps->num_levels = index + 1;
2684 
2685 	if (pi->caps_sclk_ds) {
2686 		pl->ds_divider_index = 5;
2687 		pl->ss_divider_index = 5;
2688 	}
2689 }
2690 
kv_parse_power_table(struct amdgpu_device * adev)2691 static int kv_parse_power_table(struct amdgpu_device *adev)
2692 {
2693 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2694 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2695 	union pplib_power_state *power_state;
2696 	int i, j, k, non_clock_array_index, clock_array_index;
2697 	union pplib_clock_info *clock_info;
2698 	struct _StateArray *state_array;
2699 	struct _ClockInfoArray *clock_info_array;
2700 	struct _NonClockInfoArray *non_clock_info_array;
2701 	union power_info *power_info;
2702 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2703 	u16 data_offset;
2704 	u8 frev, crev;
2705 	u8 *power_state_offset;
2706 	struct kv_ps *ps;
2707 
2708 	if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2709 				   &frev, &crev, &data_offset))
2710 		return -EINVAL;
2711 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2712 
2713 	amdgpu_add_thermal_controller(adev);
2714 
2715 	state_array = (struct _StateArray *)
2716 		(mode_info->atom_context->bios + data_offset +
2717 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2718 	clock_info_array = (struct _ClockInfoArray *)
2719 		(mode_info->atom_context->bios + data_offset +
2720 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2721 	non_clock_info_array = (struct _NonClockInfoArray *)
2722 		(mode_info->atom_context->bios + data_offset +
2723 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2724 
2725 	adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
2726 				  sizeof(struct amdgpu_ps),
2727 				  GFP_KERNEL);
2728 	if (!adev->pm.dpm.ps)
2729 		return -ENOMEM;
2730 	power_state_offset = (u8 *)state_array->states;
2731 	for (i = 0; i < state_array->ucNumEntries; i++) {
2732 		u8 *idx;
2733 		power_state = (union pplib_power_state *)power_state_offset;
2734 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2735 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2736 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2737 		ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2738 		if (ps == NULL)
2739 			return -ENOMEM;
2740 		adev->pm.dpm.ps[i].ps_priv = ps;
2741 		k = 0;
2742 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2743 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2744 			clock_array_index = idx[j];
2745 			if (clock_array_index >= clock_info_array->ucNumEntries)
2746 				continue;
2747 			if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2748 				break;
2749 			clock_info = (union pplib_clock_info *)
2750 				((u8 *)&clock_info_array->clockInfo[0] +
2751 				 (clock_array_index * clock_info_array->ucEntrySize));
2752 			kv_parse_pplib_clock_info(adev,
2753 						  &adev->pm.dpm.ps[i], k,
2754 						  clock_info);
2755 			k++;
2756 		}
2757 		kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
2758 					      non_clock_info,
2759 					      non_clock_info_array->ucEntrySize);
2760 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2761 	}
2762 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
2763 
2764 	/* fill in the vce power states */
2765 	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
2766 		u32 sclk;
2767 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
2768 		clock_info = (union pplib_clock_info *)
2769 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2770 		sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2771 		sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2772 		adev->pm.dpm.vce_states[i].sclk = sclk;
2773 		adev->pm.dpm.vce_states[i].mclk = 0;
2774 	}
2775 
2776 	return 0;
2777 }
2778 
kv_dpm_init(struct amdgpu_device * adev)2779 static int kv_dpm_init(struct amdgpu_device *adev)
2780 {
2781 	struct kv_power_info *pi;
2782 	int ret, i;
2783 
2784 	pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2785 	if (pi == NULL)
2786 		return -ENOMEM;
2787 	adev->pm.dpm.priv = pi;
2788 
2789 	ret = amdgpu_get_platform_caps(adev);
2790 	if (ret)
2791 		return ret;
2792 
2793 	ret = amdgpu_parse_extended_power_table(adev);
2794 	if (ret)
2795 		return ret;
2796 
2797 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2798 		pi->at[i] = TRINITY_AT_DFLT;
2799 
2800 	pi->sram_end = SMC_RAM_END;
2801 
2802 	pi->enable_nb_dpm = true;
2803 
2804 	pi->caps_power_containment = true;
2805 	pi->caps_cac = true;
2806 	pi->enable_didt = false;
2807 	if (pi->enable_didt) {
2808 		pi->caps_sq_ramping = true;
2809 		pi->caps_db_ramping = true;
2810 		pi->caps_td_ramping = true;
2811 		pi->caps_tcp_ramping = true;
2812 	}
2813 
2814 	if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
2815 		pi->caps_sclk_ds = true;
2816 	else
2817 		pi->caps_sclk_ds = false;
2818 
2819 	pi->enable_auto_thermal_throttling = true;
2820 	pi->disable_nb_ps3_in_battery = false;
2821 	if (amdgpu_bapm == 0)
2822 		pi->bapm_enable = false;
2823 	else
2824 		pi->bapm_enable = true;
2825 	pi->voltage_drop_t = 0;
2826 	pi->caps_sclk_throttle_low_notification = false;
2827 	pi->caps_fps = false; /* true? */
2828 	pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false;
2829 	pi->caps_uvd_dpm = true;
2830 	pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false;
2831 	pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false;
2832 	pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false;
2833 	pi->caps_stable_p_state = false;
2834 
2835 	ret = kv_parse_sys_info_table(adev);
2836 	if (ret)
2837 		return ret;
2838 
2839 	kv_patch_voltage_values(adev);
2840 	kv_construct_boot_state(adev);
2841 
2842 	ret = kv_parse_power_table(adev);
2843 	if (ret)
2844 		return ret;
2845 
2846 	pi->enable_dpm = true;
2847 
2848 	return 0;
2849 }
2850 
2851 static void
kv_dpm_debugfs_print_current_performance_level(void * handle,struct seq_file * m)2852 kv_dpm_debugfs_print_current_performance_level(void *handle,
2853 					       struct seq_file *m)
2854 {
2855 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2856 	struct kv_power_info *pi = kv_get_pi(adev);
2857 	u32 current_index =
2858 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
2859 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
2860 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
2861 	u32 sclk, tmp;
2862 	u16 vddc;
2863 
2864 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2865 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2866 	} else {
2867 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2868 		tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
2869 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2870 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
2871 		vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
2872 		seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2873 		seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2874 		seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2875 			   current_index, sclk, vddc);
2876 	}
2877 }
2878 
2879 static void
kv_dpm_print_power_state(void * handle,void * request_ps)2880 kv_dpm_print_power_state(void *handle, void *request_ps)
2881 {
2882 	int i;
2883 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
2884 	struct kv_ps *ps = kv_get_ps(rps);
2885 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2886 
2887 	amdgpu_dpm_print_class_info(rps->class, rps->class2);
2888 	amdgpu_dpm_print_cap_info(rps->caps);
2889 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2890 	for (i = 0; i < ps->num_levels; i++) {
2891 		struct kv_pl *pl = &ps->levels[i];
2892 		printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2893 		       i, pl->sclk,
2894 		       kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
2895 	}
2896 	amdgpu_dpm_print_ps_status(adev, rps);
2897 }
2898 
kv_dpm_fini(struct amdgpu_device * adev)2899 static void kv_dpm_fini(struct amdgpu_device *adev)
2900 {
2901 	int i;
2902 
2903 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2904 		kfree(adev->pm.dpm.ps[i].ps_priv);
2905 	}
2906 	kfree(adev->pm.dpm.ps);
2907 	kfree(adev->pm.dpm.priv);
2908 	amdgpu_free_extended_power_table(adev);
2909 }
2910 
kv_dpm_display_configuration_changed(void * handle)2911 static void kv_dpm_display_configuration_changed(void *handle)
2912 {
2913 
2914 }
2915 
kv_dpm_get_sclk(void * handle,bool low)2916 static u32 kv_dpm_get_sclk(void *handle, bool low)
2917 {
2918 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2919 	struct kv_power_info *pi = kv_get_pi(adev);
2920 	struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2921 
2922 	if (low)
2923 		return requested_state->levels[0].sclk;
2924 	else
2925 		return requested_state->levels[requested_state->num_levels - 1].sclk;
2926 }
2927 
kv_dpm_get_mclk(void * handle,bool low)2928 static u32 kv_dpm_get_mclk(void *handle, bool low)
2929 {
2930 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2931 	struct kv_power_info *pi = kv_get_pi(adev);
2932 
2933 	return pi->sys_info.bootup_uma_clk;
2934 }
2935 
2936 /* get temperature in millidegrees */
kv_dpm_get_temp(void * handle)2937 static int kv_dpm_get_temp(void *handle)
2938 {
2939 	u32 temp;
2940 	int actual_temp = 0;
2941 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2942 
2943 	temp = RREG32_SMC(0xC0300E0C);
2944 
2945 	if (temp)
2946 		actual_temp = (temp / 8) - 49;
2947 	else
2948 		actual_temp = 0;
2949 
2950 	actual_temp = actual_temp * 1000;
2951 
2952 	return actual_temp;
2953 }
2954 
kv_dpm_early_init(void * handle)2955 static int kv_dpm_early_init(void *handle)
2956 {
2957 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2958 
2959 	adev->powerplay.pp_funcs = &kv_dpm_funcs;
2960 	adev->powerplay.pp_handle = adev;
2961 	kv_dpm_set_irq_funcs(adev);
2962 
2963 	return 0;
2964 }
2965 
kv_dpm_late_init(void * handle)2966 static int kv_dpm_late_init(void *handle)
2967 {
2968 	/* powerdown unused blocks for now */
2969 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2970 
2971 	if (!adev->pm.dpm_enabled)
2972 		return 0;
2973 
2974 	kv_dpm_powergate_acp(adev, true);
2975 	kv_dpm_powergate_samu(adev, true);
2976 
2977 	return 0;
2978 }
2979 
kv_dpm_sw_init(void * handle)2980 static int kv_dpm_sw_init(void *handle)
2981 {
2982 	int ret;
2983 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2984 
2985 	ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 230,
2986 				&adev->pm.dpm.thermal.irq);
2987 	if (ret)
2988 		return ret;
2989 
2990 	ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 231,
2991 				&adev->pm.dpm.thermal.irq);
2992 	if (ret)
2993 		return ret;
2994 
2995 	/* default to balanced state */
2996 	adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
2997 	adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
2998 	adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO;
2999 	adev->pm.default_sclk = adev->clock.default_sclk;
3000 	adev->pm.default_mclk = adev->clock.default_mclk;
3001 	adev->pm.current_sclk = adev->clock.default_sclk;
3002 	adev->pm.current_mclk = adev->clock.default_mclk;
3003 	adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
3004 
3005 	if (amdgpu_dpm == 0)
3006 		return 0;
3007 
3008 	INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
3009 	ret = kv_dpm_init(adev);
3010 	if (ret)
3011 		goto dpm_failed;
3012 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3013 	if (amdgpu_dpm == 1)
3014 		amdgpu_pm_print_power_states(adev);
3015 	DRM_INFO("amdgpu: dpm initialized\n");
3016 
3017 	return 0;
3018 
3019 dpm_failed:
3020 	kv_dpm_fini(adev);
3021 	DRM_ERROR("amdgpu: dpm initialization failed\n");
3022 	return ret;
3023 }
3024 
kv_dpm_sw_fini(void * handle)3025 static int kv_dpm_sw_fini(void *handle)
3026 {
3027 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3028 
3029 	flush_work(&adev->pm.dpm.thermal.work);
3030 
3031 	kv_dpm_fini(adev);
3032 
3033 	return 0;
3034 }
3035 
kv_dpm_hw_init(void * handle)3036 static int kv_dpm_hw_init(void *handle)
3037 {
3038 	int ret;
3039 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3040 
3041 	if (!amdgpu_dpm)
3042 		return 0;
3043 
3044 	kv_dpm_setup_asic(adev);
3045 	ret = kv_dpm_enable(adev);
3046 	if (ret)
3047 		adev->pm.dpm_enabled = false;
3048 	else
3049 		adev->pm.dpm_enabled = true;
3050 	amdgpu_legacy_dpm_compute_clocks(adev);
3051 	return ret;
3052 }
3053 
kv_dpm_hw_fini(void * handle)3054 static int kv_dpm_hw_fini(void *handle)
3055 {
3056 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3057 
3058 	if (adev->pm.dpm_enabled)
3059 		kv_dpm_disable(adev);
3060 
3061 	return 0;
3062 }
3063 
kv_dpm_suspend(void * handle)3064 static int kv_dpm_suspend(void *handle)
3065 {
3066 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3067 
3068 	if (adev->pm.dpm_enabled) {
3069 		/* disable dpm */
3070 		kv_dpm_disable(adev);
3071 		/* reset the power state */
3072 		adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3073 	}
3074 	return 0;
3075 }
3076 
kv_dpm_resume(void * handle)3077 static int kv_dpm_resume(void *handle)
3078 {
3079 	int ret;
3080 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3081 
3082 	if (adev->pm.dpm_enabled) {
3083 		/* asic init will reset to the boot state */
3084 		kv_dpm_setup_asic(adev);
3085 		ret = kv_dpm_enable(adev);
3086 		if (ret)
3087 			adev->pm.dpm_enabled = false;
3088 		else
3089 			adev->pm.dpm_enabled = true;
3090 		if (adev->pm.dpm_enabled)
3091 			amdgpu_legacy_dpm_compute_clocks(adev);
3092 	}
3093 	return 0;
3094 }
3095 
kv_dpm_is_idle(void * handle)3096 static bool kv_dpm_is_idle(void *handle)
3097 {
3098 	return true;
3099 }
3100 
kv_dpm_wait_for_idle(void * handle)3101 static int kv_dpm_wait_for_idle(void *handle)
3102 {
3103 	return 0;
3104 }
3105 
3106 
kv_dpm_soft_reset(void * handle)3107 static int kv_dpm_soft_reset(void *handle)
3108 {
3109 	return 0;
3110 }
3111 
kv_dpm_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3112 static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev,
3113 				      struct amdgpu_irq_src *src,
3114 				      unsigned type,
3115 				      enum amdgpu_interrupt_state state)
3116 {
3117 	u32 cg_thermal_int;
3118 
3119 	switch (type) {
3120 	case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
3121 		switch (state) {
3122 		case AMDGPU_IRQ_STATE_DISABLE:
3123 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3124 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3125 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3126 			break;
3127 		case AMDGPU_IRQ_STATE_ENABLE:
3128 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3129 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3130 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3131 			break;
3132 		default:
3133 			break;
3134 		}
3135 		break;
3136 
3137 	case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
3138 		switch (state) {
3139 		case AMDGPU_IRQ_STATE_DISABLE:
3140 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3141 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3142 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3143 			break;
3144 		case AMDGPU_IRQ_STATE_ENABLE:
3145 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3146 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3147 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3148 			break;
3149 		default:
3150 			break;
3151 		}
3152 		break;
3153 
3154 	default:
3155 		break;
3156 	}
3157 	return 0;
3158 }
3159 
kv_dpm_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3160 static int kv_dpm_process_interrupt(struct amdgpu_device *adev,
3161 				    struct amdgpu_irq_src *source,
3162 				    struct amdgpu_iv_entry *entry)
3163 {
3164 	bool queue_thermal = false;
3165 
3166 	if (entry == NULL)
3167 		return -EINVAL;
3168 
3169 	switch (entry->src_id) {
3170 	case 230: /* thermal low to high */
3171 		DRM_DEBUG("IH: thermal low to high\n");
3172 		adev->pm.dpm.thermal.high_to_low = false;
3173 		queue_thermal = true;
3174 		break;
3175 	case 231: /* thermal high to low */
3176 		DRM_DEBUG("IH: thermal high to low\n");
3177 		adev->pm.dpm.thermal.high_to_low = true;
3178 		queue_thermal = true;
3179 		break;
3180 	default:
3181 		break;
3182 	}
3183 
3184 	if (queue_thermal)
3185 		schedule_work(&adev->pm.dpm.thermal.work);
3186 
3187 	return 0;
3188 }
3189 
kv_dpm_set_clockgating_state(void * handle,enum amd_clockgating_state state)3190 static int kv_dpm_set_clockgating_state(void *handle,
3191 					  enum amd_clockgating_state state)
3192 {
3193 	return 0;
3194 }
3195 
kv_dpm_set_powergating_state(void * handle,enum amd_powergating_state state)3196 static int kv_dpm_set_powergating_state(void *handle,
3197 					  enum amd_powergating_state state)
3198 {
3199 	return 0;
3200 }
3201 
kv_are_power_levels_equal(const struct kv_pl * kv_cpl1,const struct kv_pl * kv_cpl2)3202 static inline bool kv_are_power_levels_equal(const struct kv_pl *kv_cpl1,
3203 						const struct kv_pl *kv_cpl2)
3204 {
3205 	return ((kv_cpl1->sclk == kv_cpl2->sclk) &&
3206 		  (kv_cpl1->vddc_index == kv_cpl2->vddc_index) &&
3207 		  (kv_cpl1->ds_divider_index == kv_cpl2->ds_divider_index) &&
3208 		  (kv_cpl1->force_nbp_state == kv_cpl2->force_nbp_state));
3209 }
3210 
kv_check_state_equal(void * handle,void * current_ps,void * request_ps,bool * equal)3211 static int kv_check_state_equal(void *handle,
3212 				void *current_ps,
3213 				void *request_ps,
3214 				bool *equal)
3215 {
3216 	struct kv_ps *kv_cps;
3217 	struct kv_ps *kv_rps;
3218 	int i;
3219 	struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps;
3220 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
3221 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3222 
3223 	if (adev == NULL || cps == NULL || rps == NULL || equal == NULL)
3224 		return -EINVAL;
3225 
3226 	kv_cps = kv_get_ps(cps);
3227 	kv_rps = kv_get_ps(rps);
3228 
3229 	if (kv_cps == NULL) {
3230 		*equal = false;
3231 		return 0;
3232 	}
3233 
3234 	if (kv_cps->num_levels != kv_rps->num_levels) {
3235 		*equal = false;
3236 		return 0;
3237 	}
3238 
3239 	for (i = 0; i < kv_cps->num_levels; i++) {
3240 		if (!kv_are_power_levels_equal(&(kv_cps->levels[i]),
3241 					&(kv_rps->levels[i]))) {
3242 			*equal = false;
3243 			return 0;
3244 		}
3245 	}
3246 
3247 	/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
3248 	*equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk));
3249 	*equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk));
3250 
3251 	return 0;
3252 }
3253 
kv_dpm_read_sensor(void * handle,int idx,void * value,int * size)3254 static int kv_dpm_read_sensor(void *handle, int idx,
3255 			      void *value, int *size)
3256 {
3257 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3258 	struct kv_power_info *pi = kv_get_pi(adev);
3259 	uint32_t sclk;
3260 	u32 pl_index =
3261 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
3262 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
3263 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
3264 
3265 	/* size must be at least 4 bytes for all sensors */
3266 	if (*size < 4)
3267 		return -EINVAL;
3268 
3269 	switch (idx) {
3270 	case AMDGPU_PP_SENSOR_GFX_SCLK:
3271 		if (pl_index < SMU__NUM_SCLK_DPM_STATE) {
3272 			sclk = be32_to_cpu(
3273 				pi->graphics_level[pl_index].SclkFrequency);
3274 			*((uint32_t *)value) = sclk;
3275 			*size = 4;
3276 			return 0;
3277 		}
3278 		return -EINVAL;
3279 	case AMDGPU_PP_SENSOR_GPU_TEMP:
3280 		*((uint32_t *)value) = kv_dpm_get_temp(adev);
3281 		*size = 4;
3282 		return 0;
3283 	default:
3284 		return -EOPNOTSUPP;
3285 	}
3286 }
3287 
kv_set_powergating_by_smu(void * handle,uint32_t block_type,bool gate)3288 static int kv_set_powergating_by_smu(void *handle,
3289 				uint32_t block_type, bool gate)
3290 {
3291 	switch (block_type) {
3292 	case AMD_IP_BLOCK_TYPE_UVD:
3293 		kv_dpm_powergate_uvd(handle, gate);
3294 		break;
3295 	case AMD_IP_BLOCK_TYPE_VCE:
3296 		kv_dpm_powergate_vce(handle, gate);
3297 		break;
3298 	default:
3299 		break;
3300 	}
3301 	return 0;
3302 }
3303 
3304 static const struct amd_ip_funcs kv_dpm_ip_funcs = {
3305 	.name = "kv_dpm",
3306 	.early_init = kv_dpm_early_init,
3307 	.late_init = kv_dpm_late_init,
3308 	.sw_init = kv_dpm_sw_init,
3309 	.sw_fini = kv_dpm_sw_fini,
3310 	.hw_init = kv_dpm_hw_init,
3311 	.hw_fini = kv_dpm_hw_fini,
3312 	.suspend = kv_dpm_suspend,
3313 	.resume = kv_dpm_resume,
3314 	.is_idle = kv_dpm_is_idle,
3315 	.wait_for_idle = kv_dpm_wait_for_idle,
3316 	.soft_reset = kv_dpm_soft_reset,
3317 	.set_clockgating_state = kv_dpm_set_clockgating_state,
3318 	.set_powergating_state = kv_dpm_set_powergating_state,
3319 };
3320 
3321 const struct amdgpu_ip_block_version kv_smu_ip_block = {
3322 	.type = AMD_IP_BLOCK_TYPE_SMC,
3323 	.major = 1,
3324 	.minor = 0,
3325 	.rev = 0,
3326 	.funcs = &kv_dpm_ip_funcs,
3327 };
3328 
3329 static const struct amd_pm_funcs kv_dpm_funcs = {
3330 	.pre_set_power_state = &kv_dpm_pre_set_power_state,
3331 	.set_power_state = &kv_dpm_set_power_state,
3332 	.post_set_power_state = &kv_dpm_post_set_power_state,
3333 	.display_configuration_changed = &kv_dpm_display_configuration_changed,
3334 	.get_sclk = &kv_dpm_get_sclk,
3335 	.get_mclk = &kv_dpm_get_mclk,
3336 	.print_power_state = &kv_dpm_print_power_state,
3337 	.debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
3338 	.force_performance_level = &kv_dpm_force_performance_level,
3339 	.set_powergating_by_smu = kv_set_powergating_by_smu,
3340 	.enable_bapm = &kv_dpm_enable_bapm,
3341 	.get_vce_clock_state = amdgpu_get_vce_clock_state,
3342 	.check_state_equal = kv_check_state_equal,
3343 	.read_sensor = &kv_dpm_read_sensor,
3344 	.pm_compute_clocks = amdgpu_legacy_dpm_compute_clocks,
3345 };
3346 
3347 static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
3348 	.set = kv_dpm_set_interrupt_state,
3349 	.process = kv_dpm_process_interrupt,
3350 };
3351 
kv_dpm_set_irq_funcs(struct amdgpu_device * adev)3352 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev)
3353 {
3354 	adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
3355 	adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs;
3356 }
3357