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 <drm/drmP.h>
25 #include "amdgpu.h"
26 #include "amdgpu_pm.h"
27 #include "cikd.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_dpm.h"
31 #include "kv_dpm.h"
32 #include "gfx_v7_0.h"
33 #include <linux/seq_file.h>
34 
35 #include "smu/smu_7_0_0_d.h"
36 #include "smu/smu_7_0_0_sh_mask.h"
37 
38 #include "gca/gfx_7_2_d.h"
39 #include "gca/gfx_7_2_sh_mask.h"
40 
41 #define KV_MAX_DEEPSLEEP_DIVIDER_ID     5
42 #define KV_MINIMUM_ENGINE_CLOCK         800
43 #define SMC_RAM_END                     0x40000
44 
45 static 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 {
196 	{  0,       4,        1    },
197 	{  1,       4,        1    },
198 	{  2,       5,        1    },
199 	{  3,       4,        2    },
200 	{  4,       1,        1    },
201 	{  5,       5,        2    },
202 	{  6,       6,        1    },
203 	{  7,       9,        2    },
204 	{ 0xffffffff }
205 };
206 
207 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
208 {
209 	{  0,       4,        1    },
210 	{ 0xffffffff }
211 };
212 
213 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
214 {
215 	{  0,       4,        1    },
216 	{ 0xffffffff }
217 };
218 
219 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
220 {
221 	{  0,       4,        1    },
222 	{ 0xffffffff }
223 };
224 
225 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
226 {
227 	{  0,       4,        1    },
228 	{ 0xffffffff }
229 };
230 
231 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
232 {
233 	{  0,       4,        1    },
234 	{  1,       4,        1    },
235 	{  2,       5,        1    },
236 	{  3,       4,        1    },
237 	{  4,       1,        1    },
238 	{  5,       5,        1    },
239 	{  6,       6,        1    },
240 	{  7,       9,        1    },
241 	{  8,       4,        1    },
242 	{  9,       2,        1    },
243 	{  10,      3,        1    },
244 	{  11,      6,        1    },
245 	{  12,      8,        2    },
246 	{  13,      1,        1    },
247 	{  14,      2,        1    },
248 	{  15,      3,        1    },
249 	{  16,      1,        1    },
250 	{  17,      4,        1    },
251 	{  18,      3,        1    },
252 	{  19,      1,        1    },
253 	{  20,      8,        1    },
254 	{  21,      5,        1    },
255 	{  22,      1,        1    },
256 	{  23,      1,        1    },
257 	{  24,      4,        1    },
258 	{  27,      6,        1    },
259 	{  28,      1,        1    },
260 	{ 0xffffffff }
261 };
262 
263 static const struct kv_lcac_config_reg sx0_cac_config_reg[] =
264 {
265 	{ 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
266 };
267 
268 static const struct kv_lcac_config_reg mc0_cac_config_reg[] =
269 {
270 	{ 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
271 };
272 
273 static const struct kv_lcac_config_reg mc1_cac_config_reg[] =
274 {
275 	{ 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
276 };
277 
278 static const struct kv_lcac_config_reg mc2_cac_config_reg[] =
279 {
280 	{ 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
281 };
282 
283 static const struct kv_lcac_config_reg mc3_cac_config_reg[] =
284 {
285 	{ 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
286 };
287 
288 static const struct kv_lcac_config_reg cpl_cac_config_reg[] =
289 {
290 	{ 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
291 };
292 #endif
293 
294 static const struct kv_pt_config_reg didt_config_kv[] =
295 {
296 	{ 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
297 	{ 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
298 	{ 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
299 	{ 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
300 	{ 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
301 	{ 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
302 	{ 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
303 	{ 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
304 	{ 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
305 	{ 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
306 	{ 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
307 	{ 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
308 	{ 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
309 	{ 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
310 	{ 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
311 	{ 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
312 	{ 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
313 	{ 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
314 	{ 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
315 	{ 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
316 	{ 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
317 	{ 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
318 	{ 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
319 	{ 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
320 	{ 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
321 	{ 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
322 	{ 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
323 	{ 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
324 	{ 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
325 	{ 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
326 	{ 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
327 	{ 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
328 	{ 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
329 	{ 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
330 	{ 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
331 	{ 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
332 	{ 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
333 	{ 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
334 	{ 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
335 	{ 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
336 	{ 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
337 	{ 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
338 	{ 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
339 	{ 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
340 	{ 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
341 	{ 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
342 	{ 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
343 	{ 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
344 	{ 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
345 	{ 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
346 	{ 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
347 	{ 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
348 	{ 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
349 	{ 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
350 	{ 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
351 	{ 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
352 	{ 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
353 	{ 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
354 	{ 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
355 	{ 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
356 	{ 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
357 	{ 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
358 	{ 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
359 	{ 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
360 	{ 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
361 	{ 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
362 	{ 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
363 	{ 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
364 	{ 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
365 	{ 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
366 	{ 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
367 	{ 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
368 	{ 0xFFFFFFFF }
369 };
370 
kv_get_ps(struct amdgpu_ps * rps)371 static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
372 {
373 	struct kv_ps *ps = rps->ps_priv;
374 
375 	return ps;
376 }
377 
kv_get_pi(struct amdgpu_device * adev)378 static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
379 {
380 	struct kv_power_info *pi = adev->pm.dpm.priv;
381 
382 	return pi;
383 }
384 
385 #if 0
386 static void kv_program_local_cac_table(struct amdgpu_device *adev,
387 				       const struct kv_lcac_config_values *local_cac_table,
388 				       const struct kv_lcac_config_reg *local_cac_reg)
389 {
390 	u32 i, count, data;
391 	const struct kv_lcac_config_values *values = local_cac_table;
392 
393 	while (values->block_id != 0xffffffff) {
394 		count = values->signal_id;
395 		for (i = 0; i < count; i++) {
396 			data = ((values->block_id << local_cac_reg->block_shift) &
397 				local_cac_reg->block_mask);
398 			data |= ((i << local_cac_reg->signal_shift) &
399 				 local_cac_reg->signal_mask);
400 			data |= ((values->t << local_cac_reg->t_shift) &
401 				 local_cac_reg->t_mask);
402 			data |= ((1 << local_cac_reg->enable_shift) &
403 				 local_cac_reg->enable_mask);
404 			WREG32_SMC(local_cac_reg->cntl, data);
405 		}
406 		values++;
407 	}
408 }
409 #endif
410 
kv_program_pt_config_registers(struct amdgpu_device * adev,const struct kv_pt_config_reg * cac_config_regs)411 static int kv_program_pt_config_registers(struct amdgpu_device *adev,
412 					  const struct kv_pt_config_reg *cac_config_regs)
413 {
414 	const struct kv_pt_config_reg *config_regs = cac_config_regs;
415 	u32 data;
416 	u32 cache = 0;
417 
418 	if (config_regs == NULL)
419 		return -EINVAL;
420 
421 	while (config_regs->offset != 0xFFFFFFFF) {
422 		if (config_regs->type == KV_CONFIGREG_CACHE) {
423 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
424 		} else {
425 			switch (config_regs->type) {
426 			case KV_CONFIGREG_SMC_IND:
427 				data = RREG32_SMC(config_regs->offset);
428 				break;
429 			case KV_CONFIGREG_DIDT_IND:
430 				data = RREG32_DIDT(config_regs->offset);
431 				break;
432 			default:
433 				data = RREG32(config_regs->offset);
434 				break;
435 			}
436 
437 			data &= ~config_regs->mask;
438 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
439 			data |= cache;
440 			cache = 0;
441 
442 			switch (config_regs->type) {
443 			case KV_CONFIGREG_SMC_IND:
444 				WREG32_SMC(config_regs->offset, data);
445 				break;
446 			case KV_CONFIGREG_DIDT_IND:
447 				WREG32_DIDT(config_regs->offset, data);
448 				break;
449 			default:
450 				WREG32(config_regs->offset, data);
451 				break;
452 			}
453 		}
454 		config_regs++;
455 	}
456 
457 	return 0;
458 }
459 
kv_do_enable_didt(struct amdgpu_device * adev,bool enable)460 static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
461 {
462 	struct kv_power_info *pi = kv_get_pi(adev);
463 	u32 data;
464 
465 	if (pi->caps_sq_ramping) {
466 		data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
467 		if (enable)
468 			data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
469 		else
470 			data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
471 		WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
472 	}
473 
474 	if (pi->caps_db_ramping) {
475 		data = RREG32_DIDT(ixDIDT_DB_CTRL0);
476 		if (enable)
477 			data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
478 		else
479 			data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
480 		WREG32_DIDT(ixDIDT_DB_CTRL0, data);
481 	}
482 
483 	if (pi->caps_td_ramping) {
484 		data = RREG32_DIDT(ixDIDT_TD_CTRL0);
485 		if (enable)
486 			data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
487 		else
488 			data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
489 		WREG32_DIDT(ixDIDT_TD_CTRL0, data);
490 	}
491 
492 	if (pi->caps_tcp_ramping) {
493 		data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
494 		if (enable)
495 			data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
496 		else
497 			data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
498 		WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
499 	}
500 }
501 
kv_enable_didt(struct amdgpu_device * adev,bool enable)502 static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
503 {
504 	struct kv_power_info *pi = kv_get_pi(adev);
505 	int ret;
506 
507 	if (pi->caps_sq_ramping ||
508 	    pi->caps_db_ramping ||
509 	    pi->caps_td_ramping ||
510 	    pi->caps_tcp_ramping) {
511 		adev->gfx.rlc.funcs->enter_safe_mode(adev);
512 
513 		if (enable) {
514 			ret = kv_program_pt_config_registers(adev, didt_config_kv);
515 			if (ret) {
516 				adev->gfx.rlc.funcs->exit_safe_mode(adev);
517 				return ret;
518 			}
519 		}
520 
521 		kv_do_enable_didt(adev, enable);
522 
523 		adev->gfx.rlc.funcs->exit_safe_mode(adev);
524 	}
525 
526 	return 0;
527 }
528 
529 #if 0
530 static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
531 {
532 	struct kv_power_info *pi = kv_get_pi(adev);
533 
534 	if (pi->caps_cac) {
535 		WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
536 		WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
537 		kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
538 
539 		WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
540 		WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
541 		kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
542 
543 		WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
544 		WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
545 		kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
546 
547 		WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
548 		WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
549 		kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
550 
551 		WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
552 		WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
553 		kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
554 
555 		WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
556 		WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
557 		kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
558 	}
559 }
560 #endif
561 
kv_enable_smc_cac(struct amdgpu_device * adev,bool enable)562 static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
563 {
564 	struct kv_power_info *pi = kv_get_pi(adev);
565 	int ret = 0;
566 
567 	if (pi->caps_cac) {
568 		if (enable) {
569 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
570 			if (ret)
571 				pi->cac_enabled = false;
572 			else
573 				pi->cac_enabled = true;
574 		} else if (pi->cac_enabled) {
575 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
576 			pi->cac_enabled = false;
577 		}
578 	}
579 
580 	return ret;
581 }
582 
kv_process_firmware_header(struct amdgpu_device * adev)583 static int kv_process_firmware_header(struct amdgpu_device *adev)
584 {
585 	struct kv_power_info *pi = kv_get_pi(adev);
586 	u32 tmp;
587 	int ret;
588 
589 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
590 				     offsetof(SMU7_Firmware_Header, DpmTable),
591 				     &tmp, pi->sram_end);
592 
593 	if (ret == 0)
594 		pi->dpm_table_start = tmp;
595 
596 	ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
597 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
598 				     &tmp, pi->sram_end);
599 
600 	if (ret == 0)
601 		pi->soft_regs_start = tmp;
602 
603 	return ret;
604 }
605 
kv_enable_dpm_voltage_scaling(struct amdgpu_device * adev)606 static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
607 {
608 	struct kv_power_info *pi = kv_get_pi(adev);
609 	int ret;
610 
611 	pi->graphics_voltage_change_enable = 1;
612 
613 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
614 				   pi->dpm_table_start +
615 				   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
616 				   &pi->graphics_voltage_change_enable,
617 				   sizeof(u8), pi->sram_end);
618 
619 	return ret;
620 }
621 
kv_set_dpm_interval(struct amdgpu_device * adev)622 static int kv_set_dpm_interval(struct amdgpu_device *adev)
623 {
624 	struct kv_power_info *pi = kv_get_pi(adev);
625 	int ret;
626 
627 	pi->graphics_interval = 1;
628 
629 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
630 				   pi->dpm_table_start +
631 				   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
632 				   &pi->graphics_interval,
633 				   sizeof(u8), pi->sram_end);
634 
635 	return ret;
636 }
637 
kv_set_dpm_boot_state(struct amdgpu_device * adev)638 static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
639 {
640 	struct kv_power_info *pi = kv_get_pi(adev);
641 	int ret;
642 
643 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
644 				   pi->dpm_table_start +
645 				   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
646 				   &pi->graphics_boot_level,
647 				   sizeof(u8), pi->sram_end);
648 
649 	return ret;
650 }
651 
kv_program_vc(struct amdgpu_device * adev)652 static void kv_program_vc(struct amdgpu_device *adev)
653 {
654 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
655 }
656 
kv_clear_vc(struct amdgpu_device * adev)657 static void kv_clear_vc(struct amdgpu_device *adev)
658 {
659 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
660 }
661 
kv_set_divider_value(struct amdgpu_device * adev,u32 index,u32 sclk)662 static int kv_set_divider_value(struct amdgpu_device *adev,
663 				u32 index, u32 sclk)
664 {
665 	struct kv_power_info *pi = kv_get_pi(adev);
666 	struct atom_clock_dividers dividers;
667 	int ret;
668 
669 	ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
670 						 sclk, false, &dividers);
671 	if (ret)
672 		return ret;
673 
674 	pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
675 	pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
676 
677 	return 0;
678 }
679 
kv_convert_8bit_index_to_voltage(struct amdgpu_device * adev,u16 voltage)680 static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
681 					    u16 voltage)
682 {
683 	return 6200 - (voltage * 25);
684 }
685 
kv_convert_2bit_index_to_voltage(struct amdgpu_device * adev,u32 vid_2bit)686 static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
687 					    u32 vid_2bit)
688 {
689 	struct kv_power_info *pi = kv_get_pi(adev);
690 	u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
691 					       &pi->sys_info.vid_mapping_table,
692 					       vid_2bit);
693 
694 	return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
695 }
696 
697 
kv_set_vid(struct amdgpu_device * adev,u32 index,u32 vid)698 static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
699 {
700 	struct kv_power_info *pi = kv_get_pi(adev);
701 
702 	pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
703 	pi->graphics_level[index].MinVddNb =
704 		cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));
705 
706 	return 0;
707 }
708 
kv_set_at(struct amdgpu_device * adev,u32 index,u32 at)709 static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
710 {
711 	struct kv_power_info *pi = kv_get_pi(adev);
712 
713 	pi->graphics_level[index].AT = cpu_to_be16((u16)at);
714 
715 	return 0;
716 }
717 
kv_dpm_power_level_enable(struct amdgpu_device * adev,u32 index,bool enable)718 static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
719 				      u32 index, bool enable)
720 {
721 	struct kv_power_info *pi = kv_get_pi(adev);
722 
723 	pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
724 }
725 
kv_start_dpm(struct amdgpu_device * adev)726 static void kv_start_dpm(struct amdgpu_device *adev)
727 {
728 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
729 
730 	tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
731 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
732 
733 	amdgpu_kv_smc_dpm_enable(adev, true);
734 }
735 
kv_stop_dpm(struct amdgpu_device * adev)736 static void kv_stop_dpm(struct amdgpu_device *adev)
737 {
738 	amdgpu_kv_smc_dpm_enable(adev, false);
739 }
740 
kv_start_am(struct amdgpu_device * adev)741 static void kv_start_am(struct amdgpu_device *adev)
742 {
743 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
744 
745 	sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
746 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
747 	sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
748 
749 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
750 }
751 
kv_reset_am(struct amdgpu_device * adev)752 static void kv_reset_am(struct amdgpu_device *adev)
753 {
754 	u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
755 
756 	sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
757 			SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
758 
759 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
760 }
761 
kv_freeze_sclk_dpm(struct amdgpu_device * adev,bool freeze)762 static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
763 {
764 	return amdgpu_kv_notify_message_to_smu(adev, freeze ?
765 					PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
766 }
767 
kv_force_lowest_valid(struct amdgpu_device * adev)768 static int kv_force_lowest_valid(struct amdgpu_device *adev)
769 {
770 	return kv_force_dpm_lowest(adev);
771 }
772 
kv_unforce_levels(struct amdgpu_device * adev)773 static int kv_unforce_levels(struct amdgpu_device *adev)
774 {
775 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
776 		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
777 	else
778 		return kv_set_enabled_levels(adev);
779 }
780 
kv_update_sclk_t(struct amdgpu_device * adev)781 static int kv_update_sclk_t(struct amdgpu_device *adev)
782 {
783 	struct kv_power_info *pi = kv_get_pi(adev);
784 	u32 low_sclk_interrupt_t = 0;
785 	int ret = 0;
786 
787 	if (pi->caps_sclk_throttle_low_notification) {
788 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
789 
790 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
791 					   pi->dpm_table_start +
792 					   offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
793 					   (u8 *)&low_sclk_interrupt_t,
794 					   sizeof(u32), pi->sram_end);
795 	}
796 	return ret;
797 }
798 
kv_program_bootup_state(struct amdgpu_device * adev)799 static int kv_program_bootup_state(struct amdgpu_device *adev)
800 {
801 	struct kv_power_info *pi = kv_get_pi(adev);
802 	u32 i;
803 	struct amdgpu_clock_voltage_dependency_table *table =
804 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
805 
806 	if (table && table->count) {
807 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
808 			if (table->entries[i].clk == pi->boot_pl.sclk)
809 				break;
810 		}
811 
812 		pi->graphics_boot_level = (u8)i;
813 		kv_dpm_power_level_enable(adev, i, true);
814 	} else {
815 		struct sumo_sclk_voltage_mapping_table *table =
816 			&pi->sys_info.sclk_voltage_mapping_table;
817 
818 		if (table->num_max_dpm_entries == 0)
819 			return -EINVAL;
820 
821 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
822 			if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
823 				break;
824 		}
825 
826 		pi->graphics_boot_level = (u8)i;
827 		kv_dpm_power_level_enable(adev, i, true);
828 	}
829 	return 0;
830 }
831 
kv_enable_auto_thermal_throttling(struct amdgpu_device * adev)832 static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
833 {
834 	struct kv_power_info *pi = kv_get_pi(adev);
835 	int ret;
836 
837 	pi->graphics_therm_throttle_enable = 1;
838 
839 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
840 				   pi->dpm_table_start +
841 				   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
842 				   &pi->graphics_therm_throttle_enable,
843 				   sizeof(u8), pi->sram_end);
844 
845 	return ret;
846 }
847 
kv_upload_dpm_settings(struct amdgpu_device * adev)848 static int kv_upload_dpm_settings(struct amdgpu_device *adev)
849 {
850 	struct kv_power_info *pi = kv_get_pi(adev);
851 	int ret;
852 
853 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
854 				   pi->dpm_table_start +
855 				   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
856 				   (u8 *)&pi->graphics_level,
857 				   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
858 				   pi->sram_end);
859 
860 	if (ret)
861 		return ret;
862 
863 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
864 				   pi->dpm_table_start +
865 				   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
866 				   &pi->graphics_dpm_level_count,
867 				   sizeof(u8), pi->sram_end);
868 
869 	return ret;
870 }
871 
kv_get_clock_difference(u32 a,u32 b)872 static u32 kv_get_clock_difference(u32 a, u32 b)
873 {
874 	return (a >= b) ? a - b : b - a;
875 }
876 
kv_get_clk_bypass(struct amdgpu_device * adev,u32 clk)877 static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
878 {
879 	struct kv_power_info *pi = kv_get_pi(adev);
880 	u32 value;
881 
882 	if (pi->caps_enable_dfs_bypass) {
883 		if (kv_get_clock_difference(clk, 40000) < 200)
884 			value = 3;
885 		else if (kv_get_clock_difference(clk, 30000) < 200)
886 			value = 2;
887 		else if (kv_get_clock_difference(clk, 20000) < 200)
888 			value = 7;
889 		else if (kv_get_clock_difference(clk, 15000) < 200)
890 			value = 6;
891 		else if (kv_get_clock_difference(clk, 10000) < 200)
892 			value = 8;
893 		else
894 			value = 0;
895 	} else {
896 		value = 0;
897 	}
898 
899 	return value;
900 }
901 
kv_populate_uvd_table(struct amdgpu_device * adev)902 static int kv_populate_uvd_table(struct amdgpu_device *adev)
903 {
904 	struct kv_power_info *pi = kv_get_pi(adev);
905 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
906 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
907 	struct atom_clock_dividers dividers;
908 	int ret;
909 	u32 i;
910 
911 	if (table == NULL || table->count == 0)
912 		return 0;
913 
914 	pi->uvd_level_count = 0;
915 	for (i = 0; i < table->count; i++) {
916 		if (pi->high_voltage_t &&
917 		    (pi->high_voltage_t < table->entries[i].v))
918 			break;
919 
920 		pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
921 		pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
922 		pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
923 
924 		pi->uvd_level[i].VClkBypassCntl =
925 			(u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
926 		pi->uvd_level[i].DClkBypassCntl =
927 			(u8)kv_get_clk_bypass(adev, table->entries[i].dclk);
928 
929 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
930 							 table->entries[i].vclk, false, &dividers);
931 		if (ret)
932 			return ret;
933 		pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
934 
935 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
936 							 table->entries[i].dclk, false, &dividers);
937 		if (ret)
938 			return ret;
939 		pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
940 
941 		pi->uvd_level_count++;
942 	}
943 
944 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
945 				   pi->dpm_table_start +
946 				   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
947 				   (u8 *)&pi->uvd_level_count,
948 				   sizeof(u8), pi->sram_end);
949 	if (ret)
950 		return ret;
951 
952 	pi->uvd_interval = 1;
953 
954 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
955 				   pi->dpm_table_start +
956 				   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
957 				   &pi->uvd_interval,
958 				   sizeof(u8), pi->sram_end);
959 	if (ret)
960 		return ret;
961 
962 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
963 				   pi->dpm_table_start +
964 				   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
965 				   (u8 *)&pi->uvd_level,
966 				   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
967 				   pi->sram_end);
968 
969 	return ret;
970 
971 }
972 
kv_populate_vce_table(struct amdgpu_device * adev)973 static int kv_populate_vce_table(struct amdgpu_device *adev)
974 {
975 	struct kv_power_info *pi = kv_get_pi(adev);
976 	int ret;
977 	u32 i;
978 	struct amdgpu_vce_clock_voltage_dependency_table *table =
979 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
980 	struct atom_clock_dividers dividers;
981 
982 	if (table == NULL || table->count == 0)
983 		return 0;
984 
985 	pi->vce_level_count = 0;
986 	for (i = 0; i < table->count; i++) {
987 		if (pi->high_voltage_t &&
988 		    pi->high_voltage_t < table->entries[i].v)
989 			break;
990 
991 		pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
992 		pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
993 
994 		pi->vce_level[i].ClkBypassCntl =
995 			(u8)kv_get_clk_bypass(adev, table->entries[i].evclk);
996 
997 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
998 							 table->entries[i].evclk, false, &dividers);
999 		if (ret)
1000 			return ret;
1001 		pi->vce_level[i].Divider = (u8)dividers.post_div;
1002 
1003 		pi->vce_level_count++;
1004 	}
1005 
1006 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1007 				   pi->dpm_table_start +
1008 				   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
1009 				   (u8 *)&pi->vce_level_count,
1010 				   sizeof(u8),
1011 				   pi->sram_end);
1012 	if (ret)
1013 		return ret;
1014 
1015 	pi->vce_interval = 1;
1016 
1017 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1018 				   pi->dpm_table_start +
1019 				   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
1020 				   (u8 *)&pi->vce_interval,
1021 				   sizeof(u8),
1022 				   pi->sram_end);
1023 	if (ret)
1024 		return ret;
1025 
1026 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1027 				   pi->dpm_table_start +
1028 				   offsetof(SMU7_Fusion_DpmTable, VceLevel),
1029 				   (u8 *)&pi->vce_level,
1030 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
1031 				   pi->sram_end);
1032 
1033 	return ret;
1034 }
1035 
kv_populate_samu_table(struct amdgpu_device * adev)1036 static int kv_populate_samu_table(struct amdgpu_device *adev)
1037 {
1038 	struct kv_power_info *pi = kv_get_pi(adev);
1039 	struct amdgpu_clock_voltage_dependency_table *table =
1040 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1041 	struct atom_clock_dividers dividers;
1042 	int ret;
1043 	u32 i;
1044 
1045 	if (table == NULL || table->count == 0)
1046 		return 0;
1047 
1048 	pi->samu_level_count = 0;
1049 	for (i = 0; i < table->count; i++) {
1050 		if (pi->high_voltage_t &&
1051 		    pi->high_voltage_t < table->entries[i].v)
1052 			break;
1053 
1054 		pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1055 		pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1056 
1057 		pi->samu_level[i].ClkBypassCntl =
1058 			(u8)kv_get_clk_bypass(adev, table->entries[i].clk);
1059 
1060 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1061 							 table->entries[i].clk, false, &dividers);
1062 		if (ret)
1063 			return ret;
1064 		pi->samu_level[i].Divider = (u8)dividers.post_div;
1065 
1066 		pi->samu_level_count++;
1067 	}
1068 
1069 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1070 				   pi->dpm_table_start +
1071 				   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
1072 				   (u8 *)&pi->samu_level_count,
1073 				   sizeof(u8),
1074 				   pi->sram_end);
1075 	if (ret)
1076 		return ret;
1077 
1078 	pi->samu_interval = 1;
1079 
1080 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1081 				   pi->dpm_table_start +
1082 				   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1083 				   (u8 *)&pi->samu_interval,
1084 				   sizeof(u8),
1085 				   pi->sram_end);
1086 	if (ret)
1087 		return ret;
1088 
1089 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1090 				   pi->dpm_table_start +
1091 				   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1092 				   (u8 *)&pi->samu_level,
1093 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1094 				   pi->sram_end);
1095 	if (ret)
1096 		return ret;
1097 
1098 	return ret;
1099 }
1100 
1101 
kv_populate_acp_table(struct amdgpu_device * adev)1102 static int kv_populate_acp_table(struct amdgpu_device *adev)
1103 {
1104 	struct kv_power_info *pi = kv_get_pi(adev);
1105 	struct amdgpu_clock_voltage_dependency_table *table =
1106 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1107 	struct atom_clock_dividers dividers;
1108 	int ret;
1109 	u32 i;
1110 
1111 	if (table == NULL || table->count == 0)
1112 		return 0;
1113 
1114 	pi->acp_level_count = 0;
1115 	for (i = 0; i < table->count; i++) {
1116 		pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1117 		pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1118 
1119 		ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1120 							 table->entries[i].clk, false, &dividers);
1121 		if (ret)
1122 			return ret;
1123 		pi->acp_level[i].Divider = (u8)dividers.post_div;
1124 
1125 		pi->acp_level_count++;
1126 	}
1127 
1128 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1129 				   pi->dpm_table_start +
1130 				   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1131 				   (u8 *)&pi->acp_level_count,
1132 				   sizeof(u8),
1133 				   pi->sram_end);
1134 	if (ret)
1135 		return ret;
1136 
1137 	pi->acp_interval = 1;
1138 
1139 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1140 				   pi->dpm_table_start +
1141 				   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1142 				   (u8 *)&pi->acp_interval,
1143 				   sizeof(u8),
1144 				   pi->sram_end);
1145 	if (ret)
1146 		return ret;
1147 
1148 	ret = amdgpu_kv_copy_bytes_to_smc(adev,
1149 				   pi->dpm_table_start +
1150 				   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1151 				   (u8 *)&pi->acp_level,
1152 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1153 				   pi->sram_end);
1154 	if (ret)
1155 		return ret;
1156 
1157 	return ret;
1158 }
1159 
kv_calculate_dfs_bypass_settings(struct amdgpu_device * adev)1160 static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
1161 {
1162 	struct kv_power_info *pi = kv_get_pi(adev);
1163 	u32 i;
1164 	struct amdgpu_clock_voltage_dependency_table *table =
1165 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1166 
1167 	if (table && table->count) {
1168 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1169 			if (pi->caps_enable_dfs_bypass) {
1170 				if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1171 					pi->graphics_level[i].ClkBypassCntl = 3;
1172 				else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1173 					pi->graphics_level[i].ClkBypassCntl = 2;
1174 				else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1175 					pi->graphics_level[i].ClkBypassCntl = 7;
1176 				else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200)
1177 					pi->graphics_level[i].ClkBypassCntl = 6;
1178 				else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200)
1179 					pi->graphics_level[i].ClkBypassCntl = 8;
1180 				else
1181 					pi->graphics_level[i].ClkBypassCntl = 0;
1182 			} else {
1183 				pi->graphics_level[i].ClkBypassCntl = 0;
1184 			}
1185 		}
1186 	} else {
1187 		struct sumo_sclk_voltage_mapping_table *table =
1188 			&pi->sys_info.sclk_voltage_mapping_table;
1189 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1190 			if (pi->caps_enable_dfs_bypass) {
1191 				if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1192 					pi->graphics_level[i].ClkBypassCntl = 3;
1193 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1194 					pi->graphics_level[i].ClkBypassCntl = 2;
1195 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1196 					pi->graphics_level[i].ClkBypassCntl = 7;
1197 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1198 					pi->graphics_level[i].ClkBypassCntl = 6;
1199 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1200 					pi->graphics_level[i].ClkBypassCntl = 8;
1201 				else
1202 					pi->graphics_level[i].ClkBypassCntl = 0;
1203 			} else {
1204 				pi->graphics_level[i].ClkBypassCntl = 0;
1205 			}
1206 		}
1207 	}
1208 }
1209 
kv_enable_ulv(struct amdgpu_device * adev,bool enable)1210 static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
1211 {
1212 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1213 					PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1214 }
1215 
kv_reset_acp_boot_level(struct amdgpu_device * adev)1216 static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
1217 {
1218 	struct kv_power_info *pi = kv_get_pi(adev);
1219 
1220 	pi->acp_boot_level = 0xff;
1221 }
1222 
kv_update_current_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1223 static void kv_update_current_ps(struct amdgpu_device *adev,
1224 				 struct amdgpu_ps *rps)
1225 {
1226 	struct kv_ps *new_ps = kv_get_ps(rps);
1227 	struct kv_power_info *pi = kv_get_pi(adev);
1228 
1229 	pi->current_rps = *rps;
1230 	pi->current_ps = *new_ps;
1231 	pi->current_rps.ps_priv = &pi->current_ps;
1232 	adev->pm.dpm.current_ps = &pi->current_rps;
1233 }
1234 
kv_update_requested_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)1235 static void kv_update_requested_ps(struct amdgpu_device *adev,
1236 				   struct amdgpu_ps *rps)
1237 {
1238 	struct kv_ps *new_ps = kv_get_ps(rps);
1239 	struct kv_power_info *pi = kv_get_pi(adev);
1240 
1241 	pi->requested_rps = *rps;
1242 	pi->requested_ps = *new_ps;
1243 	pi->requested_rps.ps_priv = &pi->requested_ps;
1244 	adev->pm.dpm.requested_ps = &pi->requested_rps;
1245 }
1246 
kv_dpm_enable_bapm(void * handle,bool enable)1247 static void kv_dpm_enable_bapm(void *handle, bool enable)
1248 {
1249 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1250 	struct kv_power_info *pi = kv_get_pi(adev);
1251 	int ret;
1252 
1253 	if (pi->bapm_enable) {
1254 		ret = amdgpu_kv_smc_bapm_enable(adev, enable);
1255 		if (ret)
1256 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
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 	    amdgpu_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 
1375 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1376 		       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1377 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1378 		       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1379 
1380 	amdgpu_kv_smc_bapm_enable(adev, false);
1381 
1382 	if (adev->asic_type == CHIP_MULLINS)
1383 		kv_enable_nb_dpm(adev, false);
1384 
1385 	/* powerup blocks */
1386 	kv_dpm_powergate_acp(adev, false);
1387 	kv_dpm_powergate_samu(adev, false);
1388 	if (pi->caps_vce_pg) /* power on the VCE block */
1389 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1390 	if (pi->caps_uvd_pg) /* power on the UVD block */
1391 		amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1392 
1393 	kv_enable_smc_cac(adev, false);
1394 	kv_enable_didt(adev, false);
1395 	kv_clear_vc(adev);
1396 	kv_stop_dpm(adev);
1397 	kv_enable_ulv(adev, false);
1398 	kv_reset_am(adev);
1399 
1400 	kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1401 }
1402 
1403 #if 0
1404 static int kv_write_smc_soft_register(struct amdgpu_device *adev,
1405 				      u16 reg_offset, u32 value)
1406 {
1407 	struct kv_power_info *pi = kv_get_pi(adev);
1408 
1409 	return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
1410 				    (u8 *)&value, sizeof(u16), pi->sram_end);
1411 }
1412 
1413 static int kv_read_smc_soft_register(struct amdgpu_device *adev,
1414 				     u16 reg_offset, u32 *value)
1415 {
1416 	struct kv_power_info *pi = kv_get_pi(adev);
1417 
1418 	return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
1419 				      value, pi->sram_end);
1420 }
1421 #endif
1422 
kv_init_sclk_t(struct amdgpu_device * adev)1423 static void kv_init_sclk_t(struct amdgpu_device *adev)
1424 {
1425 	struct kv_power_info *pi = kv_get_pi(adev);
1426 
1427 	pi->low_sclk_interrupt_t = 0;
1428 }
1429 
kv_init_fps_limits(struct amdgpu_device * adev)1430 static int kv_init_fps_limits(struct amdgpu_device *adev)
1431 {
1432 	struct kv_power_info *pi = kv_get_pi(adev);
1433 	int ret = 0;
1434 
1435 	if (pi->caps_fps) {
1436 		u16 tmp;
1437 
1438 		tmp = 45;
1439 		pi->fps_high_t = cpu_to_be16(tmp);
1440 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1441 					   pi->dpm_table_start +
1442 					   offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1443 					   (u8 *)&pi->fps_high_t,
1444 					   sizeof(u16), pi->sram_end);
1445 
1446 		tmp = 30;
1447 		pi->fps_low_t = cpu_to_be16(tmp);
1448 
1449 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1450 					   pi->dpm_table_start +
1451 					   offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1452 					   (u8 *)&pi->fps_low_t,
1453 					   sizeof(u16), pi->sram_end);
1454 
1455 	}
1456 	return ret;
1457 }
1458 
kv_init_powergate_state(struct amdgpu_device * adev)1459 static void kv_init_powergate_state(struct amdgpu_device *adev)
1460 {
1461 	struct kv_power_info *pi = kv_get_pi(adev);
1462 
1463 	pi->uvd_power_gated = false;
1464 	pi->vce_power_gated = false;
1465 	pi->samu_power_gated = false;
1466 	pi->acp_power_gated = false;
1467 
1468 }
1469 
kv_enable_uvd_dpm(struct amdgpu_device * adev,bool enable)1470 static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1471 {
1472 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1473 					PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1474 }
1475 
kv_enable_vce_dpm(struct amdgpu_device * adev,bool enable)1476 static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1477 {
1478 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1479 					PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1480 }
1481 
kv_enable_samu_dpm(struct amdgpu_device * adev,bool enable)1482 static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
1483 {
1484 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1485 					PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1486 }
1487 
kv_enable_acp_dpm(struct amdgpu_device * adev,bool enable)1488 static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
1489 {
1490 	return amdgpu_kv_notify_message_to_smu(adev, enable ?
1491 					PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1492 }
1493 
kv_update_uvd_dpm(struct amdgpu_device * adev,bool gate)1494 static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1495 {
1496 	struct kv_power_info *pi = kv_get_pi(adev);
1497 	struct amdgpu_uvd_clock_voltage_dependency_table *table =
1498 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1499 	int ret;
1500 	u32 mask;
1501 
1502 	if (!gate) {
1503 		if (table->count)
1504 			pi->uvd_boot_level = table->count - 1;
1505 		else
1506 			pi->uvd_boot_level = 0;
1507 
1508 		if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1509 			mask = 1 << pi->uvd_boot_level;
1510 		} else {
1511 			mask = 0x1f;
1512 		}
1513 
1514 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1515 					   pi->dpm_table_start +
1516 					   offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1517 					   (uint8_t *)&pi->uvd_boot_level,
1518 					   sizeof(u8), pi->sram_end);
1519 		if (ret)
1520 			return ret;
1521 
1522 		amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1523 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
1524 						  mask);
1525 	}
1526 
1527 	return kv_enable_uvd_dpm(adev, !gate);
1528 }
1529 
kv_get_vce_boot_level(struct amdgpu_device * adev,u32 evclk)1530 static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
1531 {
1532 	u8 i;
1533 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1534 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1535 
1536 	for (i = 0; i < table->count; i++) {
1537 		if (table->entries[i].evclk >= evclk)
1538 			break;
1539 	}
1540 
1541 	return i;
1542 }
1543 
kv_update_vce_dpm(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)1544 static int kv_update_vce_dpm(struct amdgpu_device *adev,
1545 			     struct amdgpu_ps *amdgpu_new_state,
1546 			     struct amdgpu_ps *amdgpu_current_state)
1547 {
1548 	struct kv_power_info *pi = kv_get_pi(adev);
1549 	struct amdgpu_vce_clock_voltage_dependency_table *table =
1550 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1551 	int ret;
1552 
1553 	if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
1554 		if (pi->caps_stable_p_state)
1555 			pi->vce_boot_level = table->count - 1;
1556 		else
1557 			pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk);
1558 
1559 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1560 					   pi->dpm_table_start +
1561 					   offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
1562 					   (u8 *)&pi->vce_boot_level,
1563 					   sizeof(u8),
1564 					   pi->sram_end);
1565 		if (ret)
1566 			return ret;
1567 
1568 		if (pi->caps_stable_p_state)
1569 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1570 							  PPSMC_MSG_VCEDPM_SetEnabledMask,
1571 							  (1 << pi->vce_boot_level));
1572 		kv_enable_vce_dpm(adev, true);
1573 	} else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
1574 		kv_enable_vce_dpm(adev, false);
1575 	}
1576 
1577 	return 0;
1578 }
1579 
kv_update_samu_dpm(struct amdgpu_device * adev,bool gate)1580 static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
1581 {
1582 	struct kv_power_info *pi = kv_get_pi(adev);
1583 	struct amdgpu_clock_voltage_dependency_table *table =
1584 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1585 	int ret;
1586 
1587 	if (!gate) {
1588 		if (pi->caps_stable_p_state)
1589 			pi->samu_boot_level = table->count - 1;
1590 		else
1591 			pi->samu_boot_level = 0;
1592 
1593 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1594 					   pi->dpm_table_start +
1595 					   offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1596 					   (u8 *)&pi->samu_boot_level,
1597 					   sizeof(u8),
1598 					   pi->sram_end);
1599 		if (ret)
1600 			return ret;
1601 
1602 		if (pi->caps_stable_p_state)
1603 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1604 							  PPSMC_MSG_SAMUDPM_SetEnabledMask,
1605 							  (1 << pi->samu_boot_level));
1606 	}
1607 
1608 	return kv_enable_samu_dpm(adev, !gate);
1609 }
1610 
kv_get_acp_boot_level(struct amdgpu_device * adev)1611 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
1612 {
1613 	u8 i;
1614 	struct amdgpu_clock_voltage_dependency_table *table =
1615 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1616 
1617 	for (i = 0; i < table->count; i++) {
1618 		if (table->entries[i].clk >= 0) /* XXX */
1619 			break;
1620 	}
1621 
1622 	if (i >= table->count)
1623 		i = table->count - 1;
1624 
1625 	return i;
1626 }
1627 
kv_update_acp_boot_level(struct amdgpu_device * adev)1628 static void kv_update_acp_boot_level(struct amdgpu_device *adev)
1629 {
1630 	struct kv_power_info *pi = kv_get_pi(adev);
1631 	u8 acp_boot_level;
1632 
1633 	if (!pi->caps_stable_p_state) {
1634 		acp_boot_level = kv_get_acp_boot_level(adev);
1635 		if (acp_boot_level != pi->acp_boot_level) {
1636 			pi->acp_boot_level = acp_boot_level;
1637 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1638 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1639 							  (1 << pi->acp_boot_level));
1640 		}
1641 	}
1642 }
1643 
kv_update_acp_dpm(struct amdgpu_device * adev,bool gate)1644 static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
1645 {
1646 	struct kv_power_info *pi = kv_get_pi(adev);
1647 	struct amdgpu_clock_voltage_dependency_table *table =
1648 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1649 	int ret;
1650 
1651 	if (!gate) {
1652 		if (pi->caps_stable_p_state)
1653 			pi->acp_boot_level = table->count - 1;
1654 		else
1655 			pi->acp_boot_level = kv_get_acp_boot_level(adev);
1656 
1657 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1658 					   pi->dpm_table_start +
1659 					   offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1660 					   (u8 *)&pi->acp_boot_level,
1661 					   sizeof(u8),
1662 					   pi->sram_end);
1663 		if (ret)
1664 			return ret;
1665 
1666 		if (pi->caps_stable_p_state)
1667 			amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1668 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1669 							  (1 << pi->acp_boot_level));
1670 	}
1671 
1672 	return kv_enable_acp_dpm(adev, !gate);
1673 }
1674 
kv_dpm_powergate_uvd(void * handle,bool gate)1675 static void kv_dpm_powergate_uvd(void *handle, bool gate)
1676 {
1677 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1678 	struct kv_power_info *pi = kv_get_pi(adev);
1679 	int ret;
1680 
1681 	pi->uvd_power_gated = gate;
1682 
1683 	if (gate) {
1684 		/* stop the UVD block */
1685 		ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1686 							     AMD_PG_STATE_GATE);
1687 		kv_update_uvd_dpm(adev, gate);
1688 		if (pi->caps_uvd_pg)
1689 			/* power off the UVD block */
1690 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
1691 	} else {
1692 		if (pi->caps_uvd_pg)
1693 			/* power on the UVD block */
1694 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1695 			/* re-init the UVD block */
1696 		kv_update_uvd_dpm(adev, gate);
1697 
1698 		ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1699 							     AMD_PG_STATE_UNGATE);
1700 	}
1701 }
1702 
kv_dpm_powergate_vce(void * handle,bool gate)1703 static void kv_dpm_powergate_vce(void *handle, bool gate)
1704 {
1705 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1706 	struct kv_power_info *pi = kv_get_pi(adev);
1707 	int ret;
1708 
1709 	pi->vce_power_gated = gate;
1710 
1711 	if (gate) {
1712 		/* stop the VCE block */
1713 		ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1714 							     AMD_PG_STATE_GATE);
1715 		kv_enable_vce_dpm(adev, false);
1716 		if (pi->caps_vce_pg) /* power off the VCE block */
1717 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
1718 	} else {
1719 		if (pi->caps_vce_pg) /* power on the VCE block */
1720 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1721 		kv_enable_vce_dpm(adev, true);
1722 		/* re-init the VCE block */
1723 		ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1724 							     AMD_PG_STATE_UNGATE);
1725 	}
1726 }
1727 
1728 
kv_dpm_powergate_samu(struct amdgpu_device * adev,bool gate)1729 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
1730 {
1731 	struct kv_power_info *pi = kv_get_pi(adev);
1732 
1733 	if (pi->samu_power_gated == gate)
1734 		return;
1735 
1736 	pi->samu_power_gated = gate;
1737 
1738 	if (gate) {
1739 		kv_update_samu_dpm(adev, true);
1740 		if (pi->caps_samu_pg)
1741 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
1742 	} else {
1743 		if (pi->caps_samu_pg)
1744 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
1745 		kv_update_samu_dpm(adev, false);
1746 	}
1747 }
1748 
kv_dpm_powergate_acp(struct amdgpu_device * adev,bool gate)1749 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
1750 {
1751 	struct kv_power_info *pi = kv_get_pi(adev);
1752 
1753 	if (pi->acp_power_gated == gate)
1754 		return;
1755 
1756 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
1757 		return;
1758 
1759 	pi->acp_power_gated = gate;
1760 
1761 	if (gate) {
1762 		kv_update_acp_dpm(adev, true);
1763 		if (pi->caps_acp_pg)
1764 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
1765 	} else {
1766 		if (pi->caps_acp_pg)
1767 			amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
1768 		kv_update_acp_dpm(adev, false);
1769 	}
1770 }
1771 
kv_set_valid_clock_range(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1772 static void kv_set_valid_clock_range(struct amdgpu_device *adev,
1773 				     struct amdgpu_ps *new_rps)
1774 {
1775 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1776 	struct kv_power_info *pi = kv_get_pi(adev);
1777 	u32 i;
1778 	struct amdgpu_clock_voltage_dependency_table *table =
1779 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1780 
1781 	if (table && table->count) {
1782 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1783 			if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1784 			    (i == (pi->graphics_dpm_level_count - 1))) {
1785 				pi->lowest_valid = i;
1786 				break;
1787 			}
1788 		}
1789 
1790 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1791 			if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1792 				break;
1793 		}
1794 		pi->highest_valid = i;
1795 
1796 		if (pi->lowest_valid > pi->highest_valid) {
1797 			if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1798 			    (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1799 				pi->highest_valid = pi->lowest_valid;
1800 			else
1801 				pi->lowest_valid =  pi->highest_valid;
1802 		}
1803 	} else {
1804 		struct sumo_sclk_voltage_mapping_table *table =
1805 			&pi->sys_info.sclk_voltage_mapping_table;
1806 
1807 		for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1808 			if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1809 			    i == (int)(pi->graphics_dpm_level_count - 1)) {
1810 				pi->lowest_valid = i;
1811 				break;
1812 			}
1813 		}
1814 
1815 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1816 			if (table->entries[i].sclk_frequency <=
1817 			    new_ps->levels[new_ps->num_levels - 1].sclk)
1818 				break;
1819 		}
1820 		pi->highest_valid = i;
1821 
1822 		if (pi->lowest_valid > pi->highest_valid) {
1823 			if ((new_ps->levels[0].sclk -
1824 			     table->entries[pi->highest_valid].sclk_frequency) >
1825 			    (table->entries[pi->lowest_valid].sclk_frequency -
1826 			     new_ps->levels[new_ps->num_levels -1].sclk))
1827 				pi->highest_valid = pi->lowest_valid;
1828 			else
1829 				pi->lowest_valid =  pi->highest_valid;
1830 		}
1831 	}
1832 }
1833 
kv_update_dfs_bypass_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)1834 static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
1835 					 struct amdgpu_ps *new_rps)
1836 {
1837 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1838 	struct kv_power_info *pi = kv_get_pi(adev);
1839 	int ret = 0;
1840 	u8 clk_bypass_cntl;
1841 
1842 	if (pi->caps_enable_dfs_bypass) {
1843 		clk_bypass_cntl = new_ps->need_dfs_bypass ?
1844 			pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1845 		ret = amdgpu_kv_copy_bytes_to_smc(adev,
1846 					   (pi->dpm_table_start +
1847 					    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1848 					    (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1849 					    offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1850 					   &clk_bypass_cntl,
1851 					   sizeof(u8), pi->sram_end);
1852 	}
1853 
1854 	return ret;
1855 }
1856 
kv_enable_nb_dpm(struct amdgpu_device * adev,bool enable)1857 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
1858 			    bool enable)
1859 {
1860 	struct kv_power_info *pi = kv_get_pi(adev);
1861 	int ret = 0;
1862 
1863 	if (enable) {
1864 		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1865 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
1866 			if (ret == 0)
1867 				pi->nb_dpm_enabled = true;
1868 		}
1869 	} else {
1870 		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1871 			ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
1872 			if (ret == 0)
1873 				pi->nb_dpm_enabled = false;
1874 		}
1875 	}
1876 
1877 	return ret;
1878 }
1879 
kv_dpm_force_performance_level(void * handle,enum amd_dpm_forced_level level)1880 static int kv_dpm_force_performance_level(void *handle,
1881 					  enum amd_dpm_forced_level level)
1882 {
1883 	int ret;
1884 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1885 
1886 	if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
1887 		ret = kv_force_dpm_highest(adev);
1888 		if (ret)
1889 			return ret;
1890 	} else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
1891 		ret = kv_force_dpm_lowest(adev);
1892 		if (ret)
1893 			return ret;
1894 	} else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
1895 		ret = kv_unforce_levels(adev);
1896 		if (ret)
1897 			return ret;
1898 	}
1899 
1900 	adev->pm.dpm.forced_level = level;
1901 
1902 	return 0;
1903 }
1904 
kv_dpm_pre_set_power_state(void * handle)1905 static int kv_dpm_pre_set_power_state(void *handle)
1906 {
1907 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1908 	struct kv_power_info *pi = kv_get_pi(adev);
1909 	struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1910 	struct amdgpu_ps *new_ps = &requested_ps;
1911 
1912 	kv_update_requested_ps(adev, new_ps);
1913 
1914 	kv_apply_state_adjust_rules(adev,
1915 				    &pi->requested_rps,
1916 				    &pi->current_rps);
1917 
1918 	return 0;
1919 }
1920 
kv_dpm_set_power_state(void * handle)1921 static int kv_dpm_set_power_state(void *handle)
1922 {
1923 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1924 	struct kv_power_info *pi = kv_get_pi(adev);
1925 	struct amdgpu_ps *new_ps = &pi->requested_rps;
1926 	struct amdgpu_ps *old_ps = &pi->current_rps;
1927 	int ret;
1928 
1929 	if (pi->bapm_enable) {
1930 		ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power);
1931 		if (ret) {
1932 			DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1933 			return ret;
1934 		}
1935 	}
1936 
1937 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
1938 		if (pi->enable_dpm) {
1939 			kv_set_valid_clock_range(adev, new_ps);
1940 			kv_update_dfs_bypass_settings(adev, new_ps);
1941 			ret = kv_calculate_ds_divider(adev);
1942 			if (ret) {
1943 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1944 				return ret;
1945 			}
1946 			kv_calculate_nbps_level_settings(adev);
1947 			kv_calculate_dpm_settings(adev);
1948 			kv_force_lowest_valid(adev);
1949 			kv_enable_new_levels(adev);
1950 			kv_upload_dpm_settings(adev);
1951 			kv_program_nbps_index_settings(adev, new_ps);
1952 			kv_unforce_levels(adev);
1953 			kv_set_enabled_levels(adev);
1954 			kv_force_lowest_valid(adev);
1955 			kv_unforce_levels(adev);
1956 
1957 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1958 			if (ret) {
1959 				DRM_ERROR("kv_update_vce_dpm failed\n");
1960 				return ret;
1961 			}
1962 			kv_update_sclk_t(adev);
1963 			if (adev->asic_type == CHIP_MULLINS)
1964 				kv_enable_nb_dpm(adev, true);
1965 		}
1966 	} else {
1967 		if (pi->enable_dpm) {
1968 			kv_set_valid_clock_range(adev, new_ps);
1969 			kv_update_dfs_bypass_settings(adev, new_ps);
1970 			ret = kv_calculate_ds_divider(adev);
1971 			if (ret) {
1972 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1973 				return ret;
1974 			}
1975 			kv_calculate_nbps_level_settings(adev);
1976 			kv_calculate_dpm_settings(adev);
1977 			kv_freeze_sclk_dpm(adev, true);
1978 			kv_upload_dpm_settings(adev);
1979 			kv_program_nbps_index_settings(adev, new_ps);
1980 			kv_freeze_sclk_dpm(adev, false);
1981 			kv_set_enabled_levels(adev);
1982 			ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1983 			if (ret) {
1984 				DRM_ERROR("kv_update_vce_dpm failed\n");
1985 				return ret;
1986 			}
1987 			kv_update_acp_boot_level(adev);
1988 			kv_update_sclk_t(adev);
1989 			kv_enable_nb_dpm(adev, true);
1990 		}
1991 	}
1992 
1993 	return 0;
1994 }
1995 
kv_dpm_post_set_power_state(void * handle)1996 static void kv_dpm_post_set_power_state(void *handle)
1997 {
1998 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1999 	struct kv_power_info *pi = kv_get_pi(adev);
2000 	struct amdgpu_ps *new_ps = &pi->requested_rps;
2001 
2002 	kv_update_current_ps(adev, new_ps);
2003 }
2004 
kv_dpm_setup_asic(struct amdgpu_device * adev)2005 static void kv_dpm_setup_asic(struct amdgpu_device *adev)
2006 {
2007 	sumo_take_smu_control(adev, true);
2008 	kv_init_powergate_state(adev);
2009 	kv_init_sclk_t(adev);
2010 }
2011 
2012 #if 0
2013 static void kv_dpm_reset_asic(struct amdgpu_device *adev)
2014 {
2015 	struct kv_power_info *pi = kv_get_pi(adev);
2016 
2017 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2018 		kv_force_lowest_valid(adev);
2019 		kv_init_graphics_levels(adev);
2020 		kv_program_bootup_state(adev);
2021 		kv_upload_dpm_settings(adev);
2022 		kv_force_lowest_valid(adev);
2023 		kv_unforce_levels(adev);
2024 	} else {
2025 		kv_init_graphics_levels(adev);
2026 		kv_program_bootup_state(adev);
2027 		kv_freeze_sclk_dpm(adev, true);
2028 		kv_upload_dpm_settings(adev);
2029 		kv_freeze_sclk_dpm(adev, false);
2030 		kv_set_enabled_level(adev, pi->graphics_boot_level);
2031 	}
2032 }
2033 #endif
2034 
kv_construct_max_power_limits_table(struct amdgpu_device * adev,struct amdgpu_clock_and_voltage_limits * table)2035 static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
2036 						struct amdgpu_clock_and_voltage_limits *table)
2037 {
2038 	struct kv_power_info *pi = kv_get_pi(adev);
2039 
2040 	if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
2041 		int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
2042 		table->sclk =
2043 			pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
2044 		table->vddc =
2045 			kv_convert_2bit_index_to_voltage(adev,
2046 							 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
2047 	}
2048 
2049 	table->mclk = pi->sys_info.nbp_memory_clock[0];
2050 }
2051 
kv_patch_voltage_values(struct amdgpu_device * adev)2052 static void kv_patch_voltage_values(struct amdgpu_device *adev)
2053 {
2054 	int i;
2055 	struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
2056 		&adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
2057 	struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
2058 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
2059 	struct amdgpu_clock_voltage_dependency_table *samu_table =
2060 		&adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
2061 	struct amdgpu_clock_voltage_dependency_table *acp_table =
2062 		&adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
2063 
2064 	if (uvd_table->count) {
2065 		for (i = 0; i < uvd_table->count; i++)
2066 			uvd_table->entries[i].v =
2067 				kv_convert_8bit_index_to_voltage(adev,
2068 								 uvd_table->entries[i].v);
2069 	}
2070 
2071 	if (vce_table->count) {
2072 		for (i = 0; i < vce_table->count; i++)
2073 			vce_table->entries[i].v =
2074 				kv_convert_8bit_index_to_voltage(adev,
2075 								 vce_table->entries[i].v);
2076 	}
2077 
2078 	if (samu_table->count) {
2079 		for (i = 0; i < samu_table->count; i++)
2080 			samu_table->entries[i].v =
2081 				kv_convert_8bit_index_to_voltage(adev,
2082 								 samu_table->entries[i].v);
2083 	}
2084 
2085 	if (acp_table->count) {
2086 		for (i = 0; i < acp_table->count; i++)
2087 			acp_table->entries[i].v =
2088 				kv_convert_8bit_index_to_voltage(adev,
2089 								 acp_table->entries[i].v);
2090 	}
2091 
2092 }
2093 
kv_construct_boot_state(struct amdgpu_device * adev)2094 static void kv_construct_boot_state(struct amdgpu_device *adev)
2095 {
2096 	struct kv_power_info *pi = kv_get_pi(adev);
2097 
2098 	pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2099 	pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2100 	pi->boot_pl.ds_divider_index = 0;
2101 	pi->boot_pl.ss_divider_index = 0;
2102 	pi->boot_pl.allow_gnb_slow = 1;
2103 	pi->boot_pl.force_nbp_state = 0;
2104 	pi->boot_pl.display_wm = 0;
2105 	pi->boot_pl.vce_wm = 0;
2106 }
2107 
kv_force_dpm_highest(struct amdgpu_device * adev)2108 static int kv_force_dpm_highest(struct amdgpu_device *adev)
2109 {
2110 	int ret;
2111 	u32 enable_mask, i;
2112 
2113 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2114 	if (ret)
2115 		return ret;
2116 
2117 	for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2118 		if (enable_mask & (1 << i))
2119 			break;
2120 	}
2121 
2122 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2123 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2124 	else
2125 		return kv_set_enabled_level(adev, i);
2126 }
2127 
kv_force_dpm_lowest(struct amdgpu_device * adev)2128 static int kv_force_dpm_lowest(struct amdgpu_device *adev)
2129 {
2130 	int ret;
2131 	u32 enable_mask, i;
2132 
2133 	ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2134 	if (ret)
2135 		return ret;
2136 
2137 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2138 		if (enable_mask & (1 << i))
2139 			break;
2140 	}
2141 
2142 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2143 		return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2144 	else
2145 		return kv_set_enabled_level(adev, i);
2146 }
2147 
kv_get_sleep_divider_id_from_clock(struct amdgpu_device * adev,u32 sclk,u32 min_sclk_in_sr)2148 static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
2149 					     u32 sclk, u32 min_sclk_in_sr)
2150 {
2151 	struct kv_power_info *pi = kv_get_pi(adev);
2152 	u32 i;
2153 	u32 temp;
2154 	u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK);
2155 
2156 	if (sclk < min)
2157 		return 0;
2158 
2159 	if (!pi->caps_sclk_ds)
2160 		return 0;
2161 
2162 	for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2163 		temp = sclk >> i;
2164 		if (temp >= min)
2165 			break;
2166 	}
2167 
2168 	return (u8)i;
2169 }
2170 
kv_get_high_voltage_limit(struct amdgpu_device * adev,int * limit)2171 static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
2172 {
2173 	struct kv_power_info *pi = kv_get_pi(adev);
2174 	struct amdgpu_clock_voltage_dependency_table *table =
2175 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2176 	int i;
2177 
2178 	if (table && table->count) {
2179 		for (i = table->count - 1; i >= 0; i--) {
2180 			if (pi->high_voltage_t &&
2181 			    (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
2182 			     pi->high_voltage_t)) {
2183 				*limit = i;
2184 				return 0;
2185 			}
2186 		}
2187 	} else {
2188 		struct sumo_sclk_voltage_mapping_table *table =
2189 			&pi->sys_info.sclk_voltage_mapping_table;
2190 
2191 		for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2192 			if (pi->high_voltage_t &&
2193 			    (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
2194 			     pi->high_voltage_t)) {
2195 				*limit = i;
2196 				return 0;
2197 			}
2198 		}
2199 	}
2200 
2201 	*limit = 0;
2202 	return 0;
2203 }
2204 
kv_apply_state_adjust_rules(struct amdgpu_device * adev,struct amdgpu_ps * new_rps,struct amdgpu_ps * old_rps)2205 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
2206 					struct amdgpu_ps *new_rps,
2207 					struct amdgpu_ps *old_rps)
2208 {
2209 	struct kv_ps *ps = kv_get_ps(new_rps);
2210 	struct kv_power_info *pi = kv_get_pi(adev);
2211 	u32 min_sclk = 10000; /* ??? */
2212 	u32 sclk, mclk = 0;
2213 	int i, limit;
2214 	bool force_high;
2215 	struct amdgpu_clock_voltage_dependency_table *table =
2216 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2217 	u32 stable_p_state_sclk = 0;
2218 	struct amdgpu_clock_and_voltage_limits *max_limits =
2219 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2220 
2221 	if (new_rps->vce_active) {
2222 		new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
2223 		new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
2224 	} else {
2225 		new_rps->evclk = 0;
2226 		new_rps->ecclk = 0;
2227 	}
2228 
2229 	mclk = max_limits->mclk;
2230 	sclk = min_sclk;
2231 
2232 	if (pi->caps_stable_p_state) {
2233 		stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2234 
2235 		for (i = table->count - 1; i >= 0; i--) {
2236 			if (stable_p_state_sclk >= table->entries[i].clk) {
2237 				stable_p_state_sclk = table->entries[i].clk;
2238 				break;
2239 			}
2240 		}
2241 
2242 		if (i > 0)
2243 			stable_p_state_sclk = table->entries[0].clk;
2244 
2245 		sclk = stable_p_state_sclk;
2246 	}
2247 
2248 	if (new_rps->vce_active) {
2249 		if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
2250 			sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
2251 	}
2252 
2253 	ps->need_dfs_bypass = true;
2254 
2255 	for (i = 0; i < ps->num_levels; i++) {
2256 		if (ps->levels[i].sclk < sclk)
2257 			ps->levels[i].sclk = sclk;
2258 	}
2259 
2260 	if (table && table->count) {
2261 		for (i = 0; i < ps->num_levels; i++) {
2262 			if (pi->high_voltage_t &&
2263 			    (pi->high_voltage_t <
2264 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2265 				kv_get_high_voltage_limit(adev, &limit);
2266 				ps->levels[i].sclk = table->entries[limit].clk;
2267 			}
2268 		}
2269 	} else {
2270 		struct sumo_sclk_voltage_mapping_table *table =
2271 			&pi->sys_info.sclk_voltage_mapping_table;
2272 
2273 		for (i = 0; i < ps->num_levels; i++) {
2274 			if (pi->high_voltage_t &&
2275 			    (pi->high_voltage_t <
2276 			     kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2277 				kv_get_high_voltage_limit(adev, &limit);
2278 				ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2279 			}
2280 		}
2281 	}
2282 
2283 	if (pi->caps_stable_p_state) {
2284 		for (i = 0; i < ps->num_levels; i++) {
2285 			ps->levels[i].sclk = stable_p_state_sclk;
2286 		}
2287 	}
2288 
2289 	pi->video_start = new_rps->dclk || new_rps->vclk ||
2290 		new_rps->evclk || new_rps->ecclk;
2291 
2292 	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2293 	    ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2294 		pi->battery_state = true;
2295 	else
2296 		pi->battery_state = false;
2297 
2298 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2299 		ps->dpm0_pg_nb_ps_lo = 0x1;
2300 		ps->dpm0_pg_nb_ps_hi = 0x0;
2301 		ps->dpmx_nb_ps_lo = 0x1;
2302 		ps->dpmx_nb_ps_hi = 0x0;
2303 	} else {
2304 		ps->dpm0_pg_nb_ps_lo = 0x3;
2305 		ps->dpm0_pg_nb_ps_hi = 0x0;
2306 		ps->dpmx_nb_ps_lo = 0x3;
2307 		ps->dpmx_nb_ps_hi = 0x0;
2308 
2309 		if (pi->sys_info.nb_dpm_enable) {
2310 			force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2311 				pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
2312 				pi->disable_nb_ps3_in_battery;
2313 			ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2314 			ps->dpm0_pg_nb_ps_hi = 0x2;
2315 			ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2316 			ps->dpmx_nb_ps_hi = 0x2;
2317 		}
2318 	}
2319 }
2320 
kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device * adev,u32 index,bool enable)2321 static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
2322 						    u32 index, bool enable)
2323 {
2324 	struct kv_power_info *pi = kv_get_pi(adev);
2325 
2326 	pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2327 }
2328 
kv_calculate_ds_divider(struct amdgpu_device * adev)2329 static int kv_calculate_ds_divider(struct amdgpu_device *adev)
2330 {
2331 	struct kv_power_info *pi = kv_get_pi(adev);
2332 	u32 sclk_in_sr = 10000; /* ??? */
2333 	u32 i;
2334 
2335 	if (pi->lowest_valid > pi->highest_valid)
2336 		return -EINVAL;
2337 
2338 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2339 		pi->graphics_level[i].DeepSleepDivId =
2340 			kv_get_sleep_divider_id_from_clock(adev,
2341 							   be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2342 							   sclk_in_sr);
2343 	}
2344 	return 0;
2345 }
2346 
kv_calculate_nbps_level_settings(struct amdgpu_device * adev)2347 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
2348 {
2349 	struct kv_power_info *pi = kv_get_pi(adev);
2350 	u32 i;
2351 	bool force_high;
2352 	struct amdgpu_clock_and_voltage_limits *max_limits =
2353 		&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2354 	u32 mclk = max_limits->mclk;
2355 
2356 	if (pi->lowest_valid > pi->highest_valid)
2357 		return -EINVAL;
2358 
2359 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2360 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2361 			pi->graphics_level[i].GnbSlow = 1;
2362 			pi->graphics_level[i].ForceNbPs1 = 0;
2363 			pi->graphics_level[i].UpH = 0;
2364 		}
2365 
2366 		if (!pi->sys_info.nb_dpm_enable)
2367 			return 0;
2368 
2369 		force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2370 			      (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2371 
2372 		if (force_high) {
2373 			for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2374 				pi->graphics_level[i].GnbSlow = 0;
2375 		} else {
2376 			if (pi->battery_state)
2377 				pi->graphics_level[0].ForceNbPs1 = 1;
2378 
2379 			pi->graphics_level[1].GnbSlow = 0;
2380 			pi->graphics_level[2].GnbSlow = 0;
2381 			pi->graphics_level[3].GnbSlow = 0;
2382 			pi->graphics_level[4].GnbSlow = 0;
2383 		}
2384 	} else {
2385 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2386 			pi->graphics_level[i].GnbSlow = 1;
2387 			pi->graphics_level[i].ForceNbPs1 = 0;
2388 			pi->graphics_level[i].UpH = 0;
2389 		}
2390 
2391 		if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2392 			pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2393 			pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2394 			if (pi->lowest_valid != pi->highest_valid)
2395 				pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2396 		}
2397 	}
2398 	return 0;
2399 }
2400 
kv_calculate_dpm_settings(struct amdgpu_device * adev)2401 static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
2402 {
2403 	struct kv_power_info *pi = kv_get_pi(adev);
2404 	u32 i;
2405 
2406 	if (pi->lowest_valid > pi->highest_valid)
2407 		return -EINVAL;
2408 
2409 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2410 		pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2411 
2412 	return 0;
2413 }
2414 
kv_init_graphics_levels(struct amdgpu_device * adev)2415 static void kv_init_graphics_levels(struct amdgpu_device *adev)
2416 {
2417 	struct kv_power_info *pi = kv_get_pi(adev);
2418 	u32 i;
2419 	struct amdgpu_clock_voltage_dependency_table *table =
2420 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2421 
2422 	if (table && table->count) {
2423 		u32 vid_2bit;
2424 
2425 		pi->graphics_dpm_level_count = 0;
2426 		for (i = 0; i < table->count; i++) {
2427 			if (pi->high_voltage_t &&
2428 			    (pi->high_voltage_t <
2429 			     kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
2430 				break;
2431 
2432 			kv_set_divider_value(adev, i, table->entries[i].clk);
2433 			vid_2bit = kv_convert_vid7_to_vid2(adev,
2434 							   &pi->sys_info.vid_mapping_table,
2435 							   table->entries[i].v);
2436 			kv_set_vid(adev, i, vid_2bit);
2437 			kv_set_at(adev, i, pi->at[i]);
2438 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2439 			pi->graphics_dpm_level_count++;
2440 		}
2441 	} else {
2442 		struct sumo_sclk_voltage_mapping_table *table =
2443 			&pi->sys_info.sclk_voltage_mapping_table;
2444 
2445 		pi->graphics_dpm_level_count = 0;
2446 		for (i = 0; i < table->num_max_dpm_entries; i++) {
2447 			if (pi->high_voltage_t &&
2448 			    pi->high_voltage_t <
2449 			    kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
2450 				break;
2451 
2452 			kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
2453 			kv_set_vid(adev, i, table->entries[i].vid_2bit);
2454 			kv_set_at(adev, i, pi->at[i]);
2455 			kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2456 			pi->graphics_dpm_level_count++;
2457 		}
2458 	}
2459 
2460 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2461 		kv_dpm_power_level_enable(adev, i, false);
2462 }
2463 
kv_enable_new_levels(struct amdgpu_device * adev)2464 static void kv_enable_new_levels(struct amdgpu_device *adev)
2465 {
2466 	struct kv_power_info *pi = kv_get_pi(adev);
2467 	u32 i;
2468 
2469 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2470 		if (i >= pi->lowest_valid && i <= pi->highest_valid)
2471 			kv_dpm_power_level_enable(adev, i, true);
2472 	}
2473 }
2474 
kv_set_enabled_level(struct amdgpu_device * adev,u32 level)2475 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
2476 {
2477 	u32 new_mask = (1 << level);
2478 
2479 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2480 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2481 						 new_mask);
2482 }
2483 
kv_set_enabled_levels(struct amdgpu_device * adev)2484 static int kv_set_enabled_levels(struct amdgpu_device *adev)
2485 {
2486 	struct kv_power_info *pi = kv_get_pi(adev);
2487 	u32 i, new_mask = 0;
2488 
2489 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2490 		new_mask |= (1 << i);
2491 
2492 	return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2493 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2494 						 new_mask);
2495 }
2496 
kv_program_nbps_index_settings(struct amdgpu_device * adev,struct amdgpu_ps * new_rps)2497 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
2498 					   struct amdgpu_ps *new_rps)
2499 {
2500 	struct kv_ps *new_ps = kv_get_ps(new_rps);
2501 	struct kv_power_info *pi = kv_get_pi(adev);
2502 	u32 nbdpmconfig1;
2503 
2504 	if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2505 		return;
2506 
2507 	if (pi->sys_info.nb_dpm_enable) {
2508 		nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
2509 		nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
2510 				NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
2511 				NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
2512 				NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
2513 		nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
2514 				(new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
2515 				(new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
2516 				(new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
2517 		WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
2518 	}
2519 }
2520 
kv_set_thermal_temperature_range(struct amdgpu_device * adev,int min_temp,int max_temp)2521 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
2522 					    int min_temp, int max_temp)
2523 {
2524 	int low_temp = 0 * 1000;
2525 	int high_temp = 255 * 1000;
2526 	u32 tmp;
2527 
2528 	if (low_temp < min_temp)
2529 		low_temp = min_temp;
2530 	if (high_temp > max_temp)
2531 		high_temp = max_temp;
2532 	if (high_temp < low_temp) {
2533 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2534 		return -EINVAL;
2535 	}
2536 
2537 	tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
2538 	tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
2539 		CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
2540 	tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
2541 		((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
2542 	WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);
2543 
2544 	adev->pm.dpm.thermal.min_temp = low_temp;
2545 	adev->pm.dpm.thermal.max_temp = high_temp;
2546 
2547 	return 0;
2548 }
2549 
2550 union igp_info {
2551 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2552 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2553 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2554 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2555 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2556 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2557 };
2558 
kv_parse_sys_info_table(struct amdgpu_device * adev)2559 static int kv_parse_sys_info_table(struct amdgpu_device *adev)
2560 {
2561 	struct kv_power_info *pi = kv_get_pi(adev);
2562 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2563 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2564 	union igp_info *igp_info;
2565 	u8 frev, crev;
2566 	u16 data_offset;
2567 	int i;
2568 
2569 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2570 				   &frev, &crev, &data_offset)) {
2571 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
2572 					      data_offset);
2573 
2574 		if (crev != 8) {
2575 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2576 			return -EINVAL;
2577 		}
2578 		pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2579 		pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2580 		pi->sys_info.bootup_nb_voltage_index =
2581 			le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2582 		if (igp_info->info_8.ucHtcTmpLmt == 0)
2583 			pi->sys_info.htc_tmp_lmt = 203;
2584 		else
2585 			pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2586 		if (igp_info->info_8.ucHtcHystLmt == 0)
2587 			pi->sys_info.htc_hyst_lmt = 5;
2588 		else
2589 			pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2590 		if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2591 			DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2592 		}
2593 
2594 		if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2595 			pi->sys_info.nb_dpm_enable = true;
2596 		else
2597 			pi->sys_info.nb_dpm_enable = false;
2598 
2599 		for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2600 			pi->sys_info.nbp_memory_clock[i] =
2601 				le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2602 			pi->sys_info.nbp_n_clock[i] =
2603 				le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2604 		}
2605 		if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2606 		    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2607 			pi->caps_enable_dfs_bypass = true;
2608 
2609 		sumo_construct_sclk_voltage_mapping_table(adev,
2610 							  &pi->sys_info.sclk_voltage_mapping_table,
2611 							  igp_info->info_8.sAvail_SCLK);
2612 
2613 		sumo_construct_vid_mapping_table(adev,
2614 						 &pi->sys_info.vid_mapping_table,
2615 						 igp_info->info_8.sAvail_SCLK);
2616 
2617 		kv_construct_max_power_limits_table(adev,
2618 						    &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2619 	}
2620 	return 0;
2621 }
2622 
2623 union power_info {
2624 	struct _ATOM_POWERPLAY_INFO info;
2625 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2626 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2627 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2628 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2629 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2630 };
2631 
2632 union pplib_clock_info {
2633 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2634 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2635 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2636 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2637 };
2638 
2639 union pplib_power_state {
2640 	struct _ATOM_PPLIB_STATE v1;
2641 	struct _ATOM_PPLIB_STATE_V2 v2;
2642 };
2643 
kv_patch_boot_state(struct amdgpu_device * adev,struct kv_ps * ps)2644 static void kv_patch_boot_state(struct amdgpu_device *adev,
2645 				struct kv_ps *ps)
2646 {
2647 	struct kv_power_info *pi = kv_get_pi(adev);
2648 
2649 	ps->num_levels = 1;
2650 	ps->levels[0] = pi->boot_pl;
2651 }
2652 
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)2653 static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev,
2654 					  struct amdgpu_ps *rps,
2655 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2656 					  u8 table_rev)
2657 {
2658 	struct kv_ps *ps = kv_get_ps(rps);
2659 
2660 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2661 	rps->class = le16_to_cpu(non_clock_info->usClassification);
2662 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2663 
2664 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2665 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2666 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2667 	} else {
2668 		rps->vclk = 0;
2669 		rps->dclk = 0;
2670 	}
2671 
2672 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2673 		adev->pm.dpm.boot_ps = rps;
2674 		kv_patch_boot_state(adev, ps);
2675 	}
2676 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2677 		adev->pm.dpm.uvd_ps = rps;
2678 }
2679 
kv_parse_pplib_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,int index,union pplib_clock_info * clock_info)2680 static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
2681 				      struct amdgpu_ps *rps, int index,
2682 					union pplib_clock_info *clock_info)
2683 {
2684 	struct kv_power_info *pi = kv_get_pi(adev);
2685 	struct kv_ps *ps = kv_get_ps(rps);
2686 	struct kv_pl *pl = &ps->levels[index];
2687 	u32 sclk;
2688 
2689 	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2690 	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2691 	pl->sclk = sclk;
2692 	pl->vddc_index = clock_info->sumo.vddcIndex;
2693 
2694 	ps->num_levels = index + 1;
2695 
2696 	if (pi->caps_sclk_ds) {
2697 		pl->ds_divider_index = 5;
2698 		pl->ss_divider_index = 5;
2699 	}
2700 }
2701 
kv_parse_power_table(struct amdgpu_device * adev)2702 static int kv_parse_power_table(struct amdgpu_device *adev)
2703 {
2704 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2705 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2706 	union pplib_power_state *power_state;
2707 	int i, j, k, non_clock_array_index, clock_array_index;
2708 	union pplib_clock_info *clock_info;
2709 	struct _StateArray *state_array;
2710 	struct _ClockInfoArray *clock_info_array;
2711 	struct _NonClockInfoArray *non_clock_info_array;
2712 	union power_info *power_info;
2713 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2714 	u16 data_offset;
2715 	u8 frev, crev;
2716 	u8 *power_state_offset;
2717 	struct kv_ps *ps;
2718 
2719 	if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2720 				   &frev, &crev, &data_offset))
2721 		return -EINVAL;
2722 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2723 
2724 	amdgpu_add_thermal_controller(adev);
2725 
2726 	state_array = (struct _StateArray *)
2727 		(mode_info->atom_context->bios + data_offset +
2728 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2729 	clock_info_array = (struct _ClockInfoArray *)
2730 		(mode_info->atom_context->bios + data_offset +
2731 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2732 	non_clock_info_array = (struct _NonClockInfoArray *)
2733 		(mode_info->atom_context->bios + data_offset +
2734 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2735 
2736 	adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
2737 				  sizeof(struct amdgpu_ps),
2738 				  GFP_KERNEL);
2739 	if (!adev->pm.dpm.ps)
2740 		return -ENOMEM;
2741 	power_state_offset = (u8 *)state_array->states;
2742 	for (i = 0; i < state_array->ucNumEntries; i++) {
2743 		u8 *idx;
2744 		power_state = (union pplib_power_state *)power_state_offset;
2745 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2746 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2747 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2748 		ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2749 		if (ps == NULL) {
2750 			kfree(adev->pm.dpm.ps);
2751 			return -ENOMEM;
2752 		}
2753 		adev->pm.dpm.ps[i].ps_priv = ps;
2754 		k = 0;
2755 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2756 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2757 			clock_array_index = idx[j];
2758 			if (clock_array_index >= clock_info_array->ucNumEntries)
2759 				continue;
2760 			if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2761 				break;
2762 			clock_info = (union pplib_clock_info *)
2763 				((u8 *)&clock_info_array->clockInfo[0] +
2764 				 (clock_array_index * clock_info_array->ucEntrySize));
2765 			kv_parse_pplib_clock_info(adev,
2766 						  &adev->pm.dpm.ps[i], k,
2767 						  clock_info);
2768 			k++;
2769 		}
2770 		kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
2771 					      non_clock_info,
2772 					      non_clock_info_array->ucEntrySize);
2773 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2774 	}
2775 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
2776 
2777 	/* fill in the vce power states */
2778 	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
2779 		u32 sclk;
2780 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
2781 		clock_info = (union pplib_clock_info *)
2782 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2783 		sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2784 		sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2785 		adev->pm.dpm.vce_states[i].sclk = sclk;
2786 		adev->pm.dpm.vce_states[i].mclk = 0;
2787 	}
2788 
2789 	return 0;
2790 }
2791 
kv_dpm_init(struct amdgpu_device * adev)2792 static int kv_dpm_init(struct amdgpu_device *adev)
2793 {
2794 	struct kv_power_info *pi;
2795 	int ret, i;
2796 
2797 	pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2798 	if (pi == NULL)
2799 		return -ENOMEM;
2800 	adev->pm.dpm.priv = pi;
2801 
2802 	ret = amdgpu_get_platform_caps(adev);
2803 	if (ret)
2804 		return ret;
2805 
2806 	ret = amdgpu_parse_extended_power_table(adev);
2807 	if (ret)
2808 		return ret;
2809 
2810 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2811 		pi->at[i] = TRINITY_AT_DFLT;
2812 
2813 	pi->sram_end = SMC_RAM_END;
2814 
2815 	pi->enable_nb_dpm = true;
2816 
2817 	pi->caps_power_containment = true;
2818 	pi->caps_cac = true;
2819 	pi->enable_didt = false;
2820 	if (pi->enable_didt) {
2821 		pi->caps_sq_ramping = true;
2822 		pi->caps_db_ramping = true;
2823 		pi->caps_td_ramping = true;
2824 		pi->caps_tcp_ramping = true;
2825 	}
2826 
2827 	if (adev->powerplay.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
2828 		pi->caps_sclk_ds = true;
2829 	else
2830 		pi->caps_sclk_ds = false;
2831 
2832 	pi->enable_auto_thermal_throttling = true;
2833 	pi->disable_nb_ps3_in_battery = false;
2834 	if (amdgpu_bapm == 0)
2835 		pi->bapm_enable = false;
2836 	else
2837 		pi->bapm_enable = true;
2838 	pi->voltage_drop_t = 0;
2839 	pi->caps_sclk_throttle_low_notification = false;
2840 	pi->caps_fps = false; /* true? */
2841 	pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false;
2842 	pi->caps_uvd_dpm = true;
2843 	pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false;
2844 	pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false;
2845 	pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false;
2846 	pi->caps_stable_p_state = false;
2847 
2848 	ret = kv_parse_sys_info_table(adev);
2849 	if (ret)
2850 		return ret;
2851 
2852 	kv_patch_voltage_values(adev);
2853 	kv_construct_boot_state(adev);
2854 
2855 	ret = kv_parse_power_table(adev);
2856 	if (ret)
2857 		return ret;
2858 
2859 	pi->enable_dpm = true;
2860 
2861 	return 0;
2862 }
2863 
2864 static void
kv_dpm_debugfs_print_current_performance_level(void * handle,struct seq_file * m)2865 kv_dpm_debugfs_print_current_performance_level(void *handle,
2866 					       struct seq_file *m)
2867 {
2868 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2869 	struct kv_power_info *pi = kv_get_pi(adev);
2870 	u32 current_index =
2871 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
2872 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
2873 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
2874 	u32 sclk, tmp;
2875 	u16 vddc;
2876 
2877 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2878 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2879 	} else {
2880 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2881 		tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
2882 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2883 			SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
2884 		vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
2885 		seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2886 		seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2887 		seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2888 			   current_index, sclk, vddc);
2889 	}
2890 }
2891 
2892 static void
kv_dpm_print_power_state(void * handle,void * request_ps)2893 kv_dpm_print_power_state(void *handle, void *request_ps)
2894 {
2895 	int i;
2896 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
2897 	struct kv_ps *ps = kv_get_ps(rps);
2898 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2899 
2900 	amdgpu_dpm_print_class_info(rps->class, rps->class2);
2901 	amdgpu_dpm_print_cap_info(rps->caps);
2902 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2903 	for (i = 0; i < ps->num_levels; i++) {
2904 		struct kv_pl *pl = &ps->levels[i];
2905 		printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2906 		       i, pl->sclk,
2907 		       kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
2908 	}
2909 	amdgpu_dpm_print_ps_status(adev, rps);
2910 }
2911 
kv_dpm_fini(struct amdgpu_device * adev)2912 static void kv_dpm_fini(struct amdgpu_device *adev)
2913 {
2914 	int i;
2915 
2916 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2917 		kfree(adev->pm.dpm.ps[i].ps_priv);
2918 	}
2919 	kfree(adev->pm.dpm.ps);
2920 	kfree(adev->pm.dpm.priv);
2921 	amdgpu_free_extended_power_table(adev);
2922 }
2923 
kv_dpm_display_configuration_changed(void * handle)2924 static void kv_dpm_display_configuration_changed(void *handle)
2925 {
2926 
2927 }
2928 
kv_dpm_get_sclk(void * handle,bool low)2929 static u32 kv_dpm_get_sclk(void *handle, bool low)
2930 {
2931 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2932 	struct kv_power_info *pi = kv_get_pi(adev);
2933 	struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2934 
2935 	if (low)
2936 		return requested_state->levels[0].sclk;
2937 	else
2938 		return requested_state->levels[requested_state->num_levels - 1].sclk;
2939 }
2940 
kv_dpm_get_mclk(void * handle,bool low)2941 static u32 kv_dpm_get_mclk(void *handle, bool low)
2942 {
2943 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2944 	struct kv_power_info *pi = kv_get_pi(adev);
2945 
2946 	return pi->sys_info.bootup_uma_clk;
2947 }
2948 
2949 /* get temperature in millidegrees */
kv_dpm_get_temp(void * handle)2950 static int kv_dpm_get_temp(void *handle)
2951 {
2952 	u32 temp;
2953 	int actual_temp = 0;
2954 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2955 
2956 	temp = RREG32_SMC(0xC0300E0C);
2957 
2958 	if (temp)
2959 		actual_temp = (temp / 8) - 49;
2960 	else
2961 		actual_temp = 0;
2962 
2963 	actual_temp = actual_temp * 1000;
2964 
2965 	return actual_temp;
2966 }
2967 
kv_dpm_early_init(void * handle)2968 static int kv_dpm_early_init(void *handle)
2969 {
2970 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2971 
2972 	adev->powerplay.pp_funcs = &kv_dpm_funcs;
2973 	adev->powerplay.pp_handle = adev;
2974 	kv_dpm_set_irq_funcs(adev);
2975 
2976 	return 0;
2977 }
2978 
kv_dpm_late_init(void * handle)2979 static int kv_dpm_late_init(void *handle)
2980 {
2981 	/* powerdown unused blocks for now */
2982 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2983 
2984 	if (!adev->pm.dpm_enabled)
2985 		return 0;
2986 
2987 	kv_dpm_powergate_acp(adev, true);
2988 	kv_dpm_powergate_samu(adev, true);
2989 
2990 	return 0;
2991 }
2992 
kv_dpm_sw_init(void * handle)2993 static int kv_dpm_sw_init(void *handle)
2994 {
2995 	int ret;
2996 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2997 
2998 	ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 230,
2999 				&adev->pm.dpm.thermal.irq);
3000 	if (ret)
3001 		return ret;
3002 
3003 	ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 231,
3004 				&adev->pm.dpm.thermal.irq);
3005 	if (ret)
3006 		return ret;
3007 
3008 	/* default to balanced state */
3009 	adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
3010 	adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
3011 	adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO;
3012 	adev->pm.default_sclk = adev->clock.default_sclk;
3013 	adev->pm.default_mclk = adev->clock.default_mclk;
3014 	adev->pm.current_sclk = adev->clock.default_sclk;
3015 	adev->pm.current_mclk = adev->clock.default_mclk;
3016 	adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
3017 
3018 	if (amdgpu_dpm == 0)
3019 		return 0;
3020 
3021 	INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
3022 	mutex_lock(&adev->pm.mutex);
3023 	ret = kv_dpm_init(adev);
3024 	if (ret)
3025 		goto dpm_failed;
3026 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3027 	if (amdgpu_dpm == 1)
3028 		amdgpu_pm_print_power_states(adev);
3029 	mutex_unlock(&adev->pm.mutex);
3030 	DRM_INFO("amdgpu: dpm initialized\n");
3031 
3032 	return 0;
3033 
3034 dpm_failed:
3035 	kv_dpm_fini(adev);
3036 	mutex_unlock(&adev->pm.mutex);
3037 	DRM_ERROR("amdgpu: dpm initialization failed\n");
3038 	return ret;
3039 }
3040 
kv_dpm_sw_fini(void * handle)3041 static int kv_dpm_sw_fini(void *handle)
3042 {
3043 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3044 
3045 	flush_work(&adev->pm.dpm.thermal.work);
3046 
3047 	mutex_lock(&adev->pm.mutex);
3048 	kv_dpm_fini(adev);
3049 	mutex_unlock(&adev->pm.mutex);
3050 
3051 	return 0;
3052 }
3053 
kv_dpm_hw_init(void * handle)3054 static int kv_dpm_hw_init(void *handle)
3055 {
3056 	int ret;
3057 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3058 
3059 	if (!amdgpu_dpm)
3060 		return 0;
3061 
3062 	mutex_lock(&adev->pm.mutex);
3063 	kv_dpm_setup_asic(adev);
3064 	ret = kv_dpm_enable(adev);
3065 	if (ret)
3066 		adev->pm.dpm_enabled = false;
3067 	else
3068 		adev->pm.dpm_enabled = true;
3069 	mutex_unlock(&adev->pm.mutex);
3070 	amdgpu_pm_compute_clocks(adev);
3071 	return ret;
3072 }
3073 
kv_dpm_hw_fini(void * handle)3074 static int kv_dpm_hw_fini(void *handle)
3075 {
3076 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3077 
3078 	if (adev->pm.dpm_enabled) {
3079 		mutex_lock(&adev->pm.mutex);
3080 		kv_dpm_disable(adev);
3081 		mutex_unlock(&adev->pm.mutex);
3082 	}
3083 
3084 	return 0;
3085 }
3086 
kv_dpm_suspend(void * handle)3087 static int kv_dpm_suspend(void *handle)
3088 {
3089 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3090 
3091 	if (adev->pm.dpm_enabled) {
3092 		mutex_lock(&adev->pm.mutex);
3093 		/* disable dpm */
3094 		kv_dpm_disable(adev);
3095 		/* reset the power state */
3096 		adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3097 		mutex_unlock(&adev->pm.mutex);
3098 	}
3099 	return 0;
3100 }
3101 
kv_dpm_resume(void * handle)3102 static int kv_dpm_resume(void *handle)
3103 {
3104 	int ret;
3105 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3106 
3107 	if (adev->pm.dpm_enabled) {
3108 		/* asic init will reset to the boot state */
3109 		mutex_lock(&adev->pm.mutex);
3110 		kv_dpm_setup_asic(adev);
3111 		ret = kv_dpm_enable(adev);
3112 		if (ret)
3113 			adev->pm.dpm_enabled = false;
3114 		else
3115 			adev->pm.dpm_enabled = true;
3116 		mutex_unlock(&adev->pm.mutex);
3117 		if (adev->pm.dpm_enabled)
3118 			amdgpu_pm_compute_clocks(adev);
3119 	}
3120 	return 0;
3121 }
3122 
kv_dpm_is_idle(void * handle)3123 static bool kv_dpm_is_idle(void *handle)
3124 {
3125 	return true;
3126 }
3127 
kv_dpm_wait_for_idle(void * handle)3128 static int kv_dpm_wait_for_idle(void *handle)
3129 {
3130 	return 0;
3131 }
3132 
3133 
kv_dpm_soft_reset(void * handle)3134 static int kv_dpm_soft_reset(void *handle)
3135 {
3136 	return 0;
3137 }
3138 
kv_dpm_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3139 static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev,
3140 				      struct amdgpu_irq_src *src,
3141 				      unsigned type,
3142 				      enum amdgpu_interrupt_state state)
3143 {
3144 	u32 cg_thermal_int;
3145 
3146 	switch (type) {
3147 	case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
3148 		switch (state) {
3149 		case AMDGPU_IRQ_STATE_DISABLE:
3150 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3151 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3152 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3153 			break;
3154 		case AMDGPU_IRQ_STATE_ENABLE:
3155 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3156 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3157 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3158 			break;
3159 		default:
3160 			break;
3161 		}
3162 		break;
3163 
3164 	case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
3165 		switch (state) {
3166 		case AMDGPU_IRQ_STATE_DISABLE:
3167 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3168 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3169 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3170 			break;
3171 		case AMDGPU_IRQ_STATE_ENABLE:
3172 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3173 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3174 			WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3175 			break;
3176 		default:
3177 			break;
3178 		}
3179 		break;
3180 
3181 	default:
3182 		break;
3183 	}
3184 	return 0;
3185 }
3186 
kv_dpm_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3187 static int kv_dpm_process_interrupt(struct amdgpu_device *adev,
3188 				    struct amdgpu_irq_src *source,
3189 				    struct amdgpu_iv_entry *entry)
3190 {
3191 	bool queue_thermal = false;
3192 
3193 	if (entry == NULL)
3194 		return -EINVAL;
3195 
3196 	switch (entry->src_id) {
3197 	case 230: /* thermal low to high */
3198 		DRM_DEBUG("IH: thermal low to high\n");
3199 		adev->pm.dpm.thermal.high_to_low = false;
3200 		queue_thermal = true;
3201 		break;
3202 	case 231: /* thermal high to low */
3203 		DRM_DEBUG("IH: thermal high to low\n");
3204 		adev->pm.dpm.thermal.high_to_low = true;
3205 		queue_thermal = true;
3206 		break;
3207 	default:
3208 		break;
3209 	}
3210 
3211 	if (queue_thermal)
3212 		schedule_work(&adev->pm.dpm.thermal.work);
3213 
3214 	return 0;
3215 }
3216 
kv_dpm_set_clockgating_state(void * handle,enum amd_clockgating_state state)3217 static int kv_dpm_set_clockgating_state(void *handle,
3218 					  enum amd_clockgating_state state)
3219 {
3220 	return 0;
3221 }
3222 
kv_dpm_set_powergating_state(void * handle,enum amd_powergating_state state)3223 static int kv_dpm_set_powergating_state(void *handle,
3224 					  enum amd_powergating_state state)
3225 {
3226 	return 0;
3227 }
3228 
kv_are_power_levels_equal(const struct kv_pl * kv_cpl1,const struct kv_pl * kv_cpl2)3229 static inline bool kv_are_power_levels_equal(const struct kv_pl *kv_cpl1,
3230 						const struct kv_pl *kv_cpl2)
3231 {
3232 	return ((kv_cpl1->sclk == kv_cpl2->sclk) &&
3233 		  (kv_cpl1->vddc_index == kv_cpl2->vddc_index) &&
3234 		  (kv_cpl1->ds_divider_index == kv_cpl2->ds_divider_index) &&
3235 		  (kv_cpl1->force_nbp_state == kv_cpl2->force_nbp_state));
3236 }
3237 
kv_check_state_equal(void * handle,void * current_ps,void * request_ps,bool * equal)3238 static int kv_check_state_equal(void *handle,
3239 				void *current_ps,
3240 				void *request_ps,
3241 				bool *equal)
3242 {
3243 	struct kv_ps *kv_cps;
3244 	struct kv_ps *kv_rps;
3245 	int i;
3246 	struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps;
3247 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
3248 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3249 
3250 	if (adev == NULL || cps == NULL || rps == NULL || equal == NULL)
3251 		return -EINVAL;
3252 
3253 	kv_cps = kv_get_ps(cps);
3254 	kv_rps = kv_get_ps(rps);
3255 
3256 	if (kv_cps == NULL) {
3257 		*equal = false;
3258 		return 0;
3259 	}
3260 
3261 	if (kv_cps->num_levels != kv_rps->num_levels) {
3262 		*equal = false;
3263 		return 0;
3264 	}
3265 
3266 	for (i = 0; i < kv_cps->num_levels; i++) {
3267 		if (!kv_are_power_levels_equal(&(kv_cps->levels[i]),
3268 					&(kv_rps->levels[i]))) {
3269 			*equal = false;
3270 			return 0;
3271 		}
3272 	}
3273 
3274 	/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
3275 	*equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk));
3276 	*equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk));
3277 
3278 	return 0;
3279 }
3280 
kv_dpm_read_sensor(void * handle,int idx,void * value,int * size)3281 static int kv_dpm_read_sensor(void *handle, int idx,
3282 			      void *value, int *size)
3283 {
3284 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3285 	struct kv_power_info *pi = kv_get_pi(adev);
3286 	uint32_t sclk;
3287 	u32 pl_index =
3288 		(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
3289 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
3290 		TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
3291 
3292 	/* size must be at least 4 bytes for all sensors */
3293 	if (*size < 4)
3294 		return -EINVAL;
3295 
3296 	switch (idx) {
3297 	case AMDGPU_PP_SENSOR_GFX_SCLK:
3298 		if (pl_index < SMU__NUM_SCLK_DPM_STATE) {
3299 			sclk = be32_to_cpu(
3300 				pi->graphics_level[pl_index].SclkFrequency);
3301 			*((uint32_t *)value) = sclk;
3302 			*size = 4;
3303 			return 0;
3304 		}
3305 		return -EINVAL;
3306 	case AMDGPU_PP_SENSOR_GPU_TEMP:
3307 		*((uint32_t *)value) = kv_dpm_get_temp(adev);
3308 		*size = 4;
3309 		return 0;
3310 	default:
3311 		return -EINVAL;
3312 	}
3313 }
3314 
kv_set_powergating_by_smu(void * handle,uint32_t block_type,bool gate)3315 static int kv_set_powergating_by_smu(void *handle,
3316 				uint32_t block_type, bool gate)
3317 {
3318 	switch (block_type) {
3319 	case AMD_IP_BLOCK_TYPE_UVD:
3320 		kv_dpm_powergate_uvd(handle, gate);
3321 		break;
3322 	case AMD_IP_BLOCK_TYPE_VCE:
3323 		kv_dpm_powergate_vce(handle, gate);
3324 		break;
3325 	default:
3326 		break;
3327 	}
3328 	return 0;
3329 }
3330 
3331 static const struct amd_ip_funcs kv_dpm_ip_funcs = {
3332 	.name = "kv_dpm",
3333 	.early_init = kv_dpm_early_init,
3334 	.late_init = kv_dpm_late_init,
3335 	.sw_init = kv_dpm_sw_init,
3336 	.sw_fini = kv_dpm_sw_fini,
3337 	.hw_init = kv_dpm_hw_init,
3338 	.hw_fini = kv_dpm_hw_fini,
3339 	.suspend = kv_dpm_suspend,
3340 	.resume = kv_dpm_resume,
3341 	.is_idle = kv_dpm_is_idle,
3342 	.wait_for_idle = kv_dpm_wait_for_idle,
3343 	.soft_reset = kv_dpm_soft_reset,
3344 	.set_clockgating_state = kv_dpm_set_clockgating_state,
3345 	.set_powergating_state = kv_dpm_set_powergating_state,
3346 };
3347 
3348 const struct amdgpu_ip_block_version kv_smu_ip_block =
3349 {
3350 	.type = AMD_IP_BLOCK_TYPE_SMC,
3351 	.major = 1,
3352 	.minor = 0,
3353 	.rev = 0,
3354 	.funcs = &kv_dpm_ip_funcs,
3355 };
3356 
3357 static const struct amd_pm_funcs kv_dpm_funcs = {
3358 	.pre_set_power_state = &kv_dpm_pre_set_power_state,
3359 	.set_power_state = &kv_dpm_set_power_state,
3360 	.post_set_power_state = &kv_dpm_post_set_power_state,
3361 	.display_configuration_changed = &kv_dpm_display_configuration_changed,
3362 	.get_sclk = &kv_dpm_get_sclk,
3363 	.get_mclk = &kv_dpm_get_mclk,
3364 	.print_power_state = &kv_dpm_print_power_state,
3365 	.debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
3366 	.force_performance_level = &kv_dpm_force_performance_level,
3367 	.set_powergating_by_smu = kv_set_powergating_by_smu,
3368 	.enable_bapm = &kv_dpm_enable_bapm,
3369 	.get_vce_clock_state = amdgpu_get_vce_clock_state,
3370 	.check_state_equal = kv_check_state_equal,
3371 	.read_sensor = &kv_dpm_read_sensor,
3372 };
3373 
3374 static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
3375 	.set = kv_dpm_set_interrupt_state,
3376 	.process = kv_dpm_process_interrupt,
3377 };
3378 
kv_dpm_set_irq_funcs(struct amdgpu_device * adev)3379 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev)
3380 {
3381 	adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
3382 	adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs;
3383 }
3384