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/firmware.h>
25 #include <drm/drmP.h>
26 #include "amdgpu.h"
27 #include "amdgpu_pm.h"
28 #include "amdgpu_ucode.h"
29 #include "cikd.h"
30 #include "amdgpu_dpm.h"
31 #include "ci_dpm.h"
32 #include "gfx_v7_0.h"
33 #include "atom.h"
34 #include "amd_pcie.h"
35 #include <linux/seq_file.h>
36 
37 #include "smu/smu_7_0_1_d.h"
38 #include "smu/smu_7_0_1_sh_mask.h"
39 
40 #include "dce/dce_8_0_d.h"
41 #include "dce/dce_8_0_sh_mask.h"
42 
43 #include "bif/bif_4_1_d.h"
44 #include "bif/bif_4_1_sh_mask.h"
45 
46 #include "gca/gfx_7_2_d.h"
47 #include "gca/gfx_7_2_sh_mask.h"
48 
49 #include "gmc/gmc_7_1_d.h"
50 #include "gmc/gmc_7_1_sh_mask.h"
51 
52 MODULE_FIRMWARE("amdgpu/bonaire_smc.bin");
53 MODULE_FIRMWARE("amdgpu/bonaire_k_smc.bin");
54 MODULE_FIRMWARE("amdgpu/hawaii_smc.bin");
55 MODULE_FIRMWARE("amdgpu/hawaii_k_smc.bin");
56 
57 #define MC_CG_ARB_FREQ_F0           0x0a
58 #define MC_CG_ARB_FREQ_F1           0x0b
59 #define MC_CG_ARB_FREQ_F2           0x0c
60 #define MC_CG_ARB_FREQ_F3           0x0d
61 
62 #define SMC_RAM_END 0x40000
63 
64 #define VOLTAGE_SCALE               4
65 #define VOLTAGE_VID_OFFSET_SCALE1    625
66 #define VOLTAGE_VID_OFFSET_SCALE2    100
67 
68 static const struct amd_pm_funcs ci_dpm_funcs;
69 
70 static const struct ci_pt_defaults defaults_hawaii_xt =
71 {
72 	1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0xB0000,
73 	{ 0x2E,  0x00,  0x00,  0x88,  0x00,  0x00,  0x72,  0x60,  0x51,  0xA7,  0x79,  0x6B,  0x90,  0xBD,  0x79  },
74 	{ 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 }
75 };
76 
77 static const struct ci_pt_defaults defaults_hawaii_pro =
78 {
79 	1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0x65062,
80 	{ 0x2E,  0x00,  0x00,  0x88,  0x00,  0x00,  0x72,  0x60,  0x51,  0xA7,  0x79,  0x6B,  0x90,  0xBD,  0x79  },
81 	{ 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 }
82 };
83 
84 static const struct ci_pt_defaults defaults_bonaire_xt =
85 {
86 	1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000,
87 	{ 0x79,  0x253, 0x25D, 0xAE,  0x72,  0x80,  0x83,  0x86,  0x6F,  0xC8,  0xC9,  0xC9,  0x2F,  0x4D,  0x61  },
88 	{ 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
89 };
90 
91 #if 0
92 static const struct ci_pt_defaults defaults_bonaire_pro =
93 {
94 	1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x65062,
95 	{ 0x8C,  0x23F, 0x244, 0xA6,  0x83,  0x85,  0x86,  0x86,  0x83,  0xDB,  0xDB,  0xDA,  0x67,  0x60,  0x5F  },
96 	{ 0x187, 0x193, 0x193, 0x1C7, 0x1D1, 0x1D1, 0x210, 0x219, 0x219, 0x266, 0x26C, 0x26C, 0x2C9, 0x2CB, 0x2CB }
97 };
98 #endif
99 
100 static const struct ci_pt_defaults defaults_saturn_xt =
101 {
102 	1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x70000,
103 	{ 0x8C,  0x247, 0x249, 0xA6,  0x80,  0x81,  0x8B,  0x89,  0x86,  0xC9,  0xCA,  0xC9,  0x4D,  0x4D,  0x4D  },
104 	{ 0x187, 0x187, 0x187, 0x1C7, 0x1C7, 0x1C7, 0x210, 0x210, 0x210, 0x266, 0x266, 0x266, 0x2C9, 0x2C9, 0x2C9 }
105 };
106 
107 #if 0
108 static const struct ci_pt_defaults defaults_saturn_pro =
109 {
110 	1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x30000,
111 	{ 0x96,  0x21D, 0x23B, 0xA1,  0x85,  0x87,  0x83,  0x84,  0x81,  0xE6,  0xE6,  0xE6,  0x71,  0x6A,  0x6A  },
112 	{ 0x193, 0x19E, 0x19E, 0x1D2, 0x1DC, 0x1DC, 0x21A, 0x223, 0x223, 0x26E, 0x27E, 0x274, 0x2CF, 0x2D2, 0x2D2 }
113 };
114 #endif
115 
116 static const struct ci_pt_config_reg didt_config_ci[] =
117 {
118 	{ 0x10, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
119 	{ 0x10, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
120 	{ 0x10, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
121 	{ 0x10, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
122 	{ 0x11, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
123 	{ 0x11, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
124 	{ 0x11, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
125 	{ 0x11, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
126 	{ 0x12, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
127 	{ 0x12, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
128 	{ 0x12, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
129 	{ 0x12, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
130 	{ 0x2, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
131 	{ 0x2, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
132 	{ 0x2, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
133 	{ 0x1, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
134 	{ 0x1, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
135 	{ 0x0, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
136 	{ 0x30, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
137 	{ 0x30, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
138 	{ 0x30, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
139 	{ 0x30, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
140 	{ 0x31, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
141 	{ 0x31, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
142 	{ 0x31, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
143 	{ 0x31, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
144 	{ 0x32, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
145 	{ 0x32, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
146 	{ 0x32, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
147 	{ 0x32, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
148 	{ 0x22, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
149 	{ 0x22, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
150 	{ 0x22, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
151 	{ 0x21, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
152 	{ 0x21, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
153 	{ 0x20, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
154 	{ 0x50, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
155 	{ 0x50, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
156 	{ 0x50, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
157 	{ 0x50, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
158 	{ 0x51, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
159 	{ 0x51, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
160 	{ 0x51, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
161 	{ 0x51, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
162 	{ 0x52, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
163 	{ 0x52, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
164 	{ 0x52, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
165 	{ 0x52, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
166 	{ 0x42, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
167 	{ 0x42, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
168 	{ 0x42, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
169 	{ 0x41, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
170 	{ 0x41, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
171 	{ 0x40, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
172 	{ 0x70, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
173 	{ 0x70, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
174 	{ 0x70, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
175 	{ 0x70, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
176 	{ 0x71, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
177 	{ 0x71, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
178 	{ 0x71, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
179 	{ 0x71, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
180 	{ 0x72, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
181 	{ 0x72, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
182 	{ 0x72, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
183 	{ 0x72, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
184 	{ 0x62, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
185 	{ 0x62, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
186 	{ 0x62, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
187 	{ 0x61, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
188 	{ 0x61, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
189 	{ 0x60, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
190 	{ 0xFFFFFFFF }
191 };
192 
ci_get_memory_module_index(struct amdgpu_device * adev)193 static u8 ci_get_memory_module_index(struct amdgpu_device *adev)
194 {
195 	return (u8) ((RREG32(mmBIOS_SCRATCH_4) >> 16) & 0xff);
196 }
197 
198 #define MC_CG_ARB_FREQ_F0           0x0a
199 #define MC_CG_ARB_FREQ_F1           0x0b
200 #define MC_CG_ARB_FREQ_F2           0x0c
201 #define MC_CG_ARB_FREQ_F3           0x0d
202 
ci_copy_and_switch_arb_sets(struct amdgpu_device * adev,u32 arb_freq_src,u32 arb_freq_dest)203 static int ci_copy_and_switch_arb_sets(struct amdgpu_device *adev,
204 				       u32 arb_freq_src, u32 arb_freq_dest)
205 {
206 	u32 mc_arb_dram_timing;
207 	u32 mc_arb_dram_timing2;
208 	u32 burst_time;
209 	u32 mc_cg_config;
210 
211 	switch (arb_freq_src) {
212 	case MC_CG_ARB_FREQ_F0:
213 		mc_arb_dram_timing  = RREG32(mmMC_ARB_DRAM_TIMING);
214 		mc_arb_dram_timing2 = RREG32(mmMC_ARB_DRAM_TIMING2);
215 		burst_time = (RREG32(mmMC_ARB_BURST_TIME) & MC_ARB_BURST_TIME__STATE0_MASK) >>
216 			 MC_ARB_BURST_TIME__STATE0__SHIFT;
217 		break;
218 	case MC_CG_ARB_FREQ_F1:
219 		mc_arb_dram_timing  = RREG32(mmMC_ARB_DRAM_TIMING_1);
220 		mc_arb_dram_timing2 = RREG32(mmMC_ARB_DRAM_TIMING2_1);
221 		burst_time = (RREG32(mmMC_ARB_BURST_TIME) & MC_ARB_BURST_TIME__STATE1_MASK) >>
222 			 MC_ARB_BURST_TIME__STATE1__SHIFT;
223 		break;
224 	default:
225 		return -EINVAL;
226 	}
227 
228 	switch (arb_freq_dest) {
229 	case MC_CG_ARB_FREQ_F0:
230 		WREG32(mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing);
231 		WREG32(mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
232 		WREG32_P(mmMC_ARB_BURST_TIME, (burst_time << MC_ARB_BURST_TIME__STATE0__SHIFT),
233 			~MC_ARB_BURST_TIME__STATE0_MASK);
234 		break;
235 	case MC_CG_ARB_FREQ_F1:
236 		WREG32(mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
237 		WREG32(mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
238 		WREG32_P(mmMC_ARB_BURST_TIME, (burst_time << MC_ARB_BURST_TIME__STATE1__SHIFT),
239 			~MC_ARB_BURST_TIME__STATE1_MASK);
240 		break;
241 	default:
242 		return -EINVAL;
243 	}
244 
245 	mc_cg_config = RREG32(mmMC_CG_CONFIG) | 0x0000000F;
246 	WREG32(mmMC_CG_CONFIG, mc_cg_config);
247 	WREG32_P(mmMC_ARB_CG, (arb_freq_dest) << MC_ARB_CG__CG_ARB_REQ__SHIFT,
248 		~MC_ARB_CG__CG_ARB_REQ_MASK);
249 
250 	return 0;
251 }
252 
ci_get_ddr3_mclk_frequency_ratio(u32 memory_clock)253 static u8 ci_get_ddr3_mclk_frequency_ratio(u32 memory_clock)
254 {
255 	u8 mc_para_index;
256 
257 	if (memory_clock < 10000)
258 		mc_para_index = 0;
259 	else if (memory_clock >= 80000)
260 		mc_para_index = 0x0f;
261 	else
262 		mc_para_index = (u8)((memory_clock - 10000) / 5000 + 1);
263 	return mc_para_index;
264 }
265 
ci_get_mclk_frequency_ratio(u32 memory_clock,bool strobe_mode)266 static u8 ci_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode)
267 {
268 	u8 mc_para_index;
269 
270 	if (strobe_mode) {
271 		if (memory_clock < 12500)
272 			mc_para_index = 0x00;
273 		else if (memory_clock > 47500)
274 			mc_para_index = 0x0f;
275 		else
276 			mc_para_index = (u8)((memory_clock - 10000) / 2500);
277 	} else {
278 		if (memory_clock < 65000)
279 			mc_para_index = 0x00;
280 		else if (memory_clock > 135000)
281 			mc_para_index = 0x0f;
282 		else
283 			mc_para_index = (u8)((memory_clock - 60000) / 5000);
284 	}
285 	return mc_para_index;
286 }
287 
ci_trim_voltage_table_to_fit_state_table(struct amdgpu_device * adev,u32 max_voltage_steps,struct atom_voltage_table * voltage_table)288 static void ci_trim_voltage_table_to_fit_state_table(struct amdgpu_device *adev,
289 						     u32 max_voltage_steps,
290 						     struct atom_voltage_table *voltage_table)
291 {
292 	unsigned int i, diff;
293 
294 	if (voltage_table->count <= max_voltage_steps)
295 		return;
296 
297 	diff = voltage_table->count - max_voltage_steps;
298 
299 	for (i = 0; i < max_voltage_steps; i++)
300 		voltage_table->entries[i] = voltage_table->entries[i + diff];
301 
302 	voltage_table->count = max_voltage_steps;
303 }
304 
305 static int ci_get_std_voltage_value_sidd(struct amdgpu_device *adev,
306 					 struct atom_voltage_table_entry *voltage_table,
307 					 u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd);
308 static int ci_set_power_limit(struct amdgpu_device *adev, u32 n);
309 static int ci_set_overdrive_target_tdp(struct amdgpu_device *adev,
310 				       u32 target_tdp);
311 static int ci_update_uvd_dpm(struct amdgpu_device *adev, bool gate);
312 static void ci_dpm_set_irq_funcs(struct amdgpu_device *adev);
313 
314 static PPSMC_Result amdgpu_ci_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
315 							     PPSMC_Msg msg, u32 parameter);
316 static void ci_thermal_start_smc_fan_control(struct amdgpu_device *adev);
317 static void ci_fan_ctrl_set_default_mode(struct amdgpu_device *adev);
318 
ci_get_pi(struct amdgpu_device * adev)319 static struct ci_power_info *ci_get_pi(struct amdgpu_device *adev)
320 {
321 	struct ci_power_info *pi = adev->pm.dpm.priv;
322 
323 	return pi;
324 }
325 
ci_get_ps(struct amdgpu_ps * rps)326 static struct ci_ps *ci_get_ps(struct amdgpu_ps *rps)
327 {
328 	struct ci_ps *ps = rps->ps_priv;
329 
330 	return ps;
331 }
332 
ci_initialize_powertune_defaults(struct amdgpu_device * adev)333 static void ci_initialize_powertune_defaults(struct amdgpu_device *adev)
334 {
335 	struct ci_power_info *pi = ci_get_pi(adev);
336 
337 	switch (adev->pdev->device) {
338 	case 0x6649:
339 	case 0x6650:
340 	case 0x6651:
341 	case 0x6658:
342 	case 0x665C:
343 	case 0x665D:
344 	default:
345 		pi->powertune_defaults = &defaults_bonaire_xt;
346 		break;
347 	case 0x6640:
348 	case 0x6641:
349 	case 0x6646:
350 	case 0x6647:
351 		pi->powertune_defaults = &defaults_saturn_xt;
352 		break;
353 	case 0x67B8:
354 	case 0x67B0:
355 		pi->powertune_defaults = &defaults_hawaii_xt;
356 		break;
357 	case 0x67BA:
358 	case 0x67B1:
359 		pi->powertune_defaults = &defaults_hawaii_pro;
360 		break;
361 	case 0x67A0:
362 	case 0x67A1:
363 	case 0x67A2:
364 	case 0x67A8:
365 	case 0x67A9:
366 	case 0x67AA:
367 	case 0x67B9:
368 	case 0x67BE:
369 		pi->powertune_defaults = &defaults_bonaire_xt;
370 		break;
371 	}
372 
373 	pi->dte_tj_offset = 0;
374 
375 	pi->caps_power_containment = true;
376 	pi->caps_cac = false;
377 	pi->caps_sq_ramping = false;
378 	pi->caps_db_ramping = false;
379 	pi->caps_td_ramping = false;
380 	pi->caps_tcp_ramping = false;
381 
382 	if (pi->caps_power_containment) {
383 		pi->caps_cac = true;
384 		if (adev->asic_type == CHIP_HAWAII)
385 			pi->enable_bapm_feature = false;
386 		else
387 			pi->enable_bapm_feature = true;
388 		pi->enable_tdc_limit_feature = true;
389 		pi->enable_pkg_pwr_tracking_feature = true;
390 	}
391 }
392 
ci_convert_to_vid(u16 vddc)393 static u8 ci_convert_to_vid(u16 vddc)
394 {
395 	return (6200 - (vddc * VOLTAGE_SCALE)) / 25;
396 }
397 
ci_populate_bapm_vddc_vid_sidd(struct amdgpu_device * adev)398 static int ci_populate_bapm_vddc_vid_sidd(struct amdgpu_device *adev)
399 {
400 	struct ci_power_info *pi = ci_get_pi(adev);
401 	u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
402 	u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
403 	u8 *hi2_vid = pi->smc_powertune_table.BapmVddCVidHiSidd2;
404 	u32 i;
405 
406 	if (adev->pm.dpm.dyn_state.cac_leakage_table.entries == NULL)
407 		return -EINVAL;
408 	if (adev->pm.dpm.dyn_state.cac_leakage_table.count > 8)
409 		return -EINVAL;
410 	if (adev->pm.dpm.dyn_state.cac_leakage_table.count !=
411 	    adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count)
412 		return -EINVAL;
413 
414 	for (i = 0; i < adev->pm.dpm.dyn_state.cac_leakage_table.count; i++) {
415 		if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
416 			lo_vid[i] = ci_convert_to_vid(adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1);
417 			hi_vid[i] = ci_convert_to_vid(adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2);
418 			hi2_vid[i] = ci_convert_to_vid(adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3);
419 		} else {
420 			lo_vid[i] = ci_convert_to_vid(adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc);
421 			hi_vid[i] = ci_convert_to_vid((u16)adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage);
422 		}
423 	}
424 	return 0;
425 }
426 
ci_populate_vddc_vid(struct amdgpu_device * adev)427 static int ci_populate_vddc_vid(struct amdgpu_device *adev)
428 {
429 	struct ci_power_info *pi = ci_get_pi(adev);
430 	u8 *vid = pi->smc_powertune_table.VddCVid;
431 	u32 i;
432 
433 	if (pi->vddc_voltage_table.count > 8)
434 		return -EINVAL;
435 
436 	for (i = 0; i < pi->vddc_voltage_table.count; i++)
437 		vid[i] = ci_convert_to_vid(pi->vddc_voltage_table.entries[i].value);
438 
439 	return 0;
440 }
441 
ci_populate_svi_load_line(struct amdgpu_device * adev)442 static int ci_populate_svi_load_line(struct amdgpu_device *adev)
443 {
444 	struct ci_power_info *pi = ci_get_pi(adev);
445 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
446 
447 	pi->smc_powertune_table.SviLoadLineEn = pt_defaults->svi_load_line_en;
448 	pi->smc_powertune_table.SviLoadLineVddC = pt_defaults->svi_load_line_vddc;
449 	pi->smc_powertune_table.SviLoadLineTrimVddC = 3;
450 	pi->smc_powertune_table.SviLoadLineOffsetVddC = 0;
451 
452 	return 0;
453 }
454 
ci_populate_tdc_limit(struct amdgpu_device * adev)455 static int ci_populate_tdc_limit(struct amdgpu_device *adev)
456 {
457 	struct ci_power_info *pi = ci_get_pi(adev);
458 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
459 	u16 tdc_limit;
460 
461 	tdc_limit = adev->pm.dpm.dyn_state.cac_tdp_table->tdc * 256;
462 	pi->smc_powertune_table.TDC_VDDC_PkgLimit = cpu_to_be16(tdc_limit);
463 	pi->smc_powertune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
464 		pt_defaults->tdc_vddc_throttle_release_limit_perc;
465 	pi->smc_powertune_table.TDC_MAWt = pt_defaults->tdc_mawt;
466 
467 	return 0;
468 }
469 
ci_populate_dw8(struct amdgpu_device * adev)470 static int ci_populate_dw8(struct amdgpu_device *adev)
471 {
472 	struct ci_power_info *pi = ci_get_pi(adev);
473 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
474 	int ret;
475 
476 	ret = amdgpu_ci_read_smc_sram_dword(adev,
477 				     SMU7_FIRMWARE_HEADER_LOCATION +
478 				     offsetof(SMU7_Firmware_Header, PmFuseTable) +
479 				     offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl),
480 				     (u32 *)&pi->smc_powertune_table.TdcWaterfallCtl,
481 				     pi->sram_end);
482 	if (ret)
483 		return -EINVAL;
484 	else
485 		pi->smc_powertune_table.TdcWaterfallCtl = pt_defaults->tdc_waterfall_ctl;
486 
487 	return 0;
488 }
489 
ci_populate_fuzzy_fan(struct amdgpu_device * adev)490 static int ci_populate_fuzzy_fan(struct amdgpu_device *adev)
491 {
492 	struct ci_power_info *pi = ci_get_pi(adev);
493 
494 	if ((adev->pm.dpm.fan.fan_output_sensitivity & (1 << 15)) ||
495 	    (adev->pm.dpm.fan.fan_output_sensitivity == 0))
496 		adev->pm.dpm.fan.fan_output_sensitivity =
497 			adev->pm.dpm.fan.default_fan_output_sensitivity;
498 
499 	pi->smc_powertune_table.FuzzyFan_PwmSetDelta =
500 		cpu_to_be16(adev->pm.dpm.fan.fan_output_sensitivity);
501 
502 	return 0;
503 }
504 
ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct amdgpu_device * adev)505 static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct amdgpu_device *adev)
506 {
507 	struct ci_power_info *pi = ci_get_pi(adev);
508 	u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
509 	u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
510 	int i, min, max;
511 
512 	min = max = hi_vid[0];
513 	for (i = 0; i < 8; i++) {
514 		if (0 != hi_vid[i]) {
515 			if (min > hi_vid[i])
516 				min = hi_vid[i];
517 			if (max < hi_vid[i])
518 				max = hi_vid[i];
519 		}
520 
521 		if (0 != lo_vid[i]) {
522 			if (min > lo_vid[i])
523 				min = lo_vid[i];
524 			if (max < lo_vid[i])
525 				max = lo_vid[i];
526 		}
527 	}
528 
529 	if ((min == 0) || (max == 0))
530 		return -EINVAL;
531 	pi->smc_powertune_table.GnbLPMLMaxVid = (u8)max;
532 	pi->smc_powertune_table.GnbLPMLMinVid = (u8)min;
533 
534 	return 0;
535 }
536 
ci_populate_bapm_vddc_base_leakage_sidd(struct amdgpu_device * adev)537 static int ci_populate_bapm_vddc_base_leakage_sidd(struct amdgpu_device *adev)
538 {
539 	struct ci_power_info *pi = ci_get_pi(adev);
540 	u16 hi_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd;
541 	u16 lo_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd;
542 	struct amdgpu_cac_tdp_table *cac_tdp_table =
543 		adev->pm.dpm.dyn_state.cac_tdp_table;
544 
545 	hi_sidd = cac_tdp_table->high_cac_leakage / 100 * 256;
546 	lo_sidd = cac_tdp_table->low_cac_leakage / 100 * 256;
547 
548 	pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd = cpu_to_be16(hi_sidd);
549 	pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd = cpu_to_be16(lo_sidd);
550 
551 	return 0;
552 }
553 
ci_populate_bapm_parameters_in_dpm_table(struct amdgpu_device * adev)554 static int ci_populate_bapm_parameters_in_dpm_table(struct amdgpu_device *adev)
555 {
556 	struct ci_power_info *pi = ci_get_pi(adev);
557 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
558 	SMU7_Discrete_DpmTable  *dpm_table = &pi->smc_state_table;
559 	struct amdgpu_cac_tdp_table *cac_tdp_table =
560 		adev->pm.dpm.dyn_state.cac_tdp_table;
561 	struct amdgpu_ppm_table *ppm = adev->pm.dpm.dyn_state.ppm_table;
562 	int i, j, k;
563 	const u16 *def1;
564 	const u16 *def2;
565 
566 	dpm_table->DefaultTdp = cac_tdp_table->tdp * 256;
567 	dpm_table->TargetTdp = cac_tdp_table->configurable_tdp * 256;
568 
569 	dpm_table->DTETjOffset = (u8)pi->dte_tj_offset;
570 	dpm_table->GpuTjMax =
571 		(u8)(pi->thermal_temp_setting.temperature_high / 1000);
572 	dpm_table->GpuTjHyst = 8;
573 
574 	dpm_table->DTEAmbientTempBase = pt_defaults->dte_ambient_temp_base;
575 
576 	if (ppm) {
577 		dpm_table->PPM_PkgPwrLimit = cpu_to_be16((u16)ppm->dgpu_tdp * 256 / 1000);
578 		dpm_table->PPM_TemperatureLimit = cpu_to_be16((u16)ppm->tj_max * 256);
579 	} else {
580 		dpm_table->PPM_PkgPwrLimit = cpu_to_be16(0);
581 		dpm_table->PPM_TemperatureLimit = cpu_to_be16(0);
582 	}
583 
584 	dpm_table->BAPM_TEMP_GRADIENT = cpu_to_be32(pt_defaults->bapm_temp_gradient);
585 	def1 = pt_defaults->bapmti_r;
586 	def2 = pt_defaults->bapmti_rc;
587 
588 	for (i = 0; i < SMU7_DTE_ITERATIONS; i++) {
589 		for (j = 0; j < SMU7_DTE_SOURCES; j++) {
590 			for (k = 0; k < SMU7_DTE_SINKS; k++) {
591 				dpm_table->BAPMTI_R[i][j][k] = cpu_to_be16(*def1);
592 				dpm_table->BAPMTI_RC[i][j][k] = cpu_to_be16(*def2);
593 				def1++;
594 				def2++;
595 			}
596 		}
597 	}
598 
599 	return 0;
600 }
601 
ci_populate_pm_base(struct amdgpu_device * adev)602 static int ci_populate_pm_base(struct amdgpu_device *adev)
603 {
604 	struct ci_power_info *pi = ci_get_pi(adev);
605 	u32 pm_fuse_table_offset;
606 	int ret;
607 
608 	if (pi->caps_power_containment) {
609 		ret = amdgpu_ci_read_smc_sram_dword(adev,
610 					     SMU7_FIRMWARE_HEADER_LOCATION +
611 					     offsetof(SMU7_Firmware_Header, PmFuseTable),
612 					     &pm_fuse_table_offset, pi->sram_end);
613 		if (ret)
614 			return ret;
615 		ret = ci_populate_bapm_vddc_vid_sidd(adev);
616 		if (ret)
617 			return ret;
618 		ret = ci_populate_vddc_vid(adev);
619 		if (ret)
620 			return ret;
621 		ret = ci_populate_svi_load_line(adev);
622 		if (ret)
623 			return ret;
624 		ret = ci_populate_tdc_limit(adev);
625 		if (ret)
626 			return ret;
627 		ret = ci_populate_dw8(adev);
628 		if (ret)
629 			return ret;
630 		ret = ci_populate_fuzzy_fan(adev);
631 		if (ret)
632 			return ret;
633 		ret = ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(adev);
634 		if (ret)
635 			return ret;
636 		ret = ci_populate_bapm_vddc_base_leakage_sidd(adev);
637 		if (ret)
638 			return ret;
639 		ret = amdgpu_ci_copy_bytes_to_smc(adev, pm_fuse_table_offset,
640 					   (u8 *)&pi->smc_powertune_table,
641 					   sizeof(SMU7_Discrete_PmFuses), pi->sram_end);
642 		if (ret)
643 			return ret;
644 	}
645 
646 	return 0;
647 }
648 
ci_do_enable_didt(struct amdgpu_device * adev,const bool enable)649 static void ci_do_enable_didt(struct amdgpu_device *adev, const bool enable)
650 {
651 	struct ci_power_info *pi = ci_get_pi(adev);
652 	u32 data;
653 
654 	if (pi->caps_sq_ramping) {
655 		data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
656 		if (enable)
657 			data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
658 		else
659 			data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
660 		WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
661 	}
662 
663 	if (pi->caps_db_ramping) {
664 		data = RREG32_DIDT(ixDIDT_DB_CTRL0);
665 		if (enable)
666 			data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
667 		else
668 			data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
669 		WREG32_DIDT(ixDIDT_DB_CTRL0, data);
670 	}
671 
672 	if (pi->caps_td_ramping) {
673 		data = RREG32_DIDT(ixDIDT_TD_CTRL0);
674 		if (enable)
675 			data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
676 		else
677 			data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
678 		WREG32_DIDT(ixDIDT_TD_CTRL0, data);
679 	}
680 
681 	if (pi->caps_tcp_ramping) {
682 		data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
683 		if (enable)
684 			data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
685 		else
686 			data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
687 		WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
688 	}
689 }
690 
ci_program_pt_config_registers(struct amdgpu_device * adev,const struct ci_pt_config_reg * cac_config_regs)691 static int ci_program_pt_config_registers(struct amdgpu_device *adev,
692 					  const struct ci_pt_config_reg *cac_config_regs)
693 {
694 	const struct ci_pt_config_reg *config_regs = cac_config_regs;
695 	u32 data;
696 	u32 cache = 0;
697 
698 	if (config_regs == NULL)
699 		return -EINVAL;
700 
701 	while (config_regs->offset != 0xFFFFFFFF) {
702 		if (config_regs->type == CISLANDS_CONFIGREG_CACHE) {
703 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
704 		} else {
705 			switch (config_regs->type) {
706 			case CISLANDS_CONFIGREG_SMC_IND:
707 				data = RREG32_SMC(config_regs->offset);
708 				break;
709 			case CISLANDS_CONFIGREG_DIDT_IND:
710 				data = RREG32_DIDT(config_regs->offset);
711 				break;
712 			default:
713 				data = RREG32(config_regs->offset);
714 				break;
715 			}
716 
717 			data &= ~config_regs->mask;
718 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
719 			data |= cache;
720 
721 			switch (config_regs->type) {
722 			case CISLANDS_CONFIGREG_SMC_IND:
723 				WREG32_SMC(config_regs->offset, data);
724 				break;
725 			case CISLANDS_CONFIGREG_DIDT_IND:
726 				WREG32_DIDT(config_regs->offset, data);
727 				break;
728 			default:
729 				WREG32(config_regs->offset, data);
730 				break;
731 			}
732 			cache = 0;
733 		}
734 		config_regs++;
735 	}
736 	return 0;
737 }
738 
ci_enable_didt(struct amdgpu_device * adev,bool enable)739 static int ci_enable_didt(struct amdgpu_device *adev, bool enable)
740 {
741 	struct ci_power_info *pi = ci_get_pi(adev);
742 	int ret;
743 
744 	if (pi->caps_sq_ramping || pi->caps_db_ramping ||
745 	    pi->caps_td_ramping || pi->caps_tcp_ramping) {
746 		adev->gfx.rlc.funcs->enter_safe_mode(adev);
747 
748 		if (enable) {
749 			ret = ci_program_pt_config_registers(adev, didt_config_ci);
750 			if (ret) {
751 				adev->gfx.rlc.funcs->exit_safe_mode(adev);
752 				return ret;
753 			}
754 		}
755 
756 		ci_do_enable_didt(adev, enable);
757 
758 		adev->gfx.rlc.funcs->exit_safe_mode(adev);
759 	}
760 
761 	return 0;
762 }
763 
ci_enable_power_containment(struct amdgpu_device * adev,bool enable)764 static int ci_enable_power_containment(struct amdgpu_device *adev, bool enable)
765 {
766 	struct ci_power_info *pi = ci_get_pi(adev);
767 	PPSMC_Result smc_result;
768 	int ret = 0;
769 
770 	if (enable) {
771 		pi->power_containment_features = 0;
772 		if (pi->caps_power_containment) {
773 			if (pi->enable_bapm_feature) {
774 				smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_EnableDTE);
775 				if (smc_result != PPSMC_Result_OK)
776 					ret = -EINVAL;
777 				else
778 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM;
779 			}
780 
781 			if (pi->enable_tdc_limit_feature) {
782 				smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_TDCLimitEnable);
783 				if (smc_result != PPSMC_Result_OK)
784 					ret = -EINVAL;
785 				else
786 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_TDCLimit;
787 			}
788 
789 			if (pi->enable_pkg_pwr_tracking_feature) {
790 				smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PkgPwrLimitEnable);
791 				if (smc_result != PPSMC_Result_OK) {
792 					ret = -EINVAL;
793 				} else {
794 					struct amdgpu_cac_tdp_table *cac_tdp_table =
795 						adev->pm.dpm.dyn_state.cac_tdp_table;
796 					u32 default_pwr_limit =
797 						(u32)(cac_tdp_table->maximum_power_delivery_limit * 256);
798 
799 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_PkgPwrLimit;
800 
801 					ci_set_power_limit(adev, default_pwr_limit);
802 				}
803 			}
804 		}
805 	} else {
806 		if (pi->caps_power_containment && pi->power_containment_features) {
807 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_TDCLimit)
808 				amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_TDCLimitDisable);
809 
810 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM)
811 				amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DisableDTE);
812 
813 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit)
814 				amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PkgPwrLimitDisable);
815 			pi->power_containment_features = 0;
816 		}
817 	}
818 
819 	return ret;
820 }
821 
ci_enable_smc_cac(struct amdgpu_device * adev,bool enable)822 static int ci_enable_smc_cac(struct amdgpu_device *adev, bool enable)
823 {
824 	struct ci_power_info *pi = ci_get_pi(adev);
825 	PPSMC_Result smc_result;
826 	int ret = 0;
827 
828 	if (pi->caps_cac) {
829 		if (enable) {
830 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_EnableCac);
831 			if (smc_result != PPSMC_Result_OK) {
832 				ret = -EINVAL;
833 				pi->cac_enabled = false;
834 			} else {
835 				pi->cac_enabled = true;
836 			}
837 		} else if (pi->cac_enabled) {
838 			amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DisableCac);
839 			pi->cac_enabled = false;
840 		}
841 	}
842 
843 	return ret;
844 }
845 
ci_enable_thermal_based_sclk_dpm(struct amdgpu_device * adev,bool enable)846 static int ci_enable_thermal_based_sclk_dpm(struct amdgpu_device *adev,
847 					    bool enable)
848 {
849 	struct ci_power_info *pi = ci_get_pi(adev);
850 	PPSMC_Result smc_result = PPSMC_Result_OK;
851 
852 	if (pi->thermal_sclk_dpm_enabled) {
853 		if (enable)
854 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_ENABLE_THERMAL_DPM);
855 		else
856 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DISABLE_THERMAL_DPM);
857 	}
858 
859 	if (smc_result == PPSMC_Result_OK)
860 		return 0;
861 	else
862 		return -EINVAL;
863 }
864 
ci_power_control_set_level(struct amdgpu_device * adev)865 static int ci_power_control_set_level(struct amdgpu_device *adev)
866 {
867 	struct ci_power_info *pi = ci_get_pi(adev);
868 	struct amdgpu_cac_tdp_table *cac_tdp_table =
869 		adev->pm.dpm.dyn_state.cac_tdp_table;
870 	s32 adjust_percent;
871 	s32 target_tdp;
872 	int ret = 0;
873 	bool adjust_polarity = false; /* ??? */
874 
875 	if (pi->caps_power_containment) {
876 		adjust_percent = adjust_polarity ?
877 			adev->pm.dpm.tdp_adjustment : (-1 * adev->pm.dpm.tdp_adjustment);
878 		target_tdp = ((100 + adjust_percent) *
879 			      (s32)cac_tdp_table->configurable_tdp) / 100;
880 
881 		ret = ci_set_overdrive_target_tdp(adev, (u32)target_tdp);
882 	}
883 
884 	return ret;
885 }
886 
ci_dpm_powergate_uvd(void * handle,bool gate)887 static void ci_dpm_powergate_uvd(void *handle, bool gate)
888 {
889 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
890 	struct ci_power_info *pi = ci_get_pi(adev);
891 
892 	pi->uvd_power_gated = gate;
893 
894 	if (gate) {
895 		/* stop the UVD block */
896 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
897 						       AMD_PG_STATE_GATE);
898 		ci_update_uvd_dpm(adev, gate);
899 	} else {
900 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
901 						       AMD_PG_STATE_UNGATE);
902 		ci_update_uvd_dpm(adev, gate);
903 	}
904 }
905 
ci_dpm_vblank_too_short(void * handle)906 static bool ci_dpm_vblank_too_short(void *handle)
907 {
908 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
909 	u32 vblank_time = amdgpu_dpm_get_vblank_time(adev);
910 	u32 switch_limit = adev->gmc.vram_type == AMDGPU_VRAM_TYPE_GDDR5 ? 450 : 300;
911 
912 	/* disable mclk switching if the refresh is >120Hz, even if the
913 	 * blanking period would allow it
914 	 */
915 	if (amdgpu_dpm_get_vrefresh(adev) > 120)
916 		return true;
917 
918 	if (vblank_time < switch_limit)
919 		return true;
920 	else
921 		return false;
922 
923 }
924 
ci_apply_state_adjust_rules(struct amdgpu_device * adev,struct amdgpu_ps * rps)925 static void ci_apply_state_adjust_rules(struct amdgpu_device *adev,
926 					struct amdgpu_ps *rps)
927 {
928 	struct ci_ps *ps = ci_get_ps(rps);
929 	struct ci_power_info *pi = ci_get_pi(adev);
930 	struct amdgpu_clock_and_voltage_limits *max_limits;
931 	bool disable_mclk_switching;
932 	u32 sclk, mclk;
933 	int i;
934 
935 	if (rps->vce_active) {
936 		rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
937 		rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
938 	} else {
939 		rps->evclk = 0;
940 		rps->ecclk = 0;
941 	}
942 
943 	if ((adev->pm.dpm.new_active_crtc_count > 1) ||
944 	    ci_dpm_vblank_too_short(adev))
945 		disable_mclk_switching = true;
946 	else
947 		disable_mclk_switching = false;
948 
949 	if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
950 		pi->battery_state = true;
951 	else
952 		pi->battery_state = false;
953 
954 	if (adev->pm.ac_power)
955 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
956 	else
957 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
958 
959 	if (adev->pm.ac_power == false) {
960 		for (i = 0; i < ps->performance_level_count; i++) {
961 			if (ps->performance_levels[i].mclk > max_limits->mclk)
962 				ps->performance_levels[i].mclk = max_limits->mclk;
963 			if (ps->performance_levels[i].sclk > max_limits->sclk)
964 				ps->performance_levels[i].sclk = max_limits->sclk;
965 		}
966 	}
967 
968 	/* XXX validate the min clocks required for display */
969 
970 	if (disable_mclk_switching) {
971 		mclk  = ps->performance_levels[ps->performance_level_count - 1].mclk;
972 		sclk = ps->performance_levels[0].sclk;
973 	} else {
974 		mclk = ps->performance_levels[0].mclk;
975 		sclk = ps->performance_levels[0].sclk;
976 	}
977 
978 	if (adev->pm.pm_display_cfg.min_core_set_clock > sclk)
979 		sclk = adev->pm.pm_display_cfg.min_core_set_clock;
980 
981 	if (adev->pm.pm_display_cfg.min_mem_set_clock > mclk)
982 		mclk = adev->pm.pm_display_cfg.min_mem_set_clock;
983 
984 	if (rps->vce_active) {
985 		if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
986 			sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
987 		if (mclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].mclk)
988 			mclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].mclk;
989 	}
990 
991 	ps->performance_levels[0].sclk = sclk;
992 	ps->performance_levels[0].mclk = mclk;
993 
994 	if (ps->performance_levels[1].sclk < ps->performance_levels[0].sclk)
995 		ps->performance_levels[1].sclk = ps->performance_levels[0].sclk;
996 
997 	if (disable_mclk_switching) {
998 		if (ps->performance_levels[0].mclk < ps->performance_levels[1].mclk)
999 			ps->performance_levels[0].mclk = ps->performance_levels[1].mclk;
1000 	} else {
1001 		if (ps->performance_levels[1].mclk < ps->performance_levels[0].mclk)
1002 			ps->performance_levels[1].mclk = ps->performance_levels[0].mclk;
1003 	}
1004 }
1005 
ci_thermal_set_temperature_range(struct amdgpu_device * adev,int min_temp,int max_temp)1006 static int ci_thermal_set_temperature_range(struct amdgpu_device *adev,
1007 					    int min_temp, int max_temp)
1008 {
1009 	int low_temp = 0 * 1000;
1010 	int high_temp = 255 * 1000;
1011 	u32 tmp;
1012 
1013 	if (low_temp < min_temp)
1014 		low_temp = min_temp;
1015 	if (high_temp > max_temp)
1016 		high_temp = max_temp;
1017 	if (high_temp < low_temp) {
1018 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
1019 		return -EINVAL;
1020 	}
1021 
1022 	tmp = RREG32_SMC(ixCG_THERMAL_INT);
1023 	tmp &= ~(CG_THERMAL_INT__DIG_THERM_INTH_MASK | CG_THERMAL_INT__DIG_THERM_INTL_MASK);
1024 	tmp |= ((high_temp / 1000) << CG_THERMAL_INT__DIG_THERM_INTH__SHIFT) |
1025 		((low_temp / 1000)) << CG_THERMAL_INT__DIG_THERM_INTL__SHIFT;
1026 	WREG32_SMC(ixCG_THERMAL_INT, tmp);
1027 
1028 #if 0
1029 	/* XXX: need to figure out how to handle this properly */
1030 	tmp = RREG32_SMC(ixCG_THERMAL_CTRL);
1031 	tmp &= DIG_THERM_DPM_MASK;
1032 	tmp |= DIG_THERM_DPM(high_temp / 1000);
1033 	WREG32_SMC(ixCG_THERMAL_CTRL, tmp);
1034 #endif
1035 
1036 	adev->pm.dpm.thermal.min_temp = low_temp;
1037 	adev->pm.dpm.thermal.max_temp = high_temp;
1038 	return 0;
1039 }
1040 
ci_thermal_enable_alert(struct amdgpu_device * adev,bool enable)1041 static int ci_thermal_enable_alert(struct amdgpu_device *adev,
1042 				   bool enable)
1043 {
1044 	u32 thermal_int = RREG32_SMC(ixCG_THERMAL_INT);
1045 	PPSMC_Result result;
1046 
1047 	if (enable) {
1048 		thermal_int &= ~(CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK |
1049 				 CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK);
1050 		WREG32_SMC(ixCG_THERMAL_INT, thermal_int);
1051 		result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_Thermal_Cntl_Enable);
1052 		if (result != PPSMC_Result_OK) {
1053 			DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
1054 			return -EINVAL;
1055 		}
1056 	} else {
1057 		thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK |
1058 			CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
1059 		WREG32_SMC(ixCG_THERMAL_INT, thermal_int);
1060 		result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_Thermal_Cntl_Disable);
1061 		if (result != PPSMC_Result_OK) {
1062 			DRM_DEBUG_KMS("Could not disable thermal interrupts.\n");
1063 			return -EINVAL;
1064 		}
1065 	}
1066 
1067 	return 0;
1068 }
1069 
ci_fan_ctrl_set_static_mode(struct amdgpu_device * adev,u32 mode)1070 static void ci_fan_ctrl_set_static_mode(struct amdgpu_device *adev, u32 mode)
1071 {
1072 	struct ci_power_info *pi = ci_get_pi(adev);
1073 	u32 tmp;
1074 
1075 	if (pi->fan_ctrl_is_in_default_mode) {
1076 		tmp = (RREG32_SMC(ixCG_FDO_CTRL2) & CG_FDO_CTRL2__FDO_PWM_MODE_MASK)
1077 			>> CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT;
1078 		pi->fan_ctrl_default_mode = tmp;
1079 		tmp = (RREG32_SMC(ixCG_FDO_CTRL2) & CG_FDO_CTRL2__TMIN_MASK)
1080 			>> CG_FDO_CTRL2__TMIN__SHIFT;
1081 		pi->t_min = tmp;
1082 		pi->fan_ctrl_is_in_default_mode = false;
1083 	}
1084 
1085 	tmp = RREG32_SMC(ixCG_FDO_CTRL2) & ~CG_FDO_CTRL2__TMIN_MASK;
1086 	tmp |= 0 << CG_FDO_CTRL2__TMIN__SHIFT;
1087 	WREG32_SMC(ixCG_FDO_CTRL2, tmp);
1088 
1089 	tmp = RREG32_SMC(ixCG_FDO_CTRL2) & ~CG_FDO_CTRL2__FDO_PWM_MODE_MASK;
1090 	tmp |= mode << CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT;
1091 	WREG32_SMC(ixCG_FDO_CTRL2, tmp);
1092 }
1093 
ci_thermal_setup_fan_table(struct amdgpu_device * adev)1094 static int ci_thermal_setup_fan_table(struct amdgpu_device *adev)
1095 {
1096 	struct ci_power_info *pi = ci_get_pi(adev);
1097 	SMU7_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
1098 	u32 duty100;
1099 	u32 t_diff1, t_diff2, pwm_diff1, pwm_diff2;
1100 	u16 fdo_min, slope1, slope2;
1101 	u32 reference_clock, tmp;
1102 	int ret;
1103 	u64 tmp64;
1104 
1105 	if (!pi->fan_table_start) {
1106 		adev->pm.dpm.fan.ucode_fan_control = false;
1107 		return 0;
1108 	}
1109 
1110 	duty100 = (RREG32_SMC(ixCG_FDO_CTRL1) & CG_FDO_CTRL1__FMAX_DUTY100_MASK)
1111 		>> CG_FDO_CTRL1__FMAX_DUTY100__SHIFT;
1112 
1113 	if (duty100 == 0) {
1114 		adev->pm.dpm.fan.ucode_fan_control = false;
1115 		return 0;
1116 	}
1117 
1118 	tmp64 = (u64)adev->pm.dpm.fan.pwm_min * duty100;
1119 	do_div(tmp64, 10000);
1120 	fdo_min = (u16)tmp64;
1121 
1122 	t_diff1 = adev->pm.dpm.fan.t_med - adev->pm.dpm.fan.t_min;
1123 	t_diff2 = adev->pm.dpm.fan.t_high - adev->pm.dpm.fan.t_med;
1124 
1125 	pwm_diff1 = adev->pm.dpm.fan.pwm_med - adev->pm.dpm.fan.pwm_min;
1126 	pwm_diff2 = adev->pm.dpm.fan.pwm_high - adev->pm.dpm.fan.pwm_med;
1127 
1128 	slope1 = (u16)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
1129 	slope2 = (u16)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
1130 
1131 	fan_table.TempMin = cpu_to_be16((50 + adev->pm.dpm.fan.t_min) / 100);
1132 	fan_table.TempMed = cpu_to_be16((50 + adev->pm.dpm.fan.t_med) / 100);
1133 	fan_table.TempMax = cpu_to_be16((50 + adev->pm.dpm.fan.t_max) / 100);
1134 
1135 	fan_table.Slope1 = cpu_to_be16(slope1);
1136 	fan_table.Slope2 = cpu_to_be16(slope2);
1137 
1138 	fan_table.FdoMin = cpu_to_be16(fdo_min);
1139 
1140 	fan_table.HystDown = cpu_to_be16(adev->pm.dpm.fan.t_hyst);
1141 
1142 	fan_table.HystUp = cpu_to_be16(1);
1143 
1144 	fan_table.HystSlope = cpu_to_be16(1);
1145 
1146 	fan_table.TempRespLim = cpu_to_be16(5);
1147 
1148 	reference_clock = amdgpu_asic_get_xclk(adev);
1149 
1150 	fan_table.RefreshPeriod = cpu_to_be32((adev->pm.dpm.fan.cycle_delay *
1151 					       reference_clock) / 1600);
1152 
1153 	fan_table.FdoMax = cpu_to_be16((u16)duty100);
1154 
1155 	tmp = (RREG32_SMC(ixCG_MULT_THERMAL_CTRL) & CG_MULT_THERMAL_CTRL__TEMP_SEL_MASK)
1156 		>> CG_MULT_THERMAL_CTRL__TEMP_SEL__SHIFT;
1157 	fan_table.TempSrc = (uint8_t)tmp;
1158 
1159 	ret = amdgpu_ci_copy_bytes_to_smc(adev,
1160 					  pi->fan_table_start,
1161 					  (u8 *)(&fan_table),
1162 					  sizeof(fan_table),
1163 					  pi->sram_end);
1164 
1165 	if (ret) {
1166 		DRM_ERROR("Failed to load fan table to the SMC.");
1167 		adev->pm.dpm.fan.ucode_fan_control = false;
1168 	}
1169 
1170 	return 0;
1171 }
1172 
ci_fan_ctrl_start_smc_fan_control(struct amdgpu_device * adev)1173 static int ci_fan_ctrl_start_smc_fan_control(struct amdgpu_device *adev)
1174 {
1175 	struct ci_power_info *pi = ci_get_pi(adev);
1176 	PPSMC_Result ret;
1177 
1178 	if (pi->caps_od_fuzzy_fan_control_support) {
1179 		ret = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
1180 							       PPSMC_StartFanControl,
1181 							       FAN_CONTROL_FUZZY);
1182 		if (ret != PPSMC_Result_OK)
1183 			return -EINVAL;
1184 		ret = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
1185 							       PPSMC_MSG_SetFanPwmMax,
1186 							       adev->pm.dpm.fan.default_max_fan_pwm);
1187 		if (ret != PPSMC_Result_OK)
1188 			return -EINVAL;
1189 	} else {
1190 		ret = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
1191 							       PPSMC_StartFanControl,
1192 							       FAN_CONTROL_TABLE);
1193 		if (ret != PPSMC_Result_OK)
1194 			return -EINVAL;
1195 	}
1196 
1197 	pi->fan_is_controlled_by_smc = true;
1198 	return 0;
1199 }
1200 
1201 
ci_fan_ctrl_stop_smc_fan_control(struct amdgpu_device * adev)1202 static int ci_fan_ctrl_stop_smc_fan_control(struct amdgpu_device *adev)
1203 {
1204 	PPSMC_Result ret;
1205 	struct ci_power_info *pi = ci_get_pi(adev);
1206 
1207 	ret = amdgpu_ci_send_msg_to_smc(adev, PPSMC_StopFanControl);
1208 	if (ret == PPSMC_Result_OK) {
1209 		pi->fan_is_controlled_by_smc = false;
1210 		return 0;
1211 	} else {
1212 		return -EINVAL;
1213 	}
1214 }
1215 
ci_dpm_get_fan_speed_percent(void * handle,u32 * speed)1216 static int ci_dpm_get_fan_speed_percent(void *handle,
1217 					u32 *speed)
1218 {
1219 	u32 duty, duty100;
1220 	u64 tmp64;
1221 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1222 
1223 	if (adev->pm.no_fan)
1224 		return -ENOENT;
1225 
1226 	duty100 = (RREG32_SMC(ixCG_FDO_CTRL1) & CG_FDO_CTRL1__FMAX_DUTY100_MASK)
1227 		>> CG_FDO_CTRL1__FMAX_DUTY100__SHIFT;
1228 	duty = (RREG32_SMC(ixCG_THERMAL_STATUS) & CG_THERMAL_STATUS__FDO_PWM_DUTY_MASK)
1229 		>> CG_THERMAL_STATUS__FDO_PWM_DUTY__SHIFT;
1230 
1231 	if (duty100 == 0)
1232 		return -EINVAL;
1233 
1234 	tmp64 = (u64)duty * 100;
1235 	do_div(tmp64, duty100);
1236 	*speed = (u32)tmp64;
1237 
1238 	if (*speed > 100)
1239 		*speed = 100;
1240 
1241 	return 0;
1242 }
1243 
ci_dpm_set_fan_speed_percent(void * handle,u32 speed)1244 static int ci_dpm_set_fan_speed_percent(void *handle,
1245 					u32 speed)
1246 {
1247 	u32 tmp;
1248 	u32 duty, duty100;
1249 	u64 tmp64;
1250 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1251 	struct ci_power_info *pi = ci_get_pi(adev);
1252 
1253 	if (adev->pm.no_fan)
1254 		return -ENOENT;
1255 
1256 	if (pi->fan_is_controlled_by_smc)
1257 		return -EINVAL;
1258 
1259 	if (speed > 100)
1260 		return -EINVAL;
1261 
1262 	duty100 = (RREG32_SMC(ixCG_FDO_CTRL1) & CG_FDO_CTRL1__FMAX_DUTY100_MASK)
1263 		>> CG_FDO_CTRL1__FMAX_DUTY100__SHIFT;
1264 
1265 	if (duty100 == 0)
1266 		return -EINVAL;
1267 
1268 	tmp64 = (u64)speed * duty100;
1269 	do_div(tmp64, 100);
1270 	duty = (u32)tmp64;
1271 
1272 	tmp = RREG32_SMC(ixCG_FDO_CTRL0) & ~CG_FDO_CTRL0__FDO_STATIC_DUTY_MASK;
1273 	tmp |= duty << CG_FDO_CTRL0__FDO_STATIC_DUTY__SHIFT;
1274 	WREG32_SMC(ixCG_FDO_CTRL0, tmp);
1275 
1276 	return 0;
1277 }
1278 
ci_dpm_set_fan_control_mode(void * handle,u32 mode)1279 static void ci_dpm_set_fan_control_mode(void *handle, u32 mode)
1280 {
1281 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1282 
1283 	switch (mode) {
1284 	case AMD_FAN_CTRL_NONE:
1285 		if (adev->pm.dpm.fan.ucode_fan_control)
1286 			ci_fan_ctrl_stop_smc_fan_control(adev);
1287 		ci_dpm_set_fan_speed_percent(adev, 100);
1288 		break;
1289 	case AMD_FAN_CTRL_MANUAL:
1290 		if (adev->pm.dpm.fan.ucode_fan_control)
1291 			ci_fan_ctrl_stop_smc_fan_control(adev);
1292 		break;
1293 	case AMD_FAN_CTRL_AUTO:
1294 		if (adev->pm.dpm.fan.ucode_fan_control)
1295 			ci_thermal_start_smc_fan_control(adev);
1296 		break;
1297 	default:
1298 		break;
1299 	}
1300 }
1301 
ci_dpm_get_fan_control_mode(void * handle)1302 static u32 ci_dpm_get_fan_control_mode(void *handle)
1303 {
1304 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1305 	struct ci_power_info *pi = ci_get_pi(adev);
1306 
1307 	if (pi->fan_is_controlled_by_smc)
1308 		return AMD_FAN_CTRL_AUTO;
1309 	else
1310 		return AMD_FAN_CTRL_MANUAL;
1311 }
1312 
1313 #if 0
1314 static int ci_fan_ctrl_get_fan_speed_rpm(struct amdgpu_device *adev,
1315 					 u32 *speed)
1316 {
1317 	u32 tach_period;
1318 	u32 xclk = amdgpu_asic_get_xclk(adev);
1319 
1320 	if (adev->pm.no_fan)
1321 		return -ENOENT;
1322 
1323 	if (adev->pm.fan_pulses_per_revolution == 0)
1324 		return -ENOENT;
1325 
1326 	tach_period = (RREG32_SMC(ixCG_TACH_STATUS) & CG_TACH_STATUS__TACH_PERIOD_MASK)
1327 		>> CG_TACH_STATUS__TACH_PERIOD__SHIFT;
1328 	if (tach_period == 0)
1329 		return -ENOENT;
1330 
1331 	*speed = 60 * xclk * 10000 / tach_period;
1332 
1333 	return 0;
1334 }
1335 
1336 static int ci_fan_ctrl_set_fan_speed_rpm(struct amdgpu_device *adev,
1337 					 u32 speed)
1338 {
1339 	u32 tach_period, tmp;
1340 	u32 xclk = amdgpu_asic_get_xclk(adev);
1341 
1342 	if (adev->pm.no_fan)
1343 		return -ENOENT;
1344 
1345 	if (adev->pm.fan_pulses_per_revolution == 0)
1346 		return -ENOENT;
1347 
1348 	if ((speed < adev->pm.fan_min_rpm) ||
1349 	    (speed > adev->pm.fan_max_rpm))
1350 		return -EINVAL;
1351 
1352 	if (adev->pm.dpm.fan.ucode_fan_control)
1353 		ci_fan_ctrl_stop_smc_fan_control(adev);
1354 
1355 	tach_period = 60 * xclk * 10000 / (8 * speed);
1356 	tmp = RREG32_SMC(ixCG_TACH_CTRL) & ~CG_TACH_CTRL__TARGET_PERIOD_MASK;
1357 	tmp |= tach_period << CG_TACH_CTRL__TARGET_PERIOD__SHIFT;
1358 	WREG32_SMC(CG_TACH_CTRL, tmp);
1359 
1360 	ci_fan_ctrl_set_static_mode(adev, FDO_PWM_MODE_STATIC_RPM);
1361 
1362 	return 0;
1363 }
1364 #endif
1365 
ci_fan_ctrl_set_default_mode(struct amdgpu_device * adev)1366 static void ci_fan_ctrl_set_default_mode(struct amdgpu_device *adev)
1367 {
1368 	struct ci_power_info *pi = ci_get_pi(adev);
1369 	u32 tmp;
1370 
1371 	if (!pi->fan_ctrl_is_in_default_mode) {
1372 		tmp = RREG32_SMC(ixCG_FDO_CTRL2) & ~CG_FDO_CTRL2__FDO_PWM_MODE_MASK;
1373 		tmp |= pi->fan_ctrl_default_mode << CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT;
1374 		WREG32_SMC(ixCG_FDO_CTRL2, tmp);
1375 
1376 		tmp = RREG32_SMC(ixCG_FDO_CTRL2) & ~CG_FDO_CTRL2__TMIN_MASK;
1377 		tmp |= pi->t_min << CG_FDO_CTRL2__TMIN__SHIFT;
1378 		WREG32_SMC(ixCG_FDO_CTRL2, tmp);
1379 		pi->fan_ctrl_is_in_default_mode = true;
1380 	}
1381 }
1382 
ci_thermal_start_smc_fan_control(struct amdgpu_device * adev)1383 static void ci_thermal_start_smc_fan_control(struct amdgpu_device *adev)
1384 {
1385 	if (adev->pm.dpm.fan.ucode_fan_control) {
1386 		ci_fan_ctrl_start_smc_fan_control(adev);
1387 		ci_fan_ctrl_set_static_mode(adev, FDO_PWM_MODE_STATIC);
1388 	}
1389 }
1390 
ci_thermal_initialize(struct amdgpu_device * adev)1391 static void ci_thermal_initialize(struct amdgpu_device *adev)
1392 {
1393 	u32 tmp;
1394 
1395 	if (adev->pm.fan_pulses_per_revolution) {
1396 		tmp = RREG32_SMC(ixCG_TACH_CTRL) & ~CG_TACH_CTRL__EDGE_PER_REV_MASK;
1397 		tmp |= (adev->pm.fan_pulses_per_revolution - 1)
1398 			<< CG_TACH_CTRL__EDGE_PER_REV__SHIFT;
1399 		WREG32_SMC(ixCG_TACH_CTRL, tmp);
1400 	}
1401 
1402 	tmp = RREG32_SMC(ixCG_FDO_CTRL2) & ~CG_FDO_CTRL2__TACH_PWM_RESP_RATE_MASK;
1403 	tmp |= 0x28 << CG_FDO_CTRL2__TACH_PWM_RESP_RATE__SHIFT;
1404 	WREG32_SMC(ixCG_FDO_CTRL2, tmp);
1405 }
1406 
ci_thermal_start_thermal_controller(struct amdgpu_device * adev)1407 static int ci_thermal_start_thermal_controller(struct amdgpu_device *adev)
1408 {
1409 	int ret;
1410 
1411 	ci_thermal_initialize(adev);
1412 	ret = ci_thermal_set_temperature_range(adev, CISLANDS_TEMP_RANGE_MIN, CISLANDS_TEMP_RANGE_MAX);
1413 	if (ret)
1414 		return ret;
1415 	ret = ci_thermal_enable_alert(adev, true);
1416 	if (ret)
1417 		return ret;
1418 	if (adev->pm.dpm.fan.ucode_fan_control) {
1419 		ret = ci_thermal_setup_fan_table(adev);
1420 		if (ret)
1421 			return ret;
1422 		ci_thermal_start_smc_fan_control(adev);
1423 	}
1424 
1425 	return 0;
1426 }
1427 
ci_thermal_stop_thermal_controller(struct amdgpu_device * adev)1428 static void ci_thermal_stop_thermal_controller(struct amdgpu_device *adev)
1429 {
1430 	if (!adev->pm.no_fan)
1431 		ci_fan_ctrl_set_default_mode(adev);
1432 }
1433 
ci_read_smc_soft_register(struct amdgpu_device * adev,u16 reg_offset,u32 * value)1434 static int ci_read_smc_soft_register(struct amdgpu_device *adev,
1435 				     u16 reg_offset, u32 *value)
1436 {
1437 	struct ci_power_info *pi = ci_get_pi(adev);
1438 
1439 	return amdgpu_ci_read_smc_sram_dword(adev,
1440 				      pi->soft_regs_start + reg_offset,
1441 				      value, pi->sram_end);
1442 }
1443 
ci_write_smc_soft_register(struct amdgpu_device * adev,u16 reg_offset,u32 value)1444 static int ci_write_smc_soft_register(struct amdgpu_device *adev,
1445 				      u16 reg_offset, u32 value)
1446 {
1447 	struct ci_power_info *pi = ci_get_pi(adev);
1448 
1449 	return amdgpu_ci_write_smc_sram_dword(adev,
1450 				       pi->soft_regs_start + reg_offset,
1451 				       value, pi->sram_end);
1452 }
1453 
ci_init_fps_limits(struct amdgpu_device * adev)1454 static void ci_init_fps_limits(struct amdgpu_device *adev)
1455 {
1456 	struct ci_power_info *pi = ci_get_pi(adev);
1457 	SMU7_Discrete_DpmTable *table = &pi->smc_state_table;
1458 
1459 	if (pi->caps_fps) {
1460 		u16 tmp;
1461 
1462 		tmp = 45;
1463 		table->FpsHighT = cpu_to_be16(tmp);
1464 
1465 		tmp = 30;
1466 		table->FpsLowT = cpu_to_be16(tmp);
1467 	}
1468 }
1469 
ci_update_sclk_t(struct amdgpu_device * adev)1470 static int ci_update_sclk_t(struct amdgpu_device *adev)
1471 {
1472 	struct ci_power_info *pi = ci_get_pi(adev);
1473 	int ret = 0;
1474 	u32 low_sclk_interrupt_t = 0;
1475 
1476 	if (pi->caps_sclk_throttle_low_notification) {
1477 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
1478 
1479 		ret = amdgpu_ci_copy_bytes_to_smc(adev,
1480 					   pi->dpm_table_start +
1481 					   offsetof(SMU7_Discrete_DpmTable, LowSclkInterruptT),
1482 					   (u8 *)&low_sclk_interrupt_t,
1483 					   sizeof(u32), pi->sram_end);
1484 
1485 	}
1486 
1487 	return ret;
1488 }
1489 
ci_get_leakage_voltages(struct amdgpu_device * adev)1490 static void ci_get_leakage_voltages(struct amdgpu_device *adev)
1491 {
1492 	struct ci_power_info *pi = ci_get_pi(adev);
1493 	u16 leakage_id, virtual_voltage_id;
1494 	u16 vddc, vddci;
1495 	int i;
1496 
1497 	pi->vddc_leakage.count = 0;
1498 	pi->vddci_leakage.count = 0;
1499 
1500 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1501 		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
1502 			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
1503 			if (amdgpu_atombios_get_voltage_evv(adev, virtual_voltage_id, &vddc) != 0)
1504 				continue;
1505 			if (vddc != 0 && vddc != virtual_voltage_id) {
1506 				pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
1507 				pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
1508 				pi->vddc_leakage.count++;
1509 			}
1510 		}
1511 	} else if (amdgpu_atombios_get_leakage_id_from_vbios(adev, &leakage_id) == 0) {
1512 		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
1513 			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
1514 			if (amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(adev, &vddc, &vddci,
1515 										     virtual_voltage_id,
1516 										     leakage_id) == 0) {
1517 				if (vddc != 0 && vddc != virtual_voltage_id) {
1518 					pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
1519 					pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
1520 					pi->vddc_leakage.count++;
1521 				}
1522 				if (vddci != 0 && vddci != virtual_voltage_id) {
1523 					pi->vddci_leakage.actual_voltage[pi->vddci_leakage.count] = vddci;
1524 					pi->vddci_leakage.leakage_id[pi->vddci_leakage.count] = virtual_voltage_id;
1525 					pi->vddci_leakage.count++;
1526 				}
1527 			}
1528 		}
1529 	}
1530 }
1531 
ci_set_dpm_event_sources(struct amdgpu_device * adev,u32 sources)1532 static void ci_set_dpm_event_sources(struct amdgpu_device *adev, u32 sources)
1533 {
1534 	struct ci_power_info *pi = ci_get_pi(adev);
1535 	bool want_thermal_protection;
1536 	enum amdgpu_dpm_event_src dpm_event_src;
1537 	u32 tmp;
1538 
1539 	switch (sources) {
1540 	case 0:
1541 	default:
1542 		want_thermal_protection = false;
1543 		break;
1544 	case (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL):
1545 		want_thermal_protection = true;
1546 		dpm_event_src = AMDGPU_DPM_EVENT_SRC_DIGITAL;
1547 		break;
1548 	case (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
1549 		want_thermal_protection = true;
1550 		dpm_event_src = AMDGPU_DPM_EVENT_SRC_EXTERNAL;
1551 		break;
1552 	case ((1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
1553 	      (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL)):
1554 		want_thermal_protection = true;
1555 		dpm_event_src = AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
1556 		break;
1557 	}
1558 
1559 	if (want_thermal_protection) {
1560 #if 0
1561 		/* XXX: need to figure out how to handle this properly */
1562 		tmp = RREG32_SMC(ixCG_THERMAL_CTRL);
1563 		tmp &= DPM_EVENT_SRC_MASK;
1564 		tmp |= DPM_EVENT_SRC(dpm_event_src);
1565 		WREG32_SMC(ixCG_THERMAL_CTRL, tmp);
1566 #endif
1567 
1568 		tmp = RREG32_SMC(ixGENERAL_PWRMGT);
1569 		if (pi->thermal_protection)
1570 			tmp &= ~GENERAL_PWRMGT__THERMAL_PROTECTION_DIS_MASK;
1571 		else
1572 			tmp |= GENERAL_PWRMGT__THERMAL_PROTECTION_DIS_MASK;
1573 		WREG32_SMC(ixGENERAL_PWRMGT, tmp);
1574 	} else {
1575 		tmp = RREG32_SMC(ixGENERAL_PWRMGT);
1576 		tmp |= GENERAL_PWRMGT__THERMAL_PROTECTION_DIS_MASK;
1577 		WREG32_SMC(ixGENERAL_PWRMGT, tmp);
1578 	}
1579 }
1580 
ci_enable_auto_throttle_source(struct amdgpu_device * adev,enum amdgpu_dpm_auto_throttle_src source,bool enable)1581 static void ci_enable_auto_throttle_source(struct amdgpu_device *adev,
1582 					   enum amdgpu_dpm_auto_throttle_src source,
1583 					   bool enable)
1584 {
1585 	struct ci_power_info *pi = ci_get_pi(adev);
1586 
1587 	if (enable) {
1588 		if (!(pi->active_auto_throttle_sources & (1 << source))) {
1589 			pi->active_auto_throttle_sources |= 1 << source;
1590 			ci_set_dpm_event_sources(adev, pi->active_auto_throttle_sources);
1591 		}
1592 	} else {
1593 		if (pi->active_auto_throttle_sources & (1 << source)) {
1594 			pi->active_auto_throttle_sources &= ~(1 << source);
1595 			ci_set_dpm_event_sources(adev, pi->active_auto_throttle_sources);
1596 		}
1597 	}
1598 }
1599 
ci_enable_vr_hot_gpio_interrupt(struct amdgpu_device * adev)1600 static void ci_enable_vr_hot_gpio_interrupt(struct amdgpu_device *adev)
1601 {
1602 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1603 		amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_EnableVRHotGPIOInterrupt);
1604 }
1605 
ci_unfreeze_sclk_mclk_dpm(struct amdgpu_device * adev)1606 static int ci_unfreeze_sclk_mclk_dpm(struct amdgpu_device *adev)
1607 {
1608 	struct ci_power_info *pi = ci_get_pi(adev);
1609 	PPSMC_Result smc_result;
1610 
1611 	if (!pi->need_update_smu7_dpm_table)
1612 		return 0;
1613 
1614 	if ((!pi->sclk_dpm_key_disabled) &&
1615 	    (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) {
1616 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
1617 		if (smc_result != PPSMC_Result_OK)
1618 			return -EINVAL;
1619 	}
1620 
1621 	if ((!pi->mclk_dpm_key_disabled) &&
1622 	    (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
1623 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
1624 		if (smc_result != PPSMC_Result_OK)
1625 			return -EINVAL;
1626 	}
1627 
1628 	pi->need_update_smu7_dpm_table = 0;
1629 	return 0;
1630 }
1631 
ci_enable_sclk_mclk_dpm(struct amdgpu_device * adev,bool enable)1632 static int ci_enable_sclk_mclk_dpm(struct amdgpu_device *adev, bool enable)
1633 {
1634 	struct ci_power_info *pi = ci_get_pi(adev);
1635 	PPSMC_Result smc_result;
1636 
1637 	if (enable) {
1638 		if (!pi->sclk_dpm_key_disabled) {
1639 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DPM_Enable);
1640 			if (smc_result != PPSMC_Result_OK)
1641 				return -EINVAL;
1642 		}
1643 
1644 		if (!pi->mclk_dpm_key_disabled) {
1645 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MCLKDPM_Enable);
1646 			if (smc_result != PPSMC_Result_OK)
1647 				return -EINVAL;
1648 
1649 			WREG32_P(mmMC_SEQ_CNTL_3, MC_SEQ_CNTL_3__CAC_EN_MASK,
1650 					~MC_SEQ_CNTL_3__CAC_EN_MASK);
1651 
1652 			WREG32_SMC(ixLCAC_MC0_CNTL, 0x05);
1653 			WREG32_SMC(ixLCAC_MC1_CNTL, 0x05);
1654 			WREG32_SMC(ixLCAC_CPL_CNTL, 0x100005);
1655 
1656 			udelay(10);
1657 
1658 			WREG32_SMC(ixLCAC_MC0_CNTL, 0x400005);
1659 			WREG32_SMC(ixLCAC_MC1_CNTL, 0x400005);
1660 			WREG32_SMC(ixLCAC_CPL_CNTL, 0x500005);
1661 		}
1662 	} else {
1663 		if (!pi->sclk_dpm_key_disabled) {
1664 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DPM_Disable);
1665 			if (smc_result != PPSMC_Result_OK)
1666 				return -EINVAL;
1667 		}
1668 
1669 		if (!pi->mclk_dpm_key_disabled) {
1670 			smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MCLKDPM_Disable);
1671 			if (smc_result != PPSMC_Result_OK)
1672 				return -EINVAL;
1673 		}
1674 	}
1675 
1676 	return 0;
1677 }
1678 
ci_start_dpm(struct amdgpu_device * adev)1679 static int ci_start_dpm(struct amdgpu_device *adev)
1680 {
1681 	struct ci_power_info *pi = ci_get_pi(adev);
1682 	PPSMC_Result smc_result;
1683 	int ret;
1684 	u32 tmp;
1685 
1686 	tmp = RREG32_SMC(ixGENERAL_PWRMGT);
1687 	tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
1688 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
1689 
1690 	tmp = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
1691 	tmp |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
1692 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, tmp);
1693 
1694 	ci_write_smc_soft_register(adev, offsetof(SMU7_SoftRegisters, VoltageChangeTimeout), 0x1000);
1695 
1696 	WREG32_P(mmBIF_LNCNT_RESET, 0, ~BIF_LNCNT_RESET__RESET_LNCNT_EN_MASK);
1697 
1698 	smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_Voltage_Cntl_Enable);
1699 	if (smc_result != PPSMC_Result_OK)
1700 		return -EINVAL;
1701 
1702 	ret = ci_enable_sclk_mclk_dpm(adev, true);
1703 	if (ret)
1704 		return ret;
1705 
1706 	if (!pi->pcie_dpm_key_disabled) {
1707 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PCIeDPM_Enable);
1708 		if (smc_result != PPSMC_Result_OK)
1709 			return -EINVAL;
1710 	}
1711 
1712 	return 0;
1713 }
1714 
ci_freeze_sclk_mclk_dpm(struct amdgpu_device * adev)1715 static int ci_freeze_sclk_mclk_dpm(struct amdgpu_device *adev)
1716 {
1717 	struct ci_power_info *pi = ci_get_pi(adev);
1718 	PPSMC_Result smc_result;
1719 
1720 	if (!pi->need_update_smu7_dpm_table)
1721 		return 0;
1722 
1723 	if ((!pi->sclk_dpm_key_disabled) &&
1724 	    (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) {
1725 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_SCLKDPM_FreezeLevel);
1726 		if (smc_result != PPSMC_Result_OK)
1727 			return -EINVAL;
1728 	}
1729 
1730 	if ((!pi->mclk_dpm_key_disabled) &&
1731 	    (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
1732 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MCLKDPM_FreezeLevel);
1733 		if (smc_result != PPSMC_Result_OK)
1734 			return -EINVAL;
1735 	}
1736 
1737 	return 0;
1738 }
1739 
ci_stop_dpm(struct amdgpu_device * adev)1740 static int ci_stop_dpm(struct amdgpu_device *adev)
1741 {
1742 	struct ci_power_info *pi = ci_get_pi(adev);
1743 	PPSMC_Result smc_result;
1744 	int ret;
1745 	u32 tmp;
1746 
1747 	tmp = RREG32_SMC(ixGENERAL_PWRMGT);
1748 	tmp &= ~GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
1749 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
1750 
1751 	tmp = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
1752 	tmp &= ~SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
1753 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, tmp);
1754 
1755 	if (!pi->pcie_dpm_key_disabled) {
1756 		smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PCIeDPM_Disable);
1757 		if (smc_result != PPSMC_Result_OK)
1758 			return -EINVAL;
1759 	}
1760 
1761 	ret = ci_enable_sclk_mclk_dpm(adev, false);
1762 	if (ret)
1763 		return ret;
1764 
1765 	smc_result = amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_Voltage_Cntl_Disable);
1766 	if (smc_result != PPSMC_Result_OK)
1767 		return -EINVAL;
1768 
1769 	return 0;
1770 }
1771 
ci_enable_sclk_control(struct amdgpu_device * adev,bool enable)1772 static void ci_enable_sclk_control(struct amdgpu_device *adev, bool enable)
1773 {
1774 	u32 tmp = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
1775 
1776 	if (enable)
1777 		tmp &= ~SCLK_PWRMGT_CNTL__SCLK_PWRMGT_OFF_MASK;
1778 	else
1779 		tmp |= SCLK_PWRMGT_CNTL__SCLK_PWRMGT_OFF_MASK;
1780 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, tmp);
1781 }
1782 
1783 #if 0
1784 static int ci_notify_hw_of_power_source(struct amdgpu_device *adev,
1785 					bool ac_power)
1786 {
1787 	struct ci_power_info *pi = ci_get_pi(adev);
1788 	struct amdgpu_cac_tdp_table *cac_tdp_table =
1789 		adev->pm.dpm.dyn_state.cac_tdp_table;
1790 	u32 power_limit;
1791 
1792 	if (ac_power)
1793 		power_limit = (u32)(cac_tdp_table->maximum_power_delivery_limit * 256);
1794 	else
1795 		power_limit = (u32)(cac_tdp_table->battery_power_limit * 256);
1796 
1797 	ci_set_power_limit(adev, power_limit);
1798 
1799 	if (pi->caps_automatic_dc_transition) {
1800 		if (ac_power)
1801 			amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_RunningOnAC);
1802 		else
1803 			amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_Remove_DC_Clamp);
1804 	}
1805 
1806 	return 0;
1807 }
1808 #endif
1809 
amdgpu_ci_send_msg_to_smc_with_parameter(struct amdgpu_device * adev,PPSMC_Msg msg,u32 parameter)1810 static PPSMC_Result amdgpu_ci_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
1811 						      PPSMC_Msg msg, u32 parameter)
1812 {
1813 	WREG32(mmSMC_MSG_ARG_0, parameter);
1814 	return amdgpu_ci_send_msg_to_smc(adev, msg);
1815 }
1816 
amdgpu_ci_send_msg_to_smc_return_parameter(struct amdgpu_device * adev,PPSMC_Msg msg,u32 * parameter)1817 static PPSMC_Result amdgpu_ci_send_msg_to_smc_return_parameter(struct amdgpu_device *adev,
1818 							PPSMC_Msg msg, u32 *parameter)
1819 {
1820 	PPSMC_Result smc_result;
1821 
1822 	smc_result = amdgpu_ci_send_msg_to_smc(adev, msg);
1823 
1824 	if ((smc_result == PPSMC_Result_OK) && parameter)
1825 		*parameter = RREG32(mmSMC_MSG_ARG_0);
1826 
1827 	return smc_result;
1828 }
1829 
ci_dpm_force_state_sclk(struct amdgpu_device * adev,u32 n)1830 static int ci_dpm_force_state_sclk(struct amdgpu_device *adev, u32 n)
1831 {
1832 	struct ci_power_info *pi = ci_get_pi(adev);
1833 
1834 	if (!pi->sclk_dpm_key_disabled) {
1835 		PPSMC_Result smc_result =
1836 			amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SCLKDPM_SetEnabledMask, 1 << n);
1837 		if (smc_result != PPSMC_Result_OK)
1838 			return -EINVAL;
1839 	}
1840 
1841 	return 0;
1842 }
1843 
ci_dpm_force_state_mclk(struct amdgpu_device * adev,u32 n)1844 static int ci_dpm_force_state_mclk(struct amdgpu_device *adev, u32 n)
1845 {
1846 	struct ci_power_info *pi = ci_get_pi(adev);
1847 
1848 	if (!pi->mclk_dpm_key_disabled) {
1849 		PPSMC_Result smc_result =
1850 			amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_MCLKDPM_SetEnabledMask, 1 << n);
1851 		if (smc_result != PPSMC_Result_OK)
1852 			return -EINVAL;
1853 	}
1854 
1855 	return 0;
1856 }
1857 
ci_dpm_force_state_pcie(struct amdgpu_device * adev,u32 n)1858 static int ci_dpm_force_state_pcie(struct amdgpu_device *adev, u32 n)
1859 {
1860 	struct ci_power_info *pi = ci_get_pi(adev);
1861 
1862 	if (!pi->pcie_dpm_key_disabled) {
1863 		PPSMC_Result smc_result =
1864 			amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_PCIeDPM_ForceLevel, n);
1865 		if (smc_result != PPSMC_Result_OK)
1866 			return -EINVAL;
1867 	}
1868 
1869 	return 0;
1870 }
1871 
ci_set_power_limit(struct amdgpu_device * adev,u32 n)1872 static int ci_set_power_limit(struct amdgpu_device *adev, u32 n)
1873 {
1874 	struct ci_power_info *pi = ci_get_pi(adev);
1875 
1876 	if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit) {
1877 		PPSMC_Result smc_result =
1878 			amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_PkgPwrSetLimit, n);
1879 		if (smc_result != PPSMC_Result_OK)
1880 			return -EINVAL;
1881 	}
1882 
1883 	return 0;
1884 }
1885 
ci_set_overdrive_target_tdp(struct amdgpu_device * adev,u32 target_tdp)1886 static int ci_set_overdrive_target_tdp(struct amdgpu_device *adev,
1887 				       u32 target_tdp)
1888 {
1889 	PPSMC_Result smc_result =
1890 		amdgpu_ci_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_OverDriveSetTargetTdp, target_tdp);
1891 	if (smc_result != PPSMC_Result_OK)
1892 		return -EINVAL;
1893 	return 0;
1894 }
1895 
1896 #if 0
1897 static int ci_set_boot_state(struct amdgpu_device *adev)
1898 {
1899 	return ci_enable_sclk_mclk_dpm(adev, false);
1900 }
1901 #endif
1902 
ci_get_average_sclk_freq(struct amdgpu_device * adev)1903 static u32 ci_get_average_sclk_freq(struct amdgpu_device *adev)
1904 {
1905 	u32 sclk_freq;
1906 	PPSMC_Result smc_result =
1907 		amdgpu_ci_send_msg_to_smc_return_parameter(adev,
1908 						    PPSMC_MSG_API_GetSclkFrequency,
1909 						    &sclk_freq);
1910 	if (smc_result != PPSMC_Result_OK)
1911 		sclk_freq = 0;
1912 
1913 	return sclk_freq;
1914 }
1915 
ci_get_average_mclk_freq(struct amdgpu_device * adev)1916 static u32 ci_get_average_mclk_freq(struct amdgpu_device *adev)
1917 {
1918 	u32 mclk_freq;
1919 	PPSMC_Result smc_result =
1920 		amdgpu_ci_send_msg_to_smc_return_parameter(adev,
1921 						    PPSMC_MSG_API_GetMclkFrequency,
1922 						    &mclk_freq);
1923 	if (smc_result != PPSMC_Result_OK)
1924 		mclk_freq = 0;
1925 
1926 	return mclk_freq;
1927 }
1928 
ci_dpm_start_smc(struct amdgpu_device * adev)1929 static void ci_dpm_start_smc(struct amdgpu_device *adev)
1930 {
1931 	int i;
1932 
1933 	amdgpu_ci_program_jump_on_start(adev);
1934 	amdgpu_ci_start_smc_clock(adev);
1935 	amdgpu_ci_start_smc(adev);
1936 	for (i = 0; i < adev->usec_timeout; i++) {
1937 		if (RREG32_SMC(ixFIRMWARE_FLAGS) & FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
1938 			break;
1939 	}
1940 }
1941 
ci_dpm_stop_smc(struct amdgpu_device * adev)1942 static void ci_dpm_stop_smc(struct amdgpu_device *adev)
1943 {
1944 	amdgpu_ci_reset_smc(adev);
1945 	amdgpu_ci_stop_smc_clock(adev);
1946 }
1947 
ci_process_firmware_header(struct amdgpu_device * adev)1948 static int ci_process_firmware_header(struct amdgpu_device *adev)
1949 {
1950 	struct ci_power_info *pi = ci_get_pi(adev);
1951 	u32 tmp;
1952 	int ret;
1953 
1954 	ret = amdgpu_ci_read_smc_sram_dword(adev,
1955 				     SMU7_FIRMWARE_HEADER_LOCATION +
1956 				     offsetof(SMU7_Firmware_Header, DpmTable),
1957 				     &tmp, pi->sram_end);
1958 	if (ret)
1959 		return ret;
1960 
1961 	pi->dpm_table_start = tmp;
1962 
1963 	ret = amdgpu_ci_read_smc_sram_dword(adev,
1964 				     SMU7_FIRMWARE_HEADER_LOCATION +
1965 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
1966 				     &tmp, pi->sram_end);
1967 	if (ret)
1968 		return ret;
1969 
1970 	pi->soft_regs_start = tmp;
1971 
1972 	ret = amdgpu_ci_read_smc_sram_dword(adev,
1973 				     SMU7_FIRMWARE_HEADER_LOCATION +
1974 				     offsetof(SMU7_Firmware_Header, mcRegisterTable),
1975 				     &tmp, pi->sram_end);
1976 	if (ret)
1977 		return ret;
1978 
1979 	pi->mc_reg_table_start = tmp;
1980 
1981 	ret = amdgpu_ci_read_smc_sram_dword(adev,
1982 				     SMU7_FIRMWARE_HEADER_LOCATION +
1983 				     offsetof(SMU7_Firmware_Header, FanTable),
1984 				     &tmp, pi->sram_end);
1985 	if (ret)
1986 		return ret;
1987 
1988 	pi->fan_table_start = tmp;
1989 
1990 	ret = amdgpu_ci_read_smc_sram_dword(adev,
1991 				     SMU7_FIRMWARE_HEADER_LOCATION +
1992 				     offsetof(SMU7_Firmware_Header, mcArbDramTimingTable),
1993 				     &tmp, pi->sram_end);
1994 	if (ret)
1995 		return ret;
1996 
1997 	pi->arb_table_start = tmp;
1998 
1999 	return 0;
2000 }
2001 
ci_read_clock_registers(struct amdgpu_device * adev)2002 static void ci_read_clock_registers(struct amdgpu_device *adev)
2003 {
2004 	struct ci_power_info *pi = ci_get_pi(adev);
2005 
2006 	pi->clock_registers.cg_spll_func_cntl =
2007 		RREG32_SMC(ixCG_SPLL_FUNC_CNTL);
2008 	pi->clock_registers.cg_spll_func_cntl_2 =
2009 		RREG32_SMC(ixCG_SPLL_FUNC_CNTL_2);
2010 	pi->clock_registers.cg_spll_func_cntl_3 =
2011 		RREG32_SMC(ixCG_SPLL_FUNC_CNTL_3);
2012 	pi->clock_registers.cg_spll_func_cntl_4 =
2013 		RREG32_SMC(ixCG_SPLL_FUNC_CNTL_4);
2014 	pi->clock_registers.cg_spll_spread_spectrum =
2015 		RREG32_SMC(ixCG_SPLL_SPREAD_SPECTRUM);
2016 	pi->clock_registers.cg_spll_spread_spectrum_2 =
2017 		RREG32_SMC(ixCG_SPLL_SPREAD_SPECTRUM_2);
2018 	pi->clock_registers.dll_cntl = RREG32(mmDLL_CNTL);
2019 	pi->clock_registers.mclk_pwrmgt_cntl = RREG32(mmMCLK_PWRMGT_CNTL);
2020 	pi->clock_registers.mpll_ad_func_cntl = RREG32(mmMPLL_AD_FUNC_CNTL);
2021 	pi->clock_registers.mpll_dq_func_cntl = RREG32(mmMPLL_DQ_FUNC_CNTL);
2022 	pi->clock_registers.mpll_func_cntl = RREG32(mmMPLL_FUNC_CNTL);
2023 	pi->clock_registers.mpll_func_cntl_1 = RREG32(mmMPLL_FUNC_CNTL_1);
2024 	pi->clock_registers.mpll_func_cntl_2 = RREG32(mmMPLL_FUNC_CNTL_2);
2025 	pi->clock_registers.mpll_ss1 = RREG32(mmMPLL_SS1);
2026 	pi->clock_registers.mpll_ss2 = RREG32(mmMPLL_SS2);
2027 }
2028 
ci_init_sclk_t(struct amdgpu_device * adev)2029 static void ci_init_sclk_t(struct amdgpu_device *adev)
2030 {
2031 	struct ci_power_info *pi = ci_get_pi(adev);
2032 
2033 	pi->low_sclk_interrupt_t = 0;
2034 }
2035 
ci_enable_thermal_protection(struct amdgpu_device * adev,bool enable)2036 static void ci_enable_thermal_protection(struct amdgpu_device *adev,
2037 					 bool enable)
2038 {
2039 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
2040 
2041 	if (enable)
2042 		tmp &= ~GENERAL_PWRMGT__THERMAL_PROTECTION_DIS_MASK;
2043 	else
2044 		tmp |= GENERAL_PWRMGT__THERMAL_PROTECTION_DIS_MASK;
2045 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
2046 }
2047 
ci_enable_acpi_power_management(struct amdgpu_device * adev)2048 static void ci_enable_acpi_power_management(struct amdgpu_device *adev)
2049 {
2050 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
2051 
2052 	tmp |= GENERAL_PWRMGT__STATIC_PM_EN_MASK;
2053 
2054 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
2055 }
2056 
2057 #if 0
2058 static int ci_enter_ulp_state(struct amdgpu_device *adev)
2059 {
2060 
2061 	WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_SwitchToMinimumPower);
2062 
2063 	udelay(25000);
2064 
2065 	return 0;
2066 }
2067 
2068 static int ci_exit_ulp_state(struct amdgpu_device *adev)
2069 {
2070 	int i;
2071 
2072 	WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_ResumeFromMinimumPower);
2073 
2074 	udelay(7000);
2075 
2076 	for (i = 0; i < adev->usec_timeout; i++) {
2077 		if (RREG32(mmSMC_RESP_0) == 1)
2078 			break;
2079 		udelay(1000);
2080 	}
2081 
2082 	return 0;
2083 }
2084 #endif
2085 
ci_notify_smc_display_change(struct amdgpu_device * adev,bool has_display)2086 static int ci_notify_smc_display_change(struct amdgpu_device *adev,
2087 					bool has_display)
2088 {
2089 	PPSMC_Msg msg = has_display ? PPSMC_MSG_HasDisplay : PPSMC_MSG_NoDisplay;
2090 
2091 	return (amdgpu_ci_send_msg_to_smc(adev, msg) == PPSMC_Result_OK) ?  0 : -EINVAL;
2092 }
2093 
ci_enable_ds_master_switch(struct amdgpu_device * adev,bool enable)2094 static int ci_enable_ds_master_switch(struct amdgpu_device *adev,
2095 				      bool enable)
2096 {
2097 	struct ci_power_info *pi = ci_get_pi(adev);
2098 
2099 	if (enable) {
2100 		if (pi->caps_sclk_ds) {
2101 			if (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MASTER_DeepSleep_ON) != PPSMC_Result_OK)
2102 				return -EINVAL;
2103 		} else {
2104 			if (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK)
2105 				return -EINVAL;
2106 		}
2107 	} else {
2108 		if (pi->caps_sclk_ds) {
2109 			if (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK)
2110 				return -EINVAL;
2111 		}
2112 	}
2113 
2114 	return 0;
2115 }
2116 
ci_program_display_gap(struct amdgpu_device * adev)2117 static void ci_program_display_gap(struct amdgpu_device *adev)
2118 {
2119 	u32 tmp = RREG32_SMC(ixCG_DISPLAY_GAP_CNTL);
2120 	u32 pre_vbi_time_in_us;
2121 	u32 frame_time_in_us;
2122 	u32 ref_clock = adev->clock.spll.reference_freq;
2123 	u32 refresh_rate = amdgpu_dpm_get_vrefresh(adev);
2124 	u32 vblank_time = amdgpu_dpm_get_vblank_time(adev);
2125 
2126 	tmp &= ~CG_DISPLAY_GAP_CNTL__DISP_GAP_MASK;
2127 	if (adev->pm.dpm.new_active_crtc_count > 0)
2128 		tmp |= (AMDGPU_PM_DISPLAY_GAP_VBLANK_OR_WM << CG_DISPLAY_GAP_CNTL__DISP_GAP__SHIFT);
2129 	else
2130 		tmp |= (AMDGPU_PM_DISPLAY_GAP_IGNORE << CG_DISPLAY_GAP_CNTL__DISP_GAP__SHIFT);
2131 	WREG32_SMC(ixCG_DISPLAY_GAP_CNTL, tmp);
2132 
2133 	if (refresh_rate == 0)
2134 		refresh_rate = 60;
2135 	if (vblank_time == 0xffffffff)
2136 		vblank_time = 500;
2137 	frame_time_in_us = 1000000 / refresh_rate;
2138 	pre_vbi_time_in_us =
2139 		frame_time_in_us - 200 - vblank_time;
2140 	tmp = pre_vbi_time_in_us * (ref_clock / 100);
2141 
2142 	WREG32_SMC(ixCG_DISPLAY_GAP_CNTL2, tmp);
2143 	ci_write_smc_soft_register(adev, offsetof(SMU7_SoftRegisters, PreVBlankGap), 0x64);
2144 	ci_write_smc_soft_register(adev, offsetof(SMU7_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us));
2145 
2146 
2147 	ci_notify_smc_display_change(adev, (adev->pm.dpm.new_active_crtc_count == 1));
2148 
2149 }
2150 
ci_enable_spread_spectrum(struct amdgpu_device * adev,bool enable)2151 static void ci_enable_spread_spectrum(struct amdgpu_device *adev, bool enable)
2152 {
2153 	struct ci_power_info *pi = ci_get_pi(adev);
2154 	u32 tmp;
2155 
2156 	if (enable) {
2157 		if (pi->caps_sclk_ss_support) {
2158 			tmp = RREG32_SMC(ixGENERAL_PWRMGT);
2159 			tmp |= GENERAL_PWRMGT__DYN_SPREAD_SPECTRUM_EN_MASK;
2160 			WREG32_SMC(ixGENERAL_PWRMGT, tmp);
2161 		}
2162 	} else {
2163 		tmp = RREG32_SMC(ixCG_SPLL_SPREAD_SPECTRUM);
2164 		tmp &= ~CG_SPLL_SPREAD_SPECTRUM__SSEN_MASK;
2165 		WREG32_SMC(ixCG_SPLL_SPREAD_SPECTRUM, tmp);
2166 
2167 		tmp = RREG32_SMC(ixGENERAL_PWRMGT);
2168 		tmp &= ~GENERAL_PWRMGT__DYN_SPREAD_SPECTRUM_EN_MASK;
2169 		WREG32_SMC(ixGENERAL_PWRMGT, tmp);
2170 	}
2171 }
2172 
ci_program_sstp(struct amdgpu_device * adev)2173 static void ci_program_sstp(struct amdgpu_device *adev)
2174 {
2175 	WREG32_SMC(ixCG_STATIC_SCREEN_PARAMETER,
2176 	((CISLANDS_SSTU_DFLT << CG_STATIC_SCREEN_PARAMETER__STATIC_SCREEN_THRESHOLD_UNIT__SHIFT) |
2177 	 (CISLANDS_SST_DFLT << CG_STATIC_SCREEN_PARAMETER__STATIC_SCREEN_THRESHOLD__SHIFT)));
2178 }
2179 
ci_enable_display_gap(struct amdgpu_device * adev)2180 static void ci_enable_display_gap(struct amdgpu_device *adev)
2181 {
2182 	u32 tmp = RREG32_SMC(ixCG_DISPLAY_GAP_CNTL);
2183 
2184 	tmp &= ~(CG_DISPLAY_GAP_CNTL__DISP_GAP_MASK |
2185 			CG_DISPLAY_GAP_CNTL__DISP_GAP_MCHG_MASK);
2186 	tmp |= ((AMDGPU_PM_DISPLAY_GAP_IGNORE << CG_DISPLAY_GAP_CNTL__DISP_GAP__SHIFT) |
2187 		(AMDGPU_PM_DISPLAY_GAP_VBLANK << CG_DISPLAY_GAP_CNTL__DISP_GAP_MCHG__SHIFT));
2188 
2189 	WREG32_SMC(ixCG_DISPLAY_GAP_CNTL, tmp);
2190 }
2191 
ci_program_vc(struct amdgpu_device * adev)2192 static void ci_program_vc(struct amdgpu_device *adev)
2193 {
2194 	u32 tmp;
2195 
2196 	tmp = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
2197 	tmp &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK | SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
2198 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, tmp);
2199 
2200 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, CISLANDS_VRC_DFLT0);
2201 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_1, CISLANDS_VRC_DFLT1);
2202 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_2, CISLANDS_VRC_DFLT2);
2203 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_3, CISLANDS_VRC_DFLT3);
2204 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_4, CISLANDS_VRC_DFLT4);
2205 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_5, CISLANDS_VRC_DFLT5);
2206 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_6, CISLANDS_VRC_DFLT6);
2207 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_7, CISLANDS_VRC_DFLT7);
2208 }
2209 
ci_clear_vc(struct amdgpu_device * adev)2210 static void ci_clear_vc(struct amdgpu_device *adev)
2211 {
2212 	u32 tmp;
2213 
2214 	tmp = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
2215 	tmp |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK | SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
2216 	WREG32_SMC(ixSCLK_PWRMGT_CNTL, tmp);
2217 
2218 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
2219 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_1, 0);
2220 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_2, 0);
2221 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_3, 0);
2222 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_4, 0);
2223 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_5, 0);
2224 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_6, 0);
2225 	WREG32_SMC(ixCG_FREQ_TRAN_VOTING_7, 0);
2226 }
2227 
ci_upload_firmware(struct amdgpu_device * adev)2228 static int ci_upload_firmware(struct amdgpu_device *adev)
2229 {
2230 	int i, ret;
2231 
2232 	if (amdgpu_ci_is_smc_running(adev)) {
2233 		DRM_INFO("smc is running, no need to load smc firmware\n");
2234 		return 0;
2235 	}
2236 
2237 	for (i = 0; i < adev->usec_timeout; i++) {
2238 		if (RREG32_SMC(ixRCU_UC_EVENTS) & RCU_UC_EVENTS__boot_seq_done_MASK)
2239 			break;
2240 	}
2241 	WREG32_SMC(ixSMC_SYSCON_MISC_CNTL, 1);
2242 
2243 	amdgpu_ci_stop_smc_clock(adev);
2244 	amdgpu_ci_reset_smc(adev);
2245 
2246 	ret = amdgpu_ci_load_smc_ucode(adev, SMC_RAM_END);
2247 
2248 	return ret;
2249 
2250 }
2251 
ci_get_svi2_voltage_table(struct amdgpu_device * adev,struct amdgpu_clock_voltage_dependency_table * voltage_dependency_table,struct atom_voltage_table * voltage_table)2252 static int ci_get_svi2_voltage_table(struct amdgpu_device *adev,
2253 				     struct amdgpu_clock_voltage_dependency_table *voltage_dependency_table,
2254 				     struct atom_voltage_table *voltage_table)
2255 {
2256 	u32 i;
2257 
2258 	if (voltage_dependency_table == NULL)
2259 		return -EINVAL;
2260 
2261 	voltage_table->mask_low = 0;
2262 	voltage_table->phase_delay = 0;
2263 
2264 	voltage_table->count = voltage_dependency_table->count;
2265 	for (i = 0; i < voltage_table->count; i++) {
2266 		voltage_table->entries[i].value = voltage_dependency_table->entries[i].v;
2267 		voltage_table->entries[i].smio_low = 0;
2268 	}
2269 
2270 	return 0;
2271 }
2272 
ci_construct_voltage_tables(struct amdgpu_device * adev)2273 static int ci_construct_voltage_tables(struct amdgpu_device *adev)
2274 {
2275 	struct ci_power_info *pi = ci_get_pi(adev);
2276 	int ret;
2277 
2278 	if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2279 		ret = amdgpu_atombios_get_voltage_table(adev, VOLTAGE_TYPE_VDDC,
2280 							VOLTAGE_OBJ_GPIO_LUT,
2281 							&pi->vddc_voltage_table);
2282 		if (ret)
2283 			return ret;
2284 	} else if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2285 		ret = ci_get_svi2_voltage_table(adev,
2286 						&adev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2287 						&pi->vddc_voltage_table);
2288 		if (ret)
2289 			return ret;
2290 	}
2291 
2292 	if (pi->vddc_voltage_table.count > SMU7_MAX_LEVELS_VDDC)
2293 		ci_trim_voltage_table_to_fit_state_table(adev, SMU7_MAX_LEVELS_VDDC,
2294 							 &pi->vddc_voltage_table);
2295 
2296 	if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2297 		ret = amdgpu_atombios_get_voltage_table(adev, VOLTAGE_TYPE_VDDCI,
2298 							VOLTAGE_OBJ_GPIO_LUT,
2299 							&pi->vddci_voltage_table);
2300 		if (ret)
2301 			return ret;
2302 	} else if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2303 		ret = ci_get_svi2_voltage_table(adev,
2304 						&adev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2305 						&pi->vddci_voltage_table);
2306 		if (ret)
2307 			return ret;
2308 	}
2309 
2310 	if (pi->vddci_voltage_table.count > SMU7_MAX_LEVELS_VDDCI)
2311 		ci_trim_voltage_table_to_fit_state_table(adev, SMU7_MAX_LEVELS_VDDCI,
2312 							 &pi->vddci_voltage_table);
2313 
2314 	if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2315 		ret = amdgpu_atombios_get_voltage_table(adev, VOLTAGE_TYPE_MVDDC,
2316 							VOLTAGE_OBJ_GPIO_LUT,
2317 							&pi->mvdd_voltage_table);
2318 		if (ret)
2319 			return ret;
2320 	} else if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2321 		ret = ci_get_svi2_voltage_table(adev,
2322 						&adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
2323 						&pi->mvdd_voltage_table);
2324 		if (ret)
2325 			return ret;
2326 	}
2327 
2328 	if (pi->mvdd_voltage_table.count > SMU7_MAX_LEVELS_MVDD)
2329 		ci_trim_voltage_table_to_fit_state_table(adev, SMU7_MAX_LEVELS_MVDD,
2330 							 &pi->mvdd_voltage_table);
2331 
2332 	return 0;
2333 }
2334 
ci_populate_smc_voltage_table(struct amdgpu_device * adev,struct atom_voltage_table_entry * voltage_table,SMU7_Discrete_VoltageLevel * smc_voltage_table)2335 static void ci_populate_smc_voltage_table(struct amdgpu_device *adev,
2336 					  struct atom_voltage_table_entry *voltage_table,
2337 					  SMU7_Discrete_VoltageLevel *smc_voltage_table)
2338 {
2339 	int ret;
2340 
2341 	ret = ci_get_std_voltage_value_sidd(adev, voltage_table,
2342 					    &smc_voltage_table->StdVoltageHiSidd,
2343 					    &smc_voltage_table->StdVoltageLoSidd);
2344 
2345 	if (ret) {
2346 		smc_voltage_table->StdVoltageHiSidd = voltage_table->value * VOLTAGE_SCALE;
2347 		smc_voltage_table->StdVoltageLoSidd = voltage_table->value * VOLTAGE_SCALE;
2348 	}
2349 
2350 	smc_voltage_table->Voltage = cpu_to_be16(voltage_table->value * VOLTAGE_SCALE);
2351 	smc_voltage_table->StdVoltageHiSidd =
2352 		cpu_to_be16(smc_voltage_table->StdVoltageHiSidd);
2353 	smc_voltage_table->StdVoltageLoSidd =
2354 		cpu_to_be16(smc_voltage_table->StdVoltageLoSidd);
2355 }
2356 
ci_populate_smc_vddc_table(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2357 static int ci_populate_smc_vddc_table(struct amdgpu_device *adev,
2358 				      SMU7_Discrete_DpmTable *table)
2359 {
2360 	struct ci_power_info *pi = ci_get_pi(adev);
2361 	unsigned int count;
2362 
2363 	table->VddcLevelCount = pi->vddc_voltage_table.count;
2364 	for (count = 0; count < table->VddcLevelCount; count++) {
2365 		ci_populate_smc_voltage_table(adev,
2366 					      &pi->vddc_voltage_table.entries[count],
2367 					      &table->VddcLevel[count]);
2368 
2369 		if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2370 			table->VddcLevel[count].Smio |=
2371 				pi->vddc_voltage_table.entries[count].smio_low;
2372 		else
2373 			table->VddcLevel[count].Smio = 0;
2374 	}
2375 	table->VddcLevelCount = cpu_to_be32(table->VddcLevelCount);
2376 
2377 	return 0;
2378 }
2379 
ci_populate_smc_vddci_table(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2380 static int ci_populate_smc_vddci_table(struct amdgpu_device *adev,
2381 				       SMU7_Discrete_DpmTable *table)
2382 {
2383 	unsigned int count;
2384 	struct ci_power_info *pi = ci_get_pi(adev);
2385 
2386 	table->VddciLevelCount = pi->vddci_voltage_table.count;
2387 	for (count = 0; count < table->VddciLevelCount; count++) {
2388 		ci_populate_smc_voltage_table(adev,
2389 					      &pi->vddci_voltage_table.entries[count],
2390 					      &table->VddciLevel[count]);
2391 
2392 		if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2393 			table->VddciLevel[count].Smio |=
2394 				pi->vddci_voltage_table.entries[count].smio_low;
2395 		else
2396 			table->VddciLevel[count].Smio = 0;
2397 	}
2398 	table->VddciLevelCount = cpu_to_be32(table->VddciLevelCount);
2399 
2400 	return 0;
2401 }
2402 
ci_populate_smc_mvdd_table(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2403 static int ci_populate_smc_mvdd_table(struct amdgpu_device *adev,
2404 				      SMU7_Discrete_DpmTable *table)
2405 {
2406 	struct ci_power_info *pi = ci_get_pi(adev);
2407 	unsigned int count;
2408 
2409 	table->MvddLevelCount = pi->mvdd_voltage_table.count;
2410 	for (count = 0; count < table->MvddLevelCount; count++) {
2411 		ci_populate_smc_voltage_table(adev,
2412 					      &pi->mvdd_voltage_table.entries[count],
2413 					      &table->MvddLevel[count]);
2414 
2415 		if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2416 			table->MvddLevel[count].Smio |=
2417 				pi->mvdd_voltage_table.entries[count].smio_low;
2418 		else
2419 			table->MvddLevel[count].Smio = 0;
2420 	}
2421 	table->MvddLevelCount = cpu_to_be32(table->MvddLevelCount);
2422 
2423 	return 0;
2424 }
2425 
ci_populate_smc_voltage_tables(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2426 static int ci_populate_smc_voltage_tables(struct amdgpu_device *adev,
2427 					  SMU7_Discrete_DpmTable *table)
2428 {
2429 	int ret;
2430 
2431 	ret = ci_populate_smc_vddc_table(adev, table);
2432 	if (ret)
2433 		return ret;
2434 
2435 	ret = ci_populate_smc_vddci_table(adev, table);
2436 	if (ret)
2437 		return ret;
2438 
2439 	ret = ci_populate_smc_mvdd_table(adev, table);
2440 	if (ret)
2441 		return ret;
2442 
2443 	return 0;
2444 }
2445 
ci_populate_mvdd_value(struct amdgpu_device * adev,u32 mclk,SMU7_Discrete_VoltageLevel * voltage)2446 static int ci_populate_mvdd_value(struct amdgpu_device *adev, u32 mclk,
2447 				  SMU7_Discrete_VoltageLevel *voltage)
2448 {
2449 	struct ci_power_info *pi = ci_get_pi(adev);
2450 	u32 i = 0;
2451 
2452 	if (pi->mvdd_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
2453 		for (i = 0; i < adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count; i++) {
2454 			if (mclk <= adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries[i].clk) {
2455 				voltage->Voltage = pi->mvdd_voltage_table.entries[i].value;
2456 				break;
2457 			}
2458 		}
2459 
2460 		if (i >= adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count)
2461 			return -EINVAL;
2462 	}
2463 
2464 	return -EINVAL;
2465 }
2466 
ci_get_std_voltage_value_sidd(struct amdgpu_device * adev,struct atom_voltage_table_entry * voltage_table,u16 * std_voltage_hi_sidd,u16 * std_voltage_lo_sidd)2467 static int ci_get_std_voltage_value_sidd(struct amdgpu_device *adev,
2468 					 struct atom_voltage_table_entry *voltage_table,
2469 					 u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd)
2470 {
2471 	u16 v_index, idx;
2472 	bool voltage_found = false;
2473 	*std_voltage_hi_sidd = voltage_table->value * VOLTAGE_SCALE;
2474 	*std_voltage_lo_sidd = voltage_table->value * VOLTAGE_SCALE;
2475 
2476 	if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries == NULL)
2477 		return -EINVAL;
2478 
2479 	if (adev->pm.dpm.dyn_state.cac_leakage_table.entries) {
2480 		for (v_index = 0; (u32)v_index < adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) {
2481 			if (voltage_table->value ==
2482 			    adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) {
2483 				voltage_found = true;
2484 				if ((u32)v_index < adev->pm.dpm.dyn_state.cac_leakage_table.count)
2485 					idx = v_index;
2486 				else
2487 					idx = adev->pm.dpm.dyn_state.cac_leakage_table.count - 1;
2488 				*std_voltage_lo_sidd =
2489 					adev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE;
2490 				*std_voltage_hi_sidd =
2491 					adev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE;
2492 				break;
2493 			}
2494 		}
2495 
2496 		if (!voltage_found) {
2497 			for (v_index = 0; (u32)v_index < adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) {
2498 				if (voltage_table->value <=
2499 				    adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) {
2500 					voltage_found = true;
2501 					if ((u32)v_index < adev->pm.dpm.dyn_state.cac_leakage_table.count)
2502 						idx = v_index;
2503 					else
2504 						idx = adev->pm.dpm.dyn_state.cac_leakage_table.count - 1;
2505 					*std_voltage_lo_sidd =
2506 						adev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE;
2507 					*std_voltage_hi_sidd =
2508 						adev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE;
2509 					break;
2510 				}
2511 			}
2512 		}
2513 	}
2514 
2515 	return 0;
2516 }
2517 
ci_populate_phase_value_based_on_sclk(struct amdgpu_device * adev,const struct amdgpu_phase_shedding_limits_table * limits,u32 sclk,u32 * phase_shedding)2518 static void ci_populate_phase_value_based_on_sclk(struct amdgpu_device *adev,
2519 						  const struct amdgpu_phase_shedding_limits_table *limits,
2520 						  u32 sclk,
2521 						  u32 *phase_shedding)
2522 {
2523 	unsigned int i;
2524 
2525 	*phase_shedding = 1;
2526 
2527 	for (i = 0; i < limits->count; i++) {
2528 		if (sclk < limits->entries[i].sclk) {
2529 			*phase_shedding = i;
2530 			break;
2531 		}
2532 	}
2533 }
2534 
ci_populate_phase_value_based_on_mclk(struct amdgpu_device * adev,const struct amdgpu_phase_shedding_limits_table * limits,u32 mclk,u32 * phase_shedding)2535 static void ci_populate_phase_value_based_on_mclk(struct amdgpu_device *adev,
2536 						  const struct amdgpu_phase_shedding_limits_table *limits,
2537 						  u32 mclk,
2538 						  u32 *phase_shedding)
2539 {
2540 	unsigned int i;
2541 
2542 	*phase_shedding = 1;
2543 
2544 	for (i = 0; i < limits->count; i++) {
2545 		if (mclk < limits->entries[i].mclk) {
2546 			*phase_shedding = i;
2547 			break;
2548 		}
2549 	}
2550 }
2551 
ci_init_arb_table_index(struct amdgpu_device * adev)2552 static int ci_init_arb_table_index(struct amdgpu_device *adev)
2553 {
2554 	struct ci_power_info *pi = ci_get_pi(adev);
2555 	u32 tmp;
2556 	int ret;
2557 
2558 	ret = amdgpu_ci_read_smc_sram_dword(adev, pi->arb_table_start,
2559 				     &tmp, pi->sram_end);
2560 	if (ret)
2561 		return ret;
2562 
2563 	tmp &= 0x00FFFFFF;
2564 	tmp |= MC_CG_ARB_FREQ_F1 << 24;
2565 
2566 	return amdgpu_ci_write_smc_sram_dword(adev, pi->arb_table_start,
2567 				       tmp, pi->sram_end);
2568 }
2569 
ci_get_dependency_volt_by_clk(struct amdgpu_device * adev,struct amdgpu_clock_voltage_dependency_table * allowed_clock_voltage_table,u32 clock,u32 * voltage)2570 static int ci_get_dependency_volt_by_clk(struct amdgpu_device *adev,
2571 					 struct amdgpu_clock_voltage_dependency_table *allowed_clock_voltage_table,
2572 					 u32 clock, u32 *voltage)
2573 {
2574 	u32 i = 0;
2575 
2576 	if (allowed_clock_voltage_table->count == 0)
2577 		return -EINVAL;
2578 
2579 	for (i = 0; i < allowed_clock_voltage_table->count; i++) {
2580 		if (allowed_clock_voltage_table->entries[i].clk >= clock) {
2581 			*voltage = allowed_clock_voltage_table->entries[i].v;
2582 			return 0;
2583 		}
2584 	}
2585 
2586 	*voltage = allowed_clock_voltage_table->entries[i-1].v;
2587 
2588 	return 0;
2589 }
2590 
ci_get_sleep_divider_id_from_clock(u32 sclk,u32 min_sclk_in_sr)2591 static u8 ci_get_sleep_divider_id_from_clock(u32 sclk, u32 min_sclk_in_sr)
2592 {
2593 	u32 i;
2594 	u32 tmp;
2595 	u32 min = max(min_sclk_in_sr, (u32)CISLAND_MINIMUM_ENGINE_CLOCK);
2596 
2597 	if (sclk < min)
2598 		return 0;
2599 
2600 	for (i = CISLAND_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
2601 		tmp = sclk >> i;
2602 		if (tmp >= min || i == 0)
2603 			break;
2604 	}
2605 
2606 	return (u8)i;
2607 }
2608 
ci_initial_switch_from_arb_f0_to_f1(struct amdgpu_device * adev)2609 static int ci_initial_switch_from_arb_f0_to_f1(struct amdgpu_device *adev)
2610 {
2611 	return ci_copy_and_switch_arb_sets(adev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
2612 }
2613 
ci_reset_to_default(struct amdgpu_device * adev)2614 static int ci_reset_to_default(struct amdgpu_device *adev)
2615 {
2616 	return (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_ResetToDefaults) == PPSMC_Result_OK) ?
2617 		0 : -EINVAL;
2618 }
2619 
ci_force_switch_to_arb_f0(struct amdgpu_device * adev)2620 static int ci_force_switch_to_arb_f0(struct amdgpu_device *adev)
2621 {
2622 	u32 tmp;
2623 
2624 	tmp = (RREG32_SMC(ixSMC_SCRATCH9) & 0x0000ff00) >> 8;
2625 
2626 	if (tmp == MC_CG_ARB_FREQ_F0)
2627 		return 0;
2628 
2629 	return ci_copy_and_switch_arb_sets(adev, tmp, MC_CG_ARB_FREQ_F0);
2630 }
2631 
ci_register_patching_mc_arb(struct amdgpu_device * adev,const u32 engine_clock,const u32 memory_clock,u32 * dram_timimg2)2632 static void ci_register_patching_mc_arb(struct amdgpu_device *adev,
2633 					const u32 engine_clock,
2634 					const u32 memory_clock,
2635 					u32 *dram_timimg2)
2636 {
2637 	bool patch;
2638 	u32 tmp, tmp2;
2639 
2640 	tmp = RREG32(mmMC_SEQ_MISC0);
2641 	patch = ((tmp & 0x0000f00) == 0x300) ? true : false;
2642 
2643 	if (patch &&
2644 	    ((adev->pdev->device == 0x67B0) ||
2645 	     (adev->pdev->device == 0x67B1))) {
2646 		if ((memory_clock > 100000) && (memory_clock <= 125000)) {
2647 			tmp2 = (((0x31 * engine_clock) / 125000) - 1) & 0xff;
2648 			*dram_timimg2 &= ~0x00ff0000;
2649 			*dram_timimg2 |= tmp2 << 16;
2650 		} else if ((memory_clock > 125000) && (memory_clock <= 137500)) {
2651 			tmp2 = (((0x36 * engine_clock) / 137500) - 1) & 0xff;
2652 			*dram_timimg2 &= ~0x00ff0000;
2653 			*dram_timimg2 |= tmp2 << 16;
2654 		}
2655 	}
2656 }
2657 
ci_populate_memory_timing_parameters(struct amdgpu_device * adev,u32 sclk,u32 mclk,SMU7_Discrete_MCArbDramTimingTableEntry * arb_regs)2658 static int ci_populate_memory_timing_parameters(struct amdgpu_device *adev,
2659 						u32 sclk,
2660 						u32 mclk,
2661 						SMU7_Discrete_MCArbDramTimingTableEntry *arb_regs)
2662 {
2663 	u32 dram_timing;
2664 	u32 dram_timing2;
2665 	u32 burst_time;
2666 
2667 	amdgpu_atombios_set_engine_dram_timings(adev, sclk, mclk);
2668 
2669 	dram_timing  = RREG32(mmMC_ARB_DRAM_TIMING);
2670 	dram_timing2 = RREG32(mmMC_ARB_DRAM_TIMING2);
2671 	burst_time = RREG32(mmMC_ARB_BURST_TIME) & MC_ARB_BURST_TIME__STATE0_MASK;
2672 
2673 	ci_register_patching_mc_arb(adev, sclk, mclk, &dram_timing2);
2674 
2675 	arb_regs->McArbDramTiming  = cpu_to_be32(dram_timing);
2676 	arb_regs->McArbDramTiming2 = cpu_to_be32(dram_timing2);
2677 	arb_regs->McArbBurstTime = (u8)burst_time;
2678 
2679 	return 0;
2680 }
2681 
ci_do_program_memory_timing_parameters(struct amdgpu_device * adev)2682 static int ci_do_program_memory_timing_parameters(struct amdgpu_device *adev)
2683 {
2684 	struct ci_power_info *pi = ci_get_pi(adev);
2685 	SMU7_Discrete_MCArbDramTimingTable arb_regs;
2686 	u32 i, j;
2687 	int ret =  0;
2688 
2689 	memset(&arb_regs, 0, sizeof(SMU7_Discrete_MCArbDramTimingTable));
2690 
2691 	for (i = 0; i < pi->dpm_table.sclk_table.count; i++) {
2692 		for (j = 0; j < pi->dpm_table.mclk_table.count; j++) {
2693 			ret = ci_populate_memory_timing_parameters(adev,
2694 								   pi->dpm_table.sclk_table.dpm_levels[i].value,
2695 								   pi->dpm_table.mclk_table.dpm_levels[j].value,
2696 								   &arb_regs.entries[i][j]);
2697 			if (ret)
2698 				break;
2699 		}
2700 	}
2701 
2702 	if (ret == 0)
2703 		ret = amdgpu_ci_copy_bytes_to_smc(adev,
2704 					   pi->arb_table_start,
2705 					   (u8 *)&arb_regs,
2706 					   sizeof(SMU7_Discrete_MCArbDramTimingTable),
2707 					   pi->sram_end);
2708 
2709 	return ret;
2710 }
2711 
ci_program_memory_timing_parameters(struct amdgpu_device * adev)2712 static int ci_program_memory_timing_parameters(struct amdgpu_device *adev)
2713 {
2714 	struct ci_power_info *pi = ci_get_pi(adev);
2715 
2716 	if (pi->need_update_smu7_dpm_table == 0)
2717 		return 0;
2718 
2719 	return ci_do_program_memory_timing_parameters(adev);
2720 }
2721 
ci_populate_smc_initial_state(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_boot_state)2722 static void ci_populate_smc_initial_state(struct amdgpu_device *adev,
2723 					  struct amdgpu_ps *amdgpu_boot_state)
2724 {
2725 	struct ci_ps *boot_state = ci_get_ps(amdgpu_boot_state);
2726 	struct ci_power_info *pi = ci_get_pi(adev);
2727 	u32 level = 0;
2728 
2729 	for (level = 0; level < adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; level++) {
2730 		if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[level].clk >=
2731 		    boot_state->performance_levels[0].sclk) {
2732 			pi->smc_state_table.GraphicsBootLevel = level;
2733 			break;
2734 		}
2735 	}
2736 
2737 	for (level = 0; level < adev->pm.dpm.dyn_state.vddc_dependency_on_mclk.count; level++) {
2738 		if (adev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries[level].clk >=
2739 		    boot_state->performance_levels[0].mclk) {
2740 			pi->smc_state_table.MemoryBootLevel = level;
2741 			break;
2742 		}
2743 	}
2744 }
2745 
ci_get_dpm_level_enable_mask_value(struct ci_single_dpm_table * dpm_table)2746 static u32 ci_get_dpm_level_enable_mask_value(struct ci_single_dpm_table *dpm_table)
2747 {
2748 	u32 i;
2749 	u32 mask_value = 0;
2750 
2751 	for (i = dpm_table->count; i > 0; i--) {
2752 		mask_value = mask_value << 1;
2753 		if (dpm_table->dpm_levels[i-1].enabled)
2754 			mask_value |= 0x1;
2755 		else
2756 			mask_value &= 0xFFFFFFFE;
2757 	}
2758 
2759 	return mask_value;
2760 }
2761 
ci_populate_smc_link_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2762 static void ci_populate_smc_link_level(struct amdgpu_device *adev,
2763 				       SMU7_Discrete_DpmTable *table)
2764 {
2765 	struct ci_power_info *pi = ci_get_pi(adev);
2766 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
2767 	u32 i;
2768 
2769 	for (i = 0; i < dpm_table->pcie_speed_table.count; i++) {
2770 		table->LinkLevel[i].PcieGenSpeed =
2771 			(u8)dpm_table->pcie_speed_table.dpm_levels[i].value;
2772 		table->LinkLevel[i].PcieLaneCount =
2773 			amdgpu_encode_pci_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
2774 		table->LinkLevel[i].EnabledForActivity = 1;
2775 		table->LinkLevel[i].DownT = cpu_to_be32(5);
2776 		table->LinkLevel[i].UpT = cpu_to_be32(30);
2777 	}
2778 
2779 	pi->smc_state_table.LinkLevelCount = (u8)dpm_table->pcie_speed_table.count;
2780 	pi->dpm_level_enable_mask.pcie_dpm_enable_mask =
2781 		ci_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
2782 }
2783 
ci_populate_smc_uvd_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2784 static int ci_populate_smc_uvd_level(struct amdgpu_device *adev,
2785 				     SMU7_Discrete_DpmTable *table)
2786 {
2787 	u32 count;
2788 	struct atom_clock_dividers dividers;
2789 	int ret = -EINVAL;
2790 
2791 	table->UvdLevelCount =
2792 		adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count;
2793 
2794 	for (count = 0; count < table->UvdLevelCount; count++) {
2795 		table->UvdLevel[count].VclkFrequency =
2796 			adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].vclk;
2797 		table->UvdLevel[count].DclkFrequency =
2798 			adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].dclk;
2799 		table->UvdLevel[count].MinVddc =
2800 			adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2801 		table->UvdLevel[count].MinVddcPhases = 1;
2802 
2803 		ret = amdgpu_atombios_get_clock_dividers(adev,
2804 							 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2805 							 table->UvdLevel[count].VclkFrequency, false, &dividers);
2806 		if (ret)
2807 			return ret;
2808 
2809 		table->UvdLevel[count].VclkDivider = (u8)dividers.post_divider;
2810 
2811 		ret = amdgpu_atombios_get_clock_dividers(adev,
2812 							 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2813 							 table->UvdLevel[count].DclkFrequency, false, &dividers);
2814 		if (ret)
2815 			return ret;
2816 
2817 		table->UvdLevel[count].DclkDivider = (u8)dividers.post_divider;
2818 
2819 		table->UvdLevel[count].VclkFrequency = cpu_to_be32(table->UvdLevel[count].VclkFrequency);
2820 		table->UvdLevel[count].DclkFrequency = cpu_to_be32(table->UvdLevel[count].DclkFrequency);
2821 		table->UvdLevel[count].MinVddc = cpu_to_be16(table->UvdLevel[count].MinVddc);
2822 	}
2823 
2824 	return ret;
2825 }
2826 
ci_populate_smc_vce_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2827 static int ci_populate_smc_vce_level(struct amdgpu_device *adev,
2828 				     SMU7_Discrete_DpmTable *table)
2829 {
2830 	u32 count;
2831 	struct atom_clock_dividers dividers;
2832 	int ret = -EINVAL;
2833 
2834 	table->VceLevelCount =
2835 		adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count;
2836 
2837 	for (count = 0; count < table->VceLevelCount; count++) {
2838 		table->VceLevel[count].Frequency =
2839 			adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].evclk;
2840 		table->VceLevel[count].MinVoltage =
2841 			(u16)adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2842 		table->VceLevel[count].MinPhases = 1;
2843 
2844 		ret = amdgpu_atombios_get_clock_dividers(adev,
2845 							 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2846 							 table->VceLevel[count].Frequency, false, &dividers);
2847 		if (ret)
2848 			return ret;
2849 
2850 		table->VceLevel[count].Divider = (u8)dividers.post_divider;
2851 
2852 		table->VceLevel[count].Frequency = cpu_to_be32(table->VceLevel[count].Frequency);
2853 		table->VceLevel[count].MinVoltage = cpu_to_be16(table->VceLevel[count].MinVoltage);
2854 	}
2855 
2856 	return ret;
2857 
2858 }
2859 
ci_populate_smc_acp_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2860 static int ci_populate_smc_acp_level(struct amdgpu_device *adev,
2861 				     SMU7_Discrete_DpmTable *table)
2862 {
2863 	u32 count;
2864 	struct atom_clock_dividers dividers;
2865 	int ret = -EINVAL;
2866 
2867 	table->AcpLevelCount = (u8)
2868 		(adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count);
2869 
2870 	for (count = 0; count < table->AcpLevelCount; count++) {
2871 		table->AcpLevel[count].Frequency =
2872 			adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].clk;
2873 		table->AcpLevel[count].MinVoltage =
2874 			adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].v;
2875 		table->AcpLevel[count].MinPhases = 1;
2876 
2877 		ret = amdgpu_atombios_get_clock_dividers(adev,
2878 							 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2879 							 table->AcpLevel[count].Frequency, false, &dividers);
2880 		if (ret)
2881 			return ret;
2882 
2883 		table->AcpLevel[count].Divider = (u8)dividers.post_divider;
2884 
2885 		table->AcpLevel[count].Frequency = cpu_to_be32(table->AcpLevel[count].Frequency);
2886 		table->AcpLevel[count].MinVoltage = cpu_to_be16(table->AcpLevel[count].MinVoltage);
2887 	}
2888 
2889 	return ret;
2890 }
2891 
ci_populate_smc_samu_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)2892 static int ci_populate_smc_samu_level(struct amdgpu_device *adev,
2893 				      SMU7_Discrete_DpmTable *table)
2894 {
2895 	u32 count;
2896 	struct atom_clock_dividers dividers;
2897 	int ret = -EINVAL;
2898 
2899 	table->SamuLevelCount =
2900 		adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count;
2901 
2902 	for (count = 0; count < table->SamuLevelCount; count++) {
2903 		table->SamuLevel[count].Frequency =
2904 			adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].clk;
2905 		table->SamuLevel[count].MinVoltage =
2906 			adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2907 		table->SamuLevel[count].MinPhases = 1;
2908 
2909 		ret = amdgpu_atombios_get_clock_dividers(adev,
2910 							 COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2911 							 table->SamuLevel[count].Frequency, false, &dividers);
2912 		if (ret)
2913 			return ret;
2914 
2915 		table->SamuLevel[count].Divider = (u8)dividers.post_divider;
2916 
2917 		table->SamuLevel[count].Frequency = cpu_to_be32(table->SamuLevel[count].Frequency);
2918 		table->SamuLevel[count].MinVoltage = cpu_to_be16(table->SamuLevel[count].MinVoltage);
2919 	}
2920 
2921 	return ret;
2922 }
2923 
ci_calculate_mclk_params(struct amdgpu_device * adev,u32 memory_clock,SMU7_Discrete_MemoryLevel * mclk,bool strobe_mode,bool dll_state_on)2924 static int ci_calculate_mclk_params(struct amdgpu_device *adev,
2925 				    u32 memory_clock,
2926 				    SMU7_Discrete_MemoryLevel *mclk,
2927 				    bool strobe_mode,
2928 				    bool dll_state_on)
2929 {
2930 	struct ci_power_info *pi = ci_get_pi(adev);
2931 	u32  dll_cntl = pi->clock_registers.dll_cntl;
2932 	u32  mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl;
2933 	u32  mpll_ad_func_cntl = pi->clock_registers.mpll_ad_func_cntl;
2934 	u32  mpll_dq_func_cntl = pi->clock_registers.mpll_dq_func_cntl;
2935 	u32  mpll_func_cntl = pi->clock_registers.mpll_func_cntl;
2936 	u32  mpll_func_cntl_1 = pi->clock_registers.mpll_func_cntl_1;
2937 	u32  mpll_func_cntl_2 = pi->clock_registers.mpll_func_cntl_2;
2938 	u32  mpll_ss1 = pi->clock_registers.mpll_ss1;
2939 	u32  mpll_ss2 = pi->clock_registers.mpll_ss2;
2940 	struct atom_mpll_param mpll_param;
2941 	int ret;
2942 
2943 	ret = amdgpu_atombios_get_memory_pll_dividers(adev, memory_clock, strobe_mode, &mpll_param);
2944 	if (ret)
2945 		return ret;
2946 
2947 	mpll_func_cntl &= ~MPLL_FUNC_CNTL__BWCTRL_MASK;
2948 	mpll_func_cntl |= (mpll_param.bwcntl << MPLL_FUNC_CNTL__BWCTRL__SHIFT);
2949 
2950 	mpll_func_cntl_1 &= ~(MPLL_FUNC_CNTL_1__CLKF_MASK | MPLL_FUNC_CNTL_1__CLKFRAC_MASK |
2951 			MPLL_FUNC_CNTL_1__VCO_MODE_MASK);
2952 	mpll_func_cntl_1 |= (mpll_param.clkf) << MPLL_FUNC_CNTL_1__CLKF__SHIFT |
2953 		(mpll_param.clkfrac << MPLL_FUNC_CNTL_1__CLKFRAC__SHIFT) |
2954 		(mpll_param.vco_mode << MPLL_FUNC_CNTL_1__VCO_MODE__SHIFT);
2955 
2956 	mpll_ad_func_cntl &= ~MPLL_AD_FUNC_CNTL__YCLK_POST_DIV_MASK;
2957 	mpll_ad_func_cntl |= (mpll_param.post_div << MPLL_AD_FUNC_CNTL__YCLK_POST_DIV__SHIFT);
2958 
2959 	if (adev->gmc.vram_type == AMDGPU_VRAM_TYPE_GDDR5) {
2960 		mpll_dq_func_cntl &= ~(MPLL_DQ_FUNC_CNTL__YCLK_SEL_MASK |
2961 				MPLL_AD_FUNC_CNTL__YCLK_POST_DIV_MASK);
2962 		mpll_dq_func_cntl |= (mpll_param.yclk_sel << MPLL_DQ_FUNC_CNTL__YCLK_SEL__SHIFT) |
2963 				(mpll_param.post_div << MPLL_AD_FUNC_CNTL__YCLK_POST_DIV__SHIFT);
2964 	}
2965 
2966 	if (pi->caps_mclk_ss_support) {
2967 		struct amdgpu_atom_ss ss;
2968 		u32 freq_nom;
2969 		u32 tmp;
2970 		u32 reference_clock = adev->clock.mpll.reference_freq;
2971 
2972 		if (mpll_param.qdr == 1)
2973 			freq_nom = memory_clock * 4 * (1 << mpll_param.post_div);
2974 		else
2975 			freq_nom = memory_clock * 2 * (1 << mpll_param.post_div);
2976 
2977 		tmp = (freq_nom / reference_clock);
2978 		tmp = tmp * tmp;
2979 		if (amdgpu_atombios_get_asic_ss_info(adev, &ss,
2980 						     ASIC_INTERNAL_MEMORY_SS, freq_nom)) {
2981 			u32 clks = reference_clock * 5 / ss.rate;
2982 			u32 clkv = (u32)((((131 * ss.percentage * ss.rate) / 100) * tmp) / freq_nom);
2983 
2984 			mpll_ss1 &= ~MPLL_SS1__CLKV_MASK;
2985 			mpll_ss1 |= (clkv << MPLL_SS1__CLKV__SHIFT);
2986 
2987 			mpll_ss2 &= ~MPLL_SS2__CLKS_MASK;
2988 			mpll_ss2 |= (clks << MPLL_SS2__CLKS__SHIFT);
2989 		}
2990 	}
2991 
2992 	mclk_pwrmgt_cntl &= ~MCLK_PWRMGT_CNTL__DLL_SPEED_MASK;
2993 	mclk_pwrmgt_cntl |= (mpll_param.dll_speed << MCLK_PWRMGT_CNTL__DLL_SPEED__SHIFT);
2994 
2995 	if (dll_state_on)
2996 		mclk_pwrmgt_cntl |= MCLK_PWRMGT_CNTL__MRDCK0_PDNB_MASK |
2997 			MCLK_PWRMGT_CNTL__MRDCK1_PDNB_MASK;
2998 	else
2999 		mclk_pwrmgt_cntl &= ~(MCLK_PWRMGT_CNTL__MRDCK0_PDNB_MASK |
3000 			MCLK_PWRMGT_CNTL__MRDCK1_PDNB_MASK);
3001 
3002 	mclk->MclkFrequency = memory_clock;
3003 	mclk->MpllFuncCntl = mpll_func_cntl;
3004 	mclk->MpllFuncCntl_1 = mpll_func_cntl_1;
3005 	mclk->MpllFuncCntl_2 = mpll_func_cntl_2;
3006 	mclk->MpllAdFuncCntl = mpll_ad_func_cntl;
3007 	mclk->MpllDqFuncCntl = mpll_dq_func_cntl;
3008 	mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl;
3009 	mclk->DllCntl = dll_cntl;
3010 	mclk->MpllSs1 = mpll_ss1;
3011 	mclk->MpllSs2 = mpll_ss2;
3012 
3013 	return 0;
3014 }
3015 
ci_populate_single_memory_level(struct amdgpu_device * adev,u32 memory_clock,SMU7_Discrete_MemoryLevel * memory_level)3016 static int ci_populate_single_memory_level(struct amdgpu_device *adev,
3017 					   u32 memory_clock,
3018 					   SMU7_Discrete_MemoryLevel *memory_level)
3019 {
3020 	struct ci_power_info *pi = ci_get_pi(adev);
3021 	int ret;
3022 	bool dll_state_on;
3023 
3024 	if (adev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries) {
3025 		ret = ci_get_dependency_volt_by_clk(adev,
3026 						    &adev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
3027 						    memory_clock, &memory_level->MinVddc);
3028 		if (ret)
3029 			return ret;
3030 	}
3031 
3032 	if (adev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries) {
3033 		ret = ci_get_dependency_volt_by_clk(adev,
3034 						    &adev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
3035 						    memory_clock, &memory_level->MinVddci);
3036 		if (ret)
3037 			return ret;
3038 	}
3039 
3040 	if (adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries) {
3041 		ret = ci_get_dependency_volt_by_clk(adev,
3042 						    &adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
3043 						    memory_clock, &memory_level->MinMvdd);
3044 		if (ret)
3045 			return ret;
3046 	}
3047 
3048 	memory_level->MinVddcPhases = 1;
3049 
3050 	if (pi->vddc_phase_shed_control)
3051 		ci_populate_phase_value_based_on_mclk(adev,
3052 						      &adev->pm.dpm.dyn_state.phase_shedding_limits_table,
3053 						      memory_clock,
3054 						      &memory_level->MinVddcPhases);
3055 
3056 	memory_level->EnabledForActivity = 1;
3057 	memory_level->EnabledForThrottle = 1;
3058 	memory_level->UpH = 0;
3059 	memory_level->DownH = 100;
3060 	memory_level->VoltageDownH = 0;
3061 	memory_level->ActivityLevel = (u16)pi->mclk_activity_target;
3062 
3063 	memory_level->StutterEnable = false;
3064 	memory_level->StrobeEnable = false;
3065 	memory_level->EdcReadEnable = false;
3066 	memory_level->EdcWriteEnable = false;
3067 	memory_level->RttEnable = false;
3068 
3069 	memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
3070 
3071 	if (pi->mclk_stutter_mode_threshold &&
3072 	    (memory_clock <= pi->mclk_stutter_mode_threshold) &&
3073 	    (!pi->uvd_enabled) &&
3074 	    (RREG32(mmDPG_PIPE_STUTTER_CONTROL) & DPG_PIPE_STUTTER_CONTROL__STUTTER_ENABLE_MASK) &&
3075 	    (adev->pm.dpm.new_active_crtc_count <= 2))
3076 		memory_level->StutterEnable = true;
3077 
3078 	if (pi->mclk_strobe_mode_threshold &&
3079 	    (memory_clock <= pi->mclk_strobe_mode_threshold))
3080 		memory_level->StrobeEnable = 1;
3081 
3082 	if (adev->gmc.vram_type == AMDGPU_VRAM_TYPE_GDDR5) {
3083 		memory_level->StrobeRatio =
3084 			ci_get_mclk_frequency_ratio(memory_clock, memory_level->StrobeEnable);
3085 		if (pi->mclk_edc_enable_threshold &&
3086 		    (memory_clock > pi->mclk_edc_enable_threshold))
3087 			memory_level->EdcReadEnable = true;
3088 
3089 		if (pi->mclk_edc_wr_enable_threshold &&
3090 		    (memory_clock > pi->mclk_edc_wr_enable_threshold))
3091 			memory_level->EdcWriteEnable = true;
3092 
3093 		if (memory_level->StrobeEnable) {
3094 			if (ci_get_mclk_frequency_ratio(memory_clock, true) >=
3095 			    ((RREG32(mmMC_SEQ_MISC7) >> 16) & 0xf))
3096 				dll_state_on = ((RREG32(mmMC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
3097 			else
3098 				dll_state_on = ((RREG32(mmMC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
3099 		} else {
3100 			dll_state_on = pi->dll_default_on;
3101 		}
3102 	} else {
3103 		memory_level->StrobeRatio = ci_get_ddr3_mclk_frequency_ratio(memory_clock);
3104 		dll_state_on = ((RREG32(mmMC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
3105 	}
3106 
3107 	ret = ci_calculate_mclk_params(adev, memory_clock, memory_level, memory_level->StrobeEnable, dll_state_on);
3108 	if (ret)
3109 		return ret;
3110 
3111 	memory_level->MinVddc = cpu_to_be32(memory_level->MinVddc * VOLTAGE_SCALE);
3112 	memory_level->MinVddcPhases = cpu_to_be32(memory_level->MinVddcPhases);
3113 	memory_level->MinVddci = cpu_to_be32(memory_level->MinVddci * VOLTAGE_SCALE);
3114 	memory_level->MinMvdd = cpu_to_be32(memory_level->MinMvdd * VOLTAGE_SCALE);
3115 
3116 	memory_level->MclkFrequency = cpu_to_be32(memory_level->MclkFrequency);
3117 	memory_level->ActivityLevel = cpu_to_be16(memory_level->ActivityLevel);
3118 	memory_level->MpllFuncCntl = cpu_to_be32(memory_level->MpllFuncCntl);
3119 	memory_level->MpllFuncCntl_1 = cpu_to_be32(memory_level->MpllFuncCntl_1);
3120 	memory_level->MpllFuncCntl_2 = cpu_to_be32(memory_level->MpllFuncCntl_2);
3121 	memory_level->MpllAdFuncCntl = cpu_to_be32(memory_level->MpllAdFuncCntl);
3122 	memory_level->MpllDqFuncCntl = cpu_to_be32(memory_level->MpllDqFuncCntl);
3123 	memory_level->MclkPwrmgtCntl = cpu_to_be32(memory_level->MclkPwrmgtCntl);
3124 	memory_level->DllCntl = cpu_to_be32(memory_level->DllCntl);
3125 	memory_level->MpllSs1 = cpu_to_be32(memory_level->MpllSs1);
3126 	memory_level->MpllSs2 = cpu_to_be32(memory_level->MpllSs2);
3127 
3128 	return 0;
3129 }
3130 
ci_populate_smc_acpi_level(struct amdgpu_device * adev,SMU7_Discrete_DpmTable * table)3131 static int ci_populate_smc_acpi_level(struct amdgpu_device *adev,
3132 				      SMU7_Discrete_DpmTable *table)
3133 {
3134 	struct ci_power_info *pi = ci_get_pi(adev);
3135 	struct atom_clock_dividers dividers;
3136 	SMU7_Discrete_VoltageLevel voltage_level;
3137 	u32 spll_func_cntl = pi->clock_registers.cg_spll_func_cntl;
3138 	u32 spll_func_cntl_2 = pi->clock_registers.cg_spll_func_cntl_2;
3139 	u32 dll_cntl = pi->clock_registers.dll_cntl;
3140 	u32 mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl;
3141 	int ret;
3142 
3143 	table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
3144 
3145 	if (pi->acpi_vddc)
3146 		table->ACPILevel.MinVddc = cpu_to_be32(pi->acpi_vddc * VOLTAGE_SCALE);
3147 	else
3148 		table->ACPILevel.MinVddc = cpu_to_be32(pi->min_vddc_in_pp_table * VOLTAGE_SCALE);
3149 
3150 	table->ACPILevel.MinVddcPhases = pi->vddc_phase_shed_control ? 0 : 1;
3151 
3152 	table->ACPILevel.SclkFrequency = adev->clock.spll.reference_freq;
3153 
3154 	ret = amdgpu_atombios_get_clock_dividers(adev,
3155 						 COMPUTE_GPUCLK_INPUT_FLAG_SCLK,
3156 						 table->ACPILevel.SclkFrequency, false, &dividers);
3157 	if (ret)
3158 		return ret;
3159 
3160 	table->ACPILevel.SclkDid = (u8)dividers.post_divider;
3161 	table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
3162 	table->ACPILevel.DeepSleepDivId = 0;
3163 
3164 	spll_func_cntl &= ~CG_SPLL_FUNC_CNTL__SPLL_PWRON_MASK;
3165 	spll_func_cntl |= CG_SPLL_FUNC_CNTL__SPLL_RESET_MASK;
3166 
3167 	spll_func_cntl_2 &= ~CG_SPLL_FUNC_CNTL_2__SCLK_MUX_SEL_MASK;
3168 	spll_func_cntl_2 |= (4 << CG_SPLL_FUNC_CNTL_2__SCLK_MUX_SEL__SHIFT);
3169 
3170 	table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
3171 	table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
3172 	table->ACPILevel.CgSpllFuncCntl3 = pi->clock_registers.cg_spll_func_cntl_3;
3173 	table->ACPILevel.CgSpllFuncCntl4 = pi->clock_registers.cg_spll_func_cntl_4;
3174 	table->ACPILevel.SpllSpreadSpectrum = pi->clock_registers.cg_spll_spread_spectrum;
3175 	table->ACPILevel.SpllSpreadSpectrum2 = pi->clock_registers.cg_spll_spread_spectrum_2;
3176 	table->ACPILevel.CcPwrDynRm = 0;
3177 	table->ACPILevel.CcPwrDynRm1 = 0;
3178 
3179 	table->ACPILevel.Flags = cpu_to_be32(table->ACPILevel.Flags);
3180 	table->ACPILevel.MinVddcPhases = cpu_to_be32(table->ACPILevel.MinVddcPhases);
3181 	table->ACPILevel.SclkFrequency = cpu_to_be32(table->ACPILevel.SclkFrequency);
3182 	table->ACPILevel.CgSpllFuncCntl = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl);
3183 	table->ACPILevel.CgSpllFuncCntl2 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl2);
3184 	table->ACPILevel.CgSpllFuncCntl3 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl3);
3185 	table->ACPILevel.CgSpllFuncCntl4 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl4);
3186 	table->ACPILevel.SpllSpreadSpectrum = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum);
3187 	table->ACPILevel.SpllSpreadSpectrum2 = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum2);
3188 	table->ACPILevel.CcPwrDynRm = cpu_to_be32(table->ACPILevel.CcPwrDynRm);
3189 	table->ACPILevel.CcPwrDynRm1 = cpu_to_be32(table->ACPILevel.CcPwrDynRm1);
3190 
3191 	table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc;
3192 	table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;
3193 
3194 	if (pi->vddci_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
3195 		if (pi->acpi_vddci)
3196 			table->MemoryACPILevel.MinVddci =
3197 				cpu_to_be32(pi->acpi_vddci * VOLTAGE_SCALE);
3198 		else
3199 			table->MemoryACPILevel.MinVddci =
3200 				cpu_to_be32(pi->min_vddci_in_pp_table * VOLTAGE_SCALE);
3201 	}
3202 
3203 	if (ci_populate_mvdd_value(adev, 0, &voltage_level))
3204 		table->MemoryACPILevel.MinMvdd = 0;
3205 	else
3206 		table->MemoryACPILevel.MinMvdd =
3207 			cpu_to_be32(voltage_level.Voltage * VOLTAGE_SCALE);
3208 
3209 	mclk_pwrmgt_cntl |= MCLK_PWRMGT_CNTL__MRDCK0_RESET_MASK |
3210 		MCLK_PWRMGT_CNTL__MRDCK1_RESET_MASK;
3211 	mclk_pwrmgt_cntl &= ~(MCLK_PWRMGT_CNTL__MRDCK0_PDNB_MASK |
3212 			MCLK_PWRMGT_CNTL__MRDCK1_PDNB_MASK);
3213 
3214 	dll_cntl &= ~(DLL_CNTL__MRDCK0_BYPASS_MASK | DLL_CNTL__MRDCK1_BYPASS_MASK);
3215 
3216 	table->MemoryACPILevel.DllCntl = cpu_to_be32(dll_cntl);
3217 	table->MemoryACPILevel.MclkPwrmgtCntl = cpu_to_be32(mclk_pwrmgt_cntl);
3218 	table->MemoryACPILevel.MpllAdFuncCntl =
3219 		cpu_to_be32(pi->clock_registers.mpll_ad_func_cntl);
3220 	table->MemoryACPILevel.MpllDqFuncCntl =
3221 		cpu_to_be32(pi->clock_registers.mpll_dq_func_cntl);
3222 	table->MemoryACPILevel.MpllFuncCntl =
3223 		cpu_to_be32(pi->clock_registers.mpll_func_cntl);
3224 	table->MemoryACPILevel.MpllFuncCntl_1 =
3225 		cpu_to_be32(pi->clock_registers.mpll_func_cntl_1);
3226 	table->MemoryACPILevel.MpllFuncCntl_2 =
3227 		cpu_to_be32(pi->clock_registers.mpll_func_cntl_2);
3228 	table->MemoryACPILevel.MpllSs1 = cpu_to_be32(pi->clock_registers.mpll_ss1);
3229 	table->MemoryACPILevel.MpllSs2 = cpu_to_be32(pi->clock_registers.mpll_ss2);
3230 
3231 	table->MemoryACPILevel.EnabledForThrottle = 0;
3232 	table->MemoryACPILevel.EnabledForActivity = 0;
3233 	table->MemoryACPILevel.UpH = 0;
3234 	table->MemoryACPILevel.DownH = 100;
3235 	table->MemoryACPILevel.VoltageDownH = 0;
3236 	table->MemoryACPILevel.ActivityLevel =
3237 		cpu_to_be16((u16)pi->mclk_activity_target);
3238 
3239 	table->MemoryACPILevel.StutterEnable = false;
3240 	table->MemoryACPILevel.StrobeEnable = false;
3241 	table->MemoryACPILevel.EdcReadEnable = false;
3242 	table->MemoryACPILevel.EdcWriteEnable = false;
3243 	table->MemoryACPILevel.RttEnable = false;
3244 
3245 	return 0;
3246 }
3247 
3248 
ci_enable_ulv(struct amdgpu_device * adev,bool enable)3249 static int ci_enable_ulv(struct amdgpu_device *adev, bool enable)
3250 {
3251 	struct ci_power_info *pi = ci_get_pi(adev);
3252 	struct ci_ulv_parm *ulv = &pi->ulv;
3253 
3254 	if (ulv->supported) {
3255 		if (enable)
3256 			return (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_EnableULV) == PPSMC_Result_OK) ?
3257 				0 : -EINVAL;
3258 		else
3259 			return (amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_DisableULV) == PPSMC_Result_OK) ?
3260 				0 : -EINVAL;
3261 	}
3262 
3263 	return 0;
3264 }
3265 
ci_populate_ulv_level(struct amdgpu_device * adev,SMU7_Discrete_Ulv * state)3266 static int ci_populate_ulv_level(struct amdgpu_device *adev,
3267 				 SMU7_Discrete_Ulv *state)
3268 {
3269 	struct ci_power_info *pi = ci_get_pi(adev);
3270 	u16 ulv_voltage = adev->pm.dpm.backbias_response_time;
3271 
3272 	state->CcPwrDynRm = 0;
3273 	state->CcPwrDynRm1 = 0;
3274 
3275 	if (ulv_voltage == 0) {
3276 		pi->ulv.supported = false;
3277 		return 0;
3278 	}
3279 
3280 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
3281 		if (ulv_voltage > adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v)
3282 			state->VddcOffset = 0;
3283 		else
3284 			state->VddcOffset =
3285 				adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage;
3286 	} else {
3287 		if (ulv_voltage > adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v)
3288 			state->VddcOffsetVid = 0;
3289 		else
3290 			state->VddcOffsetVid = (u8)
3291 				((adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage) *
3292 				 VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1);
3293 	}
3294 	state->VddcPhase = pi->vddc_phase_shed_control ? 0 : 1;
3295 
3296 	state->CcPwrDynRm = cpu_to_be32(state->CcPwrDynRm);
3297 	state->CcPwrDynRm1 = cpu_to_be32(state->CcPwrDynRm1);
3298 	state->VddcOffset = cpu_to_be16(state->VddcOffset);
3299 
3300 	return 0;
3301 }
3302 
ci_calculate_sclk_params(struct amdgpu_device * adev,u32 engine_clock,SMU7_Discrete_GraphicsLevel * sclk)3303 static int ci_calculate_sclk_params(struct amdgpu_device *adev,
3304 				    u32 engine_clock,
3305 				    SMU7_Discrete_GraphicsLevel *sclk)
3306 {
3307 	struct ci_power_info *pi = ci_get_pi(adev);
3308 	struct atom_clock_dividers dividers;
3309 	u32 spll_func_cntl_3 = pi->clock_registers.cg_spll_func_cntl_3;
3310 	u32 spll_func_cntl_4 = pi->clock_registers.cg_spll_func_cntl_4;
3311 	u32 cg_spll_spread_spectrum = pi->clock_registers.cg_spll_spread_spectrum;
3312 	u32 cg_spll_spread_spectrum_2 = pi->clock_registers.cg_spll_spread_spectrum_2;
3313 	u32 reference_clock = adev->clock.spll.reference_freq;
3314 	u32 reference_divider;
3315 	u32 fbdiv;
3316 	int ret;
3317 
3318 	ret = amdgpu_atombios_get_clock_dividers(adev,
3319 						 COMPUTE_GPUCLK_INPUT_FLAG_SCLK,
3320 						 engine_clock, false, &dividers);
3321 	if (ret)
3322 		return ret;
3323 
3324 	reference_divider = 1 + dividers.ref_div;
3325 	fbdiv = dividers.fb_div & 0x3FFFFFF;
3326 
3327 	spll_func_cntl_3 &= ~CG_SPLL_FUNC_CNTL_3__SPLL_FB_DIV_MASK;
3328 	spll_func_cntl_3 |= (fbdiv << CG_SPLL_FUNC_CNTL_3__SPLL_FB_DIV__SHIFT);
3329 	spll_func_cntl_3 |= CG_SPLL_FUNC_CNTL_3__SPLL_DITHEN_MASK;
3330 
3331 	if (pi->caps_sclk_ss_support) {
3332 		struct amdgpu_atom_ss ss;
3333 		u32 vco_freq = engine_clock * dividers.post_div;
3334 
3335 		if (amdgpu_atombios_get_asic_ss_info(adev, &ss,
3336 						     ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
3337 			u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
3338 			u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
3339 
3340 			cg_spll_spread_spectrum &= ~(CG_SPLL_SPREAD_SPECTRUM__CLKS_MASK | CG_SPLL_SPREAD_SPECTRUM__SSEN_MASK);
3341 			cg_spll_spread_spectrum |= (clk_s << CG_SPLL_SPREAD_SPECTRUM__CLKS__SHIFT);
3342 			cg_spll_spread_spectrum |= (1 << CG_SPLL_SPREAD_SPECTRUM__SSEN__SHIFT);
3343 
3344 			cg_spll_spread_spectrum_2 &= ~CG_SPLL_SPREAD_SPECTRUM_2__CLKV_MASK;
3345 			cg_spll_spread_spectrum_2 |= (clk_v << CG_SPLL_SPREAD_SPECTRUM_2__CLKV__SHIFT);
3346 		}
3347 	}
3348 
3349 	sclk->SclkFrequency = engine_clock;
3350 	sclk->CgSpllFuncCntl3 = spll_func_cntl_3;
3351 	sclk->CgSpllFuncCntl4 = spll_func_cntl_4;
3352 	sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum;
3353 	sclk->SpllSpreadSpectrum2  = cg_spll_spread_spectrum_2;
3354 	sclk->SclkDid = (u8)dividers.post_divider;
3355 
3356 	return 0;
3357 }
3358 
ci_populate_single_graphic_level(struct amdgpu_device * adev,u32 engine_clock,u16 sclk_activity_level_t,SMU7_Discrete_GraphicsLevel * graphic_level)3359 static int ci_populate_single_graphic_level(struct amdgpu_device *adev,
3360 					    u32 engine_clock,
3361 					    u16 sclk_activity_level_t,
3362 					    SMU7_Discrete_GraphicsLevel *graphic_level)
3363 {
3364 	struct ci_power_info *pi = ci_get_pi(adev);
3365 	int ret;
3366 
3367 	ret = ci_calculate_sclk_params(adev, engine_clock, graphic_level);
3368 	if (ret)
3369 		return ret;
3370 
3371 	ret = ci_get_dependency_volt_by_clk(adev,
3372 					    &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
3373 					    engine_clock, &graphic_level->MinVddc);
3374 	if (ret)
3375 		return ret;
3376 
3377 	graphic_level->SclkFrequency = engine_clock;
3378 
3379 	graphic_level->Flags =  0;
3380 	graphic_level->MinVddcPhases = 1;
3381 
3382 	if (pi->vddc_phase_shed_control)
3383 		ci_populate_phase_value_based_on_sclk(adev,
3384 						      &adev->pm.dpm.dyn_state.phase_shedding_limits_table,
3385 						      engine_clock,
3386 						      &graphic_level->MinVddcPhases);
3387 
3388 	graphic_level->ActivityLevel = sclk_activity_level_t;
3389 
3390 	graphic_level->CcPwrDynRm = 0;
3391 	graphic_level->CcPwrDynRm1 = 0;
3392 	graphic_level->EnabledForThrottle = 1;
3393 	graphic_level->UpH = 0;
3394 	graphic_level->DownH = 0;
3395 	graphic_level->VoltageDownH = 0;
3396 	graphic_level->PowerThrottle = 0;
3397 
3398 	if (pi->caps_sclk_ds)
3399 		graphic_level->DeepSleepDivId = ci_get_sleep_divider_id_from_clock(engine_clock,
3400 										   CISLAND_MINIMUM_ENGINE_CLOCK);
3401 
3402 	graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
3403 
3404 	graphic_level->Flags = cpu_to_be32(graphic_level->Flags);
3405 	graphic_level->MinVddc = cpu_to_be32(graphic_level->MinVddc * VOLTAGE_SCALE);
3406 	graphic_level->MinVddcPhases = cpu_to_be32(graphic_level->MinVddcPhases);
3407 	graphic_level->SclkFrequency = cpu_to_be32(graphic_level->SclkFrequency);
3408 	graphic_level->ActivityLevel = cpu_to_be16(graphic_level->ActivityLevel);
3409 	graphic_level->CgSpllFuncCntl3 = cpu_to_be32(graphic_level->CgSpllFuncCntl3);
3410 	graphic_level->CgSpllFuncCntl4 = cpu_to_be32(graphic_level->CgSpllFuncCntl4);
3411 	graphic_level->SpllSpreadSpectrum = cpu_to_be32(graphic_level->SpllSpreadSpectrum);
3412 	graphic_level->SpllSpreadSpectrum2 = cpu_to_be32(graphic_level->SpllSpreadSpectrum2);
3413 	graphic_level->CcPwrDynRm = cpu_to_be32(graphic_level->CcPwrDynRm);
3414 	graphic_level->CcPwrDynRm1 = cpu_to_be32(graphic_level->CcPwrDynRm1);
3415 
3416 	return 0;
3417 }
3418 
ci_populate_all_graphic_levels(struct amdgpu_device * adev)3419 static int ci_populate_all_graphic_levels(struct amdgpu_device *adev)
3420 {
3421 	struct ci_power_info *pi = ci_get_pi(adev);
3422 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
3423 	u32 level_array_address = pi->dpm_table_start +
3424 		offsetof(SMU7_Discrete_DpmTable, GraphicsLevel);
3425 	u32 level_array_size = sizeof(SMU7_Discrete_GraphicsLevel) *
3426 		SMU7_MAX_LEVELS_GRAPHICS;
3427 	SMU7_Discrete_GraphicsLevel *levels = pi->smc_state_table.GraphicsLevel;
3428 	u32 i, ret;
3429 
3430 	memset(levels, 0, level_array_size);
3431 
3432 	for (i = 0; i < dpm_table->sclk_table.count; i++) {
3433 		ret = ci_populate_single_graphic_level(adev,
3434 						       dpm_table->sclk_table.dpm_levels[i].value,
3435 						       (u16)pi->activity_target[i],
3436 						       &pi->smc_state_table.GraphicsLevel[i]);
3437 		if (ret)
3438 			return ret;
3439 		if (i > 1)
3440 			pi->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
3441 		if (i == (dpm_table->sclk_table.count - 1))
3442 			pi->smc_state_table.GraphicsLevel[i].DisplayWatermark =
3443 				PPSMC_DISPLAY_WATERMARK_HIGH;
3444 	}
3445 	pi->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
3446 
3447 	pi->smc_state_table.GraphicsDpmLevelCount = (u8)dpm_table->sclk_table.count;
3448 	pi->dpm_level_enable_mask.sclk_dpm_enable_mask =
3449 		ci_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
3450 
3451 	ret = amdgpu_ci_copy_bytes_to_smc(adev, level_array_address,
3452 				   (u8 *)levels, level_array_size,
3453 				   pi->sram_end);
3454 	if (ret)
3455 		return ret;
3456 
3457 	return 0;
3458 }
3459 
ci_populate_ulv_state(struct amdgpu_device * adev,SMU7_Discrete_Ulv * ulv_level)3460 static int ci_populate_ulv_state(struct amdgpu_device *adev,
3461 				 SMU7_Discrete_Ulv *ulv_level)
3462 {
3463 	return ci_populate_ulv_level(adev, ulv_level);
3464 }
3465 
ci_populate_all_memory_levels(struct amdgpu_device * adev)3466 static int ci_populate_all_memory_levels(struct amdgpu_device *adev)
3467 {
3468 	struct ci_power_info *pi = ci_get_pi(adev);
3469 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
3470 	u32 level_array_address = pi->dpm_table_start +
3471 		offsetof(SMU7_Discrete_DpmTable, MemoryLevel);
3472 	u32 level_array_size = sizeof(SMU7_Discrete_MemoryLevel) *
3473 		SMU7_MAX_LEVELS_MEMORY;
3474 	SMU7_Discrete_MemoryLevel *levels = pi->smc_state_table.MemoryLevel;
3475 	u32 i, ret;
3476 
3477 	memset(levels, 0, level_array_size);
3478 
3479 	for (i = 0; i < dpm_table->mclk_table.count; i++) {
3480 		if (dpm_table->mclk_table.dpm_levels[i].value == 0)
3481 			return -EINVAL;
3482 		ret = ci_populate_single_memory_level(adev,
3483 						      dpm_table->mclk_table.dpm_levels[i].value,
3484 						      &pi->smc_state_table.MemoryLevel[i]);
3485 		if (ret)
3486 			return ret;
3487 	}
3488 
3489 	if ((dpm_table->mclk_table.count >= 2) &&
3490 	    ((adev->pdev->device == 0x67B0) || (adev->pdev->device == 0x67B1))) {
3491 		pi->smc_state_table.MemoryLevel[1].MinVddc =
3492 			pi->smc_state_table.MemoryLevel[0].MinVddc;
3493 		pi->smc_state_table.MemoryLevel[1].MinVddcPhases =
3494 			pi->smc_state_table.MemoryLevel[0].MinVddcPhases;
3495 	}
3496 
3497 	pi->smc_state_table.MemoryLevel[0].ActivityLevel = cpu_to_be16(0x1F);
3498 
3499 	pi->smc_state_table.MemoryDpmLevelCount = (u8)dpm_table->mclk_table.count;
3500 	pi->dpm_level_enable_mask.mclk_dpm_enable_mask =
3501 		ci_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
3502 
3503 	pi->smc_state_table.MemoryLevel[dpm_table->mclk_table.count - 1].DisplayWatermark =
3504 		PPSMC_DISPLAY_WATERMARK_HIGH;
3505 
3506 	ret = amdgpu_ci_copy_bytes_to_smc(adev, level_array_address,
3507 				   (u8 *)levels, level_array_size,
3508 				   pi->sram_end);
3509 	if (ret)
3510 		return ret;
3511 
3512 	return 0;
3513 }
3514 
ci_reset_single_dpm_table(struct amdgpu_device * adev,struct ci_single_dpm_table * dpm_table,u32 count)3515 static void ci_reset_single_dpm_table(struct amdgpu_device *adev,
3516 				      struct ci_single_dpm_table* dpm_table,
3517 				      u32 count)
3518 {
3519 	u32 i;
3520 
3521 	dpm_table->count = count;
3522 	for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++)
3523 		dpm_table->dpm_levels[i].enabled = false;
3524 }
3525 
ci_setup_pcie_table_entry(struct ci_single_dpm_table * dpm_table,u32 index,u32 pcie_gen,u32 pcie_lanes)3526 static void ci_setup_pcie_table_entry(struct ci_single_dpm_table* dpm_table,
3527 				      u32 index, u32 pcie_gen, u32 pcie_lanes)
3528 {
3529 	dpm_table->dpm_levels[index].value = pcie_gen;
3530 	dpm_table->dpm_levels[index].param1 = pcie_lanes;
3531 	dpm_table->dpm_levels[index].enabled = true;
3532 }
3533 
ci_setup_default_pcie_tables(struct amdgpu_device * adev)3534 static int ci_setup_default_pcie_tables(struct amdgpu_device *adev)
3535 {
3536 	struct ci_power_info *pi = ci_get_pi(adev);
3537 
3538 	if (!pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels)
3539 		return -EINVAL;
3540 
3541 	if (pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels) {
3542 		pi->pcie_gen_powersaving = pi->pcie_gen_performance;
3543 		pi->pcie_lane_powersaving = pi->pcie_lane_performance;
3544 	} else if (!pi->use_pcie_performance_levels && pi->use_pcie_powersaving_levels) {
3545 		pi->pcie_gen_performance = pi->pcie_gen_powersaving;
3546 		pi->pcie_lane_performance = pi->pcie_lane_powersaving;
3547 	}
3548 
3549 	ci_reset_single_dpm_table(adev,
3550 				  &pi->dpm_table.pcie_speed_table,
3551 				  SMU7_MAX_LEVELS_LINK);
3552 
3553 	if (adev->asic_type == CHIP_BONAIRE)
3554 		ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0,
3555 					  pi->pcie_gen_powersaving.min,
3556 					  pi->pcie_lane_powersaving.max);
3557 	else
3558 		ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0,
3559 					  pi->pcie_gen_powersaving.min,
3560 					  pi->pcie_lane_powersaving.min);
3561 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 1,
3562 				  pi->pcie_gen_performance.min,
3563 				  pi->pcie_lane_performance.min);
3564 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 2,
3565 				  pi->pcie_gen_powersaving.min,
3566 				  pi->pcie_lane_powersaving.max);
3567 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 3,
3568 				  pi->pcie_gen_performance.min,
3569 				  pi->pcie_lane_performance.max);
3570 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 4,
3571 				  pi->pcie_gen_powersaving.max,
3572 				  pi->pcie_lane_powersaving.max);
3573 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 5,
3574 				  pi->pcie_gen_performance.max,
3575 				  pi->pcie_lane_performance.max);
3576 
3577 	pi->dpm_table.pcie_speed_table.count = 6;
3578 
3579 	return 0;
3580 }
3581 
ci_setup_default_dpm_tables(struct amdgpu_device * adev)3582 static int ci_setup_default_dpm_tables(struct amdgpu_device *adev)
3583 {
3584 	struct ci_power_info *pi = ci_get_pi(adev);
3585 	struct amdgpu_clock_voltage_dependency_table *allowed_sclk_vddc_table =
3586 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
3587 	struct amdgpu_clock_voltage_dependency_table *allowed_mclk_table =
3588 		&adev->pm.dpm.dyn_state.vddc_dependency_on_mclk;
3589 	struct amdgpu_cac_leakage_table *std_voltage_table =
3590 		&adev->pm.dpm.dyn_state.cac_leakage_table;
3591 	u32 i;
3592 
3593 	if (allowed_sclk_vddc_table == NULL)
3594 		return -EINVAL;
3595 	if (allowed_sclk_vddc_table->count < 1)
3596 		return -EINVAL;
3597 	if (allowed_mclk_table == NULL)
3598 		return -EINVAL;
3599 	if (allowed_mclk_table->count < 1)
3600 		return -EINVAL;
3601 
3602 	memset(&pi->dpm_table, 0, sizeof(struct ci_dpm_table));
3603 
3604 	ci_reset_single_dpm_table(adev,
3605 				  &pi->dpm_table.sclk_table,
3606 				  SMU7_MAX_LEVELS_GRAPHICS);
3607 	ci_reset_single_dpm_table(adev,
3608 				  &pi->dpm_table.mclk_table,
3609 				  SMU7_MAX_LEVELS_MEMORY);
3610 	ci_reset_single_dpm_table(adev,
3611 				  &pi->dpm_table.vddc_table,
3612 				  SMU7_MAX_LEVELS_VDDC);
3613 	ci_reset_single_dpm_table(adev,
3614 				  &pi->dpm_table.vddci_table,
3615 				  SMU7_MAX_LEVELS_VDDCI);
3616 	ci_reset_single_dpm_table(adev,
3617 				  &pi->dpm_table.mvdd_table,
3618 				  SMU7_MAX_LEVELS_MVDD);
3619 
3620 	pi->dpm_table.sclk_table.count = 0;
3621 	for (i = 0; i < allowed_sclk_vddc_table->count; i++) {
3622 		if ((i == 0) ||
3623 		    (pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count-1].value !=
3624 		     allowed_sclk_vddc_table->entries[i].clk)) {
3625 			pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].value =
3626 				allowed_sclk_vddc_table->entries[i].clk;
3627 			pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].enabled =
3628 				(i == 0) ? true : false;
3629 			pi->dpm_table.sclk_table.count++;
3630 		}
3631 	}
3632 
3633 	pi->dpm_table.mclk_table.count = 0;
3634 	for (i = 0; i < allowed_mclk_table->count; i++) {
3635 		if ((i == 0) ||
3636 		    (pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count-1].value !=
3637 		     allowed_mclk_table->entries[i].clk)) {
3638 			pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].value =
3639 				allowed_mclk_table->entries[i].clk;
3640 			pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].enabled =
3641 				(i == 0) ? true : false;
3642 			pi->dpm_table.mclk_table.count++;
3643 		}
3644 	}
3645 
3646 	for (i = 0; i < allowed_sclk_vddc_table->count; i++) {
3647 		pi->dpm_table.vddc_table.dpm_levels[i].value =
3648 			allowed_sclk_vddc_table->entries[i].v;
3649 		pi->dpm_table.vddc_table.dpm_levels[i].param1 =
3650 			std_voltage_table->entries[i].leakage;
3651 		pi->dpm_table.vddc_table.dpm_levels[i].enabled = true;
3652 	}
3653 	pi->dpm_table.vddc_table.count = allowed_sclk_vddc_table->count;
3654 
3655 	allowed_mclk_table = &adev->pm.dpm.dyn_state.vddci_dependency_on_mclk;
3656 	if (allowed_mclk_table) {
3657 		for (i = 0; i < allowed_mclk_table->count; i++) {
3658 			pi->dpm_table.vddci_table.dpm_levels[i].value =
3659 				allowed_mclk_table->entries[i].v;
3660 			pi->dpm_table.vddci_table.dpm_levels[i].enabled = true;
3661 		}
3662 		pi->dpm_table.vddci_table.count = allowed_mclk_table->count;
3663 	}
3664 
3665 	allowed_mclk_table = &adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk;
3666 	if (allowed_mclk_table) {
3667 		for (i = 0; i < allowed_mclk_table->count; i++) {
3668 			pi->dpm_table.mvdd_table.dpm_levels[i].value =
3669 				allowed_mclk_table->entries[i].v;
3670 			pi->dpm_table.mvdd_table.dpm_levels[i].enabled = true;
3671 		}
3672 		pi->dpm_table.mvdd_table.count = allowed_mclk_table->count;
3673 	}
3674 
3675 	ci_setup_default_pcie_tables(adev);
3676 
3677 	/* save a copy of the default DPM table */
3678 	memcpy(&(pi->golden_dpm_table), &(pi->dpm_table),
3679 			sizeof(struct ci_dpm_table));
3680 
3681 	return 0;
3682 }
3683 
ci_find_boot_level(struct ci_single_dpm_table * table,u32 value,u32 * boot_level)3684 static int ci_find_boot_level(struct ci_single_dpm_table *table,
3685 			      u32 value, u32 *boot_level)
3686 {
3687 	u32 i;
3688 	int ret = -EINVAL;
3689 
3690 	for(i = 0; i < table->count; i++) {
3691 		if (value == table->dpm_levels[i].value) {
3692 			*boot_level = i;
3693 			ret = 0;
3694 		}
3695 	}
3696 
3697 	return ret;
3698 }
3699 
ci_init_smc_table(struct amdgpu_device * adev)3700 static int ci_init_smc_table(struct amdgpu_device *adev)
3701 {
3702 	struct ci_power_info *pi = ci_get_pi(adev);
3703 	struct ci_ulv_parm *ulv = &pi->ulv;
3704 	struct amdgpu_ps *amdgpu_boot_state = adev->pm.dpm.boot_ps;
3705 	SMU7_Discrete_DpmTable *table = &pi->smc_state_table;
3706 	int ret;
3707 
3708 	ret = ci_setup_default_dpm_tables(adev);
3709 	if (ret)
3710 		return ret;
3711 
3712 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE)
3713 		ci_populate_smc_voltage_tables(adev, table);
3714 
3715 	ci_init_fps_limits(adev);
3716 
3717 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
3718 		table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
3719 
3720 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
3721 		table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
3722 
3723 	if (adev->gmc.vram_type == AMDGPU_VRAM_TYPE_GDDR5)
3724 		table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
3725 
3726 	if (ulv->supported) {
3727 		ret = ci_populate_ulv_state(adev, &pi->smc_state_table.Ulv);
3728 		if (ret)
3729 			return ret;
3730 		WREG32_SMC(ixCG_ULV_PARAMETER, ulv->cg_ulv_parameter);
3731 	}
3732 
3733 	ret = ci_populate_all_graphic_levels(adev);
3734 	if (ret)
3735 		return ret;
3736 
3737 	ret = ci_populate_all_memory_levels(adev);
3738 	if (ret)
3739 		return ret;
3740 
3741 	ci_populate_smc_link_level(adev, table);
3742 
3743 	ret = ci_populate_smc_acpi_level(adev, table);
3744 	if (ret)
3745 		return ret;
3746 
3747 	ret = ci_populate_smc_vce_level(adev, table);
3748 	if (ret)
3749 		return ret;
3750 
3751 	ret = ci_populate_smc_acp_level(adev, table);
3752 	if (ret)
3753 		return ret;
3754 
3755 	ret = ci_populate_smc_samu_level(adev, table);
3756 	if (ret)
3757 		return ret;
3758 
3759 	ret = ci_do_program_memory_timing_parameters(adev);
3760 	if (ret)
3761 		return ret;
3762 
3763 	ret = ci_populate_smc_uvd_level(adev, table);
3764 	if (ret)
3765 		return ret;
3766 
3767 	table->UvdBootLevel  = 0;
3768 	table->VceBootLevel  = 0;
3769 	table->AcpBootLevel  = 0;
3770 	table->SamuBootLevel  = 0;
3771 	table->GraphicsBootLevel  = 0;
3772 	table->MemoryBootLevel  = 0;
3773 
3774 	ret = ci_find_boot_level(&pi->dpm_table.sclk_table,
3775 				 pi->vbios_boot_state.sclk_bootup_value,
3776 				 (u32 *)&pi->smc_state_table.GraphicsBootLevel);
3777 
3778 	ret = ci_find_boot_level(&pi->dpm_table.mclk_table,
3779 				 pi->vbios_boot_state.mclk_bootup_value,
3780 				 (u32 *)&pi->smc_state_table.MemoryBootLevel);
3781 
3782 	table->BootVddc = pi->vbios_boot_state.vddc_bootup_value;
3783 	table->BootVddci = pi->vbios_boot_state.vddci_bootup_value;
3784 	table->BootMVdd = pi->vbios_boot_state.mvdd_bootup_value;
3785 
3786 	ci_populate_smc_initial_state(adev, amdgpu_boot_state);
3787 
3788 	ret = ci_populate_bapm_parameters_in_dpm_table(adev);
3789 	if (ret)
3790 		return ret;
3791 
3792 	table->UVDInterval = 1;
3793 	table->VCEInterval = 1;
3794 	table->ACPInterval = 1;
3795 	table->SAMUInterval = 1;
3796 	table->GraphicsVoltageChangeEnable = 1;
3797 	table->GraphicsThermThrottleEnable = 1;
3798 	table->GraphicsInterval = 1;
3799 	table->VoltageInterval = 1;
3800 	table->ThermalInterval = 1;
3801 	table->TemperatureLimitHigh = (u16)((pi->thermal_temp_setting.temperature_high *
3802 					     CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000);
3803 	table->TemperatureLimitLow = (u16)((pi->thermal_temp_setting.temperature_low *
3804 					    CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000);
3805 	table->MemoryVoltageChangeEnable = 1;
3806 	table->MemoryInterval = 1;
3807 	table->VoltageResponseTime = 0;
3808 	table->VddcVddciDelta = 4000;
3809 	table->PhaseResponseTime = 0;
3810 	table->MemoryThermThrottleEnable = 1;
3811 	table->PCIeBootLinkLevel = pi->dpm_table.pcie_speed_table.count - 1;
3812 	table->PCIeGenInterval = 1;
3813 	if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2)
3814 		table->SVI2Enable  = 1;
3815 	else
3816 		table->SVI2Enable  = 0;
3817 
3818 	table->ThermGpio = 17;
3819 	table->SclkStepSize = 0x4000;
3820 
3821 	table->SystemFlags = cpu_to_be32(table->SystemFlags);
3822 	table->SmioMaskVddcVid = cpu_to_be32(table->SmioMaskVddcVid);
3823 	table->SmioMaskVddcPhase = cpu_to_be32(table->SmioMaskVddcPhase);
3824 	table->SmioMaskVddciVid = cpu_to_be32(table->SmioMaskVddciVid);
3825 	table->SmioMaskMvddVid = cpu_to_be32(table->SmioMaskMvddVid);
3826 	table->SclkStepSize = cpu_to_be32(table->SclkStepSize);
3827 	table->TemperatureLimitHigh = cpu_to_be16(table->TemperatureLimitHigh);
3828 	table->TemperatureLimitLow = cpu_to_be16(table->TemperatureLimitLow);
3829 	table->VddcVddciDelta = cpu_to_be16(table->VddcVddciDelta);
3830 	table->VoltageResponseTime = cpu_to_be16(table->VoltageResponseTime);
3831 	table->PhaseResponseTime = cpu_to_be16(table->PhaseResponseTime);
3832 	table->BootVddc = cpu_to_be16(table->BootVddc * VOLTAGE_SCALE);
3833 	table->BootVddci = cpu_to_be16(table->BootVddci * VOLTAGE_SCALE);
3834 	table->BootMVdd = cpu_to_be16(table->BootMVdd * VOLTAGE_SCALE);
3835 
3836 	ret = amdgpu_ci_copy_bytes_to_smc(adev,
3837 				   pi->dpm_table_start +
3838 				   offsetof(SMU7_Discrete_DpmTable, SystemFlags),
3839 				   (u8 *)&table->SystemFlags,
3840 				   sizeof(SMU7_Discrete_DpmTable) - 3 * sizeof(SMU7_PIDController),
3841 				   pi->sram_end);
3842 	if (ret)
3843 		return ret;
3844 
3845 	return 0;
3846 }
3847 
ci_trim_single_dpm_states(struct amdgpu_device * adev,struct ci_single_dpm_table * dpm_table,u32 low_limit,u32 high_limit)3848 static void ci_trim_single_dpm_states(struct amdgpu_device *adev,
3849 				      struct ci_single_dpm_table *dpm_table,
3850 				      u32 low_limit, u32 high_limit)
3851 {
3852 	u32 i;
3853 
3854 	for (i = 0; i < dpm_table->count; i++) {
3855 		if ((dpm_table->dpm_levels[i].value < low_limit) ||
3856 		    (dpm_table->dpm_levels[i].value > high_limit))
3857 			dpm_table->dpm_levels[i].enabled = false;
3858 		else
3859 			dpm_table->dpm_levels[i].enabled = true;
3860 	}
3861 }
3862 
ci_trim_pcie_dpm_states(struct amdgpu_device * adev,u32 speed_low,u32 lanes_low,u32 speed_high,u32 lanes_high)3863 static void ci_trim_pcie_dpm_states(struct amdgpu_device *adev,
3864 				    u32 speed_low, u32 lanes_low,
3865 				    u32 speed_high, u32 lanes_high)
3866 {
3867 	struct ci_power_info *pi = ci_get_pi(adev);
3868 	struct ci_single_dpm_table *pcie_table = &pi->dpm_table.pcie_speed_table;
3869 	u32 i, j;
3870 
3871 	for (i = 0; i < pcie_table->count; i++) {
3872 		if ((pcie_table->dpm_levels[i].value < speed_low) ||
3873 		    (pcie_table->dpm_levels[i].param1 < lanes_low) ||
3874 		    (pcie_table->dpm_levels[i].value > speed_high) ||
3875 		    (pcie_table->dpm_levels[i].param1 > lanes_high))
3876 			pcie_table->dpm_levels[i].enabled = false;
3877 		else
3878 			pcie_table->dpm_levels[i].enabled = true;
3879 	}
3880 
3881 	for (i = 0; i < pcie_table->count; i++) {
3882 		if (pcie_table->dpm_levels[i].enabled) {
3883 			for (j = i + 1; j < pcie_table->count; j++) {
3884 				if (pcie_table->dpm_levels[j].enabled) {
3885 					if ((pcie_table->dpm_levels[i].value == pcie_table->dpm_levels[j].value) &&
3886 					    (pcie_table->dpm_levels[i].param1 == pcie_table->dpm_levels[j].param1))
3887 						pcie_table->dpm_levels[j].enabled = false;
3888 				}
3889 			}
3890 		}
3891 	}
3892 }
3893 
ci_trim_dpm_states(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_state)3894 static int ci_trim_dpm_states(struct amdgpu_device *adev,
3895 			      struct amdgpu_ps *amdgpu_state)
3896 {
3897 	struct ci_ps *state = ci_get_ps(amdgpu_state);
3898 	struct ci_power_info *pi = ci_get_pi(adev);
3899 	u32 high_limit_count;
3900 
3901 	if (state->performance_level_count < 1)
3902 		return -EINVAL;
3903 
3904 	if (state->performance_level_count == 1)
3905 		high_limit_count = 0;
3906 	else
3907 		high_limit_count = 1;
3908 
3909 	ci_trim_single_dpm_states(adev,
3910 				  &pi->dpm_table.sclk_table,
3911 				  state->performance_levels[0].sclk,
3912 				  state->performance_levels[high_limit_count].sclk);
3913 
3914 	ci_trim_single_dpm_states(adev,
3915 				  &pi->dpm_table.mclk_table,
3916 				  state->performance_levels[0].mclk,
3917 				  state->performance_levels[high_limit_count].mclk);
3918 
3919 	ci_trim_pcie_dpm_states(adev,
3920 				state->performance_levels[0].pcie_gen,
3921 				state->performance_levels[0].pcie_lane,
3922 				state->performance_levels[high_limit_count].pcie_gen,
3923 				state->performance_levels[high_limit_count].pcie_lane);
3924 
3925 	return 0;
3926 }
3927 
ci_apply_disp_minimum_voltage_request(struct amdgpu_device * adev)3928 static int ci_apply_disp_minimum_voltage_request(struct amdgpu_device *adev)
3929 {
3930 	struct amdgpu_clock_voltage_dependency_table *disp_voltage_table =
3931 		&adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk;
3932 	struct amdgpu_clock_voltage_dependency_table *vddc_table =
3933 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
3934 	u32 requested_voltage = 0;
3935 	u32 i;
3936 
3937 	if (disp_voltage_table == NULL)
3938 		return -EINVAL;
3939 	if (!disp_voltage_table->count)
3940 		return -EINVAL;
3941 
3942 	for (i = 0; i < disp_voltage_table->count; i++) {
3943 		if (adev->clock.current_dispclk == disp_voltage_table->entries[i].clk)
3944 			requested_voltage = disp_voltage_table->entries[i].v;
3945 	}
3946 
3947 	for (i = 0; i < vddc_table->count; i++) {
3948 		if (requested_voltage <= vddc_table->entries[i].v) {
3949 			requested_voltage = vddc_table->entries[i].v;
3950 			return (amdgpu_ci_send_msg_to_smc_with_parameter(adev,
3951 								  PPSMC_MSG_VddC_Request,
3952 								  requested_voltage * VOLTAGE_SCALE) == PPSMC_Result_OK) ?
3953 				0 : -EINVAL;
3954 		}
3955 	}
3956 
3957 	return -EINVAL;
3958 }
3959 
ci_upload_dpm_level_enable_mask(struct amdgpu_device * adev)3960 static int ci_upload_dpm_level_enable_mask(struct amdgpu_device *adev)
3961 {
3962 	struct ci_power_info *pi = ci_get_pi(adev);
3963 	PPSMC_Result result;
3964 
3965 	ci_apply_disp_minimum_voltage_request(adev);
3966 
3967 	if (!pi->sclk_dpm_key_disabled) {
3968 		if (pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
3969 			result = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
3970 								   PPSMC_MSG_SCLKDPM_SetEnabledMask,
3971 								   pi->dpm_level_enable_mask.sclk_dpm_enable_mask);
3972 			if (result != PPSMC_Result_OK)
3973 				return -EINVAL;
3974 		}
3975 	}
3976 
3977 	if (!pi->mclk_dpm_key_disabled) {
3978 		if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
3979 			result = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
3980 								   PPSMC_MSG_MCLKDPM_SetEnabledMask,
3981 								   pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
3982 			if (result != PPSMC_Result_OK)
3983 				return -EINVAL;
3984 		}
3985 	}
3986 
3987 #if 0
3988 	if (!pi->pcie_dpm_key_disabled) {
3989 		if (pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
3990 			result = amdgpu_ci_send_msg_to_smc_with_parameter(adev,
3991 								   PPSMC_MSG_PCIeDPM_SetEnabledMask,
3992 								   pi->dpm_level_enable_mask.pcie_dpm_enable_mask);
3993 			if (result != PPSMC_Result_OK)
3994 				return -EINVAL;
3995 		}
3996 	}
3997 #endif
3998 
3999 	return 0;
4000 }
4001 
ci_find_dpm_states_clocks_in_dpm_table(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_state)4002 static void ci_find_dpm_states_clocks_in_dpm_table(struct amdgpu_device *adev,
4003 						   struct amdgpu_ps *amdgpu_state)
4004 {
4005 	struct ci_power_info *pi = ci_get_pi(adev);
4006 	struct ci_ps *state = ci_get_ps(amdgpu_state);
4007 	struct ci_single_dpm_table *sclk_table = &pi->dpm_table.sclk_table;
4008 	u32 sclk = state->performance_levels[state->performance_level_count-1].sclk;
4009 	struct ci_single_dpm_table *mclk_table = &pi->dpm_table.mclk_table;
4010 	u32 mclk = state->performance_levels[state->performance_level_count-1].mclk;
4011 	u32 i;
4012 
4013 	pi->need_update_smu7_dpm_table = 0;
4014 
4015 	for (i = 0; i < sclk_table->count; i++) {
4016 		if (sclk == sclk_table->dpm_levels[i].value)
4017 			break;
4018 	}
4019 
4020 	if (i >= sclk_table->count) {
4021 		pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
4022 	} else {
4023 		/* XXX check display min clock requirements */
4024 		if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK)
4025 			pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
4026 	}
4027 
4028 	for (i = 0; i < mclk_table->count; i++) {
4029 		if (mclk == mclk_table->dpm_levels[i].value)
4030 			break;
4031 	}
4032 
4033 	if (i >= mclk_table->count)
4034 		pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
4035 
4036 	if (adev->pm.dpm.current_active_crtc_count !=
4037 	    adev->pm.dpm.new_active_crtc_count)
4038 		pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;
4039 }
4040 
ci_populate_and_upload_sclk_mclk_dpm_levels(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_state)4041 static int ci_populate_and_upload_sclk_mclk_dpm_levels(struct amdgpu_device *adev,
4042 						       struct amdgpu_ps *amdgpu_state)
4043 {
4044 	struct ci_power_info *pi = ci_get_pi(adev);
4045 	struct ci_ps *state = ci_get_ps(amdgpu_state);
4046 	u32 sclk = state->performance_levels[state->performance_level_count-1].sclk;
4047 	u32 mclk = state->performance_levels[state->performance_level_count-1].mclk;
4048 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
4049 	int ret;
4050 
4051 	if (!pi->need_update_smu7_dpm_table)
4052 		return 0;
4053 
4054 	if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK)
4055 		dpm_table->sclk_table.dpm_levels[dpm_table->sclk_table.count-1].value = sclk;
4056 
4057 	if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)
4058 		dpm_table->mclk_table.dpm_levels[dpm_table->mclk_table.count-1].value = mclk;
4059 
4060 	if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK)) {
4061 		ret = ci_populate_all_graphic_levels(adev);
4062 		if (ret)
4063 			return ret;
4064 	}
4065 
4066 	if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK | DPMTABLE_UPDATE_MCLK)) {
4067 		ret = ci_populate_all_memory_levels(adev);
4068 		if (ret)
4069 			return ret;
4070 	}
4071 
4072 	return 0;
4073 }
4074 
ci_enable_uvd_dpm(struct amdgpu_device * adev,bool enable)4075 static int ci_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
4076 {
4077 	struct ci_power_info *pi = ci_get_pi(adev);
4078 	const struct amdgpu_clock_and_voltage_limits *max_limits;
4079 	int i;
4080 
4081 	if (adev->pm.ac_power)
4082 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4083 	else
4084 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4085 
4086 	if (enable) {
4087 		pi->dpm_level_enable_mask.uvd_dpm_enable_mask = 0;
4088 
4089 		for (i = adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4090 			if (adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4091 				pi->dpm_level_enable_mask.uvd_dpm_enable_mask |= 1 << i;
4092 
4093 				if (!pi->caps_uvd_dpm)
4094 					break;
4095 			}
4096 		}
4097 
4098 		amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4099 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
4100 						  pi->dpm_level_enable_mask.uvd_dpm_enable_mask);
4101 
4102 		if (pi->last_mclk_dpm_enable_mask & 0x1) {
4103 			pi->uvd_enabled = true;
4104 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
4105 			amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4106 							  PPSMC_MSG_MCLKDPM_SetEnabledMask,
4107 							  pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
4108 		}
4109 	} else {
4110 		if (pi->uvd_enabled) {
4111 			pi->uvd_enabled = false;
4112 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1;
4113 			amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4114 							  PPSMC_MSG_MCLKDPM_SetEnabledMask,
4115 							  pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
4116 		}
4117 	}
4118 
4119 	return (amdgpu_ci_send_msg_to_smc(adev, enable ?
4120 				   PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable) == PPSMC_Result_OK) ?
4121 		0 : -EINVAL;
4122 }
4123 
ci_enable_vce_dpm(struct amdgpu_device * adev,bool enable)4124 static int ci_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
4125 {
4126 	struct ci_power_info *pi = ci_get_pi(adev);
4127 	const struct amdgpu_clock_and_voltage_limits *max_limits;
4128 	int i;
4129 
4130 	if (adev->pm.ac_power)
4131 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4132 	else
4133 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4134 
4135 	if (enable) {
4136 		pi->dpm_level_enable_mask.vce_dpm_enable_mask = 0;
4137 		for (i = adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4138 			if (adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4139 				pi->dpm_level_enable_mask.vce_dpm_enable_mask |= 1 << i;
4140 
4141 				if (!pi->caps_vce_dpm)
4142 					break;
4143 			}
4144 		}
4145 
4146 		amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4147 						  PPSMC_MSG_VCEDPM_SetEnabledMask,
4148 						  pi->dpm_level_enable_mask.vce_dpm_enable_mask);
4149 	}
4150 
4151 	return (amdgpu_ci_send_msg_to_smc(adev, enable ?
4152 				   PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable) == PPSMC_Result_OK) ?
4153 		0 : -EINVAL;
4154 }
4155 
4156 #if 0
4157 static int ci_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
4158 {
4159 	struct ci_power_info *pi = ci_get_pi(adev);
4160 	const struct amdgpu_clock_and_voltage_limits *max_limits;
4161 	int i;
4162 
4163 	if (adev->pm.ac_power)
4164 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4165 	else
4166 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4167 
4168 	if (enable) {
4169 		pi->dpm_level_enable_mask.samu_dpm_enable_mask = 0;
4170 		for (i = adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4171 			if (adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4172 				pi->dpm_level_enable_mask.samu_dpm_enable_mask |= 1 << i;
4173 
4174 				if (!pi->caps_samu_dpm)
4175 					break;
4176 			}
4177 		}
4178 
4179 		amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4180 						  PPSMC_MSG_SAMUDPM_SetEnabledMask,
4181 						  pi->dpm_level_enable_mask.samu_dpm_enable_mask);
4182 	}
4183 	return (amdgpu_ci_send_msg_to_smc(adev, enable ?
4184 				   PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable) == PPSMC_Result_OK) ?
4185 		0 : -EINVAL;
4186 }
4187 
4188 static int ci_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
4189 {
4190 	struct ci_power_info *pi = ci_get_pi(adev);
4191 	const struct amdgpu_clock_and_voltage_limits *max_limits;
4192 	int i;
4193 
4194 	if (adev->pm.ac_power)
4195 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4196 	else
4197 		max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4198 
4199 	if (enable) {
4200 		pi->dpm_level_enable_mask.acp_dpm_enable_mask = 0;
4201 		for (i = adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4202 			if (adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4203 				pi->dpm_level_enable_mask.acp_dpm_enable_mask |= 1 << i;
4204 
4205 				if (!pi->caps_acp_dpm)
4206 					break;
4207 			}
4208 		}
4209 
4210 		amdgpu_ci_send_msg_to_smc_with_parameter(adev,
4211 						  PPSMC_MSG_ACPDPM_SetEnabledMask,
4212 						  pi->dpm_level_enable_mask.acp_dpm_enable_mask);
4213 	}
4214 
4215 	return (amdgpu_ci_send_msg_to_smc(adev, enable ?
4216 				   PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable) == PPSMC_Result_OK) ?
4217 		0 : -EINVAL;
4218 }
4219 #endif
4220 
ci_update_uvd_dpm(struct amdgpu_device * adev,bool gate)4221 static int ci_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
4222 {
4223 	struct ci_power_info *pi = ci_get_pi(adev);
4224 	u32 tmp;
4225 	int ret = 0;
4226 
4227 	if (!gate) {
4228 		/* turn the clocks on when decoding */
4229 		if (pi->caps_uvd_dpm ||
4230 		    (adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count <= 0))
4231 			pi->smc_state_table.UvdBootLevel = 0;
4232 		else
4233 			pi->smc_state_table.UvdBootLevel =
4234 				adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1;
4235 
4236 		tmp = RREG32_SMC(ixDPM_TABLE_475);
4237 		tmp &= ~DPM_TABLE_475__UvdBootLevel_MASK;
4238 		tmp |= (pi->smc_state_table.UvdBootLevel << DPM_TABLE_475__UvdBootLevel__SHIFT);
4239 		WREG32_SMC(ixDPM_TABLE_475, tmp);
4240 		ret = ci_enable_uvd_dpm(adev, true);
4241 	} else {
4242 		ret = ci_enable_uvd_dpm(adev, false);
4243 		if (ret)
4244 			return ret;
4245 	}
4246 
4247 	return ret;
4248 }
4249 
ci_get_vce_boot_level(struct amdgpu_device * adev)4250 static u8 ci_get_vce_boot_level(struct amdgpu_device *adev)
4251 {
4252 	u8 i;
4253 	u32 min_evclk = 30000; /* ??? */
4254 	struct amdgpu_vce_clock_voltage_dependency_table *table =
4255 		&adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
4256 
4257 	for (i = 0; i < table->count; i++) {
4258 		if (table->entries[i].evclk >= min_evclk)
4259 			return i;
4260 	}
4261 
4262 	return table->count - 1;
4263 }
4264 
ci_update_vce_dpm(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)4265 static int ci_update_vce_dpm(struct amdgpu_device *adev,
4266 			     struct amdgpu_ps *amdgpu_new_state,
4267 			     struct amdgpu_ps *amdgpu_current_state)
4268 {
4269 	struct ci_power_info *pi = ci_get_pi(adev);
4270 	int ret = 0;
4271 	u32 tmp;
4272 
4273 	if (amdgpu_current_state->evclk != amdgpu_new_state->evclk) {
4274 		if (amdgpu_new_state->evclk) {
4275 			pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(adev);
4276 			tmp = RREG32_SMC(ixDPM_TABLE_475);
4277 			tmp &= ~DPM_TABLE_475__VceBootLevel_MASK;
4278 			tmp |= (pi->smc_state_table.VceBootLevel << DPM_TABLE_475__VceBootLevel__SHIFT);
4279 			WREG32_SMC(ixDPM_TABLE_475, tmp);
4280 
4281 			ret = ci_enable_vce_dpm(adev, true);
4282 		} else {
4283 			ret = ci_enable_vce_dpm(adev, false);
4284 			if (ret)
4285 				return ret;
4286 		}
4287 	}
4288 	return ret;
4289 }
4290 
4291 #if 0
4292 static int ci_update_samu_dpm(struct amdgpu_device *adev, bool gate)
4293 {
4294 	return ci_enable_samu_dpm(adev, gate);
4295 }
4296 
4297 static int ci_update_acp_dpm(struct amdgpu_device *adev, bool gate)
4298 {
4299 	struct ci_power_info *pi = ci_get_pi(adev);
4300 	u32 tmp;
4301 
4302 	if (!gate) {
4303 		pi->smc_state_table.AcpBootLevel = 0;
4304 
4305 		tmp = RREG32_SMC(ixDPM_TABLE_475);
4306 		tmp &= ~AcpBootLevel_MASK;
4307 		tmp |= AcpBootLevel(pi->smc_state_table.AcpBootLevel);
4308 		WREG32_SMC(ixDPM_TABLE_475, tmp);
4309 	}
4310 
4311 	return ci_enable_acp_dpm(adev, !gate);
4312 }
4313 #endif
4314 
ci_generate_dpm_level_enable_mask(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_state)4315 static int ci_generate_dpm_level_enable_mask(struct amdgpu_device *adev,
4316 					     struct amdgpu_ps *amdgpu_state)
4317 {
4318 	struct ci_power_info *pi = ci_get_pi(adev);
4319 	int ret;
4320 
4321 	ret = ci_trim_dpm_states(adev, amdgpu_state);
4322 	if (ret)
4323 		return ret;
4324 
4325 	pi->dpm_level_enable_mask.sclk_dpm_enable_mask =
4326 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.sclk_table);
4327 	pi->dpm_level_enable_mask.mclk_dpm_enable_mask =
4328 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.mclk_table);
4329 	pi->last_mclk_dpm_enable_mask =
4330 		pi->dpm_level_enable_mask.mclk_dpm_enable_mask;
4331 	if (pi->uvd_enabled) {
4332 		if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask & 1)
4333 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
4334 	}
4335 	pi->dpm_level_enable_mask.pcie_dpm_enable_mask =
4336 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.pcie_speed_table);
4337 
4338 	return 0;
4339 }
4340 
ci_get_lowest_enabled_level(struct amdgpu_device * adev,u32 level_mask)4341 static u32 ci_get_lowest_enabled_level(struct amdgpu_device *adev,
4342 				       u32 level_mask)
4343 {
4344 	u32 level = 0;
4345 
4346 	while ((level_mask & (1 << level)) == 0)
4347 		level++;
4348 
4349 	return level;
4350 }
4351 
4352 
ci_dpm_force_performance_level(void * handle,enum amd_dpm_forced_level level)4353 static int ci_dpm_force_performance_level(void *handle,
4354 					  enum amd_dpm_forced_level level)
4355 {
4356 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
4357 	struct ci_power_info *pi = ci_get_pi(adev);
4358 	u32 tmp, levels, i;
4359 	int ret;
4360 
4361 	if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
4362 		if ((!pi->pcie_dpm_key_disabled) &&
4363 		    pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
4364 			levels = 0;
4365 			tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask;
4366 			while (tmp >>= 1)
4367 				levels++;
4368 			if (levels) {
4369 				ret = ci_dpm_force_state_pcie(adev, level);
4370 				if (ret)
4371 					return ret;
4372 				for (i = 0; i < adev->usec_timeout; i++) {
4373 					tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_1) &
4374 					TARGET_AND_CURRENT_PROFILE_INDEX_1__CURR_PCIE_INDEX_MASK) >>
4375 					TARGET_AND_CURRENT_PROFILE_INDEX_1__CURR_PCIE_INDEX__SHIFT;
4376 					if (tmp == levels)
4377 						break;
4378 					udelay(1);
4379 				}
4380 			}
4381 		}
4382 		if ((!pi->sclk_dpm_key_disabled) &&
4383 		    pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
4384 			levels = 0;
4385 			tmp = pi->dpm_level_enable_mask.sclk_dpm_enable_mask;
4386 			while (tmp >>= 1)
4387 				levels++;
4388 			if (levels) {
4389 				ret = ci_dpm_force_state_sclk(adev, levels);
4390 				if (ret)
4391 					return ret;
4392 				for (i = 0; i < adev->usec_timeout; i++) {
4393 					tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
4394 					TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
4395 					TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
4396 					if (tmp == levels)
4397 						break;
4398 					udelay(1);
4399 				}
4400 			}
4401 		}
4402 		if ((!pi->mclk_dpm_key_disabled) &&
4403 		    pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
4404 			levels = 0;
4405 			tmp = pi->dpm_level_enable_mask.mclk_dpm_enable_mask;
4406 			while (tmp >>= 1)
4407 				levels++;
4408 			if (levels) {
4409 				ret = ci_dpm_force_state_mclk(adev, levels);
4410 				if (ret)
4411 					return ret;
4412 				for (i = 0; i < adev->usec_timeout; i++) {
4413 					tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
4414 					TARGET_AND_CURRENT_PROFILE_INDEX__CURR_MCLK_INDEX_MASK) >>
4415 					TARGET_AND_CURRENT_PROFILE_INDEX__CURR_MCLK_INDEX__SHIFT;
4416 					if (tmp == levels)
4417 						break;
4418 					udelay(1);
4419 				}
4420 			}
4421 		}
4422 	} else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
4423 		if ((!pi->sclk_dpm_key_disabled) &&
4424 		    pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
4425 			levels = ci_get_lowest_enabled_level(adev,
4426 							     pi->dpm_level_enable_mask.sclk_dpm_enable_mask);
4427 			ret = ci_dpm_force_state_sclk(adev, levels);
4428 			if (ret)
4429 				return ret;
4430 			for (i = 0; i < adev->usec_timeout; i++) {
4431 				tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
4432 				TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
4433 				TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
4434 				if (tmp == levels)
4435 					break;
4436 				udelay(1);
4437 			}
4438 		}
4439 		if ((!pi->mclk_dpm_key_disabled) &&
4440 		    pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
4441 			levels = ci_get_lowest_enabled_level(adev,
4442 							     pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
4443 			ret = ci_dpm_force_state_mclk(adev, levels);
4444 			if (ret)
4445 				return ret;
4446 			for (i = 0; i < adev->usec_timeout; i++) {
4447 				tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
4448 				TARGET_AND_CURRENT_PROFILE_INDEX__CURR_MCLK_INDEX_MASK) >>
4449 				TARGET_AND_CURRENT_PROFILE_INDEX__CURR_MCLK_INDEX__SHIFT;
4450 				if (tmp == levels)
4451 					break;
4452 				udelay(1);
4453 			}
4454 		}
4455 		if ((!pi->pcie_dpm_key_disabled) &&
4456 		    pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
4457 			levels = ci_get_lowest_enabled_level(adev,
4458 							     pi->dpm_level_enable_mask.pcie_dpm_enable_mask);
4459 			ret = ci_dpm_force_state_pcie(adev, levels);
4460 			if (ret)
4461 				return ret;
4462 			for (i = 0; i < adev->usec_timeout; i++) {
4463 				tmp = (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_1) &
4464 				TARGET_AND_CURRENT_PROFILE_INDEX_1__CURR_PCIE_INDEX_MASK) >>
4465 				TARGET_AND_CURRENT_PROFILE_INDEX_1__CURR_PCIE_INDEX__SHIFT;
4466 				if (tmp == levels)
4467 					break;
4468 				udelay(1);
4469 			}
4470 		}
4471 	} else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
4472 		if (!pi->pcie_dpm_key_disabled) {
4473 			PPSMC_Result smc_result;
4474 
4475 			smc_result = amdgpu_ci_send_msg_to_smc(adev,
4476 							       PPSMC_MSG_PCIeDPM_UnForceLevel);
4477 			if (smc_result != PPSMC_Result_OK)
4478 				return -EINVAL;
4479 		}
4480 		ret = ci_upload_dpm_level_enable_mask(adev);
4481 		if (ret)
4482 			return ret;
4483 	}
4484 
4485 	adev->pm.dpm.forced_level = level;
4486 
4487 	return 0;
4488 }
4489 
ci_set_mc_special_registers(struct amdgpu_device * adev,struct ci_mc_reg_table * table)4490 static int ci_set_mc_special_registers(struct amdgpu_device *adev,
4491 				       struct ci_mc_reg_table *table)
4492 {
4493 	u8 i, j, k;
4494 	u32 temp_reg;
4495 
4496 	for (i = 0, j = table->last; i < table->last; i++) {
4497 		if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4498 			return -EINVAL;
4499 		switch(table->mc_reg_address[i].s1) {
4500 		case mmMC_SEQ_MISC1:
4501 			temp_reg = RREG32(mmMC_PMG_CMD_EMRS);
4502 			table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS;
4503 			table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP;
4504 			for (k = 0; k < table->num_entries; k++) {
4505 				table->mc_reg_table_entry[k].mc_data[j] =
4506 					((temp_reg & 0xffff0000)) | ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
4507 			}
4508 			j++;
4509 
4510 			if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4511 				return -EINVAL;
4512 			temp_reg = RREG32(mmMC_PMG_CMD_MRS);
4513 			table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS;
4514 			table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP;
4515 			for (k = 0; k < table->num_entries; k++) {
4516 				table->mc_reg_table_entry[k].mc_data[j] =
4517 					(temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
4518 				if (adev->gmc.vram_type != AMDGPU_VRAM_TYPE_GDDR5)
4519 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
4520 			}
4521 			j++;
4522 
4523 			if (adev->gmc.vram_type != AMDGPU_VRAM_TYPE_GDDR5) {
4524 				if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4525 					return -EINVAL;
4526 				table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
4527 				table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
4528 				for (k = 0; k < table->num_entries; k++) {
4529 					table->mc_reg_table_entry[k].mc_data[j] =
4530 						(table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
4531 				}
4532 				j++;
4533 			}
4534 			break;
4535 		case mmMC_SEQ_RESERVE_M:
4536 			temp_reg = RREG32(mmMC_PMG_CMD_MRS1);
4537 			table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1;
4538 			table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP;
4539 			for (k = 0; k < table->num_entries; k++) {
4540 				table->mc_reg_table_entry[k].mc_data[j] =
4541 					(temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
4542 			}
4543 			j++;
4544 			break;
4545 		default:
4546 			break;
4547 		}
4548 
4549 	}
4550 
4551 	table->last = j;
4552 
4553 	return 0;
4554 }
4555 
ci_check_s0_mc_reg_index(u16 in_reg,u16 * out_reg)4556 static bool ci_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
4557 {
4558 	bool result = true;
4559 
4560 	switch(in_reg) {
4561 	case mmMC_SEQ_RAS_TIMING:
4562 		*out_reg = mmMC_SEQ_RAS_TIMING_LP;
4563 		break;
4564 	case mmMC_SEQ_DLL_STBY:
4565 		*out_reg = mmMC_SEQ_DLL_STBY_LP;
4566 		break;
4567 	case mmMC_SEQ_G5PDX_CMD0:
4568 		*out_reg = mmMC_SEQ_G5PDX_CMD0_LP;
4569 		break;
4570 	case mmMC_SEQ_G5PDX_CMD1:
4571 		*out_reg = mmMC_SEQ_G5PDX_CMD1_LP;
4572 		break;
4573 	case mmMC_SEQ_G5PDX_CTRL:
4574 		*out_reg = mmMC_SEQ_G5PDX_CTRL_LP;
4575 		break;
4576 	case mmMC_SEQ_CAS_TIMING:
4577 		*out_reg = mmMC_SEQ_CAS_TIMING_LP;
4578 	    break;
4579 	case mmMC_SEQ_MISC_TIMING:
4580 		*out_reg = mmMC_SEQ_MISC_TIMING_LP;
4581 		break;
4582 	case mmMC_SEQ_MISC_TIMING2:
4583 		*out_reg = mmMC_SEQ_MISC_TIMING2_LP;
4584 		break;
4585 	case mmMC_SEQ_PMG_DVS_CMD:
4586 		*out_reg = mmMC_SEQ_PMG_DVS_CMD_LP;
4587 		break;
4588 	case mmMC_SEQ_PMG_DVS_CTL:
4589 		*out_reg = mmMC_SEQ_PMG_DVS_CTL_LP;
4590 		break;
4591 	case mmMC_SEQ_RD_CTL_D0:
4592 		*out_reg = mmMC_SEQ_RD_CTL_D0_LP;
4593 		break;
4594 	case mmMC_SEQ_RD_CTL_D1:
4595 		*out_reg = mmMC_SEQ_RD_CTL_D1_LP;
4596 		break;
4597 	case mmMC_SEQ_WR_CTL_D0:
4598 		*out_reg = mmMC_SEQ_WR_CTL_D0_LP;
4599 		break;
4600 	case mmMC_SEQ_WR_CTL_D1:
4601 		*out_reg = mmMC_SEQ_WR_CTL_D1_LP;
4602 		break;
4603 	case mmMC_PMG_CMD_EMRS:
4604 		*out_reg = mmMC_SEQ_PMG_CMD_EMRS_LP;
4605 		break;
4606 	case mmMC_PMG_CMD_MRS:
4607 		*out_reg = mmMC_SEQ_PMG_CMD_MRS_LP;
4608 		break;
4609 	case mmMC_PMG_CMD_MRS1:
4610 		*out_reg = mmMC_SEQ_PMG_CMD_MRS1_LP;
4611 		break;
4612 	case mmMC_SEQ_PMG_TIMING:
4613 		*out_reg = mmMC_SEQ_PMG_TIMING_LP;
4614 		break;
4615 	case mmMC_PMG_CMD_MRS2:
4616 		*out_reg = mmMC_SEQ_PMG_CMD_MRS2_LP;
4617 		break;
4618 	case mmMC_SEQ_WR_CTL_2:
4619 		*out_reg = mmMC_SEQ_WR_CTL_2_LP;
4620 		break;
4621 	default:
4622 		result = false;
4623 		break;
4624 	}
4625 
4626 	return result;
4627 }
4628 
ci_set_valid_flag(struct ci_mc_reg_table * table)4629 static void ci_set_valid_flag(struct ci_mc_reg_table *table)
4630 {
4631 	u8 i, j;
4632 
4633 	for (i = 0; i < table->last; i++) {
4634 		for (j = 1; j < table->num_entries; j++) {
4635 			if (table->mc_reg_table_entry[j-1].mc_data[i] !=
4636 			    table->mc_reg_table_entry[j].mc_data[i]) {
4637 				table->valid_flag |= 1 << i;
4638 				break;
4639 			}
4640 		}
4641 	}
4642 }
4643 
ci_set_s0_mc_reg_index(struct ci_mc_reg_table * table)4644 static void ci_set_s0_mc_reg_index(struct ci_mc_reg_table *table)
4645 {
4646 	u32 i;
4647 	u16 address;
4648 
4649 	for (i = 0; i < table->last; i++) {
4650 		table->mc_reg_address[i].s0 =
4651 			ci_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
4652 			address : table->mc_reg_address[i].s1;
4653 	}
4654 }
4655 
ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table * table,struct ci_mc_reg_table * ci_table)4656 static int ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table *table,
4657 				      struct ci_mc_reg_table *ci_table)
4658 {
4659 	u8 i, j;
4660 
4661 	if (table->last > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4662 		return -EINVAL;
4663 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
4664 		return -EINVAL;
4665 
4666 	for (i = 0; i < table->last; i++)
4667 		ci_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
4668 
4669 	ci_table->last = table->last;
4670 
4671 	for (i = 0; i < table->num_entries; i++) {
4672 		ci_table->mc_reg_table_entry[i].mclk_max =
4673 			table->mc_reg_table_entry[i].mclk_max;
4674 		for (j = 0; j < table->last; j++)
4675 			ci_table->mc_reg_table_entry[i].mc_data[j] =
4676 				table->mc_reg_table_entry[i].mc_data[j];
4677 	}
4678 	ci_table->num_entries = table->num_entries;
4679 
4680 	return 0;
4681 }
4682 
ci_register_patching_mc_seq(struct amdgpu_device * adev,struct ci_mc_reg_table * table)4683 static int ci_register_patching_mc_seq(struct amdgpu_device *adev,
4684 				       struct ci_mc_reg_table *table)
4685 {
4686 	u8 i, k;
4687 	u32 tmp;
4688 	bool patch;
4689 
4690 	tmp = RREG32(mmMC_SEQ_MISC0);
4691 	patch = ((tmp & 0x0000f00) == 0x300) ? true : false;
4692 
4693 	if (patch &&
4694 	    ((adev->pdev->device == 0x67B0) ||
4695 	     (adev->pdev->device == 0x67B1))) {
4696 		for (i = 0; i < table->last; i++) {
4697 			if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4698 				return -EINVAL;
4699 			switch (table->mc_reg_address[i].s1) {
4700 			case mmMC_SEQ_MISC1:
4701 				for (k = 0; k < table->num_entries; k++) {
4702 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4703 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4704 						table->mc_reg_table_entry[k].mc_data[i] =
4705 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFF8) |
4706 							0x00000007;
4707 				}
4708 				break;
4709 			case mmMC_SEQ_WR_CTL_D0:
4710 				for (k = 0; k < table->num_entries; k++) {
4711 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4712 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4713 						table->mc_reg_table_entry[k].mc_data[i] =
4714 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
4715 							0x0000D0DD;
4716 				}
4717 				break;
4718 			case mmMC_SEQ_WR_CTL_D1:
4719 				for (k = 0; k < table->num_entries; k++) {
4720 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4721 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4722 						table->mc_reg_table_entry[k].mc_data[i] =
4723 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
4724 							0x0000D0DD;
4725 				}
4726 				break;
4727 			case mmMC_SEQ_WR_CTL_2:
4728 				for (k = 0; k < table->num_entries; k++) {
4729 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4730 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4731 						table->mc_reg_table_entry[k].mc_data[i] = 0;
4732 				}
4733 				break;
4734 			case mmMC_SEQ_CAS_TIMING:
4735 				for (k = 0; k < table->num_entries; k++) {
4736 					if (table->mc_reg_table_entry[k].mclk_max == 125000)
4737 						table->mc_reg_table_entry[k].mc_data[i] =
4738 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
4739 							0x000C0140;
4740 					else if (table->mc_reg_table_entry[k].mclk_max == 137500)
4741 						table->mc_reg_table_entry[k].mc_data[i] =
4742 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
4743 							0x000C0150;
4744 				}
4745 				break;
4746 			case mmMC_SEQ_MISC_TIMING:
4747 				for (k = 0; k < table->num_entries; k++) {
4748 					if (table->mc_reg_table_entry[k].mclk_max == 125000)
4749 						table->mc_reg_table_entry[k].mc_data[i] =
4750 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
4751 							0x00000030;
4752 					else if (table->mc_reg_table_entry[k].mclk_max == 137500)
4753 						table->mc_reg_table_entry[k].mc_data[i] =
4754 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
4755 							0x00000035;
4756 				}
4757 				break;
4758 			default:
4759 				break;
4760 			}
4761 		}
4762 
4763 		WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 3);
4764 		tmp = RREG32(mmMC_SEQ_IO_DEBUG_DATA);
4765 		tmp = (tmp & 0xFFF8FFFF) | (1 << 16);
4766 		WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 3);
4767 		WREG32(mmMC_SEQ_IO_DEBUG_DATA, tmp);
4768 	}
4769 
4770 	return 0;
4771 }
4772 
ci_initialize_mc_reg_table(struct amdgpu_device * adev)4773 static int ci_initialize_mc_reg_table(struct amdgpu_device *adev)
4774 {
4775 	struct ci_power_info *pi = ci_get_pi(adev);
4776 	struct atom_mc_reg_table *table;
4777 	struct ci_mc_reg_table *ci_table = &pi->mc_reg_table;
4778 	u8 module_index = ci_get_memory_module_index(adev);
4779 	int ret;
4780 
4781 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
4782 	if (!table)
4783 		return -ENOMEM;
4784 
4785 	WREG32(mmMC_SEQ_RAS_TIMING_LP, RREG32(mmMC_SEQ_RAS_TIMING));
4786 	WREG32(mmMC_SEQ_CAS_TIMING_LP, RREG32(mmMC_SEQ_CAS_TIMING));
4787 	WREG32(mmMC_SEQ_DLL_STBY_LP, RREG32(mmMC_SEQ_DLL_STBY));
4788 	WREG32(mmMC_SEQ_G5PDX_CMD0_LP, RREG32(mmMC_SEQ_G5PDX_CMD0));
4789 	WREG32(mmMC_SEQ_G5PDX_CMD1_LP, RREG32(mmMC_SEQ_G5PDX_CMD1));
4790 	WREG32(mmMC_SEQ_G5PDX_CTRL_LP, RREG32(mmMC_SEQ_G5PDX_CTRL));
4791 	WREG32(mmMC_SEQ_PMG_DVS_CMD_LP, RREG32(mmMC_SEQ_PMG_DVS_CMD));
4792 	WREG32(mmMC_SEQ_PMG_DVS_CTL_LP, RREG32(mmMC_SEQ_PMG_DVS_CTL));
4793 	WREG32(mmMC_SEQ_MISC_TIMING_LP, RREG32(mmMC_SEQ_MISC_TIMING));
4794 	WREG32(mmMC_SEQ_MISC_TIMING2_LP, RREG32(mmMC_SEQ_MISC_TIMING2));
4795 	WREG32(mmMC_SEQ_PMG_CMD_EMRS_LP, RREG32(mmMC_PMG_CMD_EMRS));
4796 	WREG32(mmMC_SEQ_PMG_CMD_MRS_LP, RREG32(mmMC_PMG_CMD_MRS));
4797 	WREG32(mmMC_SEQ_PMG_CMD_MRS1_LP, RREG32(mmMC_PMG_CMD_MRS1));
4798 	WREG32(mmMC_SEQ_WR_CTL_D0_LP, RREG32(mmMC_SEQ_WR_CTL_D0));
4799 	WREG32(mmMC_SEQ_WR_CTL_D1_LP, RREG32(mmMC_SEQ_WR_CTL_D1));
4800 	WREG32(mmMC_SEQ_RD_CTL_D0_LP, RREG32(mmMC_SEQ_RD_CTL_D0));
4801 	WREG32(mmMC_SEQ_RD_CTL_D1_LP, RREG32(mmMC_SEQ_RD_CTL_D1));
4802 	WREG32(mmMC_SEQ_PMG_TIMING_LP, RREG32(mmMC_SEQ_PMG_TIMING));
4803 	WREG32(mmMC_SEQ_PMG_CMD_MRS2_LP, RREG32(mmMC_PMG_CMD_MRS2));
4804 	WREG32(mmMC_SEQ_WR_CTL_2_LP, RREG32(mmMC_SEQ_WR_CTL_2));
4805 
4806 	ret = amdgpu_atombios_init_mc_reg_table(adev, module_index, table);
4807 	if (ret)
4808 		goto init_mc_done;
4809 
4810 	ret = ci_copy_vbios_mc_reg_table(table, ci_table);
4811 	if (ret)
4812 		goto init_mc_done;
4813 
4814 	ci_set_s0_mc_reg_index(ci_table);
4815 
4816 	ret = ci_register_patching_mc_seq(adev, ci_table);
4817 	if (ret)
4818 		goto init_mc_done;
4819 
4820 	ret = ci_set_mc_special_registers(adev, ci_table);
4821 	if (ret)
4822 		goto init_mc_done;
4823 
4824 	ci_set_valid_flag(ci_table);
4825 
4826 init_mc_done:
4827 	kfree(table);
4828 
4829 	return ret;
4830 }
4831 
ci_populate_mc_reg_addresses(struct amdgpu_device * adev,SMU7_Discrete_MCRegisters * mc_reg_table)4832 static int ci_populate_mc_reg_addresses(struct amdgpu_device *adev,
4833 					SMU7_Discrete_MCRegisters *mc_reg_table)
4834 {
4835 	struct ci_power_info *pi = ci_get_pi(adev);
4836 	u32 i, j;
4837 
4838 	for (i = 0, j = 0; j < pi->mc_reg_table.last; j++) {
4839 		if (pi->mc_reg_table.valid_flag & (1 << j)) {
4840 			if (i >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4841 				return -EINVAL;
4842 			mc_reg_table->address[i].s0 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s0);
4843 			mc_reg_table->address[i].s1 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s1);
4844 			i++;
4845 		}
4846 	}
4847 
4848 	mc_reg_table->last = (u8)i;
4849 
4850 	return 0;
4851 }
4852 
ci_convert_mc_registers(const struct ci_mc_reg_entry * entry,SMU7_Discrete_MCRegisterSet * data,u32 num_entries,u32 valid_flag)4853 static void ci_convert_mc_registers(const struct ci_mc_reg_entry *entry,
4854 				    SMU7_Discrete_MCRegisterSet *data,
4855 				    u32 num_entries, u32 valid_flag)
4856 {
4857 	u32 i, j;
4858 
4859 	for (i = 0, j = 0; j < num_entries; j++) {
4860 		if (valid_flag & (1 << j)) {
4861 			data->value[i] = cpu_to_be32(entry->mc_data[j]);
4862 			i++;
4863 		}
4864 	}
4865 }
4866 
ci_convert_mc_reg_table_entry_to_smc(struct amdgpu_device * adev,const u32 memory_clock,SMU7_Discrete_MCRegisterSet * mc_reg_table_data)4867 static void ci_convert_mc_reg_table_entry_to_smc(struct amdgpu_device *adev,
4868 						 const u32 memory_clock,
4869 						 SMU7_Discrete_MCRegisterSet *mc_reg_table_data)
4870 {
4871 	struct ci_power_info *pi = ci_get_pi(adev);
4872 	u32 i = 0;
4873 
4874 	for(i = 0; i < pi->mc_reg_table.num_entries; i++) {
4875 		if (memory_clock <= pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
4876 			break;
4877 	}
4878 
4879 	if ((i == pi->mc_reg_table.num_entries) && (i > 0))
4880 		--i;
4881 
4882 	ci_convert_mc_registers(&pi->mc_reg_table.mc_reg_table_entry[i],
4883 				mc_reg_table_data, pi->mc_reg_table.last,
4884 				pi->mc_reg_table.valid_flag);
4885 }
4886 
ci_convert_mc_reg_table_to_smc(struct amdgpu_device * adev,SMU7_Discrete_MCRegisters * mc_reg_table)4887 static void ci_convert_mc_reg_table_to_smc(struct amdgpu_device *adev,
4888 					   SMU7_Discrete_MCRegisters *mc_reg_table)
4889 {
4890 	struct ci_power_info *pi = ci_get_pi(adev);
4891 	u32 i;
4892 
4893 	for (i = 0; i < pi->dpm_table.mclk_table.count; i++)
4894 		ci_convert_mc_reg_table_entry_to_smc(adev,
4895 						     pi->dpm_table.mclk_table.dpm_levels[i].value,
4896 						     &mc_reg_table->data[i]);
4897 }
4898 
ci_populate_initial_mc_reg_table(struct amdgpu_device * adev)4899 static int ci_populate_initial_mc_reg_table(struct amdgpu_device *adev)
4900 {
4901 	struct ci_power_info *pi = ci_get_pi(adev);
4902 	int ret;
4903 
4904 	memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters));
4905 
4906 	ret = ci_populate_mc_reg_addresses(adev, &pi->smc_mc_reg_table);
4907 	if (ret)
4908 		return ret;
4909 	ci_convert_mc_reg_table_to_smc(adev, &pi->smc_mc_reg_table);
4910 
4911 	return amdgpu_ci_copy_bytes_to_smc(adev,
4912 				    pi->mc_reg_table_start,
4913 				    (u8 *)&pi->smc_mc_reg_table,
4914 				    sizeof(SMU7_Discrete_MCRegisters),
4915 				    pi->sram_end);
4916 }
4917 
ci_update_and_upload_mc_reg_table(struct amdgpu_device * adev)4918 static int ci_update_and_upload_mc_reg_table(struct amdgpu_device *adev)
4919 {
4920 	struct ci_power_info *pi = ci_get_pi(adev);
4921 
4922 	if (!(pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
4923 		return 0;
4924 
4925 	memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters));
4926 
4927 	ci_convert_mc_reg_table_to_smc(adev, &pi->smc_mc_reg_table);
4928 
4929 	return amdgpu_ci_copy_bytes_to_smc(adev,
4930 				    pi->mc_reg_table_start +
4931 				    offsetof(SMU7_Discrete_MCRegisters, data[0]),
4932 				    (u8 *)&pi->smc_mc_reg_table.data[0],
4933 				    sizeof(SMU7_Discrete_MCRegisterSet) *
4934 				    pi->dpm_table.mclk_table.count,
4935 				    pi->sram_end);
4936 }
4937 
ci_enable_voltage_control(struct amdgpu_device * adev)4938 static void ci_enable_voltage_control(struct amdgpu_device *adev)
4939 {
4940 	u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
4941 
4942 	tmp |= GENERAL_PWRMGT__VOLT_PWRMGT_EN_MASK;
4943 	WREG32_SMC(ixGENERAL_PWRMGT, tmp);
4944 }
4945 
ci_get_maximum_link_speed(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_state)4946 static enum amdgpu_pcie_gen ci_get_maximum_link_speed(struct amdgpu_device *adev,
4947 						      struct amdgpu_ps *amdgpu_state)
4948 {
4949 	struct ci_ps *state = ci_get_ps(amdgpu_state);
4950 	int i;
4951 	u16 pcie_speed, max_speed = 0;
4952 
4953 	for (i = 0; i < state->performance_level_count; i++) {
4954 		pcie_speed = state->performance_levels[i].pcie_gen;
4955 		if (max_speed < pcie_speed)
4956 			max_speed = pcie_speed;
4957 	}
4958 
4959 	return max_speed;
4960 }
4961 
ci_get_current_pcie_speed(struct amdgpu_device * adev)4962 static u16 ci_get_current_pcie_speed(struct amdgpu_device *adev)
4963 {
4964 	u32 speed_cntl = 0;
4965 
4966 	speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL) &
4967 		PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK;
4968 	speed_cntl >>= PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
4969 
4970 	return (u16)speed_cntl;
4971 }
4972 
ci_get_current_pcie_lane_number(struct amdgpu_device * adev)4973 static int ci_get_current_pcie_lane_number(struct amdgpu_device *adev)
4974 {
4975 	u32 link_width = 0;
4976 
4977 	link_width = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL) &
4978 		PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK;
4979 	link_width >>= PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT;
4980 
4981 	switch (link_width) {
4982 	case 1:
4983 		return 1;
4984 	case 2:
4985 		return 2;
4986 	case 3:
4987 		return 4;
4988 	case 4:
4989 		return 8;
4990 	case 0:
4991 	case 6:
4992 	default:
4993 		return 16;
4994 	}
4995 }
4996 
ci_request_link_speed_change_before_state_change(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)4997 static void ci_request_link_speed_change_before_state_change(struct amdgpu_device *adev,
4998 							     struct amdgpu_ps *amdgpu_new_state,
4999 							     struct amdgpu_ps *amdgpu_current_state)
5000 {
5001 	struct ci_power_info *pi = ci_get_pi(adev);
5002 	enum amdgpu_pcie_gen target_link_speed =
5003 		ci_get_maximum_link_speed(adev, amdgpu_new_state);
5004 	enum amdgpu_pcie_gen current_link_speed;
5005 
5006 	if (pi->force_pcie_gen == AMDGPU_PCIE_GEN_INVALID)
5007 		current_link_speed = ci_get_maximum_link_speed(adev, amdgpu_current_state);
5008 	else
5009 		current_link_speed = pi->force_pcie_gen;
5010 
5011 	pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
5012 	pi->pspp_notify_required = false;
5013 	if (target_link_speed > current_link_speed) {
5014 		switch (target_link_speed) {
5015 #ifdef CONFIG_ACPI
5016 		case AMDGPU_PCIE_GEN3:
5017 			if (amdgpu_acpi_pcie_performance_request(adev, PCIE_PERF_REQ_PECI_GEN3, false) == 0)
5018 				break;
5019 			pi->force_pcie_gen = AMDGPU_PCIE_GEN2;
5020 			if (current_link_speed == AMDGPU_PCIE_GEN2)
5021 				break;
5022 		case AMDGPU_PCIE_GEN2:
5023 			if (amdgpu_acpi_pcie_performance_request(adev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
5024 				break;
5025 #endif
5026 		default:
5027 			pi->force_pcie_gen = ci_get_current_pcie_speed(adev);
5028 			break;
5029 		}
5030 	} else {
5031 		if (target_link_speed < current_link_speed)
5032 			pi->pspp_notify_required = true;
5033 	}
5034 }
5035 
ci_notify_link_speed_change_after_state_change(struct amdgpu_device * adev,struct amdgpu_ps * amdgpu_new_state,struct amdgpu_ps * amdgpu_current_state)5036 static void ci_notify_link_speed_change_after_state_change(struct amdgpu_device *adev,
5037 							   struct amdgpu_ps *amdgpu_new_state,
5038 							   struct amdgpu_ps *amdgpu_current_state)
5039 {
5040 	struct ci_power_info *pi = ci_get_pi(adev);
5041 	enum amdgpu_pcie_gen target_link_speed =
5042 		ci_get_maximum_link_speed(adev, amdgpu_new_state);
5043 	u8 request;
5044 
5045 	if (pi->pspp_notify_required) {
5046 		if (target_link_speed == AMDGPU_PCIE_GEN3)
5047 			request = PCIE_PERF_REQ_PECI_GEN3;
5048 		else if (target_link_speed == AMDGPU_PCIE_GEN2)
5049 			request = PCIE_PERF_REQ_PECI_GEN2;
5050 		else
5051 			request = PCIE_PERF_REQ_PECI_GEN1;
5052 
5053 		if ((request == PCIE_PERF_REQ_PECI_GEN1) &&
5054 		    (ci_get_current_pcie_speed(adev) > 0))
5055 			return;
5056 
5057 #ifdef CONFIG_ACPI
5058 		amdgpu_acpi_pcie_performance_request(adev, request, false);
5059 #endif
5060 	}
5061 }
5062 
ci_set_private_data_variables_based_on_pptable(struct amdgpu_device * adev)5063 static int ci_set_private_data_variables_based_on_pptable(struct amdgpu_device *adev)
5064 {
5065 	struct ci_power_info *pi = ci_get_pi(adev);
5066 	struct amdgpu_clock_voltage_dependency_table *allowed_sclk_vddc_table =
5067 		&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
5068 	struct amdgpu_clock_voltage_dependency_table *allowed_mclk_vddc_table =
5069 		&adev->pm.dpm.dyn_state.vddc_dependency_on_mclk;
5070 	struct amdgpu_clock_voltage_dependency_table *allowed_mclk_vddci_table =
5071 		&adev->pm.dpm.dyn_state.vddci_dependency_on_mclk;
5072 
5073 	if (allowed_sclk_vddc_table == NULL)
5074 		return -EINVAL;
5075 	if (allowed_sclk_vddc_table->count < 1)
5076 		return -EINVAL;
5077 	if (allowed_mclk_vddc_table == NULL)
5078 		return -EINVAL;
5079 	if (allowed_mclk_vddc_table->count < 1)
5080 		return -EINVAL;
5081 	if (allowed_mclk_vddci_table == NULL)
5082 		return -EINVAL;
5083 	if (allowed_mclk_vddci_table->count < 1)
5084 		return -EINVAL;
5085 
5086 	pi->min_vddc_in_pp_table = allowed_sclk_vddc_table->entries[0].v;
5087 	pi->max_vddc_in_pp_table =
5088 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
5089 
5090 	pi->min_vddci_in_pp_table = allowed_mclk_vddci_table->entries[0].v;
5091 	pi->max_vddci_in_pp_table =
5092 		allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
5093 
5094 	adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk =
5095 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
5096 	adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk =
5097 		allowed_mclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
5098 	adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc =
5099 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
5100 	adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci =
5101 		allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
5102 
5103 	return 0;
5104 }
5105 
ci_patch_with_vddc_leakage(struct amdgpu_device * adev,u16 * vddc)5106 static void ci_patch_with_vddc_leakage(struct amdgpu_device *adev, u16 *vddc)
5107 {
5108 	struct ci_power_info *pi = ci_get_pi(adev);
5109 	struct ci_leakage_voltage *leakage_table = &pi->vddc_leakage;
5110 	u32 leakage_index;
5111 
5112 	for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
5113 		if (leakage_table->leakage_id[leakage_index] == *vddc) {
5114 			*vddc = leakage_table->actual_voltage[leakage_index];
5115 			break;
5116 		}
5117 	}
5118 }
5119 
ci_patch_with_vddci_leakage(struct amdgpu_device * adev,u16 * vddci)5120 static void ci_patch_with_vddci_leakage(struct amdgpu_device *adev, u16 *vddci)
5121 {
5122 	struct ci_power_info *pi = ci_get_pi(adev);
5123 	struct ci_leakage_voltage *leakage_table = &pi->vddci_leakage;
5124 	u32 leakage_index;
5125 
5126 	for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
5127 		if (leakage_table->leakage_id[leakage_index] == *vddci) {
5128 			*vddci = leakage_table->actual_voltage[leakage_index];
5129 			break;
5130 		}
5131 	}
5132 }
5133 
ci_patch_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_clock_voltage_dependency_table * table)5134 static void ci_patch_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device *adev,
5135 								      struct amdgpu_clock_voltage_dependency_table *table)
5136 {
5137 	u32 i;
5138 
5139 	if (table) {
5140 		for (i = 0; i < table->count; i++)
5141 			ci_patch_with_vddc_leakage(adev, &table->entries[i].v);
5142 	}
5143 }
5144 
ci_patch_clock_voltage_dependency_table_with_vddci_leakage(struct amdgpu_device * adev,struct amdgpu_clock_voltage_dependency_table * table)5145 static void ci_patch_clock_voltage_dependency_table_with_vddci_leakage(struct amdgpu_device *adev,
5146 								       struct amdgpu_clock_voltage_dependency_table *table)
5147 {
5148 	u32 i;
5149 
5150 	if (table) {
5151 		for (i = 0; i < table->count; i++)
5152 			ci_patch_with_vddci_leakage(adev, &table->entries[i].v);
5153 	}
5154 }
5155 
ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_vce_clock_voltage_dependency_table * table)5156 static void ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device *adev,
5157 									  struct amdgpu_vce_clock_voltage_dependency_table *table)
5158 {
5159 	u32 i;
5160 
5161 	if (table) {
5162 		for (i = 0; i < table->count; i++)
5163 			ci_patch_with_vddc_leakage(adev, &table->entries[i].v);
5164 	}
5165 }
5166 
ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_uvd_clock_voltage_dependency_table * table)5167 static void ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(struct amdgpu_device *adev,
5168 									  struct amdgpu_uvd_clock_voltage_dependency_table *table)
5169 {
5170 	u32 i;
5171 
5172 	if (table) {
5173 		for (i = 0; i < table->count; i++)
5174 			ci_patch_with_vddc_leakage(adev, &table->entries[i].v);
5175 	}
5176 }
5177 
ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_phase_shedding_limits_table * table)5178 static void ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(struct amdgpu_device *adev,
5179 								   struct amdgpu_phase_shedding_limits_table *table)
5180 {
5181 	u32 i;
5182 
5183 	if (table) {
5184 		for (i = 0; i < table->count; i++)
5185 			ci_patch_with_vddc_leakage(adev, &table->entries[i].voltage);
5186 	}
5187 }
5188 
ci_patch_clock_voltage_limits_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_clock_and_voltage_limits * table)5189 static void ci_patch_clock_voltage_limits_with_vddc_leakage(struct amdgpu_device *adev,
5190 							    struct amdgpu_clock_and_voltage_limits *table)
5191 {
5192 	if (table) {
5193 		ci_patch_with_vddc_leakage(adev, (u16 *)&table->vddc);
5194 		ci_patch_with_vddci_leakage(adev, (u16 *)&table->vddci);
5195 	}
5196 }
5197 
ci_patch_cac_leakage_table_with_vddc_leakage(struct amdgpu_device * adev,struct amdgpu_cac_leakage_table * table)5198 static void ci_patch_cac_leakage_table_with_vddc_leakage(struct amdgpu_device *adev,
5199 							 struct amdgpu_cac_leakage_table *table)
5200 {
5201 	u32 i;
5202 
5203 	if (table) {
5204 		for (i = 0; i < table->count; i++)
5205 			ci_patch_with_vddc_leakage(adev, &table->entries[i].vddc);
5206 	}
5207 }
5208 
ci_patch_dependency_tables_with_leakage(struct amdgpu_device * adev)5209 static void ci_patch_dependency_tables_with_leakage(struct amdgpu_device *adev)
5210 {
5211 
5212 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(adev,
5213 								  &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
5214 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(adev,
5215 								  &adev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
5216 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(adev,
5217 								  &adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk);
5218 	ci_patch_clock_voltage_dependency_table_with_vddci_leakage(adev,
5219 								   &adev->pm.dpm.dyn_state.vddci_dependency_on_mclk);
5220 	ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(adev,
5221 								      &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table);
5222 	ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(adev,
5223 								      &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table);
5224 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(adev,
5225 								  &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table);
5226 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(adev,
5227 								  &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table);
5228 	ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(adev,
5229 							       &adev->pm.dpm.dyn_state.phase_shedding_limits_table);
5230 	ci_patch_clock_voltage_limits_with_vddc_leakage(adev,
5231 							&adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
5232 	ci_patch_clock_voltage_limits_with_vddc_leakage(adev,
5233 							&adev->pm.dpm.dyn_state.max_clock_voltage_on_dc);
5234 	ci_patch_cac_leakage_table_with_vddc_leakage(adev,
5235 						     &adev->pm.dpm.dyn_state.cac_leakage_table);
5236 
5237 }
5238 
ci_update_current_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)5239 static void ci_update_current_ps(struct amdgpu_device *adev,
5240 				 struct amdgpu_ps *rps)
5241 {
5242 	struct ci_ps *new_ps = ci_get_ps(rps);
5243 	struct ci_power_info *pi = ci_get_pi(adev);
5244 
5245 	pi->current_rps = *rps;
5246 	pi->current_ps = *new_ps;
5247 	pi->current_rps.ps_priv = &pi->current_ps;
5248 	adev->pm.dpm.current_ps = &pi->current_rps;
5249 }
5250 
ci_update_requested_ps(struct amdgpu_device * adev,struct amdgpu_ps * rps)5251 static void ci_update_requested_ps(struct amdgpu_device *adev,
5252 				   struct amdgpu_ps *rps)
5253 {
5254 	struct ci_ps *new_ps = ci_get_ps(rps);
5255 	struct ci_power_info *pi = ci_get_pi(adev);
5256 
5257 	pi->requested_rps = *rps;
5258 	pi->requested_ps = *new_ps;
5259 	pi->requested_rps.ps_priv = &pi->requested_ps;
5260 	adev->pm.dpm.requested_ps = &pi->requested_rps;
5261 }
5262 
ci_dpm_pre_set_power_state(void * handle)5263 static int ci_dpm_pre_set_power_state(void *handle)
5264 {
5265 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
5266 	struct ci_power_info *pi = ci_get_pi(adev);
5267 	struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
5268 	struct amdgpu_ps *new_ps = &requested_ps;
5269 
5270 	ci_update_requested_ps(adev, new_ps);
5271 
5272 	ci_apply_state_adjust_rules(adev, &pi->requested_rps);
5273 
5274 	return 0;
5275 }
5276 
ci_dpm_post_set_power_state(void * handle)5277 static void ci_dpm_post_set_power_state(void *handle)
5278 {
5279 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
5280 	struct ci_power_info *pi = ci_get_pi(adev);
5281 	struct amdgpu_ps *new_ps = &pi->requested_rps;
5282 
5283 	ci_update_current_ps(adev, new_ps);
5284 }
5285 
5286 
ci_dpm_setup_asic(struct amdgpu_device * adev)5287 static void ci_dpm_setup_asic(struct amdgpu_device *adev)
5288 {
5289 	ci_read_clock_registers(adev);
5290 	ci_enable_acpi_power_management(adev);
5291 	ci_init_sclk_t(adev);
5292 }
5293 
ci_dpm_enable(struct amdgpu_device * adev)5294 static int ci_dpm_enable(struct amdgpu_device *adev)
5295 {
5296 	struct ci_power_info *pi = ci_get_pi(adev);
5297 	struct amdgpu_ps *boot_ps = adev->pm.dpm.boot_ps;
5298 	int ret;
5299 
5300 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
5301 		ci_enable_voltage_control(adev);
5302 		ret = ci_construct_voltage_tables(adev);
5303 		if (ret) {
5304 			DRM_ERROR("ci_construct_voltage_tables failed\n");
5305 			return ret;
5306 		}
5307 	}
5308 	if (pi->caps_dynamic_ac_timing) {
5309 		ret = ci_initialize_mc_reg_table(adev);
5310 		if (ret)
5311 			pi->caps_dynamic_ac_timing = false;
5312 	}
5313 	if (pi->dynamic_ss)
5314 		ci_enable_spread_spectrum(adev, true);
5315 	if (pi->thermal_protection)
5316 		ci_enable_thermal_protection(adev, true);
5317 	ci_program_sstp(adev);
5318 	ci_enable_display_gap(adev);
5319 	ci_program_vc(adev);
5320 	ret = ci_upload_firmware(adev);
5321 	if (ret) {
5322 		DRM_ERROR("ci_upload_firmware failed\n");
5323 		return ret;
5324 	}
5325 	ret = ci_process_firmware_header(adev);
5326 	if (ret) {
5327 		DRM_ERROR("ci_process_firmware_header failed\n");
5328 		return ret;
5329 	}
5330 	ret = ci_initial_switch_from_arb_f0_to_f1(adev);
5331 	if (ret) {
5332 		DRM_ERROR("ci_initial_switch_from_arb_f0_to_f1 failed\n");
5333 		return ret;
5334 	}
5335 	ret = ci_init_smc_table(adev);
5336 	if (ret) {
5337 		DRM_ERROR("ci_init_smc_table failed\n");
5338 		return ret;
5339 	}
5340 	ret = ci_init_arb_table_index(adev);
5341 	if (ret) {
5342 		DRM_ERROR("ci_init_arb_table_index failed\n");
5343 		return ret;
5344 	}
5345 	if (pi->caps_dynamic_ac_timing) {
5346 		ret = ci_populate_initial_mc_reg_table(adev);
5347 		if (ret) {
5348 			DRM_ERROR("ci_populate_initial_mc_reg_table failed\n");
5349 			return ret;
5350 		}
5351 	}
5352 	ret = ci_populate_pm_base(adev);
5353 	if (ret) {
5354 		DRM_ERROR("ci_populate_pm_base failed\n");
5355 		return ret;
5356 	}
5357 	ci_dpm_start_smc(adev);
5358 	ci_enable_vr_hot_gpio_interrupt(adev);
5359 	ret = ci_notify_smc_display_change(adev, false);
5360 	if (ret) {
5361 		DRM_ERROR("ci_notify_smc_display_change failed\n");
5362 		return ret;
5363 	}
5364 	ci_enable_sclk_control(adev, true);
5365 	ret = ci_enable_ulv(adev, true);
5366 	if (ret) {
5367 		DRM_ERROR("ci_enable_ulv failed\n");
5368 		return ret;
5369 	}
5370 	ret = ci_enable_ds_master_switch(adev, true);
5371 	if (ret) {
5372 		DRM_ERROR("ci_enable_ds_master_switch failed\n");
5373 		return ret;
5374 	}
5375 	ret = ci_start_dpm(adev);
5376 	if (ret) {
5377 		DRM_ERROR("ci_start_dpm failed\n");
5378 		return ret;
5379 	}
5380 	ret = ci_enable_didt(adev, true);
5381 	if (ret) {
5382 		DRM_ERROR("ci_enable_didt failed\n");
5383 		return ret;
5384 	}
5385 	ret = ci_enable_smc_cac(adev, true);
5386 	if (ret) {
5387 		DRM_ERROR("ci_enable_smc_cac failed\n");
5388 		return ret;
5389 	}
5390 	ret = ci_enable_power_containment(adev, true);
5391 	if (ret) {
5392 		DRM_ERROR("ci_enable_power_containment failed\n");
5393 		return ret;
5394 	}
5395 
5396 	ret = ci_power_control_set_level(adev);
5397 	if (ret) {
5398 		DRM_ERROR("ci_power_control_set_level failed\n");
5399 		return ret;
5400 	}
5401 
5402 	ci_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
5403 
5404 	ret = ci_enable_thermal_based_sclk_dpm(adev, true);
5405 	if (ret) {
5406 		DRM_ERROR("ci_enable_thermal_based_sclk_dpm failed\n");
5407 		return ret;
5408 	}
5409 
5410 	ci_thermal_start_thermal_controller(adev);
5411 
5412 	ci_update_current_ps(adev, boot_ps);
5413 
5414 	return 0;
5415 }
5416 
ci_dpm_disable(struct amdgpu_device * adev)5417 static void ci_dpm_disable(struct amdgpu_device *adev)
5418 {
5419 	struct ci_power_info *pi = ci_get_pi(adev);
5420 	struct amdgpu_ps *boot_ps = adev->pm.dpm.boot_ps;
5421 
5422 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
5423 		       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
5424 	amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
5425 		       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
5426 
5427 	ci_dpm_powergate_uvd(adev, true);
5428 
5429 	if (!amdgpu_ci_is_smc_running(adev))
5430 		return;
5431 
5432 	ci_thermal_stop_thermal_controller(adev);
5433 
5434 	if (pi->thermal_protection)
5435 		ci_enable_thermal_protection(adev, false);
5436 	ci_enable_power_containment(adev, false);
5437 	ci_enable_smc_cac(adev, false);
5438 	ci_enable_didt(adev, false);
5439 	ci_enable_spread_spectrum(adev, false);
5440 	ci_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
5441 	ci_stop_dpm(adev);
5442 	ci_enable_ds_master_switch(adev, false);
5443 	ci_enable_ulv(adev, false);
5444 	ci_clear_vc(adev);
5445 	ci_reset_to_default(adev);
5446 	ci_dpm_stop_smc(adev);
5447 	ci_force_switch_to_arb_f0(adev);
5448 	ci_enable_thermal_based_sclk_dpm(adev, false);
5449 
5450 	ci_update_current_ps(adev, boot_ps);
5451 }
5452 
ci_dpm_set_power_state(void * handle)5453 static int ci_dpm_set_power_state(void *handle)
5454 {
5455 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
5456 	struct ci_power_info *pi = ci_get_pi(adev);
5457 	struct amdgpu_ps *new_ps = &pi->requested_rps;
5458 	struct amdgpu_ps *old_ps = &pi->current_rps;
5459 	int ret;
5460 
5461 	ci_find_dpm_states_clocks_in_dpm_table(adev, new_ps);
5462 	if (pi->pcie_performance_request)
5463 		ci_request_link_speed_change_before_state_change(adev, new_ps, old_ps);
5464 	ret = ci_freeze_sclk_mclk_dpm(adev);
5465 	if (ret) {
5466 		DRM_ERROR("ci_freeze_sclk_mclk_dpm failed\n");
5467 		return ret;
5468 	}
5469 	ret = ci_populate_and_upload_sclk_mclk_dpm_levels(adev, new_ps);
5470 	if (ret) {
5471 		DRM_ERROR("ci_populate_and_upload_sclk_mclk_dpm_levels failed\n");
5472 		return ret;
5473 	}
5474 	ret = ci_generate_dpm_level_enable_mask(adev, new_ps);
5475 	if (ret) {
5476 		DRM_ERROR("ci_generate_dpm_level_enable_mask failed\n");
5477 		return ret;
5478 	}
5479 
5480 	ret = ci_update_vce_dpm(adev, new_ps, old_ps);
5481 	if (ret) {
5482 		DRM_ERROR("ci_update_vce_dpm failed\n");
5483 		return ret;
5484 	}
5485 
5486 	ret = ci_update_sclk_t(adev);
5487 	if (ret) {
5488 		DRM_ERROR("ci_update_sclk_t failed\n");
5489 		return ret;
5490 	}
5491 	if (pi->caps_dynamic_ac_timing) {
5492 		ret = ci_update_and_upload_mc_reg_table(adev);
5493 		if (ret) {
5494 			DRM_ERROR("ci_update_and_upload_mc_reg_table failed\n");
5495 			return ret;
5496 		}
5497 	}
5498 	ret = ci_program_memory_timing_parameters(adev);
5499 	if (ret) {
5500 		DRM_ERROR("ci_program_memory_timing_parameters failed\n");
5501 		return ret;
5502 	}
5503 	ret = ci_unfreeze_sclk_mclk_dpm(adev);
5504 	if (ret) {
5505 		DRM_ERROR("ci_unfreeze_sclk_mclk_dpm failed\n");
5506 		return ret;
5507 	}
5508 	ret = ci_upload_dpm_level_enable_mask(adev);
5509 	if (ret) {
5510 		DRM_ERROR("ci_upload_dpm_level_enable_mask failed\n");
5511 		return ret;
5512 	}
5513 	if (pi->pcie_performance_request)
5514 		ci_notify_link_speed_change_after_state_change(adev, new_ps, old_ps);
5515 
5516 	return 0;
5517 }
5518 
5519 #if 0
5520 static void ci_dpm_reset_asic(struct amdgpu_device *adev)
5521 {
5522 	ci_set_boot_state(adev);
5523 }
5524 #endif
5525 
ci_dpm_display_configuration_changed(void * handle)5526 static void ci_dpm_display_configuration_changed(void *handle)
5527 {
5528 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
5529 
5530 	ci_program_display_gap(adev);
5531 }
5532 
5533 union power_info {
5534 	struct _ATOM_POWERPLAY_INFO info;
5535 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
5536 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
5537 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
5538 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
5539 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
5540 };
5541 
5542 union pplib_clock_info {
5543 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
5544 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
5545 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
5546 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
5547 	struct _ATOM_PPLIB_SI_CLOCK_INFO si;
5548 	struct _ATOM_PPLIB_CI_CLOCK_INFO ci;
5549 };
5550 
5551 union pplib_power_state {
5552 	struct _ATOM_PPLIB_STATE v1;
5553 	struct _ATOM_PPLIB_STATE_V2 v2;
5554 };
5555 
ci_parse_pplib_non_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,struct _ATOM_PPLIB_NONCLOCK_INFO * non_clock_info,u8 table_rev)5556 static void ci_parse_pplib_non_clock_info(struct amdgpu_device *adev,
5557 					  struct amdgpu_ps *rps,
5558 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
5559 					  u8 table_rev)
5560 {
5561 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
5562 	rps->class = le16_to_cpu(non_clock_info->usClassification);
5563 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
5564 
5565 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
5566 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
5567 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
5568 	} else {
5569 		rps->vclk = 0;
5570 		rps->dclk = 0;
5571 	}
5572 
5573 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
5574 		adev->pm.dpm.boot_ps = rps;
5575 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
5576 		adev->pm.dpm.uvd_ps = rps;
5577 }
5578 
ci_parse_pplib_clock_info(struct amdgpu_device * adev,struct amdgpu_ps * rps,int index,union pplib_clock_info * clock_info)5579 static void ci_parse_pplib_clock_info(struct amdgpu_device *adev,
5580 				      struct amdgpu_ps *rps, int index,
5581 				      union pplib_clock_info *clock_info)
5582 {
5583 	struct ci_power_info *pi = ci_get_pi(adev);
5584 	struct ci_ps *ps = ci_get_ps(rps);
5585 	struct ci_pl *pl = &ps->performance_levels[index];
5586 
5587 	ps->performance_level_count = index + 1;
5588 
5589 	pl->sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
5590 	pl->sclk |= clock_info->ci.ucEngineClockHigh << 16;
5591 	pl->mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
5592 	pl->mclk |= clock_info->ci.ucMemoryClockHigh << 16;
5593 
5594 	pl->pcie_gen = amdgpu_get_pcie_gen_support(adev,
5595 						   pi->sys_pcie_mask,
5596 						   pi->vbios_boot_state.pcie_gen_bootup_value,
5597 						   clock_info->ci.ucPCIEGen);
5598 	pl->pcie_lane = amdgpu_get_pcie_lane_support(adev,
5599 						     pi->vbios_boot_state.pcie_lane_bootup_value,
5600 						     le16_to_cpu(clock_info->ci.usPCIELane));
5601 
5602 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
5603 		pi->acpi_pcie_gen = pl->pcie_gen;
5604 	}
5605 
5606 	if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
5607 		pi->ulv.supported = true;
5608 		pi->ulv.pl = *pl;
5609 		pi->ulv.cg_ulv_parameter = CISLANDS_CGULVPARAMETER_DFLT;
5610 	}
5611 
5612 	/* patch up boot state */
5613 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
5614 		pl->mclk = pi->vbios_boot_state.mclk_bootup_value;
5615 		pl->sclk = pi->vbios_boot_state.sclk_bootup_value;
5616 		pl->pcie_gen = pi->vbios_boot_state.pcie_gen_bootup_value;
5617 		pl->pcie_lane = pi->vbios_boot_state.pcie_lane_bootup_value;
5618 	}
5619 
5620 	switch (rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
5621 	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
5622 		pi->use_pcie_powersaving_levels = true;
5623 		if (pi->pcie_gen_powersaving.max < pl->pcie_gen)
5624 			pi->pcie_gen_powersaving.max = pl->pcie_gen;
5625 		if (pi->pcie_gen_powersaving.min > pl->pcie_gen)
5626 			pi->pcie_gen_powersaving.min = pl->pcie_gen;
5627 		if (pi->pcie_lane_powersaving.max < pl->pcie_lane)
5628 			pi->pcie_lane_powersaving.max = pl->pcie_lane;
5629 		if (pi->pcie_lane_powersaving.min > pl->pcie_lane)
5630 			pi->pcie_lane_powersaving.min = pl->pcie_lane;
5631 		break;
5632 	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
5633 		pi->use_pcie_performance_levels = true;
5634 		if (pi->pcie_gen_performance.max < pl->pcie_gen)
5635 			pi->pcie_gen_performance.max = pl->pcie_gen;
5636 		if (pi->pcie_gen_performance.min > pl->pcie_gen)
5637 			pi->pcie_gen_performance.min = pl->pcie_gen;
5638 		if (pi->pcie_lane_performance.max < pl->pcie_lane)
5639 			pi->pcie_lane_performance.max = pl->pcie_lane;
5640 		if (pi->pcie_lane_performance.min > pl->pcie_lane)
5641 			pi->pcie_lane_performance.min = pl->pcie_lane;
5642 		break;
5643 	default:
5644 		break;
5645 	}
5646 }
5647 
ci_parse_power_table(struct amdgpu_device * adev)5648 static int ci_parse_power_table(struct amdgpu_device *adev)
5649 {
5650 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
5651 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
5652 	union pplib_power_state *power_state;
5653 	int i, j, k, non_clock_array_index, clock_array_index;
5654 	union pplib_clock_info *clock_info;
5655 	struct _StateArray *state_array;
5656 	struct _ClockInfoArray *clock_info_array;
5657 	struct _NonClockInfoArray *non_clock_info_array;
5658 	union power_info *power_info;
5659 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
5660 	u16 data_offset;
5661 	u8 frev, crev;
5662 	u8 *power_state_offset;
5663 	struct ci_ps *ps;
5664 
5665 	if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
5666 				   &frev, &crev, &data_offset))
5667 		return -EINVAL;
5668 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
5669 
5670 	amdgpu_add_thermal_controller(adev);
5671 
5672 	state_array = (struct _StateArray *)
5673 		(mode_info->atom_context->bios + data_offset +
5674 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
5675 	clock_info_array = (struct _ClockInfoArray *)
5676 		(mode_info->atom_context->bios + data_offset +
5677 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
5678 	non_clock_info_array = (struct _NonClockInfoArray *)
5679 		(mode_info->atom_context->bios + data_offset +
5680 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
5681 
5682 	adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
5683 				  sizeof(struct amdgpu_ps),
5684 				  GFP_KERNEL);
5685 	if (!adev->pm.dpm.ps)
5686 		return -ENOMEM;
5687 	power_state_offset = (u8 *)state_array->states;
5688 	for (i = 0; i < state_array->ucNumEntries; i++) {
5689 		u8 *idx;
5690 		power_state = (union pplib_power_state *)power_state_offset;
5691 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
5692 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
5693 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
5694 		ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL);
5695 		if (ps == NULL) {
5696 			kfree(adev->pm.dpm.ps);
5697 			return -ENOMEM;
5698 		}
5699 		adev->pm.dpm.ps[i].ps_priv = ps;
5700 		ci_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
5701 					      non_clock_info,
5702 					      non_clock_info_array->ucEntrySize);
5703 		k = 0;
5704 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
5705 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
5706 			clock_array_index = idx[j];
5707 			if (clock_array_index >= clock_info_array->ucNumEntries)
5708 				continue;
5709 			if (k >= CISLANDS_MAX_HARDWARE_POWERLEVELS)
5710 				break;
5711 			clock_info = (union pplib_clock_info *)
5712 				((u8 *)&clock_info_array->clockInfo[0] +
5713 				 (clock_array_index * clock_info_array->ucEntrySize));
5714 			ci_parse_pplib_clock_info(adev,
5715 						  &adev->pm.dpm.ps[i], k,
5716 						  clock_info);
5717 			k++;
5718 		}
5719 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
5720 	}
5721 	adev->pm.dpm.num_ps = state_array->ucNumEntries;
5722 
5723 	/* fill in the vce power states */
5724 	for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
5725 		u32 sclk, mclk;
5726 		clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
5727 		clock_info = (union pplib_clock_info *)
5728 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
5729 		sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
5730 		sclk |= clock_info->ci.ucEngineClockHigh << 16;
5731 		mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
5732 		mclk |= clock_info->ci.ucMemoryClockHigh << 16;
5733 		adev->pm.dpm.vce_states[i].sclk = sclk;
5734 		adev->pm.dpm.vce_states[i].mclk = mclk;
5735 	}
5736 
5737 	return 0;
5738 }
5739 
ci_get_vbios_boot_values(struct amdgpu_device * adev,struct ci_vbios_boot_state * boot_state)5740 static int ci_get_vbios_boot_values(struct amdgpu_device *adev,
5741 				    struct ci_vbios_boot_state *boot_state)
5742 {
5743 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
5744 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
5745 	ATOM_FIRMWARE_INFO_V2_2 *firmware_info;
5746 	u8 frev, crev;
5747 	u16 data_offset;
5748 
5749 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
5750 				   &frev, &crev, &data_offset)) {
5751 		firmware_info =
5752 			(ATOM_FIRMWARE_INFO_V2_2 *)(mode_info->atom_context->bios +
5753 						    data_offset);
5754 		boot_state->mvdd_bootup_value = le16_to_cpu(firmware_info->usBootUpMVDDCVoltage);
5755 		boot_state->vddc_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCVoltage);
5756 		boot_state->vddci_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCIVoltage);
5757 		boot_state->pcie_gen_bootup_value = ci_get_current_pcie_speed(adev);
5758 		boot_state->pcie_lane_bootup_value = ci_get_current_pcie_lane_number(adev);
5759 		boot_state->sclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultEngineClock);
5760 		boot_state->mclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultMemoryClock);
5761 
5762 		return 0;
5763 	}
5764 	return -EINVAL;
5765 }
5766 
ci_dpm_fini(struct amdgpu_device * adev)5767 static void ci_dpm_fini(struct amdgpu_device *adev)
5768 {
5769 	int i;
5770 
5771 	for (i = 0; i < adev->pm.dpm.num_ps; i++) {
5772 		kfree(adev->pm.dpm.ps[i].ps_priv);
5773 	}
5774 	kfree(adev->pm.dpm.ps);
5775 	kfree(adev->pm.dpm.priv);
5776 	kfree(adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
5777 	amdgpu_free_extended_power_table(adev);
5778 }
5779 
5780 /**
5781  * ci_dpm_init_microcode - load ucode images from disk
5782  *
5783  * @adev: amdgpu_device pointer
5784  *
5785  * Use the firmware interface to load the ucode images into
5786  * the driver (not loaded into hw).
5787  * Returns 0 on success, error on failure.
5788  */
ci_dpm_init_microcode(struct amdgpu_device * adev)5789 static int ci_dpm_init_microcode(struct amdgpu_device *adev)
5790 {
5791 	const char *chip_name;
5792 	char fw_name[30];
5793 	int err;
5794 
5795 	DRM_DEBUG("\n");
5796 
5797 	switch (adev->asic_type) {
5798 	case CHIP_BONAIRE:
5799 		if ((adev->pdev->revision == 0x80) ||
5800 		    (adev->pdev->revision == 0x81) ||
5801 		    (adev->pdev->device == 0x665f))
5802 			chip_name = "bonaire_k";
5803 		else
5804 			chip_name = "bonaire";
5805 		break;
5806 	case CHIP_HAWAII:
5807 		if (adev->pdev->revision == 0x80)
5808 			chip_name = "hawaii_k";
5809 		else
5810 			chip_name = "hawaii";
5811 		break;
5812 	case CHIP_KAVERI:
5813 	case CHIP_KABINI:
5814 	case CHIP_MULLINS:
5815 	default: BUG();
5816 	}
5817 
5818 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_smc.bin", chip_name);
5819 	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
5820 	if (err)
5821 		goto out;
5822 	err = amdgpu_ucode_validate(adev->pm.fw);
5823 
5824 out:
5825 	if (err) {
5826 		pr_err("cik_smc: Failed to load firmware \"%s\"\n", fw_name);
5827 		release_firmware(adev->pm.fw);
5828 		adev->pm.fw = NULL;
5829 	}
5830 	return err;
5831 }
5832 
ci_dpm_init(struct amdgpu_device * adev)5833 static int ci_dpm_init(struct amdgpu_device *adev)
5834 {
5835 	int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
5836 	SMU7_Discrete_DpmTable *dpm_table;
5837 	struct amdgpu_gpio_rec gpio;
5838 	u16 data_offset, size;
5839 	u8 frev, crev;
5840 	struct ci_power_info *pi;
5841 	int ret;
5842 
5843 	pi = kzalloc(sizeof(struct ci_power_info), GFP_KERNEL);
5844 	if (pi == NULL)
5845 		return -ENOMEM;
5846 	adev->pm.dpm.priv = pi;
5847 
5848 	pi->sys_pcie_mask =
5849 		adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_MASK;
5850 
5851 	pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
5852 
5853 	pi->pcie_gen_performance.max = AMDGPU_PCIE_GEN1;
5854 	pi->pcie_gen_performance.min = AMDGPU_PCIE_GEN3;
5855 	pi->pcie_gen_powersaving.max = AMDGPU_PCIE_GEN1;
5856 	pi->pcie_gen_powersaving.min = AMDGPU_PCIE_GEN3;
5857 
5858 	pi->pcie_lane_performance.max = 0;
5859 	pi->pcie_lane_performance.min = 16;
5860 	pi->pcie_lane_powersaving.max = 0;
5861 	pi->pcie_lane_powersaving.min = 16;
5862 
5863 	ret = ci_get_vbios_boot_values(adev, &pi->vbios_boot_state);
5864 	if (ret) {
5865 		ci_dpm_fini(adev);
5866 		return ret;
5867 	}
5868 
5869 	ret = amdgpu_get_platform_caps(adev);
5870 	if (ret) {
5871 		ci_dpm_fini(adev);
5872 		return ret;
5873 	}
5874 
5875 	ret = amdgpu_parse_extended_power_table(adev);
5876 	if (ret) {
5877 		ci_dpm_fini(adev);
5878 		return ret;
5879 	}
5880 
5881 	ret = ci_parse_power_table(adev);
5882 	if (ret) {
5883 		ci_dpm_fini(adev);
5884 		return ret;
5885 	}
5886 
5887 	pi->dll_default_on = false;
5888 	pi->sram_end = SMC_RAM_END;
5889 
5890 	pi->activity_target[0] = CISLAND_TARGETACTIVITY_DFLT;
5891 	pi->activity_target[1] = CISLAND_TARGETACTIVITY_DFLT;
5892 	pi->activity_target[2] = CISLAND_TARGETACTIVITY_DFLT;
5893 	pi->activity_target[3] = CISLAND_TARGETACTIVITY_DFLT;
5894 	pi->activity_target[4] = CISLAND_TARGETACTIVITY_DFLT;
5895 	pi->activity_target[5] = CISLAND_TARGETACTIVITY_DFLT;
5896 	pi->activity_target[6] = CISLAND_TARGETACTIVITY_DFLT;
5897 	pi->activity_target[7] = CISLAND_TARGETACTIVITY_DFLT;
5898 
5899 	pi->mclk_activity_target = CISLAND_MCLK_TARGETACTIVITY_DFLT;
5900 
5901 	pi->sclk_dpm_key_disabled = 0;
5902 	pi->mclk_dpm_key_disabled = 0;
5903 	pi->pcie_dpm_key_disabled = 0;
5904 	pi->thermal_sclk_dpm_enabled = 0;
5905 
5906 	if (adev->powerplay.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
5907 		pi->caps_sclk_ds = true;
5908 	else
5909 		pi->caps_sclk_ds = false;
5910 
5911 	pi->mclk_strobe_mode_threshold = 40000;
5912 	pi->mclk_stutter_mode_threshold = 40000;
5913 	pi->mclk_edc_enable_threshold = 40000;
5914 	pi->mclk_edc_wr_enable_threshold = 40000;
5915 
5916 	ci_initialize_powertune_defaults(adev);
5917 
5918 	pi->caps_fps = false;
5919 
5920 	pi->caps_sclk_throttle_low_notification = false;
5921 
5922 	pi->caps_uvd_dpm = true;
5923 	pi->caps_vce_dpm = true;
5924 
5925 	ci_get_leakage_voltages(adev);
5926 	ci_patch_dependency_tables_with_leakage(adev);
5927 	ci_set_private_data_variables_based_on_pptable(adev);
5928 
5929 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
5930 		kcalloc(4,
5931 			sizeof(struct amdgpu_clock_voltage_dependency_entry),
5932 			GFP_KERNEL);
5933 	if (!adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
5934 		ci_dpm_fini(adev);
5935 		return -ENOMEM;
5936 	}
5937 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
5938 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
5939 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
5940 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
5941 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
5942 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
5943 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
5944 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
5945 	adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;
5946 
5947 	adev->pm.dpm.dyn_state.mclk_sclk_ratio = 4;
5948 	adev->pm.dpm.dyn_state.sclk_mclk_delta = 15000;
5949 	adev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
5950 
5951 	adev->pm.dpm.dyn_state.valid_sclk_values.count = 0;
5952 	adev->pm.dpm.dyn_state.valid_sclk_values.values = NULL;
5953 	adev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
5954 	adev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
5955 
5956 	if (adev->asic_type == CHIP_HAWAII) {
5957 		pi->thermal_temp_setting.temperature_low = 94500;
5958 		pi->thermal_temp_setting.temperature_high = 95000;
5959 		pi->thermal_temp_setting.temperature_shutdown = 104000;
5960 	} else {
5961 		pi->thermal_temp_setting.temperature_low = 99500;
5962 		pi->thermal_temp_setting.temperature_high = 100000;
5963 		pi->thermal_temp_setting.temperature_shutdown = 104000;
5964 	}
5965 
5966 	pi->uvd_enabled = false;
5967 
5968 	dpm_table = &pi->smc_state_table;
5969 
5970 	gpio = amdgpu_atombios_lookup_gpio(adev, VDDC_VRHOT_GPIO_PINID);
5971 	if (gpio.valid) {
5972 		dpm_table->VRHotGpio = gpio.shift;
5973 		adev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_REGULATOR_HOT;
5974 	} else {
5975 		dpm_table->VRHotGpio = CISLANDS_UNUSED_GPIO_PIN;
5976 		adev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_REGULATOR_HOT;
5977 	}
5978 
5979 	gpio = amdgpu_atombios_lookup_gpio(adev, PP_AC_DC_SWITCH_GPIO_PINID);
5980 	if (gpio.valid) {
5981 		dpm_table->AcDcGpio = gpio.shift;
5982 		adev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_HARDWAREDC;
5983 	} else {
5984 		dpm_table->AcDcGpio = CISLANDS_UNUSED_GPIO_PIN;
5985 		adev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_HARDWAREDC;
5986 	}
5987 
5988 	gpio = amdgpu_atombios_lookup_gpio(adev, VDDC_PCC_GPIO_PINID);
5989 	if (gpio.valid) {
5990 		u32 tmp = RREG32_SMC(ixCNB_PWRMGT_CNTL);
5991 
5992 		switch (gpio.shift) {
5993 		case 0:
5994 			tmp &= ~CNB_PWRMGT_CNTL__GNB_SLOW_MODE_MASK;
5995 			tmp |= 1 << CNB_PWRMGT_CNTL__GNB_SLOW_MODE__SHIFT;
5996 			break;
5997 		case 1:
5998 			tmp &= ~CNB_PWRMGT_CNTL__GNB_SLOW_MODE_MASK;
5999 			tmp |= 2 << CNB_PWRMGT_CNTL__GNB_SLOW_MODE__SHIFT;
6000 			break;
6001 		case 2:
6002 			tmp |= CNB_PWRMGT_CNTL__GNB_SLOW_MASK;
6003 			break;
6004 		case 3:
6005 			tmp |= CNB_PWRMGT_CNTL__FORCE_NB_PS1_MASK;
6006 			break;
6007 		case 4:
6008 			tmp |= CNB_PWRMGT_CNTL__DPM_ENABLED_MASK;
6009 			break;
6010 		default:
6011 			DRM_INFO("Invalid PCC GPIO: %u!\n", gpio.shift);
6012 			break;
6013 		}
6014 		WREG32_SMC(ixCNB_PWRMGT_CNTL, tmp);
6015 	}
6016 
6017 	pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_NONE;
6018 	pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_NONE;
6019 	pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_NONE;
6020 	if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT))
6021 		pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
6022 	else if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
6023 		pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
6024 
6025 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL) {
6026 		if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT))
6027 			pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
6028 		else if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2))
6029 			pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
6030 		else
6031 			adev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL;
6032 	}
6033 
6034 	if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_MVDDCONTROL) {
6035 		if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT))
6036 			pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
6037 		else if (amdgpu_atombios_is_voltage_gpio(adev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_SVID2))
6038 			pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
6039 		else
6040 			adev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_MVDDCONTROL;
6041 	}
6042 
6043 	pi->vddc_phase_shed_control = true;
6044 
6045 #if defined(CONFIG_ACPI)
6046 	pi->pcie_performance_request =
6047 		amdgpu_acpi_is_pcie_performance_request_supported(adev);
6048 #else
6049 	pi->pcie_performance_request = false;
6050 #endif
6051 
6052 	if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
6053 				   &frev, &crev, &data_offset)) {
6054 		pi->caps_sclk_ss_support = true;
6055 		pi->caps_mclk_ss_support = true;
6056 		pi->dynamic_ss = true;
6057 	} else {
6058 		pi->caps_sclk_ss_support = false;
6059 		pi->caps_mclk_ss_support = false;
6060 		pi->dynamic_ss = true;
6061 	}
6062 
6063 	if (adev->pm.int_thermal_type != THERMAL_TYPE_NONE)
6064 		pi->thermal_protection = true;
6065 	else
6066 		pi->thermal_protection = false;
6067 
6068 	pi->caps_dynamic_ac_timing = true;
6069 
6070 	pi->uvd_power_gated = true;
6071 
6072 	/* make sure dc limits are valid */
6073 	if ((adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
6074 	    (adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
6075 		adev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
6076 			adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
6077 
6078 	pi->fan_ctrl_is_in_default_mode = true;
6079 
6080 	return 0;
6081 }
6082 
6083 static void
ci_dpm_debugfs_print_current_performance_level(void * handle,struct seq_file * m)6084 ci_dpm_debugfs_print_current_performance_level(void *handle,
6085 					       struct seq_file *m)
6086 {
6087 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6088 	struct ci_power_info *pi = ci_get_pi(adev);
6089 	struct amdgpu_ps *rps = &pi->current_rps;
6090 	u32 sclk = ci_get_average_sclk_freq(adev);
6091 	u32 mclk = ci_get_average_mclk_freq(adev);
6092 	u32 activity_percent = 50;
6093 	int ret;
6094 
6095 	ret = ci_read_smc_soft_register(adev, offsetof(SMU7_SoftRegisters, AverageGraphicsA),
6096 					&activity_percent);
6097 
6098 	if (ret == 0) {
6099 		activity_percent += 0x80;
6100 		activity_percent >>= 8;
6101 		activity_percent = activity_percent > 100 ? 100 : activity_percent;
6102 	}
6103 
6104 	seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en");
6105 	seq_printf(m, "vce %sabled\n", rps->vce_active ? "en" : "dis");
6106 	seq_printf(m, "power level avg    sclk: %u mclk: %u\n",
6107 		   sclk, mclk);
6108 	seq_printf(m, "GPU load: %u %%\n", activity_percent);
6109 }
6110 
ci_dpm_print_power_state(void * handle,void * current_ps)6111 static void ci_dpm_print_power_state(void *handle, void *current_ps)
6112 {
6113 	struct amdgpu_ps *rps = (struct amdgpu_ps *)current_ps;
6114 	struct ci_ps *ps = ci_get_ps(rps);
6115 	struct ci_pl *pl;
6116 	int i;
6117 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6118 
6119 	amdgpu_dpm_print_class_info(rps->class, rps->class2);
6120 	amdgpu_dpm_print_cap_info(rps->caps);
6121 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
6122 	for (i = 0; i < ps->performance_level_count; i++) {
6123 		pl = &ps->performance_levels[i];
6124 		printk("\t\tpower level %d    sclk: %u mclk: %u pcie gen: %u pcie lanes: %u\n",
6125 		       i, pl->sclk, pl->mclk, pl->pcie_gen + 1, pl->pcie_lane);
6126 	}
6127 	amdgpu_dpm_print_ps_status(adev, rps);
6128 }
6129 
ci_are_power_levels_equal(const struct ci_pl * ci_cpl1,const struct ci_pl * ci_cpl2)6130 static inline bool ci_are_power_levels_equal(const struct ci_pl *ci_cpl1,
6131 						const struct ci_pl *ci_cpl2)
6132 {
6133 	return ((ci_cpl1->mclk == ci_cpl2->mclk) &&
6134 		  (ci_cpl1->sclk == ci_cpl2->sclk) &&
6135 		  (ci_cpl1->pcie_gen == ci_cpl2->pcie_gen) &&
6136 		  (ci_cpl1->pcie_lane == ci_cpl2->pcie_lane));
6137 }
6138 
ci_check_state_equal(void * handle,void * current_ps,void * request_ps,bool * equal)6139 static int ci_check_state_equal(void *handle,
6140 				void *current_ps,
6141 				void *request_ps,
6142 				bool *equal)
6143 {
6144 	struct ci_ps *ci_cps;
6145 	struct ci_ps *ci_rps;
6146 	int i;
6147 	struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps;
6148 	struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
6149 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6150 
6151 	if (adev == NULL || cps == NULL || rps == NULL || equal == NULL)
6152 		return -EINVAL;
6153 
6154 	ci_cps = ci_get_ps((struct amdgpu_ps *)cps);
6155 	ci_rps = ci_get_ps((struct amdgpu_ps *)rps);
6156 
6157 	if (ci_cps == NULL) {
6158 		*equal = false;
6159 		return 0;
6160 	}
6161 
6162 	if (ci_cps->performance_level_count != ci_rps->performance_level_count) {
6163 
6164 		*equal = false;
6165 		return 0;
6166 	}
6167 
6168 	for (i = 0; i < ci_cps->performance_level_count; i++) {
6169 		if (!ci_are_power_levels_equal(&(ci_cps->performance_levels[i]),
6170 					&(ci_rps->performance_levels[i]))) {
6171 			*equal = false;
6172 			return 0;
6173 		}
6174 	}
6175 
6176 	/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
6177 	*equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk));
6178 	*equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk));
6179 
6180 	return 0;
6181 }
6182 
ci_dpm_get_sclk(void * handle,bool low)6183 static u32 ci_dpm_get_sclk(void *handle, bool low)
6184 {
6185 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6186 	struct ci_power_info *pi = ci_get_pi(adev);
6187 	struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps);
6188 
6189 	if (low)
6190 		return requested_state->performance_levels[0].sclk;
6191 	else
6192 		return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
6193 }
6194 
ci_dpm_get_mclk(void * handle,bool low)6195 static u32 ci_dpm_get_mclk(void *handle, bool low)
6196 {
6197 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6198 	struct ci_power_info *pi = ci_get_pi(adev);
6199 	struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps);
6200 
6201 	if (low)
6202 		return requested_state->performance_levels[0].mclk;
6203 	else
6204 		return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
6205 }
6206 
6207 /* get temperature in millidegrees */
ci_dpm_get_temp(void * handle)6208 static int ci_dpm_get_temp(void *handle)
6209 {
6210 	u32 temp;
6211 	int actual_temp = 0;
6212 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6213 
6214 	temp = (RREG32_SMC(ixCG_MULT_THERMAL_STATUS) & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >>
6215 		CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT;
6216 
6217 	if (temp & 0x200)
6218 		actual_temp = 255;
6219 	else
6220 		actual_temp = temp & 0x1ff;
6221 
6222 	actual_temp = actual_temp * 1000;
6223 
6224 	return actual_temp;
6225 }
6226 
ci_set_temperature_range(struct amdgpu_device * adev)6227 static int ci_set_temperature_range(struct amdgpu_device *adev)
6228 {
6229 	int ret;
6230 
6231 	ret = ci_thermal_enable_alert(adev, false);
6232 	if (ret)
6233 		return ret;
6234 	ret = ci_thermal_set_temperature_range(adev, CISLANDS_TEMP_RANGE_MIN,
6235 					       CISLANDS_TEMP_RANGE_MAX);
6236 	if (ret)
6237 		return ret;
6238 	ret = ci_thermal_enable_alert(adev, true);
6239 	if (ret)
6240 		return ret;
6241 	return ret;
6242 }
6243 
ci_dpm_early_init(void * handle)6244 static int ci_dpm_early_init(void *handle)
6245 {
6246 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6247 
6248 	adev->powerplay.pp_funcs = &ci_dpm_funcs;
6249 	adev->powerplay.pp_handle = adev;
6250 	ci_dpm_set_irq_funcs(adev);
6251 
6252 	return 0;
6253 }
6254 
ci_dpm_late_init(void * handle)6255 static int ci_dpm_late_init(void *handle)
6256 {
6257 	int ret;
6258 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6259 
6260 	if (!adev->pm.dpm_enabled)
6261 		return 0;
6262 
6263 	/* init the sysfs and debugfs files late */
6264 	ret = amdgpu_pm_sysfs_init(adev);
6265 	if (ret)
6266 		return ret;
6267 
6268 	ret = ci_set_temperature_range(adev);
6269 	if (ret)
6270 		return ret;
6271 
6272 	return 0;
6273 }
6274 
ci_dpm_sw_init(void * handle)6275 static int ci_dpm_sw_init(void *handle)
6276 {
6277 	int ret;
6278 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6279 
6280 	ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 230,
6281 				&adev->pm.dpm.thermal.irq);
6282 	if (ret)
6283 		return ret;
6284 
6285 	ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 231,
6286 				&adev->pm.dpm.thermal.irq);
6287 	if (ret)
6288 		return ret;
6289 
6290 	/* default to balanced state */
6291 	adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
6292 	adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
6293 	adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO;
6294 	adev->pm.default_sclk = adev->clock.default_sclk;
6295 	adev->pm.default_mclk = adev->clock.default_mclk;
6296 	adev->pm.current_sclk = adev->clock.default_sclk;
6297 	adev->pm.current_mclk = adev->clock.default_mclk;
6298 	adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
6299 
6300 	ret = ci_dpm_init_microcode(adev);
6301 	if (ret)
6302 		return ret;
6303 
6304 	if (amdgpu_dpm == 0)
6305 		return 0;
6306 
6307 	INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
6308 	mutex_lock(&adev->pm.mutex);
6309 	ret = ci_dpm_init(adev);
6310 	if (ret)
6311 		goto dpm_failed;
6312 	adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
6313 	if (amdgpu_dpm == 1)
6314 		amdgpu_pm_print_power_states(adev);
6315 	mutex_unlock(&adev->pm.mutex);
6316 	DRM_INFO("amdgpu: dpm initialized\n");
6317 
6318 	return 0;
6319 
6320 dpm_failed:
6321 	ci_dpm_fini(adev);
6322 	mutex_unlock(&adev->pm.mutex);
6323 	DRM_ERROR("amdgpu: dpm initialization failed\n");
6324 	return ret;
6325 }
6326 
ci_dpm_sw_fini(void * handle)6327 static int ci_dpm_sw_fini(void *handle)
6328 {
6329 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6330 
6331 	flush_work(&adev->pm.dpm.thermal.work);
6332 
6333 	mutex_lock(&adev->pm.mutex);
6334 	ci_dpm_fini(adev);
6335 	mutex_unlock(&adev->pm.mutex);
6336 
6337 	release_firmware(adev->pm.fw);
6338 	adev->pm.fw = NULL;
6339 
6340 	return 0;
6341 }
6342 
ci_dpm_hw_init(void * handle)6343 static int ci_dpm_hw_init(void *handle)
6344 {
6345 	int ret;
6346 
6347 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6348 
6349 	if (!amdgpu_dpm) {
6350 		ret = ci_upload_firmware(adev);
6351 		if (ret) {
6352 			DRM_ERROR("ci_upload_firmware failed\n");
6353 			return ret;
6354 		}
6355 		ci_dpm_start_smc(adev);
6356 		return 0;
6357 	}
6358 
6359 	mutex_lock(&adev->pm.mutex);
6360 	ci_dpm_setup_asic(adev);
6361 	ret = ci_dpm_enable(adev);
6362 	if (ret)
6363 		adev->pm.dpm_enabled = false;
6364 	else
6365 		adev->pm.dpm_enabled = true;
6366 	mutex_unlock(&adev->pm.mutex);
6367 
6368 	return ret;
6369 }
6370 
ci_dpm_hw_fini(void * handle)6371 static int ci_dpm_hw_fini(void *handle)
6372 {
6373 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6374 
6375 	if (adev->pm.dpm_enabled) {
6376 		mutex_lock(&adev->pm.mutex);
6377 		ci_dpm_disable(adev);
6378 		mutex_unlock(&adev->pm.mutex);
6379 	} else {
6380 		ci_dpm_stop_smc(adev);
6381 	}
6382 
6383 	return 0;
6384 }
6385 
ci_dpm_suspend(void * handle)6386 static int ci_dpm_suspend(void *handle)
6387 {
6388 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6389 
6390 	if (adev->pm.dpm_enabled) {
6391 		mutex_lock(&adev->pm.mutex);
6392 		amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
6393 			       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
6394 		amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
6395 			       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
6396 		adev->pm.dpm.last_user_state = adev->pm.dpm.user_state;
6397 		adev->pm.dpm.last_state = adev->pm.dpm.state;
6398 		adev->pm.dpm.user_state = POWER_STATE_TYPE_INTERNAL_BOOT;
6399 		adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_BOOT;
6400 		mutex_unlock(&adev->pm.mutex);
6401 		amdgpu_pm_compute_clocks(adev);
6402 
6403 	}
6404 
6405 	return 0;
6406 }
6407 
ci_dpm_resume(void * handle)6408 static int ci_dpm_resume(void *handle)
6409 {
6410 	int ret;
6411 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6412 
6413 	if (adev->pm.dpm_enabled) {
6414 		/* asic init will reset to the boot state */
6415 		mutex_lock(&adev->pm.mutex);
6416 		ci_dpm_setup_asic(adev);
6417 		ret = ci_dpm_enable(adev);
6418 		if (ret)
6419 			adev->pm.dpm_enabled = false;
6420 		else
6421 			adev->pm.dpm_enabled = true;
6422 		adev->pm.dpm.user_state = adev->pm.dpm.last_user_state;
6423 		adev->pm.dpm.state = adev->pm.dpm.last_state;
6424 		mutex_unlock(&adev->pm.mutex);
6425 		if (adev->pm.dpm_enabled)
6426 			amdgpu_pm_compute_clocks(adev);
6427 	}
6428 	return 0;
6429 }
6430 
ci_dpm_is_idle(void * handle)6431 static bool ci_dpm_is_idle(void *handle)
6432 {
6433 	/* XXX */
6434 	return true;
6435 }
6436 
ci_dpm_wait_for_idle(void * handle)6437 static int ci_dpm_wait_for_idle(void *handle)
6438 {
6439 	/* XXX */
6440 	return 0;
6441 }
6442 
ci_dpm_soft_reset(void * handle)6443 static int ci_dpm_soft_reset(void *handle)
6444 {
6445 	return 0;
6446 }
6447 
ci_dpm_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)6448 static int ci_dpm_set_interrupt_state(struct amdgpu_device *adev,
6449 				      struct amdgpu_irq_src *source,
6450 				      unsigned type,
6451 				      enum amdgpu_interrupt_state state)
6452 {
6453 	u32 cg_thermal_int;
6454 
6455 	switch (type) {
6456 	case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
6457 		switch (state) {
6458 		case AMDGPU_IRQ_STATE_DISABLE:
6459 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT);
6460 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
6461 			WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int);
6462 			break;
6463 		case AMDGPU_IRQ_STATE_ENABLE:
6464 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT);
6465 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
6466 			WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int);
6467 			break;
6468 		default:
6469 			break;
6470 		}
6471 		break;
6472 
6473 	case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
6474 		switch (state) {
6475 		case AMDGPU_IRQ_STATE_DISABLE:
6476 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT);
6477 			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
6478 			WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int);
6479 			break;
6480 		case AMDGPU_IRQ_STATE_ENABLE:
6481 			cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT);
6482 			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
6483 			WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int);
6484 			break;
6485 		default:
6486 			break;
6487 		}
6488 		break;
6489 
6490 	default:
6491 		break;
6492 	}
6493 	return 0;
6494 }
6495 
ci_dpm_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)6496 static int ci_dpm_process_interrupt(struct amdgpu_device *adev,
6497 				    struct amdgpu_irq_src *source,
6498 				    struct amdgpu_iv_entry *entry)
6499 {
6500 	bool queue_thermal = false;
6501 
6502 	if (entry == NULL)
6503 		return -EINVAL;
6504 
6505 	switch (entry->src_id) {
6506 	case 230: /* thermal low to high */
6507 		DRM_DEBUG("IH: thermal low to high\n");
6508 		adev->pm.dpm.thermal.high_to_low = false;
6509 		queue_thermal = true;
6510 		break;
6511 	case 231: /* thermal high to low */
6512 		DRM_DEBUG("IH: thermal high to low\n");
6513 		adev->pm.dpm.thermal.high_to_low = true;
6514 		queue_thermal = true;
6515 		break;
6516 	default:
6517 		break;
6518 	}
6519 
6520 	if (queue_thermal)
6521 		schedule_work(&adev->pm.dpm.thermal.work);
6522 
6523 	return 0;
6524 }
6525 
ci_dpm_set_clockgating_state(void * handle,enum amd_clockgating_state state)6526 static int ci_dpm_set_clockgating_state(void *handle,
6527 					  enum amd_clockgating_state state)
6528 {
6529 	return 0;
6530 }
6531 
ci_dpm_set_powergating_state(void * handle,enum amd_powergating_state state)6532 static int ci_dpm_set_powergating_state(void *handle,
6533 					  enum amd_powergating_state state)
6534 {
6535 	return 0;
6536 }
6537 
ci_dpm_print_clock_levels(void * handle,enum pp_clock_type type,char * buf)6538 static int ci_dpm_print_clock_levels(void *handle,
6539 		enum pp_clock_type type, char *buf)
6540 {
6541 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6542 	struct ci_power_info *pi = ci_get_pi(adev);
6543 	struct ci_single_dpm_table *sclk_table = &pi->dpm_table.sclk_table;
6544 	struct ci_single_dpm_table *mclk_table = &pi->dpm_table.mclk_table;
6545 	struct ci_single_dpm_table *pcie_table = &pi->dpm_table.pcie_speed_table;
6546 
6547 	int i, now, size = 0;
6548 	uint32_t clock, pcie_speed;
6549 
6550 	switch (type) {
6551 	case PP_SCLK:
6552 		amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_API_GetSclkFrequency);
6553 		clock = RREG32(mmSMC_MSG_ARG_0);
6554 
6555 		for (i = 0; i < sclk_table->count; i++) {
6556 			if (clock > sclk_table->dpm_levels[i].value)
6557 				continue;
6558 			break;
6559 		}
6560 		now = i;
6561 
6562 		for (i = 0; i < sclk_table->count; i++)
6563 			size += sprintf(buf + size, "%d: %uMhz %s\n",
6564 					i, sclk_table->dpm_levels[i].value / 100,
6565 					(i == now) ? "*" : "");
6566 		break;
6567 	case PP_MCLK:
6568 		amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_API_GetMclkFrequency);
6569 		clock = RREG32(mmSMC_MSG_ARG_0);
6570 
6571 		for (i = 0; i < mclk_table->count; i++) {
6572 			if (clock > mclk_table->dpm_levels[i].value)
6573 				continue;
6574 			break;
6575 		}
6576 		now = i;
6577 
6578 		for (i = 0; i < mclk_table->count; i++)
6579 			size += sprintf(buf + size, "%d: %uMhz %s\n",
6580 					i, mclk_table->dpm_levels[i].value / 100,
6581 					(i == now) ? "*" : "");
6582 		break;
6583 	case PP_PCIE:
6584 		pcie_speed = ci_get_current_pcie_speed(adev);
6585 		for (i = 0; i < pcie_table->count; i++) {
6586 			if (pcie_speed != pcie_table->dpm_levels[i].value)
6587 				continue;
6588 			break;
6589 		}
6590 		now = i;
6591 
6592 		for (i = 0; i < pcie_table->count; i++)
6593 			size += sprintf(buf + size, "%d: %s %s\n", i,
6594 					(pcie_table->dpm_levels[i].value == 0) ? "2.5GT/s, x1" :
6595 					(pcie_table->dpm_levels[i].value == 1) ? "5.0GT/s, x16" :
6596 					(pcie_table->dpm_levels[i].value == 2) ? "8.0GT/s, x16" : "",
6597 					(i == now) ? "*" : "");
6598 		break;
6599 	default:
6600 		break;
6601 	}
6602 
6603 	return size;
6604 }
6605 
ci_dpm_force_clock_level(void * handle,enum pp_clock_type type,uint32_t mask)6606 static int ci_dpm_force_clock_level(void *handle,
6607 		enum pp_clock_type type, uint32_t mask)
6608 {
6609 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6610 	struct ci_power_info *pi = ci_get_pi(adev);
6611 
6612 	if (adev->pm.dpm.forced_level != AMD_DPM_FORCED_LEVEL_MANUAL)
6613 		return -EINVAL;
6614 
6615 	if (mask == 0)
6616 		return -EINVAL;
6617 
6618 	switch (type) {
6619 	case PP_SCLK:
6620 		if (!pi->sclk_dpm_key_disabled)
6621 			amdgpu_ci_send_msg_to_smc_with_parameter(adev,
6622 					PPSMC_MSG_SCLKDPM_SetEnabledMask,
6623 					pi->dpm_level_enable_mask.sclk_dpm_enable_mask & mask);
6624 		break;
6625 
6626 	case PP_MCLK:
6627 		if (!pi->mclk_dpm_key_disabled)
6628 			amdgpu_ci_send_msg_to_smc_with_parameter(adev,
6629 					PPSMC_MSG_MCLKDPM_SetEnabledMask,
6630 					pi->dpm_level_enable_mask.mclk_dpm_enable_mask & mask);
6631 		break;
6632 
6633 	case PP_PCIE:
6634 	{
6635 		uint32_t tmp = mask & pi->dpm_level_enable_mask.pcie_dpm_enable_mask;
6636 
6637 		if (!pi->pcie_dpm_key_disabled) {
6638 			if (fls(tmp) != ffs(tmp))
6639 				amdgpu_ci_send_msg_to_smc(adev, PPSMC_MSG_PCIeDPM_UnForceLevel);
6640 			else
6641 				amdgpu_ci_send_msg_to_smc_with_parameter(adev,
6642 					PPSMC_MSG_PCIeDPM_ForceLevel,
6643 					fls(tmp) - 1);
6644 		}
6645 		break;
6646 	}
6647 	default:
6648 		break;
6649 	}
6650 
6651 	return 0;
6652 }
6653 
ci_dpm_get_sclk_od(void * handle)6654 static int ci_dpm_get_sclk_od(void *handle)
6655 {
6656 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6657 	struct ci_power_info *pi = ci_get_pi(adev);
6658 	struct ci_single_dpm_table *sclk_table = &(pi->dpm_table.sclk_table);
6659 	struct ci_single_dpm_table *golden_sclk_table =
6660 			&(pi->golden_dpm_table.sclk_table);
6661 	int value;
6662 
6663 	value = (sclk_table->dpm_levels[sclk_table->count - 1].value -
6664 			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value) *
6665 			100 /
6666 			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;
6667 
6668 	return value;
6669 }
6670 
ci_dpm_set_sclk_od(void * handle,uint32_t value)6671 static int ci_dpm_set_sclk_od(void *handle, uint32_t value)
6672 {
6673 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6674 	struct ci_power_info *pi = ci_get_pi(adev);
6675 	struct ci_ps *ps = ci_get_ps(adev->pm.dpm.requested_ps);
6676 	struct ci_single_dpm_table *golden_sclk_table =
6677 			&(pi->golden_dpm_table.sclk_table);
6678 
6679 	if (value > 20)
6680 		value = 20;
6681 
6682 	ps->performance_levels[ps->performance_level_count - 1].sclk =
6683 			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value *
6684 			value / 100 +
6685 			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;
6686 
6687 	return 0;
6688 }
6689 
ci_dpm_get_mclk_od(void * handle)6690 static int ci_dpm_get_mclk_od(void *handle)
6691 {
6692 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6693 	struct ci_power_info *pi = ci_get_pi(adev);
6694 	struct ci_single_dpm_table *mclk_table = &(pi->dpm_table.mclk_table);
6695 	struct ci_single_dpm_table *golden_mclk_table =
6696 			&(pi->golden_dpm_table.mclk_table);
6697 	int value;
6698 
6699 	value = (mclk_table->dpm_levels[mclk_table->count - 1].value -
6700 			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) *
6701 			100 /
6702 			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
6703 
6704 	return value;
6705 }
6706 
ci_dpm_set_mclk_od(void * handle,uint32_t value)6707 static int ci_dpm_set_mclk_od(void *handle, uint32_t value)
6708 {
6709 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6710 	struct ci_power_info *pi = ci_get_pi(adev);
6711 	struct ci_ps *ps = ci_get_ps(adev->pm.dpm.requested_ps);
6712 	struct ci_single_dpm_table *golden_mclk_table =
6713 			&(pi->golden_dpm_table.mclk_table);
6714 
6715 	if (value > 20)
6716 		value = 20;
6717 
6718 	ps->performance_levels[ps->performance_level_count - 1].mclk =
6719 			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value *
6720 			value / 100 +
6721 			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
6722 
6723 	return 0;
6724 }
6725 
ci_dpm_read_sensor(void * handle,int idx,void * value,int * size)6726 static int ci_dpm_read_sensor(void *handle, int idx,
6727 			      void *value, int *size)
6728 {
6729 	u32 activity_percent = 50;
6730 	int ret;
6731 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
6732 
6733 	/* size must be at least 4 bytes for all sensors */
6734 	if (*size < 4)
6735 		return -EINVAL;
6736 
6737 	switch (idx) {
6738 	case AMDGPU_PP_SENSOR_GFX_SCLK:
6739 		*((uint32_t *)value) = ci_get_average_sclk_freq(adev);
6740 		*size = 4;
6741 		return 0;
6742 	case AMDGPU_PP_SENSOR_GFX_MCLK:
6743 		*((uint32_t *)value) = ci_get_average_mclk_freq(adev);
6744 		*size = 4;
6745 		return 0;
6746 	case AMDGPU_PP_SENSOR_GPU_TEMP:
6747 		*((uint32_t *)value) = ci_dpm_get_temp(adev);
6748 		*size = 4;
6749 		return 0;
6750 	case AMDGPU_PP_SENSOR_GPU_LOAD:
6751 		ret = ci_read_smc_soft_register(adev,
6752 						offsetof(SMU7_SoftRegisters,
6753 							 AverageGraphicsA),
6754 						&activity_percent);
6755 		if (ret == 0) {
6756 			activity_percent += 0x80;
6757 			activity_percent >>= 8;
6758 			activity_percent =
6759 				activity_percent > 100 ? 100 : activity_percent;
6760 		}
6761 		*((uint32_t *)value) = activity_percent;
6762 		*size = 4;
6763 		return 0;
6764 	default:
6765 		return -EINVAL;
6766 	}
6767 }
6768 
ci_set_powergating_by_smu(void * handle,uint32_t block_type,bool gate)6769 static int ci_set_powergating_by_smu(void *handle,
6770 				uint32_t block_type, bool gate)
6771 {
6772 	switch (block_type) {
6773 	case AMD_IP_BLOCK_TYPE_UVD:
6774 		ci_dpm_powergate_uvd(handle, gate);
6775 		break;
6776 	default:
6777 		break;
6778 	}
6779 	return 0;
6780 }
6781 
6782 static const struct amd_ip_funcs ci_dpm_ip_funcs = {
6783 	.name = "ci_dpm",
6784 	.early_init = ci_dpm_early_init,
6785 	.late_init = ci_dpm_late_init,
6786 	.sw_init = ci_dpm_sw_init,
6787 	.sw_fini = ci_dpm_sw_fini,
6788 	.hw_init = ci_dpm_hw_init,
6789 	.hw_fini = ci_dpm_hw_fini,
6790 	.suspend = ci_dpm_suspend,
6791 	.resume = ci_dpm_resume,
6792 	.is_idle = ci_dpm_is_idle,
6793 	.wait_for_idle = ci_dpm_wait_for_idle,
6794 	.soft_reset = ci_dpm_soft_reset,
6795 	.set_clockgating_state = ci_dpm_set_clockgating_state,
6796 	.set_powergating_state = ci_dpm_set_powergating_state,
6797 };
6798 
6799 const struct amdgpu_ip_block_version ci_smu_ip_block =
6800 {
6801 	.type = AMD_IP_BLOCK_TYPE_SMC,
6802 	.major = 7,
6803 	.minor = 0,
6804 	.rev = 0,
6805 	.funcs = &ci_dpm_ip_funcs,
6806 };
6807 
6808 static const struct amd_pm_funcs ci_dpm_funcs = {
6809 	.pre_set_power_state = &ci_dpm_pre_set_power_state,
6810 	.set_power_state = &ci_dpm_set_power_state,
6811 	.post_set_power_state = &ci_dpm_post_set_power_state,
6812 	.display_configuration_changed = &ci_dpm_display_configuration_changed,
6813 	.get_sclk = &ci_dpm_get_sclk,
6814 	.get_mclk = &ci_dpm_get_mclk,
6815 	.print_power_state = &ci_dpm_print_power_state,
6816 	.debugfs_print_current_performance_level = &ci_dpm_debugfs_print_current_performance_level,
6817 	.force_performance_level = &ci_dpm_force_performance_level,
6818 	.vblank_too_short = &ci_dpm_vblank_too_short,
6819 	.set_powergating_by_smu = &ci_set_powergating_by_smu,
6820 	.set_fan_control_mode = &ci_dpm_set_fan_control_mode,
6821 	.get_fan_control_mode = &ci_dpm_get_fan_control_mode,
6822 	.set_fan_speed_percent = &ci_dpm_set_fan_speed_percent,
6823 	.get_fan_speed_percent = &ci_dpm_get_fan_speed_percent,
6824 	.print_clock_levels = ci_dpm_print_clock_levels,
6825 	.force_clock_level = ci_dpm_force_clock_level,
6826 	.get_sclk_od = ci_dpm_get_sclk_od,
6827 	.set_sclk_od = ci_dpm_set_sclk_od,
6828 	.get_mclk_od = ci_dpm_get_mclk_od,
6829 	.set_mclk_od = ci_dpm_set_mclk_od,
6830 	.check_state_equal = ci_check_state_equal,
6831 	.get_vce_clock_state = amdgpu_get_vce_clock_state,
6832 	.read_sensor = ci_dpm_read_sensor,
6833 };
6834 
6835 static const struct amdgpu_irq_src_funcs ci_dpm_irq_funcs = {
6836 	.set = ci_dpm_set_interrupt_state,
6837 	.process = ci_dpm_process_interrupt,
6838 };
6839 
ci_dpm_set_irq_funcs(struct amdgpu_device * adev)6840 static void ci_dpm_set_irq_funcs(struct amdgpu_device *adev)
6841 {
6842 	adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
6843 	adev->pm.dpm.thermal.irq.funcs = &ci_dpm_irq_funcs;
6844 }
6845