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 <linux/seq_file.h>
25 
26 #include <drm/drm_pci.h>
27 
28 #include "cikd.h"
29 #include "kv_dpm.h"
30 #include "r600_dpm.h"
31 #include "radeon.h"
32 #include "radeon_asic.h"
33 
34 #define KV_MAX_DEEPSLEEP_DIVIDER_ID     5
35 #define KV_MINIMUM_ENGINE_CLOCK         800
36 #define SMC_RAM_END                     0x40000
37 
38 static int kv_enable_nb_dpm(struct radeon_device *rdev,
39 			    bool enable);
40 static void kv_init_graphics_levels(struct radeon_device *rdev);
41 static int kv_calculate_ds_divider(struct radeon_device *rdev);
42 static int kv_calculate_nbps_level_settings(struct radeon_device *rdev);
43 static int kv_calculate_dpm_settings(struct radeon_device *rdev);
44 static void kv_enable_new_levels(struct radeon_device *rdev);
45 static void kv_program_nbps_index_settings(struct radeon_device *rdev,
46 					   struct radeon_ps *new_rps);
47 static int kv_set_enabled_level(struct radeon_device *rdev, u32 level);
48 static int kv_set_enabled_levels(struct radeon_device *rdev);
49 static int kv_force_dpm_highest(struct radeon_device *rdev);
50 static int kv_force_dpm_lowest(struct radeon_device *rdev);
51 static void kv_apply_state_adjust_rules(struct radeon_device *rdev,
52 					struct radeon_ps *new_rps,
53 					struct radeon_ps *old_rps);
54 static int kv_set_thermal_temperature_range(struct radeon_device *rdev,
55 					    int min_temp, int max_temp);
56 static int kv_init_fps_limits(struct radeon_device *rdev);
57 
58 void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate);
59 static void kv_dpm_powergate_vce(struct radeon_device *rdev, bool gate);
60 static void kv_dpm_powergate_samu(struct radeon_device *rdev, bool gate);
61 static void kv_dpm_powergate_acp(struct radeon_device *rdev, bool gate);
62 
63 extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
64 extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
65 extern void cik_update_cg(struct radeon_device *rdev,
66 			  u32 block, bool enable);
67 
68 static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
69 {
70 	{  0,       4,        1    },
71 	{  1,       4,        1    },
72 	{  2,       5,        1    },
73 	{  3,       4,        2    },
74 	{  4,       1,        1    },
75 	{  5,       5,        2    },
76 	{  6,       6,        1    },
77 	{  7,       9,        2    },
78 	{ 0xffffffff }
79 };
80 
81 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
82 {
83 	{  0,       4,        1    },
84 	{ 0xffffffff }
85 };
86 
87 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
88 {
89 	{  0,       4,        1    },
90 	{ 0xffffffff }
91 };
92 
93 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
94 {
95 	{  0,       4,        1    },
96 	{ 0xffffffff }
97 };
98 
99 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
100 {
101 	{  0,       4,        1    },
102 	{ 0xffffffff }
103 };
104 
105 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
106 {
107 	{  0,       4,        1    },
108 	{  1,       4,        1    },
109 	{  2,       5,        1    },
110 	{  3,       4,        1    },
111 	{  4,       1,        1    },
112 	{  5,       5,        1    },
113 	{  6,       6,        1    },
114 	{  7,       9,        1    },
115 	{  8,       4,        1    },
116 	{  9,       2,        1    },
117 	{  10,      3,        1    },
118 	{  11,      6,        1    },
119 	{  12,      8,        2    },
120 	{  13,      1,        1    },
121 	{  14,      2,        1    },
122 	{  15,      3,        1    },
123 	{  16,      1,        1    },
124 	{  17,      4,        1    },
125 	{  18,      3,        1    },
126 	{  19,      1,        1    },
127 	{  20,      8,        1    },
128 	{  21,      5,        1    },
129 	{  22,      1,        1    },
130 	{  23,      1,        1    },
131 	{  24,      4,        1    },
132 	{  27,      6,        1    },
133 	{  28,      1,        1    },
134 	{ 0xffffffff }
135 };
136 
137 static const struct kv_lcac_config_reg sx0_cac_config_reg[] =
138 {
139 	{ 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
140 };
141 
142 static const struct kv_lcac_config_reg mc0_cac_config_reg[] =
143 {
144 	{ 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
145 };
146 
147 static const struct kv_lcac_config_reg mc1_cac_config_reg[] =
148 {
149 	{ 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
150 };
151 
152 static const struct kv_lcac_config_reg mc2_cac_config_reg[] =
153 {
154 	{ 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
155 };
156 
157 static const struct kv_lcac_config_reg mc3_cac_config_reg[] =
158 {
159 	{ 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
160 };
161 
162 static const struct kv_lcac_config_reg cpl_cac_config_reg[] =
163 {
164 	{ 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
165 };
166 
167 static const struct kv_pt_config_reg didt_config_kv[] =
168 {
169 	{ 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
170 	{ 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
171 	{ 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
172 	{ 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
173 	{ 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
174 	{ 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
175 	{ 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
176 	{ 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
177 	{ 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
178 	{ 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
179 	{ 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
180 	{ 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
181 	{ 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
182 	{ 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
183 	{ 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
184 	{ 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
185 	{ 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
186 	{ 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
187 	{ 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
188 	{ 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
189 	{ 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
190 	{ 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
191 	{ 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
192 	{ 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
193 	{ 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
194 	{ 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
195 	{ 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
196 	{ 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
197 	{ 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
198 	{ 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
199 	{ 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
200 	{ 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
201 	{ 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
202 	{ 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
203 	{ 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
204 	{ 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
205 	{ 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
206 	{ 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
207 	{ 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
208 	{ 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
209 	{ 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
210 	{ 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
211 	{ 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
212 	{ 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
213 	{ 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
214 	{ 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
215 	{ 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
216 	{ 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
217 	{ 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
218 	{ 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
219 	{ 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
220 	{ 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
221 	{ 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
222 	{ 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
223 	{ 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
224 	{ 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
225 	{ 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
226 	{ 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
227 	{ 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
228 	{ 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
229 	{ 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
230 	{ 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
231 	{ 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
232 	{ 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
233 	{ 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
234 	{ 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
235 	{ 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
236 	{ 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
237 	{ 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
238 	{ 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
239 	{ 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
240 	{ 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
241 	{ 0xFFFFFFFF }
242 };
243 
kv_get_ps(struct radeon_ps * rps)244 static struct kv_ps *kv_get_ps(struct radeon_ps *rps)
245 {
246 	struct kv_ps *ps = rps->ps_priv;
247 
248 	return ps;
249 }
250 
kv_get_pi(struct radeon_device * rdev)251 static struct kv_power_info *kv_get_pi(struct radeon_device *rdev)
252 {
253 	struct kv_power_info *pi = rdev->pm.dpm.priv;
254 
255 	return pi;
256 }
257 
258 #if 0
259 static void kv_program_local_cac_table(struct radeon_device *rdev,
260 				       const struct kv_lcac_config_values *local_cac_table,
261 				       const struct kv_lcac_config_reg *local_cac_reg)
262 {
263 	u32 i, count, data;
264 	const struct kv_lcac_config_values *values = local_cac_table;
265 
266 	while (values->block_id != 0xffffffff) {
267 		count = values->signal_id;
268 		for (i = 0; i < count; i++) {
269 			data = ((values->block_id << local_cac_reg->block_shift) &
270 				local_cac_reg->block_mask);
271 			data |= ((i << local_cac_reg->signal_shift) &
272 				 local_cac_reg->signal_mask);
273 			data |= ((values->t << local_cac_reg->t_shift) &
274 				 local_cac_reg->t_mask);
275 			data |= ((1 << local_cac_reg->enable_shift) &
276 				 local_cac_reg->enable_mask);
277 			WREG32_SMC(local_cac_reg->cntl, data);
278 		}
279 		values++;
280 	}
281 }
282 #endif
283 
kv_program_pt_config_registers(struct radeon_device * rdev,const struct kv_pt_config_reg * cac_config_regs)284 static int kv_program_pt_config_registers(struct radeon_device *rdev,
285 					  const struct kv_pt_config_reg *cac_config_regs)
286 {
287 	const struct kv_pt_config_reg *config_regs = cac_config_regs;
288 	u32 data;
289 	u32 cache = 0;
290 
291 	if (config_regs == NULL)
292 		return -EINVAL;
293 
294 	while (config_regs->offset != 0xFFFFFFFF) {
295 		if (config_regs->type == KV_CONFIGREG_CACHE) {
296 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
297 		} else {
298 			switch (config_regs->type) {
299 			case KV_CONFIGREG_SMC_IND:
300 				data = RREG32_SMC(config_regs->offset);
301 				break;
302 			case KV_CONFIGREG_DIDT_IND:
303 				data = RREG32_DIDT(config_regs->offset);
304 				break;
305 			default:
306 				data = RREG32(config_regs->offset << 2);
307 				break;
308 			}
309 
310 			data &= ~config_regs->mask;
311 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
312 			data |= cache;
313 			cache = 0;
314 
315 			switch (config_regs->type) {
316 			case KV_CONFIGREG_SMC_IND:
317 				WREG32_SMC(config_regs->offset, data);
318 				break;
319 			case KV_CONFIGREG_DIDT_IND:
320 				WREG32_DIDT(config_regs->offset, data);
321 				break;
322 			default:
323 				WREG32(config_regs->offset << 2, data);
324 				break;
325 			}
326 		}
327 		config_regs++;
328 	}
329 
330 	return 0;
331 }
332 
kv_do_enable_didt(struct radeon_device * rdev,bool enable)333 static void kv_do_enable_didt(struct radeon_device *rdev, bool enable)
334 {
335 	struct kv_power_info *pi = kv_get_pi(rdev);
336 	u32 data;
337 
338 	if (pi->caps_sq_ramping) {
339 		data = RREG32_DIDT(DIDT_SQ_CTRL0);
340 		if (enable)
341 			data |= DIDT_CTRL_EN;
342 		else
343 			data &= ~DIDT_CTRL_EN;
344 		WREG32_DIDT(DIDT_SQ_CTRL0, data);
345 	}
346 
347 	if (pi->caps_db_ramping) {
348 		data = RREG32_DIDT(DIDT_DB_CTRL0);
349 		if (enable)
350 			data |= DIDT_CTRL_EN;
351 		else
352 			data &= ~DIDT_CTRL_EN;
353 		WREG32_DIDT(DIDT_DB_CTRL0, data);
354 	}
355 
356 	if (pi->caps_td_ramping) {
357 		data = RREG32_DIDT(DIDT_TD_CTRL0);
358 		if (enable)
359 			data |= DIDT_CTRL_EN;
360 		else
361 			data &= ~DIDT_CTRL_EN;
362 		WREG32_DIDT(DIDT_TD_CTRL0, data);
363 	}
364 
365 	if (pi->caps_tcp_ramping) {
366 		data = RREG32_DIDT(DIDT_TCP_CTRL0);
367 		if (enable)
368 			data |= DIDT_CTRL_EN;
369 		else
370 			data &= ~DIDT_CTRL_EN;
371 		WREG32_DIDT(DIDT_TCP_CTRL0, data);
372 	}
373 }
374 
kv_enable_didt(struct radeon_device * rdev,bool enable)375 static int kv_enable_didt(struct radeon_device *rdev, bool enable)
376 {
377 	struct kv_power_info *pi = kv_get_pi(rdev);
378 	int ret;
379 
380 	if (pi->caps_sq_ramping ||
381 	    pi->caps_db_ramping ||
382 	    pi->caps_td_ramping ||
383 	    pi->caps_tcp_ramping) {
384 		cik_enter_rlc_safe_mode(rdev);
385 
386 		if (enable) {
387 			ret = kv_program_pt_config_registers(rdev, didt_config_kv);
388 			if (ret) {
389 				cik_exit_rlc_safe_mode(rdev);
390 				return ret;
391 			}
392 		}
393 
394 		kv_do_enable_didt(rdev, enable);
395 
396 		cik_exit_rlc_safe_mode(rdev);
397 	}
398 
399 	return 0;
400 }
401 
402 #if 0
403 static void kv_initialize_hardware_cac_manager(struct radeon_device *rdev)
404 {
405 	struct kv_power_info *pi = kv_get_pi(rdev);
406 
407 	if (pi->caps_cac) {
408 		WREG32_SMC(LCAC_SX0_OVR_SEL, 0);
409 		WREG32_SMC(LCAC_SX0_OVR_VAL, 0);
410 		kv_program_local_cac_table(rdev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
411 
412 		WREG32_SMC(LCAC_MC0_OVR_SEL, 0);
413 		WREG32_SMC(LCAC_MC0_OVR_VAL, 0);
414 		kv_program_local_cac_table(rdev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
415 
416 		WREG32_SMC(LCAC_MC1_OVR_SEL, 0);
417 		WREG32_SMC(LCAC_MC1_OVR_VAL, 0);
418 		kv_program_local_cac_table(rdev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
419 
420 		WREG32_SMC(LCAC_MC2_OVR_SEL, 0);
421 		WREG32_SMC(LCAC_MC2_OVR_VAL, 0);
422 		kv_program_local_cac_table(rdev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
423 
424 		WREG32_SMC(LCAC_MC3_OVR_SEL, 0);
425 		WREG32_SMC(LCAC_MC3_OVR_VAL, 0);
426 		kv_program_local_cac_table(rdev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
427 
428 		WREG32_SMC(LCAC_CPL_OVR_SEL, 0);
429 		WREG32_SMC(LCAC_CPL_OVR_VAL, 0);
430 		kv_program_local_cac_table(rdev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
431 	}
432 }
433 #endif
434 
kv_enable_smc_cac(struct radeon_device * rdev,bool enable)435 static int kv_enable_smc_cac(struct radeon_device *rdev, bool enable)
436 {
437 	struct kv_power_info *pi = kv_get_pi(rdev);
438 	int ret = 0;
439 
440 	if (pi->caps_cac) {
441 		if (enable) {
442 			ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_EnableCac);
443 			if (ret)
444 				pi->cac_enabled = false;
445 			else
446 				pi->cac_enabled = true;
447 		} else if (pi->cac_enabled) {
448 			kv_notify_message_to_smu(rdev, PPSMC_MSG_DisableCac);
449 			pi->cac_enabled = false;
450 		}
451 	}
452 
453 	return ret;
454 }
455 
kv_process_firmware_header(struct radeon_device * rdev)456 static int kv_process_firmware_header(struct radeon_device *rdev)
457 {
458 	struct kv_power_info *pi = kv_get_pi(rdev);
459 	u32 tmp;
460 	int ret;
461 
462 	ret = kv_read_smc_sram_dword(rdev, SMU7_FIRMWARE_HEADER_LOCATION +
463 				     offsetof(SMU7_Firmware_Header, DpmTable),
464 				     &tmp, pi->sram_end);
465 
466 	if (ret == 0)
467 		pi->dpm_table_start = tmp;
468 
469 	ret = kv_read_smc_sram_dword(rdev, SMU7_FIRMWARE_HEADER_LOCATION +
470 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
471 				     &tmp, pi->sram_end);
472 
473 	if (ret == 0)
474 		pi->soft_regs_start = tmp;
475 
476 	return ret;
477 }
478 
kv_enable_dpm_voltage_scaling(struct radeon_device * rdev)479 static int kv_enable_dpm_voltage_scaling(struct radeon_device *rdev)
480 {
481 	struct kv_power_info *pi = kv_get_pi(rdev);
482 	int ret;
483 
484 	pi->graphics_voltage_change_enable = 1;
485 
486 	ret = kv_copy_bytes_to_smc(rdev,
487 				   pi->dpm_table_start +
488 				   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
489 				   &pi->graphics_voltage_change_enable,
490 				   sizeof(u8), pi->sram_end);
491 
492 	return ret;
493 }
494 
kv_set_dpm_interval(struct radeon_device * rdev)495 static int kv_set_dpm_interval(struct radeon_device *rdev)
496 {
497 	struct kv_power_info *pi = kv_get_pi(rdev);
498 	int ret;
499 
500 	pi->graphics_interval = 1;
501 
502 	ret = kv_copy_bytes_to_smc(rdev,
503 				   pi->dpm_table_start +
504 				   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
505 				   &pi->graphics_interval,
506 				   sizeof(u8), pi->sram_end);
507 
508 	return ret;
509 }
510 
kv_set_dpm_boot_state(struct radeon_device * rdev)511 static int kv_set_dpm_boot_state(struct radeon_device *rdev)
512 {
513 	struct kv_power_info *pi = kv_get_pi(rdev);
514 	int ret;
515 
516 	ret = kv_copy_bytes_to_smc(rdev,
517 				   pi->dpm_table_start +
518 				   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
519 				   &pi->graphics_boot_level,
520 				   sizeof(u8), pi->sram_end);
521 
522 	return ret;
523 }
524 
kv_program_vc(struct radeon_device * rdev)525 static void kv_program_vc(struct radeon_device *rdev)
526 {
527 	WREG32_SMC(CG_FTV_0, 0x3FFFC100);
528 }
529 
kv_clear_vc(struct radeon_device * rdev)530 static void kv_clear_vc(struct radeon_device *rdev)
531 {
532 	WREG32_SMC(CG_FTV_0, 0);
533 }
534 
kv_set_divider_value(struct radeon_device * rdev,u32 index,u32 sclk)535 static int kv_set_divider_value(struct radeon_device *rdev,
536 				u32 index, u32 sclk)
537 {
538 	struct kv_power_info *pi = kv_get_pi(rdev);
539 	struct atom_clock_dividers dividers;
540 	int ret;
541 
542 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
543 					     sclk, false, &dividers);
544 	if (ret)
545 		return ret;
546 
547 	pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
548 	pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
549 
550 	return 0;
551 }
552 
kv_convert_vid2_to_vid7(struct radeon_device * rdev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_2bit)553 static u32 kv_convert_vid2_to_vid7(struct radeon_device *rdev,
554 				   struct sumo_vid_mapping_table *vid_mapping_table,
555 				   u32 vid_2bit)
556 {
557 	struct radeon_clock_voltage_dependency_table *vddc_sclk_table =
558 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
559 	u32 i;
560 
561 	if (vddc_sclk_table && vddc_sclk_table->count) {
562 		if (vid_2bit < vddc_sclk_table->count)
563 			return vddc_sclk_table->entries[vid_2bit].v;
564 		else
565 			return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
566 	} else {
567 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
568 			if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
569 				return vid_mapping_table->entries[i].vid_7bit;
570 		}
571 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
572 	}
573 }
574 
kv_convert_vid7_to_vid2(struct radeon_device * rdev,struct sumo_vid_mapping_table * vid_mapping_table,u32 vid_7bit)575 static u32 kv_convert_vid7_to_vid2(struct radeon_device *rdev,
576 				   struct sumo_vid_mapping_table *vid_mapping_table,
577 				   u32 vid_7bit)
578 {
579 	struct radeon_clock_voltage_dependency_table *vddc_sclk_table =
580 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
581 	u32 i;
582 
583 	if (vddc_sclk_table && vddc_sclk_table->count) {
584 		for (i = 0; i < vddc_sclk_table->count; i++) {
585 			if (vddc_sclk_table->entries[i].v == vid_7bit)
586 				return i;
587 		}
588 		return vddc_sclk_table->count - 1;
589 	} else {
590 		for (i = 0; i < vid_mapping_table->num_entries; i++) {
591 			if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
592 				return vid_mapping_table->entries[i].vid_2bit;
593 		}
594 
595 		return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
596 	}
597 }
598 
kv_convert_8bit_index_to_voltage(struct radeon_device * rdev,u16 voltage)599 static u16 kv_convert_8bit_index_to_voltage(struct radeon_device *rdev,
600 					    u16 voltage)
601 {
602 	return 6200 - (voltage * 25);
603 }
604 
kv_convert_2bit_index_to_voltage(struct radeon_device * rdev,u32 vid_2bit)605 static u16 kv_convert_2bit_index_to_voltage(struct radeon_device *rdev,
606 					    u32 vid_2bit)
607 {
608 	struct kv_power_info *pi = kv_get_pi(rdev);
609 	u32 vid_8bit = kv_convert_vid2_to_vid7(rdev,
610 					       &pi->sys_info.vid_mapping_table,
611 					       vid_2bit);
612 
613 	return kv_convert_8bit_index_to_voltage(rdev, (u16)vid_8bit);
614 }
615 
616 
kv_set_vid(struct radeon_device * rdev,u32 index,u32 vid)617 static int kv_set_vid(struct radeon_device *rdev, u32 index, u32 vid)
618 {
619 	struct kv_power_info *pi = kv_get_pi(rdev);
620 
621 	pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
622 	pi->graphics_level[index].MinVddNb =
623 		cpu_to_be32(kv_convert_2bit_index_to_voltage(rdev, vid));
624 
625 	return 0;
626 }
627 
kv_set_at(struct radeon_device * rdev,u32 index,u32 at)628 static int kv_set_at(struct radeon_device *rdev, u32 index, u32 at)
629 {
630 	struct kv_power_info *pi = kv_get_pi(rdev);
631 
632 	pi->graphics_level[index].AT = cpu_to_be16((u16)at);
633 
634 	return 0;
635 }
636 
kv_dpm_power_level_enable(struct radeon_device * rdev,u32 index,bool enable)637 static void kv_dpm_power_level_enable(struct radeon_device *rdev,
638 				      u32 index, bool enable)
639 {
640 	struct kv_power_info *pi = kv_get_pi(rdev);
641 
642 	pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
643 }
644 
kv_start_dpm(struct radeon_device * rdev)645 static void kv_start_dpm(struct radeon_device *rdev)
646 {
647 	u32 tmp = RREG32_SMC(GENERAL_PWRMGT);
648 
649 	tmp |= GLOBAL_PWRMGT_EN;
650 	WREG32_SMC(GENERAL_PWRMGT, tmp);
651 
652 	kv_smc_dpm_enable(rdev, true);
653 }
654 
kv_stop_dpm(struct radeon_device * rdev)655 static void kv_stop_dpm(struct radeon_device *rdev)
656 {
657 	kv_smc_dpm_enable(rdev, false);
658 }
659 
kv_start_am(struct radeon_device * rdev)660 static void kv_start_am(struct radeon_device *rdev)
661 {
662 	u32 sclk_pwrmgt_cntl = RREG32_SMC(SCLK_PWRMGT_CNTL);
663 
664 	sclk_pwrmgt_cntl &= ~(RESET_SCLK_CNT | RESET_BUSY_CNT);
665 	sclk_pwrmgt_cntl |= DYNAMIC_PM_EN;
666 
667 	WREG32_SMC(SCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
668 }
669 
kv_reset_am(struct radeon_device * rdev)670 static void kv_reset_am(struct radeon_device *rdev)
671 {
672 	u32 sclk_pwrmgt_cntl = RREG32_SMC(SCLK_PWRMGT_CNTL);
673 
674 	sclk_pwrmgt_cntl |= (RESET_SCLK_CNT | RESET_BUSY_CNT);
675 
676 	WREG32_SMC(SCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
677 }
678 
kv_freeze_sclk_dpm(struct radeon_device * rdev,bool freeze)679 static int kv_freeze_sclk_dpm(struct radeon_device *rdev, bool freeze)
680 {
681 	return kv_notify_message_to_smu(rdev, freeze ?
682 					PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
683 }
684 
kv_force_lowest_valid(struct radeon_device * rdev)685 static int kv_force_lowest_valid(struct radeon_device *rdev)
686 {
687 	return kv_force_dpm_lowest(rdev);
688 }
689 
kv_unforce_levels(struct radeon_device * rdev)690 static int kv_unforce_levels(struct radeon_device *rdev)
691 {
692 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
693 		return kv_notify_message_to_smu(rdev, PPSMC_MSG_NoForcedLevel);
694 	else
695 		return kv_set_enabled_levels(rdev);
696 }
697 
kv_update_sclk_t(struct radeon_device * rdev)698 static int kv_update_sclk_t(struct radeon_device *rdev)
699 {
700 	struct kv_power_info *pi = kv_get_pi(rdev);
701 	u32 low_sclk_interrupt_t = 0;
702 	int ret = 0;
703 
704 	if (pi->caps_sclk_throttle_low_notification) {
705 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
706 
707 		ret = kv_copy_bytes_to_smc(rdev,
708 					   pi->dpm_table_start +
709 					   offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
710 					   (u8 *)&low_sclk_interrupt_t,
711 					   sizeof(u32), pi->sram_end);
712 	}
713 	return ret;
714 }
715 
kv_program_bootup_state(struct radeon_device * rdev)716 static int kv_program_bootup_state(struct radeon_device *rdev)
717 {
718 	struct kv_power_info *pi = kv_get_pi(rdev);
719 	u32 i;
720 	struct radeon_clock_voltage_dependency_table *table =
721 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
722 
723 	if (table && table->count) {
724 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
725 			if (table->entries[i].clk == pi->boot_pl.sclk)
726 				break;
727 		}
728 
729 		pi->graphics_boot_level = (u8)i;
730 		kv_dpm_power_level_enable(rdev, i, true);
731 	} else {
732 		struct sumo_sclk_voltage_mapping_table *table =
733 			&pi->sys_info.sclk_voltage_mapping_table;
734 
735 		if (table->num_max_dpm_entries == 0)
736 			return -EINVAL;
737 
738 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
739 			if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
740 				break;
741 		}
742 
743 		pi->graphics_boot_level = (u8)i;
744 		kv_dpm_power_level_enable(rdev, i, true);
745 	}
746 	return 0;
747 }
748 
kv_enable_auto_thermal_throttling(struct radeon_device * rdev)749 static int kv_enable_auto_thermal_throttling(struct radeon_device *rdev)
750 {
751 	struct kv_power_info *pi = kv_get_pi(rdev);
752 	int ret;
753 
754 	pi->graphics_therm_throttle_enable = 1;
755 
756 	ret = kv_copy_bytes_to_smc(rdev,
757 				   pi->dpm_table_start +
758 				   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
759 				   &pi->graphics_therm_throttle_enable,
760 				   sizeof(u8), pi->sram_end);
761 
762 	return ret;
763 }
764 
kv_upload_dpm_settings(struct radeon_device * rdev)765 static int kv_upload_dpm_settings(struct radeon_device *rdev)
766 {
767 	struct kv_power_info *pi = kv_get_pi(rdev);
768 	int ret;
769 
770 	ret = kv_copy_bytes_to_smc(rdev,
771 				   pi->dpm_table_start +
772 				   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
773 				   (u8 *)&pi->graphics_level,
774 				   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
775 				   pi->sram_end);
776 
777 	if (ret)
778 		return ret;
779 
780 	ret = kv_copy_bytes_to_smc(rdev,
781 				   pi->dpm_table_start +
782 				   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
783 				   &pi->graphics_dpm_level_count,
784 				   sizeof(u8), pi->sram_end);
785 
786 	return ret;
787 }
788 
kv_get_clock_difference(u32 a,u32 b)789 static u32 kv_get_clock_difference(u32 a, u32 b)
790 {
791 	return (a >= b) ? a - b : b - a;
792 }
793 
kv_get_clk_bypass(struct radeon_device * rdev,u32 clk)794 static u32 kv_get_clk_bypass(struct radeon_device *rdev, u32 clk)
795 {
796 	struct kv_power_info *pi = kv_get_pi(rdev);
797 	u32 value;
798 
799 	if (pi->caps_enable_dfs_bypass) {
800 		if (kv_get_clock_difference(clk, 40000) < 200)
801 			value = 3;
802 		else if (kv_get_clock_difference(clk, 30000) < 200)
803 			value = 2;
804 		else if (kv_get_clock_difference(clk, 20000) < 200)
805 			value = 7;
806 		else if (kv_get_clock_difference(clk, 15000) < 200)
807 			value = 6;
808 		else if (kv_get_clock_difference(clk, 10000) < 200)
809 			value = 8;
810 		else
811 			value = 0;
812 	} else {
813 		value = 0;
814 	}
815 
816 	return value;
817 }
818 
kv_populate_uvd_table(struct radeon_device * rdev)819 static int kv_populate_uvd_table(struct radeon_device *rdev)
820 {
821 	struct kv_power_info *pi = kv_get_pi(rdev);
822 	struct radeon_uvd_clock_voltage_dependency_table *table =
823 		&rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
824 	struct atom_clock_dividers dividers;
825 	int ret;
826 	u32 i;
827 
828 	if (table == NULL || table->count == 0)
829 		return 0;
830 
831 	pi->uvd_level_count = 0;
832 	for (i = 0; i < table->count; i++) {
833 		if (pi->high_voltage_t &&
834 		    (pi->high_voltage_t < table->entries[i].v))
835 			break;
836 
837 		pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
838 		pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
839 		pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
840 
841 		pi->uvd_level[i].VClkBypassCntl =
842 			(u8)kv_get_clk_bypass(rdev, table->entries[i].vclk);
843 		pi->uvd_level[i].DClkBypassCntl =
844 			(u8)kv_get_clk_bypass(rdev, table->entries[i].dclk);
845 
846 		ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
847 						     table->entries[i].vclk, false, &dividers);
848 		if (ret)
849 			return ret;
850 		pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
851 
852 		ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
853 						     table->entries[i].dclk, false, &dividers);
854 		if (ret)
855 			return ret;
856 		pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
857 
858 		pi->uvd_level_count++;
859 	}
860 
861 	ret = kv_copy_bytes_to_smc(rdev,
862 				   pi->dpm_table_start +
863 				   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
864 				   (u8 *)&pi->uvd_level_count,
865 				   sizeof(u8), pi->sram_end);
866 	if (ret)
867 		return ret;
868 
869 	pi->uvd_interval = 1;
870 
871 	ret = kv_copy_bytes_to_smc(rdev,
872 				   pi->dpm_table_start +
873 				   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
874 				   &pi->uvd_interval,
875 				   sizeof(u8), pi->sram_end);
876 	if (ret)
877 		return ret;
878 
879 	ret = kv_copy_bytes_to_smc(rdev,
880 				   pi->dpm_table_start +
881 				   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
882 				   (u8 *)&pi->uvd_level,
883 				   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
884 				   pi->sram_end);
885 
886 	return ret;
887 
888 }
889 
kv_populate_vce_table(struct radeon_device * rdev)890 static int kv_populate_vce_table(struct radeon_device *rdev)
891 {
892 	struct kv_power_info *pi = kv_get_pi(rdev);
893 	int ret;
894 	u32 i;
895 	struct radeon_vce_clock_voltage_dependency_table *table =
896 		&rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
897 	struct atom_clock_dividers dividers;
898 
899 	if (table == NULL || table->count == 0)
900 		return 0;
901 
902 	pi->vce_level_count = 0;
903 	for (i = 0; i < table->count; i++) {
904 		if (pi->high_voltage_t &&
905 		    pi->high_voltage_t < table->entries[i].v)
906 			break;
907 
908 		pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
909 		pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
910 
911 		pi->vce_level[i].ClkBypassCntl =
912 			(u8)kv_get_clk_bypass(rdev, table->entries[i].evclk);
913 
914 		ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
915 						     table->entries[i].evclk, false, &dividers);
916 		if (ret)
917 			return ret;
918 		pi->vce_level[i].Divider = (u8)dividers.post_div;
919 
920 		pi->vce_level_count++;
921 	}
922 
923 	ret = kv_copy_bytes_to_smc(rdev,
924 				   pi->dpm_table_start +
925 				   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
926 				   (u8 *)&pi->vce_level_count,
927 				   sizeof(u8),
928 				   pi->sram_end);
929 	if (ret)
930 		return ret;
931 
932 	pi->vce_interval = 1;
933 
934 	ret = kv_copy_bytes_to_smc(rdev,
935 				   pi->dpm_table_start +
936 				   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
937 				   (u8 *)&pi->vce_interval,
938 				   sizeof(u8),
939 				   pi->sram_end);
940 	if (ret)
941 		return ret;
942 
943 	ret = kv_copy_bytes_to_smc(rdev,
944 				   pi->dpm_table_start +
945 				   offsetof(SMU7_Fusion_DpmTable, VceLevel),
946 				   (u8 *)&pi->vce_level,
947 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
948 				   pi->sram_end);
949 
950 	return ret;
951 }
952 
kv_populate_samu_table(struct radeon_device * rdev)953 static int kv_populate_samu_table(struct radeon_device *rdev)
954 {
955 	struct kv_power_info *pi = kv_get_pi(rdev);
956 	struct radeon_clock_voltage_dependency_table *table =
957 		&rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
958 	struct atom_clock_dividers dividers;
959 	int ret;
960 	u32 i;
961 
962 	if (table == NULL || table->count == 0)
963 		return 0;
964 
965 	pi->samu_level_count = 0;
966 	for (i = 0; i < table->count; i++) {
967 		if (pi->high_voltage_t &&
968 		    pi->high_voltage_t < table->entries[i].v)
969 			break;
970 
971 		pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
972 		pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
973 
974 		pi->samu_level[i].ClkBypassCntl =
975 			(u8)kv_get_clk_bypass(rdev, table->entries[i].clk);
976 
977 		ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
978 						     table->entries[i].clk, false, &dividers);
979 		if (ret)
980 			return ret;
981 		pi->samu_level[i].Divider = (u8)dividers.post_div;
982 
983 		pi->samu_level_count++;
984 	}
985 
986 	ret = kv_copy_bytes_to_smc(rdev,
987 				   pi->dpm_table_start +
988 				   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
989 				   (u8 *)&pi->samu_level_count,
990 				   sizeof(u8),
991 				   pi->sram_end);
992 	if (ret)
993 		return ret;
994 
995 	pi->samu_interval = 1;
996 
997 	ret = kv_copy_bytes_to_smc(rdev,
998 				   pi->dpm_table_start +
999 				   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1000 				   (u8 *)&pi->samu_interval,
1001 				   sizeof(u8),
1002 				   pi->sram_end);
1003 	if (ret)
1004 		return ret;
1005 
1006 	ret = kv_copy_bytes_to_smc(rdev,
1007 				   pi->dpm_table_start +
1008 				   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1009 				   (u8 *)&pi->samu_level,
1010 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1011 				   pi->sram_end);
1012 	if (ret)
1013 		return ret;
1014 
1015 	return ret;
1016 }
1017 
1018 
kv_populate_acp_table(struct radeon_device * rdev)1019 static int kv_populate_acp_table(struct radeon_device *rdev)
1020 {
1021 	struct kv_power_info *pi = kv_get_pi(rdev);
1022 	struct radeon_clock_voltage_dependency_table *table =
1023 		&rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1024 	struct atom_clock_dividers dividers;
1025 	int ret;
1026 	u32 i;
1027 
1028 	if (table == NULL || table->count == 0)
1029 		return 0;
1030 
1031 	pi->acp_level_count = 0;
1032 	for (i = 0; i < table->count; i++) {
1033 		pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1034 		pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1035 
1036 		ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1037 						     table->entries[i].clk, false, &dividers);
1038 		if (ret)
1039 			return ret;
1040 		pi->acp_level[i].Divider = (u8)dividers.post_div;
1041 
1042 		pi->acp_level_count++;
1043 	}
1044 
1045 	ret = kv_copy_bytes_to_smc(rdev,
1046 				   pi->dpm_table_start +
1047 				   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1048 				   (u8 *)&pi->acp_level_count,
1049 				   sizeof(u8),
1050 				   pi->sram_end);
1051 	if (ret)
1052 		return ret;
1053 
1054 	pi->acp_interval = 1;
1055 
1056 	ret = kv_copy_bytes_to_smc(rdev,
1057 				   pi->dpm_table_start +
1058 				   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1059 				   (u8 *)&pi->acp_interval,
1060 				   sizeof(u8),
1061 				   pi->sram_end);
1062 	if (ret)
1063 		return ret;
1064 
1065 	ret = kv_copy_bytes_to_smc(rdev,
1066 				   pi->dpm_table_start +
1067 				   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1068 				   (u8 *)&pi->acp_level,
1069 				   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1070 				   pi->sram_end);
1071 	if (ret)
1072 		return ret;
1073 
1074 	return ret;
1075 }
1076 
kv_calculate_dfs_bypass_settings(struct radeon_device * rdev)1077 static void kv_calculate_dfs_bypass_settings(struct radeon_device *rdev)
1078 {
1079 	struct kv_power_info *pi = kv_get_pi(rdev);
1080 	u32 i;
1081 	struct radeon_clock_voltage_dependency_table *table =
1082 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1083 
1084 	if (table && table->count) {
1085 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1086 			if (pi->caps_enable_dfs_bypass) {
1087 				if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1088 					pi->graphics_level[i].ClkBypassCntl = 3;
1089 				else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1090 					pi->graphics_level[i].ClkBypassCntl = 2;
1091 				else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1092 					pi->graphics_level[i].ClkBypassCntl = 7;
1093 				else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200)
1094 					pi->graphics_level[i].ClkBypassCntl = 6;
1095 				else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200)
1096 					pi->graphics_level[i].ClkBypassCntl = 8;
1097 				else
1098 					pi->graphics_level[i].ClkBypassCntl = 0;
1099 			} else {
1100 				pi->graphics_level[i].ClkBypassCntl = 0;
1101 			}
1102 		}
1103 	} else {
1104 		struct sumo_sclk_voltage_mapping_table *table =
1105 			&pi->sys_info.sclk_voltage_mapping_table;
1106 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1107 			if (pi->caps_enable_dfs_bypass) {
1108 				if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1109 					pi->graphics_level[i].ClkBypassCntl = 3;
1110 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1111 					pi->graphics_level[i].ClkBypassCntl = 2;
1112 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1113 					pi->graphics_level[i].ClkBypassCntl = 7;
1114 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1115 					pi->graphics_level[i].ClkBypassCntl = 6;
1116 				else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1117 					pi->graphics_level[i].ClkBypassCntl = 8;
1118 				else
1119 					pi->graphics_level[i].ClkBypassCntl = 0;
1120 			} else {
1121 				pi->graphics_level[i].ClkBypassCntl = 0;
1122 			}
1123 		}
1124 	}
1125 }
1126 
kv_enable_ulv(struct radeon_device * rdev,bool enable)1127 static int kv_enable_ulv(struct radeon_device *rdev, bool enable)
1128 {
1129 	return kv_notify_message_to_smu(rdev, enable ?
1130 					PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1131 }
1132 
kv_reset_acp_boot_level(struct radeon_device * rdev)1133 static void kv_reset_acp_boot_level(struct radeon_device *rdev)
1134 {
1135 	struct kv_power_info *pi = kv_get_pi(rdev);
1136 
1137 	pi->acp_boot_level = 0xff;
1138 }
1139 
kv_update_current_ps(struct radeon_device * rdev,struct radeon_ps * rps)1140 static void kv_update_current_ps(struct radeon_device *rdev,
1141 				 struct radeon_ps *rps)
1142 {
1143 	struct kv_ps *new_ps = kv_get_ps(rps);
1144 	struct kv_power_info *pi = kv_get_pi(rdev);
1145 
1146 	pi->current_rps = *rps;
1147 	pi->current_ps = *new_ps;
1148 	pi->current_rps.ps_priv = &pi->current_ps;
1149 }
1150 
kv_update_requested_ps(struct radeon_device * rdev,struct radeon_ps * rps)1151 static void kv_update_requested_ps(struct radeon_device *rdev,
1152 				   struct radeon_ps *rps)
1153 {
1154 	struct kv_ps *new_ps = kv_get_ps(rps);
1155 	struct kv_power_info *pi = kv_get_pi(rdev);
1156 
1157 	pi->requested_rps = *rps;
1158 	pi->requested_ps = *new_ps;
1159 	pi->requested_rps.ps_priv = &pi->requested_ps;
1160 }
1161 
kv_dpm_enable_bapm(struct radeon_device * rdev,bool enable)1162 void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable)
1163 {
1164 	struct kv_power_info *pi = kv_get_pi(rdev);
1165 	int ret;
1166 
1167 	if (pi->bapm_enable) {
1168 		ret = kv_smc_bapm_enable(rdev, enable);
1169 		if (ret)
1170 			DRM_ERROR("kv_smc_bapm_enable failed\n");
1171 	}
1172 }
1173 
kv_enable_thermal_int(struct radeon_device * rdev,bool enable)1174 static void kv_enable_thermal_int(struct radeon_device *rdev, bool enable)
1175 {
1176 	u32 thermal_int;
1177 
1178 	thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL);
1179 	if (enable)
1180 		thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK;
1181 	else
1182 		thermal_int &= ~(THERM_INTH_MASK | THERM_INTL_MASK);
1183 	WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int);
1184 
1185 }
1186 
kv_dpm_enable(struct radeon_device * rdev)1187 int kv_dpm_enable(struct radeon_device *rdev)
1188 {
1189 	struct kv_power_info *pi = kv_get_pi(rdev);
1190 	int ret;
1191 
1192 	ret = kv_process_firmware_header(rdev);
1193 	if (ret) {
1194 		DRM_ERROR("kv_process_firmware_header failed\n");
1195 		return ret;
1196 	}
1197 	kv_init_fps_limits(rdev);
1198 	kv_init_graphics_levels(rdev);
1199 	ret = kv_program_bootup_state(rdev);
1200 	if (ret) {
1201 		DRM_ERROR("kv_program_bootup_state failed\n");
1202 		return ret;
1203 	}
1204 	kv_calculate_dfs_bypass_settings(rdev);
1205 	ret = kv_upload_dpm_settings(rdev);
1206 	if (ret) {
1207 		DRM_ERROR("kv_upload_dpm_settings failed\n");
1208 		return ret;
1209 	}
1210 	ret = kv_populate_uvd_table(rdev);
1211 	if (ret) {
1212 		DRM_ERROR("kv_populate_uvd_table failed\n");
1213 		return ret;
1214 	}
1215 	ret = kv_populate_vce_table(rdev);
1216 	if (ret) {
1217 		DRM_ERROR("kv_populate_vce_table failed\n");
1218 		return ret;
1219 	}
1220 	ret = kv_populate_samu_table(rdev);
1221 	if (ret) {
1222 		DRM_ERROR("kv_populate_samu_table failed\n");
1223 		return ret;
1224 	}
1225 	ret = kv_populate_acp_table(rdev);
1226 	if (ret) {
1227 		DRM_ERROR("kv_populate_acp_table failed\n");
1228 		return ret;
1229 	}
1230 	kv_program_vc(rdev);
1231 #if 0
1232 	kv_initialize_hardware_cac_manager(rdev);
1233 #endif
1234 	kv_start_am(rdev);
1235 	if (pi->enable_auto_thermal_throttling) {
1236 		ret = kv_enable_auto_thermal_throttling(rdev);
1237 		if (ret) {
1238 			DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
1239 			return ret;
1240 		}
1241 	}
1242 	ret = kv_enable_dpm_voltage_scaling(rdev);
1243 	if (ret) {
1244 		DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
1245 		return ret;
1246 	}
1247 	ret = kv_set_dpm_interval(rdev);
1248 	if (ret) {
1249 		DRM_ERROR("kv_set_dpm_interval failed\n");
1250 		return ret;
1251 	}
1252 	ret = kv_set_dpm_boot_state(rdev);
1253 	if (ret) {
1254 		DRM_ERROR("kv_set_dpm_boot_state failed\n");
1255 		return ret;
1256 	}
1257 	ret = kv_enable_ulv(rdev, true);
1258 	if (ret) {
1259 		DRM_ERROR("kv_enable_ulv failed\n");
1260 		return ret;
1261 	}
1262 	kv_start_dpm(rdev);
1263 	ret = kv_enable_didt(rdev, true);
1264 	if (ret) {
1265 		DRM_ERROR("kv_enable_didt failed\n");
1266 		return ret;
1267 	}
1268 	ret = kv_enable_smc_cac(rdev, true);
1269 	if (ret) {
1270 		DRM_ERROR("kv_enable_smc_cac failed\n");
1271 		return ret;
1272 	}
1273 
1274 	kv_reset_acp_boot_level(rdev);
1275 
1276 	ret = kv_smc_bapm_enable(rdev, false);
1277 	if (ret) {
1278 		DRM_ERROR("kv_smc_bapm_enable failed\n");
1279 		return ret;
1280 	}
1281 
1282 	kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1283 
1284 	return ret;
1285 }
1286 
kv_dpm_late_enable(struct radeon_device * rdev)1287 int kv_dpm_late_enable(struct radeon_device *rdev)
1288 {
1289 	int ret = 0;
1290 
1291 	if (rdev->irq.installed &&
1292 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1293 		ret = kv_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
1294 		if (ret) {
1295 			DRM_ERROR("kv_set_thermal_temperature_range failed\n");
1296 			return ret;
1297 		}
1298 		kv_enable_thermal_int(rdev, true);
1299 	}
1300 
1301 	/* powerdown unused blocks for now */
1302 	kv_dpm_powergate_acp(rdev, true);
1303 	kv_dpm_powergate_samu(rdev, true);
1304 	kv_dpm_powergate_vce(rdev, true);
1305 	kv_dpm_powergate_uvd(rdev, true);
1306 
1307 	return ret;
1308 }
1309 
kv_dpm_disable(struct radeon_device * rdev)1310 void kv_dpm_disable(struct radeon_device *rdev)
1311 {
1312 	kv_smc_bapm_enable(rdev, false);
1313 
1314 	if (rdev->family == CHIP_MULLINS)
1315 		kv_enable_nb_dpm(rdev, false);
1316 
1317 	/* powerup blocks */
1318 	kv_dpm_powergate_acp(rdev, false);
1319 	kv_dpm_powergate_samu(rdev, false);
1320 	kv_dpm_powergate_vce(rdev, false);
1321 	kv_dpm_powergate_uvd(rdev, false);
1322 
1323 	kv_enable_smc_cac(rdev, false);
1324 	kv_enable_didt(rdev, false);
1325 	kv_clear_vc(rdev);
1326 	kv_stop_dpm(rdev);
1327 	kv_enable_ulv(rdev, false);
1328 	kv_reset_am(rdev);
1329 	kv_enable_thermal_int(rdev, false);
1330 
1331 	kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1332 }
1333 
1334 #if 0
1335 static int kv_write_smc_soft_register(struct radeon_device *rdev,
1336 				      u16 reg_offset, u32 value)
1337 {
1338 	struct kv_power_info *pi = kv_get_pi(rdev);
1339 
1340 	return kv_copy_bytes_to_smc(rdev, pi->soft_regs_start + reg_offset,
1341 				    (u8 *)&value, sizeof(u16), pi->sram_end);
1342 }
1343 
1344 static int kv_read_smc_soft_register(struct radeon_device *rdev,
1345 				     u16 reg_offset, u32 *value)
1346 {
1347 	struct kv_power_info *pi = kv_get_pi(rdev);
1348 
1349 	return kv_read_smc_sram_dword(rdev, pi->soft_regs_start + reg_offset,
1350 				      value, pi->sram_end);
1351 }
1352 #endif
1353 
kv_init_sclk_t(struct radeon_device * rdev)1354 static void kv_init_sclk_t(struct radeon_device *rdev)
1355 {
1356 	struct kv_power_info *pi = kv_get_pi(rdev);
1357 
1358 	pi->low_sclk_interrupt_t = 0;
1359 }
1360 
kv_init_fps_limits(struct radeon_device * rdev)1361 static int kv_init_fps_limits(struct radeon_device *rdev)
1362 {
1363 	struct kv_power_info *pi = kv_get_pi(rdev);
1364 	int ret = 0;
1365 
1366 	if (pi->caps_fps) {
1367 		u16 tmp;
1368 
1369 		tmp = 45;
1370 		pi->fps_high_t = cpu_to_be16(tmp);
1371 		ret = kv_copy_bytes_to_smc(rdev,
1372 					   pi->dpm_table_start +
1373 					   offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1374 					   (u8 *)&pi->fps_high_t,
1375 					   sizeof(u16), pi->sram_end);
1376 
1377 		tmp = 30;
1378 		pi->fps_low_t = cpu_to_be16(tmp);
1379 
1380 		ret = kv_copy_bytes_to_smc(rdev,
1381 					   pi->dpm_table_start +
1382 					   offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1383 					   (u8 *)&pi->fps_low_t,
1384 					   sizeof(u16), pi->sram_end);
1385 
1386 	}
1387 	return ret;
1388 }
1389 
kv_init_powergate_state(struct radeon_device * rdev)1390 static void kv_init_powergate_state(struct radeon_device *rdev)
1391 {
1392 	struct kv_power_info *pi = kv_get_pi(rdev);
1393 
1394 	pi->uvd_power_gated = false;
1395 	pi->vce_power_gated = false;
1396 	pi->samu_power_gated = false;
1397 	pi->acp_power_gated = false;
1398 
1399 }
1400 
kv_enable_uvd_dpm(struct radeon_device * rdev,bool enable)1401 static int kv_enable_uvd_dpm(struct radeon_device *rdev, bool enable)
1402 {
1403 	return kv_notify_message_to_smu(rdev, enable ?
1404 					PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1405 }
1406 
kv_enable_vce_dpm(struct radeon_device * rdev,bool enable)1407 static int kv_enable_vce_dpm(struct radeon_device *rdev, bool enable)
1408 {
1409 	return kv_notify_message_to_smu(rdev, enable ?
1410 					PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1411 }
1412 
kv_enable_samu_dpm(struct radeon_device * rdev,bool enable)1413 static int kv_enable_samu_dpm(struct radeon_device *rdev, bool enable)
1414 {
1415 	return kv_notify_message_to_smu(rdev, enable ?
1416 					PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1417 }
1418 
kv_enable_acp_dpm(struct radeon_device * rdev,bool enable)1419 static int kv_enable_acp_dpm(struct radeon_device *rdev, bool enable)
1420 {
1421 	return kv_notify_message_to_smu(rdev, enable ?
1422 					PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1423 }
1424 
kv_update_uvd_dpm(struct radeon_device * rdev,bool gate)1425 static int kv_update_uvd_dpm(struct radeon_device *rdev, bool gate)
1426 {
1427 	struct kv_power_info *pi = kv_get_pi(rdev);
1428 	struct radeon_uvd_clock_voltage_dependency_table *table =
1429 		&rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1430 	int ret;
1431 	u32 mask;
1432 
1433 	if (!gate) {
1434 		if (table->count)
1435 			pi->uvd_boot_level = table->count - 1;
1436 		else
1437 			pi->uvd_boot_level = 0;
1438 
1439 		if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1440 			mask = 1 << pi->uvd_boot_level;
1441 		} else {
1442 			mask = 0x1f;
1443 		}
1444 
1445 		ret = kv_copy_bytes_to_smc(rdev,
1446 					   pi->dpm_table_start +
1447 					   offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1448 					   (uint8_t *)&pi->uvd_boot_level,
1449 					   sizeof(u8), pi->sram_end);
1450 		if (ret)
1451 			return ret;
1452 
1453 		kv_send_msg_to_smc_with_parameter(rdev,
1454 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
1455 						  mask);
1456 	}
1457 
1458 	return kv_enable_uvd_dpm(rdev, !gate);
1459 }
1460 
kv_get_vce_boot_level(struct radeon_device * rdev,u32 evclk)1461 static u8 kv_get_vce_boot_level(struct radeon_device *rdev, u32 evclk)
1462 {
1463 	u8 i;
1464 	struct radeon_vce_clock_voltage_dependency_table *table =
1465 		&rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1466 
1467 	for (i = 0; i < table->count; i++) {
1468 		if (table->entries[i].evclk >= evclk)
1469 			break;
1470 	}
1471 
1472 	return i;
1473 }
1474 
kv_update_vce_dpm(struct radeon_device * rdev,struct radeon_ps * radeon_new_state,struct radeon_ps * radeon_current_state)1475 static int kv_update_vce_dpm(struct radeon_device *rdev,
1476 			     struct radeon_ps *radeon_new_state,
1477 			     struct radeon_ps *radeon_current_state)
1478 {
1479 	struct kv_power_info *pi = kv_get_pi(rdev);
1480 	struct radeon_vce_clock_voltage_dependency_table *table =
1481 		&rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1482 	int ret;
1483 
1484 	if (radeon_new_state->evclk > 0 && radeon_current_state->evclk == 0) {
1485 		kv_dpm_powergate_vce(rdev, false);
1486 		/* turn the clocks on when encoding */
1487 		cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
1488 		if (pi->caps_stable_p_state)
1489 			pi->vce_boot_level = table->count - 1;
1490 		else
1491 			pi->vce_boot_level = kv_get_vce_boot_level(rdev, radeon_new_state->evclk);
1492 
1493 		ret = kv_copy_bytes_to_smc(rdev,
1494 					   pi->dpm_table_start +
1495 					   offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
1496 					   (u8 *)&pi->vce_boot_level,
1497 					   sizeof(u8),
1498 					   pi->sram_end);
1499 		if (ret)
1500 			return ret;
1501 
1502 		if (pi->caps_stable_p_state)
1503 			kv_send_msg_to_smc_with_parameter(rdev,
1504 							  PPSMC_MSG_VCEDPM_SetEnabledMask,
1505 							  (1 << pi->vce_boot_level));
1506 
1507 		kv_enable_vce_dpm(rdev, true);
1508 	} else if (radeon_new_state->evclk == 0 && radeon_current_state->evclk > 0) {
1509 		kv_enable_vce_dpm(rdev, false);
1510 		/* turn the clocks off when not encoding */
1511 		cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);
1512 		kv_dpm_powergate_vce(rdev, true);
1513 	}
1514 
1515 	return 0;
1516 }
1517 
kv_update_samu_dpm(struct radeon_device * rdev,bool gate)1518 static int kv_update_samu_dpm(struct radeon_device *rdev, bool gate)
1519 {
1520 	struct kv_power_info *pi = kv_get_pi(rdev);
1521 	struct radeon_clock_voltage_dependency_table *table =
1522 		&rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1523 	int ret;
1524 
1525 	if (!gate) {
1526 		if (pi->caps_stable_p_state)
1527 			pi->samu_boot_level = table->count - 1;
1528 		else
1529 			pi->samu_boot_level = 0;
1530 
1531 		ret = kv_copy_bytes_to_smc(rdev,
1532 					   pi->dpm_table_start +
1533 					   offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1534 					   (u8 *)&pi->samu_boot_level,
1535 					   sizeof(u8),
1536 					   pi->sram_end);
1537 		if (ret)
1538 			return ret;
1539 
1540 		if (pi->caps_stable_p_state)
1541 			kv_send_msg_to_smc_with_parameter(rdev,
1542 							  PPSMC_MSG_SAMUDPM_SetEnabledMask,
1543 							  (1 << pi->samu_boot_level));
1544 	}
1545 
1546 	return kv_enable_samu_dpm(rdev, !gate);
1547 }
1548 
kv_get_acp_boot_level(struct radeon_device * rdev)1549 static u8 kv_get_acp_boot_level(struct radeon_device *rdev)
1550 {
1551 	u8 i;
1552 	struct radeon_clock_voltage_dependency_table *table =
1553 		&rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1554 
1555 	for (i = 0; i < table->count; i++) {
1556 		if (table->entries[i].clk >= 0) /* XXX */
1557 			break;
1558 	}
1559 
1560 	if (i >= table->count)
1561 		i = table->count - 1;
1562 
1563 	return i;
1564 }
1565 
kv_update_acp_boot_level(struct radeon_device * rdev)1566 static void kv_update_acp_boot_level(struct radeon_device *rdev)
1567 {
1568 	struct kv_power_info *pi = kv_get_pi(rdev);
1569 	u8 acp_boot_level;
1570 
1571 	if (!pi->caps_stable_p_state) {
1572 		acp_boot_level = kv_get_acp_boot_level(rdev);
1573 		if (acp_boot_level != pi->acp_boot_level) {
1574 			pi->acp_boot_level = acp_boot_level;
1575 			kv_send_msg_to_smc_with_parameter(rdev,
1576 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1577 							  (1 << pi->acp_boot_level));
1578 		}
1579 	}
1580 }
1581 
kv_update_acp_dpm(struct radeon_device * rdev,bool gate)1582 static int kv_update_acp_dpm(struct radeon_device *rdev, bool gate)
1583 {
1584 	struct kv_power_info *pi = kv_get_pi(rdev);
1585 	struct radeon_clock_voltage_dependency_table *table =
1586 		&rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1587 	int ret;
1588 
1589 	if (!gate) {
1590 		if (pi->caps_stable_p_state)
1591 			pi->acp_boot_level = table->count - 1;
1592 		else
1593 			pi->acp_boot_level = kv_get_acp_boot_level(rdev);
1594 
1595 		ret = kv_copy_bytes_to_smc(rdev,
1596 					   pi->dpm_table_start +
1597 					   offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1598 					   (u8 *)&pi->acp_boot_level,
1599 					   sizeof(u8),
1600 					   pi->sram_end);
1601 		if (ret)
1602 			return ret;
1603 
1604 		if (pi->caps_stable_p_state)
1605 			kv_send_msg_to_smc_with_parameter(rdev,
1606 							  PPSMC_MSG_ACPDPM_SetEnabledMask,
1607 							  (1 << pi->acp_boot_level));
1608 	}
1609 
1610 	return kv_enable_acp_dpm(rdev, !gate);
1611 }
1612 
kv_dpm_powergate_uvd(struct radeon_device * rdev,bool gate)1613 void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate)
1614 {
1615 	struct kv_power_info *pi = kv_get_pi(rdev);
1616 
1617 	if (pi->uvd_power_gated == gate)
1618 		return;
1619 
1620 	pi->uvd_power_gated = gate;
1621 
1622 	if (gate) {
1623 		if (pi->caps_uvd_pg) {
1624 			uvd_v1_0_stop(rdev);
1625 			cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
1626 		}
1627 		kv_update_uvd_dpm(rdev, gate);
1628 		if (pi->caps_uvd_pg)
1629 			kv_notify_message_to_smu(rdev, PPSMC_MSG_UVDPowerOFF);
1630 	} else {
1631 		if (pi->caps_uvd_pg) {
1632 			kv_notify_message_to_smu(rdev, PPSMC_MSG_UVDPowerON);
1633 			uvd_v4_2_resume(rdev);
1634 			uvd_v1_0_start(rdev);
1635 			cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
1636 		}
1637 		kv_update_uvd_dpm(rdev, gate);
1638 	}
1639 }
1640 
kv_dpm_powergate_vce(struct radeon_device * rdev,bool gate)1641 static void kv_dpm_powergate_vce(struct radeon_device *rdev, bool gate)
1642 {
1643 	struct kv_power_info *pi = kv_get_pi(rdev);
1644 
1645 	if (pi->vce_power_gated == gate)
1646 		return;
1647 
1648 	pi->vce_power_gated = gate;
1649 
1650 	if (gate) {
1651 		if (pi->caps_vce_pg) {
1652 			/* XXX do we need a vce_v1_0_stop() ?  */
1653 			kv_notify_message_to_smu(rdev, PPSMC_MSG_VCEPowerOFF);
1654 		}
1655 	} else {
1656 		if (pi->caps_vce_pg) {
1657 			kv_notify_message_to_smu(rdev, PPSMC_MSG_VCEPowerON);
1658 			vce_v2_0_resume(rdev);
1659 			vce_v1_0_start(rdev);
1660 		}
1661 	}
1662 }
1663 
kv_dpm_powergate_samu(struct radeon_device * rdev,bool gate)1664 static void kv_dpm_powergate_samu(struct radeon_device *rdev, bool gate)
1665 {
1666 	struct kv_power_info *pi = kv_get_pi(rdev);
1667 
1668 	if (pi->samu_power_gated == gate)
1669 		return;
1670 
1671 	pi->samu_power_gated = gate;
1672 
1673 	if (gate) {
1674 		kv_update_samu_dpm(rdev, true);
1675 		if (pi->caps_samu_pg)
1676 			kv_notify_message_to_smu(rdev, PPSMC_MSG_SAMPowerOFF);
1677 	} else {
1678 		if (pi->caps_samu_pg)
1679 			kv_notify_message_to_smu(rdev, PPSMC_MSG_SAMPowerON);
1680 		kv_update_samu_dpm(rdev, false);
1681 	}
1682 }
1683 
kv_dpm_powergate_acp(struct radeon_device * rdev,bool gate)1684 static void kv_dpm_powergate_acp(struct radeon_device *rdev, bool gate)
1685 {
1686 	struct kv_power_info *pi = kv_get_pi(rdev);
1687 
1688 	if (pi->acp_power_gated == gate)
1689 		return;
1690 
1691 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
1692 		return;
1693 
1694 	pi->acp_power_gated = gate;
1695 
1696 	if (gate) {
1697 		kv_update_acp_dpm(rdev, true);
1698 		if (pi->caps_acp_pg)
1699 			kv_notify_message_to_smu(rdev, PPSMC_MSG_ACPPowerOFF);
1700 	} else {
1701 		if (pi->caps_acp_pg)
1702 			kv_notify_message_to_smu(rdev, PPSMC_MSG_ACPPowerON);
1703 		kv_update_acp_dpm(rdev, false);
1704 	}
1705 }
1706 
kv_set_valid_clock_range(struct radeon_device * rdev,struct radeon_ps * new_rps)1707 static void kv_set_valid_clock_range(struct radeon_device *rdev,
1708 				     struct radeon_ps *new_rps)
1709 {
1710 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1711 	struct kv_power_info *pi = kv_get_pi(rdev);
1712 	u32 i;
1713 	struct radeon_clock_voltage_dependency_table *table =
1714 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1715 
1716 	if (table && table->count) {
1717 		for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1718 			if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1719 			    (i == (pi->graphics_dpm_level_count - 1))) {
1720 				pi->lowest_valid = i;
1721 				break;
1722 			}
1723 		}
1724 
1725 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1726 			if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1727 				break;
1728 		}
1729 		pi->highest_valid = i;
1730 
1731 		if (pi->lowest_valid > pi->highest_valid) {
1732 			if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1733 			    (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1734 				pi->highest_valid = pi->lowest_valid;
1735 			else
1736 				pi->lowest_valid =  pi->highest_valid;
1737 		}
1738 	} else {
1739 		struct sumo_sclk_voltage_mapping_table *table =
1740 			&pi->sys_info.sclk_voltage_mapping_table;
1741 
1742 		for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1743 			if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1744 			    i == (int)(pi->graphics_dpm_level_count - 1)) {
1745 				pi->lowest_valid = i;
1746 				break;
1747 			}
1748 		}
1749 
1750 		for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1751 			if (table->entries[i].sclk_frequency <=
1752 			    new_ps->levels[new_ps->num_levels - 1].sclk)
1753 				break;
1754 		}
1755 		pi->highest_valid = i;
1756 
1757 		if (pi->lowest_valid > pi->highest_valid) {
1758 			if ((new_ps->levels[0].sclk -
1759 			     table->entries[pi->highest_valid].sclk_frequency) >
1760 			    (table->entries[pi->lowest_valid].sclk_frequency -
1761 			     new_ps->levels[new_ps->num_levels -1].sclk))
1762 				pi->highest_valid = pi->lowest_valid;
1763 			else
1764 				pi->lowest_valid =  pi->highest_valid;
1765 		}
1766 	}
1767 }
1768 
kv_update_dfs_bypass_settings(struct radeon_device * rdev,struct radeon_ps * new_rps)1769 static int kv_update_dfs_bypass_settings(struct radeon_device *rdev,
1770 					 struct radeon_ps *new_rps)
1771 {
1772 	struct kv_ps *new_ps = kv_get_ps(new_rps);
1773 	struct kv_power_info *pi = kv_get_pi(rdev);
1774 	int ret = 0;
1775 	u8 clk_bypass_cntl;
1776 
1777 	if (pi->caps_enable_dfs_bypass) {
1778 		clk_bypass_cntl = new_ps->need_dfs_bypass ?
1779 			pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1780 		ret = kv_copy_bytes_to_smc(rdev,
1781 					   (pi->dpm_table_start +
1782 					    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1783 					    (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1784 					    offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1785 					   &clk_bypass_cntl,
1786 					   sizeof(u8), pi->sram_end);
1787 	}
1788 
1789 	return ret;
1790 }
1791 
kv_enable_nb_dpm(struct radeon_device * rdev,bool enable)1792 static int kv_enable_nb_dpm(struct radeon_device *rdev,
1793 			    bool enable)
1794 {
1795 	struct kv_power_info *pi = kv_get_pi(rdev);
1796 	int ret = 0;
1797 
1798 	if (enable) {
1799 		if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1800 			ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_NBDPM_Enable);
1801 			if (ret == 0)
1802 				pi->nb_dpm_enabled = true;
1803 		}
1804 	} else {
1805 		if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1806 			ret = kv_notify_message_to_smu(rdev, PPSMC_MSG_NBDPM_Disable);
1807 			if (ret == 0)
1808 				pi->nb_dpm_enabled = false;
1809 		}
1810 	}
1811 
1812 	return ret;
1813 }
1814 
kv_dpm_force_performance_level(struct radeon_device * rdev,enum radeon_dpm_forced_level level)1815 int kv_dpm_force_performance_level(struct radeon_device *rdev,
1816 				   enum radeon_dpm_forced_level level)
1817 {
1818 	int ret;
1819 
1820 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1821 		ret = kv_force_dpm_highest(rdev);
1822 		if (ret)
1823 			return ret;
1824 	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1825 		ret = kv_force_dpm_lowest(rdev);
1826 		if (ret)
1827 			return ret;
1828 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
1829 		ret = kv_unforce_levels(rdev);
1830 		if (ret)
1831 			return ret;
1832 	}
1833 
1834 	rdev->pm.dpm.forced_level = level;
1835 
1836 	return 0;
1837 }
1838 
kv_dpm_pre_set_power_state(struct radeon_device * rdev)1839 int kv_dpm_pre_set_power_state(struct radeon_device *rdev)
1840 {
1841 	struct kv_power_info *pi = kv_get_pi(rdev);
1842 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
1843 	struct radeon_ps *new_ps = &requested_ps;
1844 
1845 	kv_update_requested_ps(rdev, new_ps);
1846 
1847 	kv_apply_state_adjust_rules(rdev,
1848 				    &pi->requested_rps,
1849 				    &pi->current_rps);
1850 
1851 	return 0;
1852 }
1853 
kv_dpm_set_power_state(struct radeon_device * rdev)1854 int kv_dpm_set_power_state(struct radeon_device *rdev)
1855 {
1856 	struct kv_power_info *pi = kv_get_pi(rdev);
1857 	struct radeon_ps *new_ps = &pi->requested_rps;
1858 	struct radeon_ps *old_ps = &pi->current_rps;
1859 	int ret;
1860 
1861 	if (pi->bapm_enable) {
1862 		ret = kv_smc_bapm_enable(rdev, rdev->pm.dpm.ac_power);
1863 		if (ret) {
1864 			DRM_ERROR("kv_smc_bapm_enable failed\n");
1865 			return ret;
1866 		}
1867 	}
1868 
1869 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS) {
1870 		if (pi->enable_dpm) {
1871 			kv_set_valid_clock_range(rdev, new_ps);
1872 			kv_update_dfs_bypass_settings(rdev, new_ps);
1873 			ret = kv_calculate_ds_divider(rdev);
1874 			if (ret) {
1875 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1876 				return ret;
1877 			}
1878 			kv_calculate_nbps_level_settings(rdev);
1879 			kv_calculate_dpm_settings(rdev);
1880 			kv_force_lowest_valid(rdev);
1881 			kv_enable_new_levels(rdev);
1882 			kv_upload_dpm_settings(rdev);
1883 			kv_program_nbps_index_settings(rdev, new_ps);
1884 			kv_unforce_levels(rdev);
1885 			kv_set_enabled_levels(rdev);
1886 			kv_force_lowest_valid(rdev);
1887 			kv_unforce_levels(rdev);
1888 
1889 			ret = kv_update_vce_dpm(rdev, new_ps, old_ps);
1890 			if (ret) {
1891 				DRM_ERROR("kv_update_vce_dpm failed\n");
1892 				return ret;
1893 			}
1894 			kv_update_sclk_t(rdev);
1895 			if (rdev->family == CHIP_MULLINS)
1896 				kv_enable_nb_dpm(rdev, true);
1897 		}
1898 	} else {
1899 		if (pi->enable_dpm) {
1900 			kv_set_valid_clock_range(rdev, new_ps);
1901 			kv_update_dfs_bypass_settings(rdev, new_ps);
1902 			ret = kv_calculate_ds_divider(rdev);
1903 			if (ret) {
1904 				DRM_ERROR("kv_calculate_ds_divider failed\n");
1905 				return ret;
1906 			}
1907 			kv_calculate_nbps_level_settings(rdev);
1908 			kv_calculate_dpm_settings(rdev);
1909 			kv_freeze_sclk_dpm(rdev, true);
1910 			kv_upload_dpm_settings(rdev);
1911 			kv_program_nbps_index_settings(rdev, new_ps);
1912 			kv_freeze_sclk_dpm(rdev, false);
1913 			kv_set_enabled_levels(rdev);
1914 			ret = kv_update_vce_dpm(rdev, new_ps, old_ps);
1915 			if (ret) {
1916 				DRM_ERROR("kv_update_vce_dpm failed\n");
1917 				return ret;
1918 			}
1919 			kv_update_acp_boot_level(rdev);
1920 			kv_update_sclk_t(rdev);
1921 			kv_enable_nb_dpm(rdev, true);
1922 		}
1923 	}
1924 
1925 	return 0;
1926 }
1927 
kv_dpm_post_set_power_state(struct radeon_device * rdev)1928 void kv_dpm_post_set_power_state(struct radeon_device *rdev)
1929 {
1930 	struct kv_power_info *pi = kv_get_pi(rdev);
1931 	struct radeon_ps *new_ps = &pi->requested_rps;
1932 
1933 	kv_update_current_ps(rdev, new_ps);
1934 }
1935 
kv_dpm_setup_asic(struct radeon_device * rdev)1936 void kv_dpm_setup_asic(struct radeon_device *rdev)
1937 {
1938 	sumo_take_smu_control(rdev, true);
1939 	kv_init_powergate_state(rdev);
1940 	kv_init_sclk_t(rdev);
1941 }
1942 
1943 #if 0
1944 void kv_dpm_reset_asic(struct radeon_device *rdev)
1945 {
1946 	struct kv_power_info *pi = kv_get_pi(rdev);
1947 
1948 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS) {
1949 		kv_force_lowest_valid(rdev);
1950 		kv_init_graphics_levels(rdev);
1951 		kv_program_bootup_state(rdev);
1952 		kv_upload_dpm_settings(rdev);
1953 		kv_force_lowest_valid(rdev);
1954 		kv_unforce_levels(rdev);
1955 	} else {
1956 		kv_init_graphics_levels(rdev);
1957 		kv_program_bootup_state(rdev);
1958 		kv_freeze_sclk_dpm(rdev, true);
1959 		kv_upload_dpm_settings(rdev);
1960 		kv_freeze_sclk_dpm(rdev, false);
1961 		kv_set_enabled_level(rdev, pi->graphics_boot_level);
1962 	}
1963 }
1964 #endif
1965 
1966 //XXX use sumo_dpm_display_configuration_changed
1967 
kv_construct_max_power_limits_table(struct radeon_device * rdev,struct radeon_clock_and_voltage_limits * table)1968 static void kv_construct_max_power_limits_table(struct radeon_device *rdev,
1969 						struct radeon_clock_and_voltage_limits *table)
1970 {
1971 	struct kv_power_info *pi = kv_get_pi(rdev);
1972 
1973 	if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
1974 		int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
1975 		table->sclk =
1976 			pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
1977 		table->vddc =
1978 			kv_convert_2bit_index_to_voltage(rdev,
1979 							 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
1980 	}
1981 
1982 	table->mclk = pi->sys_info.nbp_memory_clock[0];
1983 }
1984 
kv_patch_voltage_values(struct radeon_device * rdev)1985 static void kv_patch_voltage_values(struct radeon_device *rdev)
1986 {
1987 	int i;
1988 	struct radeon_uvd_clock_voltage_dependency_table *uvd_table =
1989 		&rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1990 	struct radeon_vce_clock_voltage_dependency_table *vce_table =
1991 		&rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1992 	struct radeon_clock_voltage_dependency_table *samu_table =
1993 		&rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1994 	struct radeon_clock_voltage_dependency_table *acp_table =
1995 		&rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1996 
1997 	if (uvd_table->count) {
1998 		for (i = 0; i < uvd_table->count; i++)
1999 			uvd_table->entries[i].v =
2000 				kv_convert_8bit_index_to_voltage(rdev,
2001 								 uvd_table->entries[i].v);
2002 	}
2003 
2004 	if (vce_table->count) {
2005 		for (i = 0; i < vce_table->count; i++)
2006 			vce_table->entries[i].v =
2007 				kv_convert_8bit_index_to_voltage(rdev,
2008 								 vce_table->entries[i].v);
2009 	}
2010 
2011 	if (samu_table->count) {
2012 		for (i = 0; i < samu_table->count; i++)
2013 			samu_table->entries[i].v =
2014 				kv_convert_8bit_index_to_voltage(rdev,
2015 								 samu_table->entries[i].v);
2016 	}
2017 
2018 	if (acp_table->count) {
2019 		for (i = 0; i < acp_table->count; i++)
2020 			acp_table->entries[i].v =
2021 				kv_convert_8bit_index_to_voltage(rdev,
2022 								 acp_table->entries[i].v);
2023 	}
2024 
2025 }
2026 
kv_construct_boot_state(struct radeon_device * rdev)2027 static void kv_construct_boot_state(struct radeon_device *rdev)
2028 {
2029 	struct kv_power_info *pi = kv_get_pi(rdev);
2030 
2031 	pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2032 	pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2033 	pi->boot_pl.ds_divider_index = 0;
2034 	pi->boot_pl.ss_divider_index = 0;
2035 	pi->boot_pl.allow_gnb_slow = 1;
2036 	pi->boot_pl.force_nbp_state = 0;
2037 	pi->boot_pl.display_wm = 0;
2038 	pi->boot_pl.vce_wm = 0;
2039 }
2040 
kv_force_dpm_highest(struct radeon_device * rdev)2041 static int kv_force_dpm_highest(struct radeon_device *rdev)
2042 {
2043 	int ret;
2044 	u32 enable_mask, i;
2045 
2046 	ret = kv_dpm_get_enable_mask(rdev, &enable_mask);
2047 	if (ret)
2048 		return ret;
2049 
2050 	for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2051 		if (enable_mask & (1 << i))
2052 			break;
2053 	}
2054 
2055 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
2056 		return kv_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_DPM_ForceState, i);
2057 	else
2058 		return kv_set_enabled_level(rdev, i);
2059 }
2060 
kv_force_dpm_lowest(struct radeon_device * rdev)2061 static int kv_force_dpm_lowest(struct radeon_device *rdev)
2062 {
2063 	int ret;
2064 	u32 enable_mask, i;
2065 
2066 	ret = kv_dpm_get_enable_mask(rdev, &enable_mask);
2067 	if (ret)
2068 		return ret;
2069 
2070 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2071 		if (enable_mask & (1 << i))
2072 			break;
2073 	}
2074 
2075 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
2076 		return kv_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_DPM_ForceState, i);
2077 	else
2078 		return kv_set_enabled_level(rdev, i);
2079 }
2080 
kv_get_sleep_divider_id_from_clock(struct radeon_device * rdev,u32 sclk,u32 min_sclk_in_sr)2081 static u8 kv_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
2082 					     u32 sclk, u32 min_sclk_in_sr)
2083 {
2084 	struct kv_power_info *pi = kv_get_pi(rdev);
2085 	u32 i;
2086 	u32 temp;
2087 	u32 min = (min_sclk_in_sr > KV_MINIMUM_ENGINE_CLOCK) ?
2088 		min_sclk_in_sr : KV_MINIMUM_ENGINE_CLOCK;
2089 
2090 	if (sclk < min)
2091 		return 0;
2092 
2093 	if (!pi->caps_sclk_ds)
2094 		return 0;
2095 
2096 	for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2097 		temp = sclk / sumo_get_sleep_divider_from_id(i);
2098 		if (temp >= min)
2099 			break;
2100 	}
2101 
2102 	return (u8)i;
2103 }
2104 
kv_get_high_voltage_limit(struct radeon_device * rdev,int * limit)2105 static int kv_get_high_voltage_limit(struct radeon_device *rdev, int *limit)
2106 {
2107 	struct kv_power_info *pi = kv_get_pi(rdev);
2108 	struct radeon_clock_voltage_dependency_table *table =
2109 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2110 	int i;
2111 
2112 	if (table && table->count) {
2113 		for (i = table->count - 1; i >= 0; i--) {
2114 			if (pi->high_voltage_t &&
2115 			    (kv_convert_8bit_index_to_voltage(rdev, table->entries[i].v) <=
2116 			     pi->high_voltage_t)) {
2117 				*limit = i;
2118 				return 0;
2119 			}
2120 		}
2121 	} else {
2122 		struct sumo_sclk_voltage_mapping_table *table =
2123 			&pi->sys_info.sclk_voltage_mapping_table;
2124 
2125 		for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2126 			if (pi->high_voltage_t &&
2127 			    (kv_convert_2bit_index_to_voltage(rdev, table->entries[i].vid_2bit) <=
2128 			     pi->high_voltage_t)) {
2129 				*limit = i;
2130 				return 0;
2131 			}
2132 		}
2133 	}
2134 
2135 	*limit = 0;
2136 	return 0;
2137 }
2138 
kv_apply_state_adjust_rules(struct radeon_device * rdev,struct radeon_ps * new_rps,struct radeon_ps * old_rps)2139 static void kv_apply_state_adjust_rules(struct radeon_device *rdev,
2140 					struct radeon_ps *new_rps,
2141 					struct radeon_ps *old_rps)
2142 {
2143 	struct kv_ps *ps = kv_get_ps(new_rps);
2144 	struct kv_power_info *pi = kv_get_pi(rdev);
2145 	u32 min_sclk = 10000; /* ??? */
2146 	u32 sclk, mclk = 0;
2147 	int i, limit;
2148 	bool force_high;
2149 	struct radeon_clock_voltage_dependency_table *table =
2150 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2151 	u32 stable_p_state_sclk = 0;
2152 	struct radeon_clock_and_voltage_limits *max_limits =
2153 		&rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2154 
2155 	if (new_rps->vce_active) {
2156 		new_rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
2157 		new_rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk;
2158 	} else {
2159 		new_rps->evclk = 0;
2160 		new_rps->ecclk = 0;
2161 	}
2162 
2163 	mclk = max_limits->mclk;
2164 	sclk = min_sclk;
2165 
2166 	if (pi->caps_stable_p_state) {
2167 		stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2168 
2169 		for (i = table->count - 1; i >= 0; i--) {
2170 			if (stable_p_state_sclk >= table->entries[i].clk) {
2171 				stable_p_state_sclk = table->entries[i].clk;
2172 				break;
2173 			}
2174 		}
2175 
2176 		if (i > 0)
2177 			stable_p_state_sclk = table->entries[0].clk;
2178 
2179 		sclk = stable_p_state_sclk;
2180 	}
2181 
2182 	if (new_rps->vce_active) {
2183 		if (sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk)
2184 			sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk;
2185 	}
2186 
2187 	ps->need_dfs_bypass = true;
2188 
2189 	for (i = 0; i < ps->num_levels; i++) {
2190 		if (ps->levels[i].sclk < sclk)
2191 			ps->levels[i].sclk = sclk;
2192 	}
2193 
2194 	if (table && table->count) {
2195 		for (i = 0; i < ps->num_levels; i++) {
2196 			if (pi->high_voltage_t &&
2197 			    (pi->high_voltage_t <
2198 			     kv_convert_8bit_index_to_voltage(rdev, ps->levels[i].vddc_index))) {
2199 				kv_get_high_voltage_limit(rdev, &limit);
2200 				ps->levels[i].sclk = table->entries[limit].clk;
2201 			}
2202 		}
2203 	} else {
2204 		struct sumo_sclk_voltage_mapping_table *table =
2205 			&pi->sys_info.sclk_voltage_mapping_table;
2206 
2207 		for (i = 0; i < ps->num_levels; i++) {
2208 			if (pi->high_voltage_t &&
2209 			    (pi->high_voltage_t <
2210 			     kv_convert_8bit_index_to_voltage(rdev, ps->levels[i].vddc_index))) {
2211 				kv_get_high_voltage_limit(rdev, &limit);
2212 				ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2213 			}
2214 		}
2215 	}
2216 
2217 	if (pi->caps_stable_p_state) {
2218 		for (i = 0; i < ps->num_levels; i++) {
2219 			ps->levels[i].sclk = stable_p_state_sclk;
2220 		}
2221 	}
2222 
2223 	pi->video_start = new_rps->dclk || new_rps->vclk ||
2224 		new_rps->evclk || new_rps->ecclk;
2225 
2226 	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2227 	    ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2228 		pi->battery_state = true;
2229 	else
2230 		pi->battery_state = false;
2231 
2232 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS) {
2233 		ps->dpm0_pg_nb_ps_lo = 0x1;
2234 		ps->dpm0_pg_nb_ps_hi = 0x0;
2235 		ps->dpmx_nb_ps_lo = 0x1;
2236 		ps->dpmx_nb_ps_hi = 0x0;
2237 	} else {
2238 		ps->dpm0_pg_nb_ps_lo = 0x3;
2239 		ps->dpm0_pg_nb_ps_hi = 0x0;
2240 		ps->dpmx_nb_ps_lo = 0x3;
2241 		ps->dpmx_nb_ps_hi = 0x0;
2242 
2243 		if (pi->sys_info.nb_dpm_enable) {
2244 			force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2245 				pi->video_start || (rdev->pm.dpm.new_active_crtc_count >= 3) ||
2246 				pi->disable_nb_ps3_in_battery;
2247 			ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2248 			ps->dpm0_pg_nb_ps_hi = 0x2;
2249 			ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2250 			ps->dpmx_nb_ps_hi = 0x2;
2251 		}
2252 	}
2253 }
2254 
kv_dpm_power_level_enabled_for_throttle(struct radeon_device * rdev,u32 index,bool enable)2255 static void kv_dpm_power_level_enabled_for_throttle(struct radeon_device *rdev,
2256 						    u32 index, bool enable)
2257 {
2258 	struct kv_power_info *pi = kv_get_pi(rdev);
2259 
2260 	pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2261 }
2262 
kv_calculate_ds_divider(struct radeon_device * rdev)2263 static int kv_calculate_ds_divider(struct radeon_device *rdev)
2264 {
2265 	struct kv_power_info *pi = kv_get_pi(rdev);
2266 	u32 sclk_in_sr = 10000; /* ??? */
2267 	u32 i;
2268 
2269 	if (pi->lowest_valid > pi->highest_valid)
2270 		return -EINVAL;
2271 
2272 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2273 		pi->graphics_level[i].DeepSleepDivId =
2274 			kv_get_sleep_divider_id_from_clock(rdev,
2275 							   be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2276 							   sclk_in_sr);
2277 	}
2278 	return 0;
2279 }
2280 
kv_calculate_nbps_level_settings(struct radeon_device * rdev)2281 static int kv_calculate_nbps_level_settings(struct radeon_device *rdev)
2282 {
2283 	struct kv_power_info *pi = kv_get_pi(rdev);
2284 	u32 i;
2285 	bool force_high;
2286 	struct radeon_clock_and_voltage_limits *max_limits =
2287 		&rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2288 	u32 mclk = max_limits->mclk;
2289 
2290 	if (pi->lowest_valid > pi->highest_valid)
2291 		return -EINVAL;
2292 
2293 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS) {
2294 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2295 			pi->graphics_level[i].GnbSlow = 1;
2296 			pi->graphics_level[i].ForceNbPs1 = 0;
2297 			pi->graphics_level[i].UpH = 0;
2298 		}
2299 
2300 		if (!pi->sys_info.nb_dpm_enable)
2301 			return 0;
2302 
2303 		force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2304 			      (rdev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2305 
2306 		if (force_high) {
2307 			for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2308 				pi->graphics_level[i].GnbSlow = 0;
2309 		} else {
2310 			if (pi->battery_state)
2311 				pi->graphics_level[0].ForceNbPs1 = 1;
2312 
2313 			pi->graphics_level[1].GnbSlow = 0;
2314 			pi->graphics_level[2].GnbSlow = 0;
2315 			pi->graphics_level[3].GnbSlow = 0;
2316 			pi->graphics_level[4].GnbSlow = 0;
2317 		}
2318 	} else {
2319 		for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2320 			pi->graphics_level[i].GnbSlow = 1;
2321 			pi->graphics_level[i].ForceNbPs1 = 0;
2322 			pi->graphics_level[i].UpH = 0;
2323 		}
2324 
2325 		if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2326 			pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2327 			pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2328 			if (pi->lowest_valid != pi->highest_valid)
2329 				pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2330 		}
2331 	}
2332 	return 0;
2333 }
2334 
kv_calculate_dpm_settings(struct radeon_device * rdev)2335 static int kv_calculate_dpm_settings(struct radeon_device *rdev)
2336 {
2337 	struct kv_power_info *pi = kv_get_pi(rdev);
2338 	u32 i;
2339 
2340 	if (pi->lowest_valid > pi->highest_valid)
2341 		return -EINVAL;
2342 
2343 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2344 		pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2345 
2346 	return 0;
2347 }
2348 
kv_init_graphics_levels(struct radeon_device * rdev)2349 static void kv_init_graphics_levels(struct radeon_device *rdev)
2350 {
2351 	struct kv_power_info *pi = kv_get_pi(rdev);
2352 	u32 i;
2353 	struct radeon_clock_voltage_dependency_table *table =
2354 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2355 
2356 	if (table && table->count) {
2357 		u32 vid_2bit;
2358 
2359 		pi->graphics_dpm_level_count = 0;
2360 		for (i = 0; i < table->count; i++) {
2361 			if (pi->high_voltage_t &&
2362 			    (pi->high_voltage_t <
2363 			     kv_convert_8bit_index_to_voltage(rdev, table->entries[i].v)))
2364 				break;
2365 
2366 			kv_set_divider_value(rdev, i, table->entries[i].clk);
2367 			vid_2bit = kv_convert_vid7_to_vid2(rdev,
2368 							   &pi->sys_info.vid_mapping_table,
2369 							   table->entries[i].v);
2370 			kv_set_vid(rdev, i, vid_2bit);
2371 			kv_set_at(rdev, i, pi->at[i]);
2372 			kv_dpm_power_level_enabled_for_throttle(rdev, i, true);
2373 			pi->graphics_dpm_level_count++;
2374 		}
2375 	} else {
2376 		struct sumo_sclk_voltage_mapping_table *table =
2377 			&pi->sys_info.sclk_voltage_mapping_table;
2378 
2379 		pi->graphics_dpm_level_count = 0;
2380 		for (i = 0; i < table->num_max_dpm_entries; i++) {
2381 			if (pi->high_voltage_t &&
2382 			    pi->high_voltage_t <
2383 			    kv_convert_2bit_index_to_voltage(rdev, table->entries[i].vid_2bit))
2384 				break;
2385 
2386 			kv_set_divider_value(rdev, i, table->entries[i].sclk_frequency);
2387 			kv_set_vid(rdev, i, table->entries[i].vid_2bit);
2388 			kv_set_at(rdev, i, pi->at[i]);
2389 			kv_dpm_power_level_enabled_for_throttle(rdev, i, true);
2390 			pi->graphics_dpm_level_count++;
2391 		}
2392 	}
2393 
2394 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2395 		kv_dpm_power_level_enable(rdev, i, false);
2396 }
2397 
kv_enable_new_levels(struct radeon_device * rdev)2398 static void kv_enable_new_levels(struct radeon_device *rdev)
2399 {
2400 	struct kv_power_info *pi = kv_get_pi(rdev);
2401 	u32 i;
2402 
2403 	for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2404 		if (i >= pi->lowest_valid && i <= pi->highest_valid)
2405 			kv_dpm_power_level_enable(rdev, i, true);
2406 	}
2407 }
2408 
kv_set_enabled_level(struct radeon_device * rdev,u32 level)2409 static int kv_set_enabled_level(struct radeon_device *rdev, u32 level)
2410 {
2411 	u32 new_mask = (1 << level);
2412 
2413 	return kv_send_msg_to_smc_with_parameter(rdev,
2414 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2415 						 new_mask);
2416 }
2417 
kv_set_enabled_levels(struct radeon_device * rdev)2418 static int kv_set_enabled_levels(struct radeon_device *rdev)
2419 {
2420 	struct kv_power_info *pi = kv_get_pi(rdev);
2421 	u32 i, new_mask = 0;
2422 
2423 	for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2424 		new_mask |= (1 << i);
2425 
2426 	return kv_send_msg_to_smc_with_parameter(rdev,
2427 						 PPSMC_MSG_SCLKDPM_SetEnabledMask,
2428 						 new_mask);
2429 }
2430 
kv_program_nbps_index_settings(struct radeon_device * rdev,struct radeon_ps * new_rps)2431 static void kv_program_nbps_index_settings(struct radeon_device *rdev,
2432 					   struct radeon_ps *new_rps)
2433 {
2434 	struct kv_ps *new_ps = kv_get_ps(new_rps);
2435 	struct kv_power_info *pi = kv_get_pi(rdev);
2436 	u32 nbdpmconfig1;
2437 
2438 	if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
2439 		return;
2440 
2441 	if (pi->sys_info.nb_dpm_enable) {
2442 		nbdpmconfig1 = RREG32_SMC(NB_DPM_CONFIG_1);
2443 		nbdpmconfig1 &= ~(Dpm0PgNbPsLo_MASK | Dpm0PgNbPsHi_MASK |
2444 				  DpmXNbPsLo_MASK | DpmXNbPsHi_MASK);
2445 		nbdpmconfig1 |= (Dpm0PgNbPsLo(new_ps->dpm0_pg_nb_ps_lo) |
2446 				 Dpm0PgNbPsHi(new_ps->dpm0_pg_nb_ps_hi) |
2447 				 DpmXNbPsLo(new_ps->dpmx_nb_ps_lo) |
2448 				 DpmXNbPsHi(new_ps->dpmx_nb_ps_hi));
2449 		WREG32_SMC(NB_DPM_CONFIG_1, nbdpmconfig1);
2450 	}
2451 }
2452 
kv_set_thermal_temperature_range(struct radeon_device * rdev,int min_temp,int max_temp)2453 static int kv_set_thermal_temperature_range(struct radeon_device *rdev,
2454 					    int min_temp, int max_temp)
2455 {
2456 	int low_temp = 0 * 1000;
2457 	int high_temp = 255 * 1000;
2458 	u32 tmp;
2459 
2460 	if (low_temp < min_temp)
2461 		low_temp = min_temp;
2462 	if (high_temp > max_temp)
2463 		high_temp = max_temp;
2464 	if (high_temp < low_temp) {
2465 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2466 		return -EINVAL;
2467 	}
2468 
2469 	tmp = RREG32_SMC(CG_THERMAL_INT_CTRL);
2470 	tmp &= ~(DIG_THERM_INTH_MASK | DIG_THERM_INTL_MASK);
2471 	tmp |= (DIG_THERM_INTH(49 + (high_temp / 1000)) |
2472 		DIG_THERM_INTL(49 + (low_temp / 1000)));
2473 	WREG32_SMC(CG_THERMAL_INT_CTRL, tmp);
2474 
2475 	rdev->pm.dpm.thermal.min_temp = low_temp;
2476 	rdev->pm.dpm.thermal.max_temp = high_temp;
2477 
2478 	return 0;
2479 }
2480 
2481 union igp_info {
2482 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2483 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2484 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2485 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2486 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2487 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2488 };
2489 
kv_parse_sys_info_table(struct radeon_device * rdev)2490 static int kv_parse_sys_info_table(struct radeon_device *rdev)
2491 {
2492 	struct kv_power_info *pi = kv_get_pi(rdev);
2493 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2494 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2495 	union igp_info *igp_info;
2496 	u8 frev, crev;
2497 	u16 data_offset;
2498 	int i;
2499 
2500 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2501 				   &frev, &crev, &data_offset)) {
2502 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
2503 					      data_offset);
2504 
2505 		if (crev != 8) {
2506 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2507 			return -EINVAL;
2508 		}
2509 		pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2510 		pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2511 		pi->sys_info.bootup_nb_voltage_index =
2512 			le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2513 		if (igp_info->info_8.ucHtcTmpLmt == 0)
2514 			pi->sys_info.htc_tmp_lmt = 203;
2515 		else
2516 			pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2517 		if (igp_info->info_8.ucHtcHystLmt == 0)
2518 			pi->sys_info.htc_hyst_lmt = 5;
2519 		else
2520 			pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2521 		if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2522 			DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2523 		}
2524 
2525 		if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2526 			pi->sys_info.nb_dpm_enable = true;
2527 		else
2528 			pi->sys_info.nb_dpm_enable = false;
2529 
2530 		for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2531 			pi->sys_info.nbp_memory_clock[i] =
2532 				le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2533 			pi->sys_info.nbp_n_clock[i] =
2534 				le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2535 		}
2536 		if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2537 		    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2538 			pi->caps_enable_dfs_bypass = true;
2539 
2540 		sumo_construct_sclk_voltage_mapping_table(rdev,
2541 							  &pi->sys_info.sclk_voltage_mapping_table,
2542 							  igp_info->info_8.sAvail_SCLK);
2543 
2544 		sumo_construct_vid_mapping_table(rdev,
2545 						 &pi->sys_info.vid_mapping_table,
2546 						 igp_info->info_8.sAvail_SCLK);
2547 
2548 		kv_construct_max_power_limits_table(rdev,
2549 						    &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2550 	}
2551 	return 0;
2552 }
2553 
2554 union power_info {
2555 	struct _ATOM_POWERPLAY_INFO info;
2556 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2557 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2558 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2559 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2560 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2561 };
2562 
2563 union pplib_clock_info {
2564 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2565 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2566 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2567 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2568 };
2569 
2570 union pplib_power_state {
2571 	struct _ATOM_PPLIB_STATE v1;
2572 	struct _ATOM_PPLIB_STATE_V2 v2;
2573 };
2574 
kv_patch_boot_state(struct radeon_device * rdev,struct kv_ps * ps)2575 static void kv_patch_boot_state(struct radeon_device *rdev,
2576 				struct kv_ps *ps)
2577 {
2578 	struct kv_power_info *pi = kv_get_pi(rdev);
2579 
2580 	ps->num_levels = 1;
2581 	ps->levels[0] = pi->boot_pl;
2582 }
2583 
kv_parse_pplib_non_clock_info(struct radeon_device * rdev,struct radeon_ps * rps,struct _ATOM_PPLIB_NONCLOCK_INFO * non_clock_info,u8 table_rev)2584 static void kv_parse_pplib_non_clock_info(struct radeon_device *rdev,
2585 					  struct radeon_ps *rps,
2586 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2587 					  u8 table_rev)
2588 {
2589 	struct kv_ps *ps = kv_get_ps(rps);
2590 
2591 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2592 	rps->class = le16_to_cpu(non_clock_info->usClassification);
2593 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2594 
2595 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2596 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2597 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2598 	} else {
2599 		rps->vclk = 0;
2600 		rps->dclk = 0;
2601 	}
2602 
2603 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2604 		rdev->pm.dpm.boot_ps = rps;
2605 		kv_patch_boot_state(rdev, ps);
2606 	}
2607 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2608 		rdev->pm.dpm.uvd_ps = rps;
2609 }
2610 
kv_parse_pplib_clock_info(struct radeon_device * rdev,struct radeon_ps * rps,int index,union pplib_clock_info * clock_info)2611 static void kv_parse_pplib_clock_info(struct radeon_device *rdev,
2612 				      struct radeon_ps *rps, int index,
2613 					union pplib_clock_info *clock_info)
2614 {
2615 	struct kv_power_info *pi = kv_get_pi(rdev);
2616 	struct kv_ps *ps = kv_get_ps(rps);
2617 	struct kv_pl *pl = &ps->levels[index];
2618 	u32 sclk;
2619 
2620 	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2621 	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2622 	pl->sclk = sclk;
2623 	pl->vddc_index = clock_info->sumo.vddcIndex;
2624 
2625 	ps->num_levels = index + 1;
2626 
2627 	if (pi->caps_sclk_ds) {
2628 		pl->ds_divider_index = 5;
2629 		pl->ss_divider_index = 5;
2630 	}
2631 }
2632 
kv_parse_power_table(struct radeon_device * rdev)2633 static int kv_parse_power_table(struct radeon_device *rdev)
2634 {
2635 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2636 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2637 	union pplib_power_state *power_state;
2638 	int i, j, k, non_clock_array_index, clock_array_index;
2639 	union pplib_clock_info *clock_info;
2640 	struct _StateArray *state_array;
2641 	struct _ClockInfoArray *clock_info_array;
2642 	struct _NonClockInfoArray *non_clock_info_array;
2643 	union power_info *power_info;
2644 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2645 	u16 data_offset;
2646 	u8 frev, crev;
2647 	u8 *power_state_offset;
2648 	struct kv_ps *ps;
2649 
2650 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2651 				   &frev, &crev, &data_offset))
2652 		return -EINVAL;
2653 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2654 
2655 	state_array = (struct _StateArray *)
2656 		(mode_info->atom_context->bios + data_offset +
2657 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2658 	clock_info_array = (struct _ClockInfoArray *)
2659 		(mode_info->atom_context->bios + data_offset +
2660 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2661 	non_clock_info_array = (struct _NonClockInfoArray *)
2662 		(mode_info->atom_context->bios + data_offset +
2663 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2664 
2665 	rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
2666 				  sizeof(struct radeon_ps),
2667 				  GFP_KERNEL);
2668 	if (!rdev->pm.dpm.ps)
2669 		return -ENOMEM;
2670 	power_state_offset = (u8 *)state_array->states;
2671 	for (i = 0; i < state_array->ucNumEntries; i++) {
2672 		u8 *idx;
2673 		power_state = (union pplib_power_state *)power_state_offset;
2674 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2675 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2676 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2677 		if (!rdev->pm.power_state[i].clock_info)
2678 			return -EINVAL;
2679 		ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2680 		if (ps == NULL) {
2681 			kfree(rdev->pm.dpm.ps);
2682 			return -ENOMEM;
2683 		}
2684 		rdev->pm.dpm.ps[i].ps_priv = ps;
2685 		k = 0;
2686 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2687 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2688 			clock_array_index = idx[j];
2689 			if (clock_array_index >= clock_info_array->ucNumEntries)
2690 				continue;
2691 			if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2692 				break;
2693 			clock_info = (union pplib_clock_info *)
2694 				((u8 *)&clock_info_array->clockInfo[0] +
2695 				 (clock_array_index * clock_info_array->ucEntrySize));
2696 			kv_parse_pplib_clock_info(rdev,
2697 						  &rdev->pm.dpm.ps[i], k,
2698 						  clock_info);
2699 			k++;
2700 		}
2701 		kv_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
2702 					      non_clock_info,
2703 					      non_clock_info_array->ucEntrySize);
2704 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2705 	}
2706 	rdev->pm.dpm.num_ps = state_array->ucNumEntries;
2707 
2708 	/* fill in the vce power states */
2709 	for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) {
2710 		u32 sclk;
2711 		clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx;
2712 		clock_info = (union pplib_clock_info *)
2713 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2714 		sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2715 		sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2716 		rdev->pm.dpm.vce_states[i].sclk = sclk;
2717 		rdev->pm.dpm.vce_states[i].mclk = 0;
2718 	}
2719 
2720 	return 0;
2721 }
2722 
kv_dpm_init(struct radeon_device * rdev)2723 int kv_dpm_init(struct radeon_device *rdev)
2724 {
2725 	struct kv_power_info *pi;
2726 	int ret, i;
2727 
2728 	pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2729 	if (pi == NULL)
2730 		return -ENOMEM;
2731 	rdev->pm.dpm.priv = pi;
2732 
2733 	ret = r600_get_platform_caps(rdev);
2734 	if (ret)
2735 		return ret;
2736 
2737 	ret = r600_parse_extended_power_table(rdev);
2738 	if (ret)
2739 		return ret;
2740 
2741 	for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2742 		pi->at[i] = TRINITY_AT_DFLT;
2743 
2744 	pi->sram_end = SMC_RAM_END;
2745 
2746 	/* Enabling nb dpm on an asrock system prevents dpm from working */
2747 	if (rdev->pdev->subsystem_vendor == 0x1849)
2748 		pi->enable_nb_dpm = false;
2749 	else
2750 		pi->enable_nb_dpm = true;
2751 
2752 	pi->caps_power_containment = true;
2753 	pi->caps_cac = true;
2754 	pi->enable_didt = false;
2755 	if (pi->enable_didt) {
2756 		pi->caps_sq_ramping = true;
2757 		pi->caps_db_ramping = true;
2758 		pi->caps_td_ramping = true;
2759 		pi->caps_tcp_ramping = true;
2760 	}
2761 
2762 	pi->caps_sclk_ds = true;
2763 	pi->enable_auto_thermal_throttling = true;
2764 	pi->disable_nb_ps3_in_battery = false;
2765 	if (radeon_bapm == -1) {
2766 		/* only enable bapm on KB, ML by default */
2767 		if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
2768 			pi->bapm_enable = true;
2769 		else
2770 			pi->bapm_enable = false;
2771 	} else if (radeon_bapm == 0) {
2772 		pi->bapm_enable = false;
2773 	} else {
2774 		pi->bapm_enable = true;
2775 	}
2776 	pi->voltage_drop_t = 0;
2777 	pi->caps_sclk_throttle_low_notification = false;
2778 	pi->caps_fps = false; /* true? */
2779 	pi->caps_uvd_pg = true;
2780 	pi->caps_uvd_dpm = true;
2781 	pi->caps_vce_pg = false; /* XXX true */
2782 	pi->caps_samu_pg = false;
2783 	pi->caps_acp_pg = false;
2784 	pi->caps_stable_p_state = false;
2785 
2786 	ret = kv_parse_sys_info_table(rdev);
2787 	if (ret)
2788 		return ret;
2789 
2790 	kv_patch_voltage_values(rdev);
2791 	kv_construct_boot_state(rdev);
2792 
2793 	ret = kv_parse_power_table(rdev);
2794 	if (ret)
2795 		return ret;
2796 
2797 	pi->enable_dpm = true;
2798 
2799 	return 0;
2800 }
2801 
kv_dpm_debugfs_print_current_performance_level(struct radeon_device * rdev,struct seq_file * m)2802 void kv_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
2803 						    struct seq_file *m)
2804 {
2805 	struct kv_power_info *pi = kv_get_pi(rdev);
2806 	u32 current_index =
2807 		(RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) >>
2808 		CURR_SCLK_INDEX_SHIFT;
2809 	u32 sclk, tmp;
2810 	u16 vddc;
2811 
2812 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2813 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2814 	} else {
2815 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2816 		tmp = (RREG32_SMC(SMU_VOLTAGE_STATUS) & SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2817 			SMU_VOLTAGE_CURRENT_LEVEL_SHIFT;
2818 		vddc = kv_convert_8bit_index_to_voltage(rdev, (u16)tmp);
2819 		seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2820 		seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2821 		seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2822 			   current_index, sclk, vddc);
2823 	}
2824 }
2825 
kv_dpm_get_current_sclk(struct radeon_device * rdev)2826 u32 kv_dpm_get_current_sclk(struct radeon_device *rdev)
2827 {
2828 	struct kv_power_info *pi = kv_get_pi(rdev);
2829 	u32 current_index =
2830 		(RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) >>
2831 		CURR_SCLK_INDEX_SHIFT;
2832 	u32 sclk;
2833 
2834 	if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2835 		return 0;
2836 	} else {
2837 		sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2838 		return sclk;
2839 	}
2840 }
2841 
kv_dpm_get_current_mclk(struct radeon_device * rdev)2842 u32 kv_dpm_get_current_mclk(struct radeon_device *rdev)
2843 {
2844 	struct kv_power_info *pi = kv_get_pi(rdev);
2845 
2846 	return pi->sys_info.bootup_uma_clk;
2847 }
2848 
kv_dpm_print_power_state(struct radeon_device * rdev,struct radeon_ps * rps)2849 void kv_dpm_print_power_state(struct radeon_device *rdev,
2850 			      struct radeon_ps *rps)
2851 {
2852 	int i;
2853 	struct kv_ps *ps = kv_get_ps(rps);
2854 
2855 	r600_dpm_print_class_info(rps->class, rps->class2);
2856 	r600_dpm_print_cap_info(rps->caps);
2857 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2858 	for (i = 0; i < ps->num_levels; i++) {
2859 		struct kv_pl *pl = &ps->levels[i];
2860 		printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2861 		       i, pl->sclk,
2862 		       kv_convert_8bit_index_to_voltage(rdev, pl->vddc_index));
2863 	}
2864 	r600_dpm_print_ps_status(rdev, rps);
2865 }
2866 
kv_dpm_fini(struct radeon_device * rdev)2867 void kv_dpm_fini(struct radeon_device *rdev)
2868 {
2869 	int i;
2870 
2871 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
2872 		kfree(rdev->pm.dpm.ps[i].ps_priv);
2873 	}
2874 	kfree(rdev->pm.dpm.ps);
2875 	kfree(rdev->pm.dpm.priv);
2876 	r600_free_extended_power_table(rdev);
2877 }
2878 
kv_dpm_display_configuration_changed(struct radeon_device * rdev)2879 void kv_dpm_display_configuration_changed(struct radeon_device *rdev)
2880 {
2881 
2882 }
2883 
kv_dpm_get_sclk(struct radeon_device * rdev,bool low)2884 u32 kv_dpm_get_sclk(struct radeon_device *rdev, bool low)
2885 {
2886 	struct kv_power_info *pi = kv_get_pi(rdev);
2887 	struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2888 
2889 	if (low)
2890 		return requested_state->levels[0].sclk;
2891 	else
2892 		return requested_state->levels[requested_state->num_levels - 1].sclk;
2893 }
2894 
kv_dpm_get_mclk(struct radeon_device * rdev,bool low)2895 u32 kv_dpm_get_mclk(struct radeon_device *rdev, bool low)
2896 {
2897 	struct kv_power_info *pi = kv_get_pi(rdev);
2898 
2899 	return pi->sys_info.bootup_uma_clk;
2900 }
2901 
2902