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 "radeon.h"
27 #include "radeon_asic.h"
28 #include "radeon_ucode.h"
29 #include "cikd.h"
30 #include "r600_dpm.h"
31 #include "ci_dpm.h"
32 #include "atom.h"
33 #include <linux/seq_file.h>
34 
35 #define MC_CG_ARB_FREQ_F0           0x0a
36 #define MC_CG_ARB_FREQ_F1           0x0b
37 #define MC_CG_ARB_FREQ_F2           0x0c
38 #define MC_CG_ARB_FREQ_F3           0x0d
39 
40 #define SMC_RAM_END 0x40000
41 
42 #define VOLTAGE_SCALE               4
43 #define VOLTAGE_VID_OFFSET_SCALE1    625
44 #define VOLTAGE_VID_OFFSET_SCALE2    100
45 
46 static const struct ci_pt_defaults defaults_hawaii_xt =
47 {
48 	1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0xB0000,
49 	{ 0x2E,  0x00,  0x00,  0x88,  0x00,  0x00,  0x72,  0x60,  0x51,  0xA7,  0x79,  0x6B,  0x90,  0xBD,  0x79  },
50 	{ 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 }
51 };
52 
53 static const struct ci_pt_defaults defaults_hawaii_pro =
54 {
55 	1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0x65062,
56 	{ 0x2E,  0x00,  0x00,  0x88,  0x00,  0x00,  0x72,  0x60,  0x51,  0xA7,  0x79,  0x6B,  0x90,  0xBD,  0x79  },
57 	{ 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 }
58 };
59 
60 static const struct ci_pt_defaults defaults_bonaire_xt =
61 {
62 	1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000,
63 	{ 0x79,  0x253, 0x25D, 0xAE,  0x72,  0x80,  0x83,  0x86,  0x6F,  0xC8,  0xC9,  0xC9,  0x2F,  0x4D,  0x61  },
64 	{ 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
65 };
66 
67 static const struct ci_pt_defaults defaults_bonaire_pro =
68 {
69 	1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x65062,
70 	{ 0x8C,  0x23F, 0x244, 0xA6,  0x83,  0x85,  0x86,  0x86,  0x83,  0xDB,  0xDB,  0xDA,  0x67,  0x60,  0x5F  },
71 	{ 0x187, 0x193, 0x193, 0x1C7, 0x1D1, 0x1D1, 0x210, 0x219, 0x219, 0x266, 0x26C, 0x26C, 0x2C9, 0x2CB, 0x2CB }
72 };
73 
74 static const struct ci_pt_defaults defaults_saturn_xt =
75 {
76 	1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x70000,
77 	{ 0x8C,  0x247, 0x249, 0xA6,  0x80,  0x81,  0x8B,  0x89,  0x86,  0xC9,  0xCA,  0xC9,  0x4D,  0x4D,  0x4D  },
78 	{ 0x187, 0x187, 0x187, 0x1C7, 0x1C7, 0x1C7, 0x210, 0x210, 0x210, 0x266, 0x266, 0x266, 0x2C9, 0x2C9, 0x2C9 }
79 };
80 
81 static const struct ci_pt_defaults defaults_saturn_pro =
82 {
83 	1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x30000,
84 	{ 0x96,  0x21D, 0x23B, 0xA1,  0x85,  0x87,  0x83,  0x84,  0x81,  0xE6,  0xE6,  0xE6,  0x71,  0x6A,  0x6A  },
85 	{ 0x193, 0x19E, 0x19E, 0x1D2, 0x1DC, 0x1DC, 0x21A, 0x223, 0x223, 0x26E, 0x27E, 0x274, 0x2CF, 0x2D2, 0x2D2 }
86 };
87 
88 static const struct ci_pt_config_reg didt_config_ci[] =
89 {
90 	{ 0x10, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
91 	{ 0x10, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
92 	{ 0x10, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
93 	{ 0x10, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
94 	{ 0x11, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
95 	{ 0x11, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
96 	{ 0x11, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
97 	{ 0x11, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
98 	{ 0x12, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
99 	{ 0x12, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
100 	{ 0x12, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
101 	{ 0x12, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
102 	{ 0x2, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
103 	{ 0x2, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
104 	{ 0x2, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
105 	{ 0x1, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
106 	{ 0x1, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
107 	{ 0x0, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
108 	{ 0x30, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
109 	{ 0x30, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
110 	{ 0x30, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
111 	{ 0x30, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
112 	{ 0x31, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
113 	{ 0x31, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
114 	{ 0x31, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
115 	{ 0x31, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
116 	{ 0x32, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
117 	{ 0x32, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
118 	{ 0x32, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
119 	{ 0x32, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
120 	{ 0x22, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
121 	{ 0x22, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
122 	{ 0x22, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
123 	{ 0x21, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
124 	{ 0x21, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
125 	{ 0x20, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
126 	{ 0x50, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
127 	{ 0x50, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
128 	{ 0x50, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
129 	{ 0x50, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
130 	{ 0x51, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
131 	{ 0x51, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
132 	{ 0x51, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
133 	{ 0x51, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
134 	{ 0x52, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
135 	{ 0x52, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
136 	{ 0x52, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
137 	{ 0x52, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
138 	{ 0x42, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
139 	{ 0x42, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
140 	{ 0x42, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
141 	{ 0x41, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
142 	{ 0x41, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
143 	{ 0x40, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
144 	{ 0x70, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
145 	{ 0x70, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
146 	{ 0x70, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
147 	{ 0x70, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
148 	{ 0x71, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
149 	{ 0x71, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
150 	{ 0x71, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
151 	{ 0x71, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
152 	{ 0x72, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
153 	{ 0x72, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
154 	{ 0x72, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
155 	{ 0x72, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
156 	{ 0x62, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
157 	{ 0x62, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
158 	{ 0x62, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
159 	{ 0x61, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
160 	{ 0x61, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
161 	{ 0x60, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
162 	{ 0xFFFFFFFF }
163 };
164 
165 extern u8 rv770_get_memory_module_index(struct radeon_device *rdev);
166 extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
167 				       u32 arb_freq_src, u32 arb_freq_dest);
168 extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
169 extern u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode);
170 extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
171 						     u32 max_voltage_steps,
172 						     struct atom_voltage_table *voltage_table);
173 extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
174 extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
175 extern int ci_mc_load_microcode(struct radeon_device *rdev);
176 extern void cik_update_cg(struct radeon_device *rdev,
177 			  u32 block, bool enable);
178 
179 static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev,
180 					 struct atom_voltage_table_entry *voltage_table,
181 					 u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd);
182 static int ci_set_power_limit(struct radeon_device *rdev, u32 n);
183 static int ci_set_overdrive_target_tdp(struct radeon_device *rdev,
184 				       u32 target_tdp);
185 static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate);
186 
187 static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
188 static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
189 						      PPSMC_Msg msg, u32 parameter);
190 
191 static void ci_thermal_start_smc_fan_control(struct radeon_device *rdev);
192 static void ci_fan_ctrl_set_default_mode(struct radeon_device *rdev);
193 
ci_get_pi(struct radeon_device * rdev)194 static struct ci_power_info *ci_get_pi(struct radeon_device *rdev)
195 {
196 	struct ci_power_info *pi = rdev->pm.dpm.priv;
197 
198 	return pi;
199 }
200 
ci_get_ps(struct radeon_ps * rps)201 static struct ci_ps *ci_get_ps(struct radeon_ps *rps)
202 {
203 	struct ci_ps *ps = rps->ps_priv;
204 
205 	return ps;
206 }
207 
ci_initialize_powertune_defaults(struct radeon_device * rdev)208 static void ci_initialize_powertune_defaults(struct radeon_device *rdev)
209 {
210 	struct ci_power_info *pi = ci_get_pi(rdev);
211 
212 	switch (rdev->pdev->device) {
213 	case 0x6649:
214 	case 0x6650:
215 	case 0x6651:
216 	case 0x6658:
217 	case 0x665C:
218 	case 0x665D:
219 	default:
220 		pi->powertune_defaults = &defaults_bonaire_xt;
221 		break;
222 	case 0x6640:
223 	case 0x6641:
224 	case 0x6646:
225 	case 0x6647:
226 		pi->powertune_defaults = &defaults_saturn_xt;
227 		break;
228 	case 0x67B8:
229 	case 0x67B0:
230 		pi->powertune_defaults = &defaults_hawaii_xt;
231 		break;
232 	case 0x67BA:
233 	case 0x67B1:
234 		pi->powertune_defaults = &defaults_hawaii_pro;
235 		break;
236 	case 0x67A0:
237 	case 0x67A1:
238 	case 0x67A2:
239 	case 0x67A8:
240 	case 0x67A9:
241 	case 0x67AA:
242 	case 0x67B9:
243 	case 0x67BE:
244 		pi->powertune_defaults = &defaults_bonaire_xt;
245 		break;
246 	}
247 
248 	pi->dte_tj_offset = 0;
249 
250 	pi->caps_power_containment = true;
251 	pi->caps_cac = false;
252 	pi->caps_sq_ramping = false;
253 	pi->caps_db_ramping = false;
254 	pi->caps_td_ramping = false;
255 	pi->caps_tcp_ramping = false;
256 
257 	if (pi->caps_power_containment) {
258 		pi->caps_cac = true;
259 		if (rdev->family == CHIP_HAWAII)
260 			pi->enable_bapm_feature = false;
261 		else
262 			pi->enable_bapm_feature = true;
263 		pi->enable_tdc_limit_feature = true;
264 		pi->enable_pkg_pwr_tracking_feature = true;
265 	}
266 }
267 
ci_convert_to_vid(u16 vddc)268 static u8 ci_convert_to_vid(u16 vddc)
269 {
270 	return (6200 - (vddc * VOLTAGE_SCALE)) / 25;
271 }
272 
ci_populate_bapm_vddc_vid_sidd(struct radeon_device * rdev)273 static int ci_populate_bapm_vddc_vid_sidd(struct radeon_device *rdev)
274 {
275 	struct ci_power_info *pi = ci_get_pi(rdev);
276 	u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
277 	u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
278 	u8 *hi2_vid = pi->smc_powertune_table.BapmVddCVidHiSidd2;
279 	u32 i;
280 
281 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries == NULL)
282 		return -EINVAL;
283 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.count > 8)
284 		return -EINVAL;
285 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.count !=
286 	    rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count)
287 		return -EINVAL;
288 
289 	for (i = 0; i < rdev->pm.dpm.dyn_state.cac_leakage_table.count; i++) {
290 		if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
291 			lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1);
292 			hi_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2);
293 			hi2_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3);
294 		} else {
295 			lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc);
296 			hi_vid[i] = ci_convert_to_vid((u16)rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage);
297 		}
298 	}
299 	return 0;
300 }
301 
ci_populate_vddc_vid(struct radeon_device * rdev)302 static int ci_populate_vddc_vid(struct radeon_device *rdev)
303 {
304 	struct ci_power_info *pi = ci_get_pi(rdev);
305 	u8 *vid = pi->smc_powertune_table.VddCVid;
306 	u32 i;
307 
308 	if (pi->vddc_voltage_table.count > 8)
309 		return -EINVAL;
310 
311 	for (i = 0; i < pi->vddc_voltage_table.count; i++)
312 		vid[i] = ci_convert_to_vid(pi->vddc_voltage_table.entries[i].value);
313 
314 	return 0;
315 }
316 
ci_populate_svi_load_line(struct radeon_device * rdev)317 static int ci_populate_svi_load_line(struct radeon_device *rdev)
318 {
319 	struct ci_power_info *pi = ci_get_pi(rdev);
320 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
321 
322 	pi->smc_powertune_table.SviLoadLineEn = pt_defaults->svi_load_line_en;
323 	pi->smc_powertune_table.SviLoadLineVddC = pt_defaults->svi_load_line_vddc;
324 	pi->smc_powertune_table.SviLoadLineTrimVddC = 3;
325 	pi->smc_powertune_table.SviLoadLineOffsetVddC = 0;
326 
327 	return 0;
328 }
329 
ci_populate_tdc_limit(struct radeon_device * rdev)330 static int ci_populate_tdc_limit(struct radeon_device *rdev)
331 {
332 	struct ci_power_info *pi = ci_get_pi(rdev);
333 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
334 	u16 tdc_limit;
335 
336 	tdc_limit = rdev->pm.dpm.dyn_state.cac_tdp_table->tdc * 256;
337 	pi->smc_powertune_table.TDC_VDDC_PkgLimit = cpu_to_be16(tdc_limit);
338 	pi->smc_powertune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
339 		pt_defaults->tdc_vddc_throttle_release_limit_perc;
340 	pi->smc_powertune_table.TDC_MAWt = pt_defaults->tdc_mawt;
341 
342 	return 0;
343 }
344 
ci_populate_dw8(struct radeon_device * rdev)345 static int ci_populate_dw8(struct radeon_device *rdev)
346 {
347 	struct ci_power_info *pi = ci_get_pi(rdev);
348 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
349 	int ret;
350 
351 	ret = ci_read_smc_sram_dword(rdev,
352 				     SMU7_FIRMWARE_HEADER_LOCATION +
353 				     offsetof(SMU7_Firmware_Header, PmFuseTable) +
354 				     offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl),
355 				     (u32 *)&pi->smc_powertune_table.TdcWaterfallCtl,
356 				     pi->sram_end);
357 	if (ret)
358 		return -EINVAL;
359 	else
360 		pi->smc_powertune_table.TdcWaterfallCtl = pt_defaults->tdc_waterfall_ctl;
361 
362 	return 0;
363 }
364 
ci_populate_fuzzy_fan(struct radeon_device * rdev)365 static int ci_populate_fuzzy_fan(struct radeon_device *rdev)
366 {
367 	struct ci_power_info *pi = ci_get_pi(rdev);
368 
369 	if ((rdev->pm.dpm.fan.fan_output_sensitivity & (1 << 15)) ||
370 	    (rdev->pm.dpm.fan.fan_output_sensitivity == 0))
371 		rdev->pm.dpm.fan.fan_output_sensitivity =
372 			rdev->pm.dpm.fan.default_fan_output_sensitivity;
373 
374 	pi->smc_powertune_table.FuzzyFan_PwmSetDelta =
375 		cpu_to_be16(rdev->pm.dpm.fan.fan_output_sensitivity);
376 
377 	return 0;
378 }
379 
ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device * rdev)380 static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device *rdev)
381 {
382 	struct ci_power_info *pi = ci_get_pi(rdev);
383 	u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
384 	u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
385 	int i, min, max;
386 
387 	min = max = hi_vid[0];
388 	for (i = 0; i < 8; i++) {
389 		if (0 != hi_vid[i]) {
390 			if (min > hi_vid[i])
391 				min = hi_vid[i];
392 			if (max < hi_vid[i])
393 				max = hi_vid[i];
394 		}
395 
396 		if (0 != lo_vid[i]) {
397 			if (min > lo_vid[i])
398 				min = lo_vid[i];
399 			if (max < lo_vid[i])
400 				max = lo_vid[i];
401 		}
402 	}
403 
404 	if ((min == 0) || (max == 0))
405 		return -EINVAL;
406 	pi->smc_powertune_table.GnbLPMLMaxVid = (u8)max;
407 	pi->smc_powertune_table.GnbLPMLMinVid = (u8)min;
408 
409 	return 0;
410 }
411 
ci_populate_bapm_vddc_base_leakage_sidd(struct radeon_device * rdev)412 static int ci_populate_bapm_vddc_base_leakage_sidd(struct radeon_device *rdev)
413 {
414 	struct ci_power_info *pi = ci_get_pi(rdev);
415 	u16 hi_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd;
416 	u16 lo_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd;
417 	struct radeon_cac_tdp_table *cac_tdp_table =
418 		rdev->pm.dpm.dyn_state.cac_tdp_table;
419 
420 	hi_sidd = cac_tdp_table->high_cac_leakage / 100 * 256;
421 	lo_sidd = cac_tdp_table->low_cac_leakage / 100 * 256;
422 
423 	pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd = cpu_to_be16(hi_sidd);
424 	pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd = cpu_to_be16(lo_sidd);
425 
426 	return 0;
427 }
428 
ci_populate_bapm_parameters_in_dpm_table(struct radeon_device * rdev)429 static int ci_populate_bapm_parameters_in_dpm_table(struct radeon_device *rdev)
430 {
431 	struct ci_power_info *pi = ci_get_pi(rdev);
432 	const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
433 	SMU7_Discrete_DpmTable  *dpm_table = &pi->smc_state_table;
434 	struct radeon_cac_tdp_table *cac_tdp_table =
435 		rdev->pm.dpm.dyn_state.cac_tdp_table;
436 	struct radeon_ppm_table *ppm = rdev->pm.dpm.dyn_state.ppm_table;
437 	int i, j, k;
438 	const u16 *def1;
439 	const u16 *def2;
440 
441 	dpm_table->DefaultTdp = cac_tdp_table->tdp * 256;
442 	dpm_table->TargetTdp = cac_tdp_table->configurable_tdp * 256;
443 
444 	dpm_table->DTETjOffset = (u8)pi->dte_tj_offset;
445 	dpm_table->GpuTjMax =
446 		(u8)(pi->thermal_temp_setting.temperature_high / 1000);
447 	dpm_table->GpuTjHyst = 8;
448 
449 	dpm_table->DTEAmbientTempBase = pt_defaults->dte_ambient_temp_base;
450 
451 	if (ppm) {
452 		dpm_table->PPM_PkgPwrLimit = cpu_to_be16((u16)ppm->dgpu_tdp * 256 / 1000);
453 		dpm_table->PPM_TemperatureLimit = cpu_to_be16((u16)ppm->tj_max * 256);
454 	} else {
455 		dpm_table->PPM_PkgPwrLimit = cpu_to_be16(0);
456 		dpm_table->PPM_TemperatureLimit = cpu_to_be16(0);
457 	}
458 
459 	dpm_table->BAPM_TEMP_GRADIENT = cpu_to_be32(pt_defaults->bapm_temp_gradient);
460 	def1 = pt_defaults->bapmti_r;
461 	def2 = pt_defaults->bapmti_rc;
462 
463 	for (i = 0; i < SMU7_DTE_ITERATIONS; i++) {
464 		for (j = 0; j < SMU7_DTE_SOURCES; j++) {
465 			for (k = 0; k < SMU7_DTE_SINKS; k++) {
466 				dpm_table->BAPMTI_R[i][j][k] = cpu_to_be16(*def1);
467 				dpm_table->BAPMTI_RC[i][j][k] = cpu_to_be16(*def2);
468 				def1++;
469 				def2++;
470 			}
471 		}
472 	}
473 
474 	return 0;
475 }
476 
ci_populate_pm_base(struct radeon_device * rdev)477 static int ci_populate_pm_base(struct radeon_device *rdev)
478 {
479 	struct ci_power_info *pi = ci_get_pi(rdev);
480 	u32 pm_fuse_table_offset;
481 	int ret;
482 
483 	if (pi->caps_power_containment) {
484 		ret = ci_read_smc_sram_dword(rdev,
485 					     SMU7_FIRMWARE_HEADER_LOCATION +
486 					     offsetof(SMU7_Firmware_Header, PmFuseTable),
487 					     &pm_fuse_table_offset, pi->sram_end);
488 		if (ret)
489 			return ret;
490 		ret = ci_populate_bapm_vddc_vid_sidd(rdev);
491 		if (ret)
492 			return ret;
493 		ret = ci_populate_vddc_vid(rdev);
494 		if (ret)
495 			return ret;
496 		ret = ci_populate_svi_load_line(rdev);
497 		if (ret)
498 			return ret;
499 		ret = ci_populate_tdc_limit(rdev);
500 		if (ret)
501 			return ret;
502 		ret = ci_populate_dw8(rdev);
503 		if (ret)
504 			return ret;
505 		ret = ci_populate_fuzzy_fan(rdev);
506 		if (ret)
507 			return ret;
508 		ret = ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(rdev);
509 		if (ret)
510 			return ret;
511 		ret = ci_populate_bapm_vddc_base_leakage_sidd(rdev);
512 		if (ret)
513 			return ret;
514 		ret = ci_copy_bytes_to_smc(rdev, pm_fuse_table_offset,
515 					   (u8 *)&pi->smc_powertune_table,
516 					   sizeof(SMU7_Discrete_PmFuses), pi->sram_end);
517 		if (ret)
518 			return ret;
519 	}
520 
521 	return 0;
522 }
523 
ci_do_enable_didt(struct radeon_device * rdev,const bool enable)524 static void ci_do_enable_didt(struct radeon_device *rdev, const bool enable)
525 {
526 	struct ci_power_info *pi = ci_get_pi(rdev);
527 	u32 data;
528 
529 	if (pi->caps_sq_ramping) {
530 		data = RREG32_DIDT(DIDT_SQ_CTRL0);
531 		if (enable)
532 			data |= DIDT_CTRL_EN;
533 		else
534 			data &= ~DIDT_CTRL_EN;
535 		WREG32_DIDT(DIDT_SQ_CTRL0, data);
536 	}
537 
538 	if (pi->caps_db_ramping) {
539 		data = RREG32_DIDT(DIDT_DB_CTRL0);
540 		if (enable)
541 			data |= DIDT_CTRL_EN;
542 		else
543 			data &= ~DIDT_CTRL_EN;
544 		WREG32_DIDT(DIDT_DB_CTRL0, data);
545 	}
546 
547 	if (pi->caps_td_ramping) {
548 		data = RREG32_DIDT(DIDT_TD_CTRL0);
549 		if (enable)
550 			data |= DIDT_CTRL_EN;
551 		else
552 			data &= ~DIDT_CTRL_EN;
553 		WREG32_DIDT(DIDT_TD_CTRL0, data);
554 	}
555 
556 	if (pi->caps_tcp_ramping) {
557 		data = RREG32_DIDT(DIDT_TCP_CTRL0);
558 		if (enable)
559 			data |= DIDT_CTRL_EN;
560 		else
561 			data &= ~DIDT_CTRL_EN;
562 		WREG32_DIDT(DIDT_TCP_CTRL0, data);
563 	}
564 }
565 
ci_program_pt_config_registers(struct radeon_device * rdev,const struct ci_pt_config_reg * cac_config_regs)566 static int ci_program_pt_config_registers(struct radeon_device *rdev,
567 					  const struct ci_pt_config_reg *cac_config_regs)
568 {
569 	const struct ci_pt_config_reg *config_regs = cac_config_regs;
570 	u32 data;
571 	u32 cache = 0;
572 
573 	if (config_regs == NULL)
574 		return -EINVAL;
575 
576 	while (config_regs->offset != 0xFFFFFFFF) {
577 		if (config_regs->type == CISLANDS_CONFIGREG_CACHE) {
578 			cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
579 		} else {
580 			switch (config_regs->type) {
581 			case CISLANDS_CONFIGREG_SMC_IND:
582 				data = RREG32_SMC(config_regs->offset);
583 				break;
584 			case CISLANDS_CONFIGREG_DIDT_IND:
585 				data = RREG32_DIDT(config_regs->offset);
586 				break;
587 			default:
588 				data = RREG32(config_regs->offset << 2);
589 				break;
590 			}
591 
592 			data &= ~config_regs->mask;
593 			data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
594 			data |= cache;
595 
596 			switch (config_regs->type) {
597 			case CISLANDS_CONFIGREG_SMC_IND:
598 				WREG32_SMC(config_regs->offset, data);
599 				break;
600 			case CISLANDS_CONFIGREG_DIDT_IND:
601 				WREG32_DIDT(config_regs->offset, data);
602 				break;
603 			default:
604 				WREG32(config_regs->offset << 2, data);
605 				break;
606 			}
607 			cache = 0;
608 		}
609 		config_regs++;
610 	}
611 	return 0;
612 }
613 
ci_enable_didt(struct radeon_device * rdev,bool enable)614 static int ci_enable_didt(struct radeon_device *rdev, bool enable)
615 {
616 	struct ci_power_info *pi = ci_get_pi(rdev);
617 	int ret;
618 
619 	if (pi->caps_sq_ramping || pi->caps_db_ramping ||
620 	    pi->caps_td_ramping || pi->caps_tcp_ramping) {
621 		cik_enter_rlc_safe_mode(rdev);
622 
623 		if (enable) {
624 			ret = ci_program_pt_config_registers(rdev, didt_config_ci);
625 			if (ret) {
626 				cik_exit_rlc_safe_mode(rdev);
627 				return ret;
628 			}
629 		}
630 
631 		ci_do_enable_didt(rdev, enable);
632 
633 		cik_exit_rlc_safe_mode(rdev);
634 	}
635 
636 	return 0;
637 }
638 
ci_enable_power_containment(struct radeon_device * rdev,bool enable)639 static int ci_enable_power_containment(struct radeon_device *rdev, bool enable)
640 {
641 	struct ci_power_info *pi = ci_get_pi(rdev);
642 	PPSMC_Result smc_result;
643 	int ret = 0;
644 
645 	if (enable) {
646 		pi->power_containment_features = 0;
647 		if (pi->caps_power_containment) {
648 			if (pi->enable_bapm_feature) {
649 				smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableDTE);
650 				if (smc_result != PPSMC_Result_OK)
651 					ret = -EINVAL;
652 				else
653 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM;
654 			}
655 
656 			if (pi->enable_tdc_limit_feature) {
657 				smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitEnable);
658 				if (smc_result != PPSMC_Result_OK)
659 					ret = -EINVAL;
660 				else
661 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_TDCLimit;
662 			}
663 
664 			if (pi->enable_pkg_pwr_tracking_feature) {
665 				smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitEnable);
666 				if (smc_result != PPSMC_Result_OK) {
667 					ret = -EINVAL;
668 				} else {
669 					struct radeon_cac_tdp_table *cac_tdp_table =
670 						rdev->pm.dpm.dyn_state.cac_tdp_table;
671 					u32 default_pwr_limit =
672 						(u32)(cac_tdp_table->maximum_power_delivery_limit * 256);
673 
674 					pi->power_containment_features |= POWERCONTAINMENT_FEATURE_PkgPwrLimit;
675 
676 					ci_set_power_limit(rdev, default_pwr_limit);
677 				}
678 			}
679 		}
680 	} else {
681 		if (pi->caps_power_containment && pi->power_containment_features) {
682 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_TDCLimit)
683 				ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitDisable);
684 
685 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM)
686 				ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableDTE);
687 
688 			if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit)
689 				ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitDisable);
690 			pi->power_containment_features = 0;
691 		}
692 	}
693 
694 	return ret;
695 }
696 
ci_enable_smc_cac(struct radeon_device * rdev,bool enable)697 static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable)
698 {
699 	struct ci_power_info *pi = ci_get_pi(rdev);
700 	PPSMC_Result smc_result;
701 	int ret = 0;
702 
703 	if (pi->caps_cac) {
704 		if (enable) {
705 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
706 			if (smc_result != PPSMC_Result_OK) {
707 				ret = -EINVAL;
708 				pi->cac_enabled = false;
709 			} else {
710 				pi->cac_enabled = true;
711 			}
712 		} else if (pi->cac_enabled) {
713 			ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);
714 			pi->cac_enabled = false;
715 		}
716 	}
717 
718 	return ret;
719 }
720 
ci_enable_thermal_based_sclk_dpm(struct radeon_device * rdev,bool enable)721 static int ci_enable_thermal_based_sclk_dpm(struct radeon_device *rdev,
722 					    bool enable)
723 {
724 	struct ci_power_info *pi = ci_get_pi(rdev);
725 	PPSMC_Result smc_result = PPSMC_Result_OK;
726 
727 	if (pi->thermal_sclk_dpm_enabled) {
728 		if (enable)
729 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_ENABLE_THERMAL_DPM);
730 		else
731 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DISABLE_THERMAL_DPM);
732 	}
733 
734 	if (smc_result == PPSMC_Result_OK)
735 		return 0;
736 	else
737 		return -EINVAL;
738 }
739 
ci_power_control_set_level(struct radeon_device * rdev)740 static int ci_power_control_set_level(struct radeon_device *rdev)
741 {
742 	struct ci_power_info *pi = ci_get_pi(rdev);
743 	struct radeon_cac_tdp_table *cac_tdp_table =
744 		rdev->pm.dpm.dyn_state.cac_tdp_table;
745 	s32 adjust_percent;
746 	s32 target_tdp;
747 	int ret = 0;
748 	bool adjust_polarity = false; /* ??? */
749 
750 	if (pi->caps_power_containment) {
751 		adjust_percent = adjust_polarity ?
752 			rdev->pm.dpm.tdp_adjustment : (-1 * rdev->pm.dpm.tdp_adjustment);
753 		target_tdp = ((100 + adjust_percent) *
754 			      (s32)cac_tdp_table->configurable_tdp) / 100;
755 
756 		ret = ci_set_overdrive_target_tdp(rdev, (u32)target_tdp);
757 	}
758 
759 	return ret;
760 }
761 
ci_dpm_powergate_uvd(struct radeon_device * rdev,bool gate)762 void ci_dpm_powergate_uvd(struct radeon_device *rdev, bool gate)
763 {
764 	struct ci_power_info *pi = ci_get_pi(rdev);
765 
766 	if (pi->uvd_power_gated == gate)
767 		return;
768 
769 	pi->uvd_power_gated = gate;
770 
771 	ci_update_uvd_dpm(rdev, gate);
772 }
773 
ci_dpm_vblank_too_short(struct radeon_device * rdev)774 bool ci_dpm_vblank_too_short(struct radeon_device *rdev)
775 {
776 	struct ci_power_info *pi = ci_get_pi(rdev);
777 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
778 	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
779 
780 	/* disable mclk switching if the refresh is >120Hz, even if the
781         * blanking period would allow it
782         */
783 	if (r600_dpm_get_vrefresh(rdev) > 120)
784 		return true;
785 
786 	if (vblank_time < switch_limit)
787 		return true;
788 	else
789 		return false;
790 
791 }
792 
ci_apply_state_adjust_rules(struct radeon_device * rdev,struct radeon_ps * rps)793 static void ci_apply_state_adjust_rules(struct radeon_device *rdev,
794 					struct radeon_ps *rps)
795 {
796 	struct ci_ps *ps = ci_get_ps(rps);
797 	struct ci_power_info *pi = ci_get_pi(rdev);
798 	struct radeon_clock_and_voltage_limits *max_limits;
799 	bool disable_mclk_switching;
800 	u32 sclk, mclk;
801 	int i;
802 
803 	if (rps->vce_active) {
804 		rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
805 		rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk;
806 	} else {
807 		rps->evclk = 0;
808 		rps->ecclk = 0;
809 	}
810 
811 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
812 	    ci_dpm_vblank_too_short(rdev))
813 		disable_mclk_switching = true;
814 	else
815 		disable_mclk_switching = false;
816 
817 	if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
818 		pi->battery_state = true;
819 	else
820 		pi->battery_state = false;
821 
822 	if (rdev->pm.dpm.ac_power)
823 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
824 	else
825 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
826 
827 	if (rdev->pm.dpm.ac_power == false) {
828 		for (i = 0; i < ps->performance_level_count; i++) {
829 			if (ps->performance_levels[i].mclk > max_limits->mclk)
830 				ps->performance_levels[i].mclk = max_limits->mclk;
831 			if (ps->performance_levels[i].sclk > max_limits->sclk)
832 				ps->performance_levels[i].sclk = max_limits->sclk;
833 		}
834 	}
835 
836 	/* XXX validate the min clocks required for display */
837 
838 	if (disable_mclk_switching) {
839 		mclk  = ps->performance_levels[ps->performance_level_count - 1].mclk;
840 		sclk = ps->performance_levels[0].sclk;
841 	} else {
842 		mclk = ps->performance_levels[0].mclk;
843 		sclk = ps->performance_levels[0].sclk;
844 	}
845 
846 	if (rps->vce_active) {
847 		if (sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk)
848 			sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk;
849 		if (mclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk)
850 			mclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk;
851 	}
852 
853 	ps->performance_levels[0].sclk = sclk;
854 	ps->performance_levels[0].mclk = mclk;
855 
856 	if (ps->performance_levels[1].sclk < ps->performance_levels[0].sclk)
857 		ps->performance_levels[1].sclk = ps->performance_levels[0].sclk;
858 
859 	if (disable_mclk_switching) {
860 		if (ps->performance_levels[0].mclk < ps->performance_levels[1].mclk)
861 			ps->performance_levels[0].mclk = ps->performance_levels[1].mclk;
862 	} else {
863 		if (ps->performance_levels[1].mclk < ps->performance_levels[0].mclk)
864 			ps->performance_levels[1].mclk = ps->performance_levels[0].mclk;
865 	}
866 }
867 
ci_thermal_set_temperature_range(struct radeon_device * rdev,int min_temp,int max_temp)868 static int ci_thermal_set_temperature_range(struct radeon_device *rdev,
869 					    int min_temp, int max_temp)
870 {
871 	int low_temp = 0 * 1000;
872 	int high_temp = 255 * 1000;
873 	u32 tmp;
874 
875 	if (low_temp < min_temp)
876 		low_temp = min_temp;
877 	if (high_temp > max_temp)
878 		high_temp = max_temp;
879 	if (high_temp < low_temp) {
880 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
881 		return -EINVAL;
882 	}
883 
884 	tmp = RREG32_SMC(CG_THERMAL_INT);
885 	tmp &= ~(CI_DIG_THERM_INTH_MASK | CI_DIG_THERM_INTL_MASK);
886 	tmp |= CI_DIG_THERM_INTH(high_temp / 1000) |
887 		CI_DIG_THERM_INTL(low_temp / 1000);
888 	WREG32_SMC(CG_THERMAL_INT, tmp);
889 
890 #if 0
891 	/* XXX: need to figure out how to handle this properly */
892 	tmp = RREG32_SMC(CG_THERMAL_CTRL);
893 	tmp &= DIG_THERM_DPM_MASK;
894 	tmp |= DIG_THERM_DPM(high_temp / 1000);
895 	WREG32_SMC(CG_THERMAL_CTRL, tmp);
896 #endif
897 
898 	rdev->pm.dpm.thermal.min_temp = low_temp;
899 	rdev->pm.dpm.thermal.max_temp = high_temp;
900 
901 	return 0;
902 }
903 
ci_thermal_enable_alert(struct radeon_device * rdev,bool enable)904 static int ci_thermal_enable_alert(struct radeon_device *rdev,
905 				   bool enable)
906 {
907 	u32 thermal_int = RREG32_SMC(CG_THERMAL_INT);
908 	PPSMC_Result result;
909 
910 	if (enable) {
911 		thermal_int &= ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
912 		WREG32_SMC(CG_THERMAL_INT, thermal_int);
913 		rdev->irq.dpm_thermal = false;
914 		result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Enable);
915 		if (result != PPSMC_Result_OK) {
916 			DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
917 			return -EINVAL;
918 		}
919 	} else {
920 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
921 		WREG32_SMC(CG_THERMAL_INT, thermal_int);
922 		rdev->irq.dpm_thermal = true;
923 		result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Disable);
924 		if (result != PPSMC_Result_OK) {
925 			DRM_DEBUG_KMS("Could not disable thermal interrupts.\n");
926 			return -EINVAL;
927 		}
928 	}
929 
930 	return 0;
931 }
932 
ci_fan_ctrl_set_static_mode(struct radeon_device * rdev,u32 mode)933 static void ci_fan_ctrl_set_static_mode(struct radeon_device *rdev, u32 mode)
934 {
935 	struct ci_power_info *pi = ci_get_pi(rdev);
936 	u32 tmp;
937 
938 	if (pi->fan_ctrl_is_in_default_mode) {
939 		tmp = (RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK) >> FDO_PWM_MODE_SHIFT;
940 		pi->fan_ctrl_default_mode = tmp;
941 		tmp = (RREG32_SMC(CG_FDO_CTRL2) & TMIN_MASK) >> TMIN_SHIFT;
942 		pi->t_min = tmp;
943 		pi->fan_ctrl_is_in_default_mode = false;
944 	}
945 
946 	tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TMIN_MASK;
947 	tmp |= TMIN(0);
948 	WREG32_SMC(CG_FDO_CTRL2, tmp);
949 
950 	tmp = RREG32_SMC(CG_FDO_CTRL2) & ~FDO_PWM_MODE_MASK;
951 	tmp |= FDO_PWM_MODE(mode);
952 	WREG32_SMC(CG_FDO_CTRL2, tmp);
953 }
954 
ci_thermal_setup_fan_table(struct radeon_device * rdev)955 static int ci_thermal_setup_fan_table(struct radeon_device *rdev)
956 {
957 	struct ci_power_info *pi = ci_get_pi(rdev);
958 	SMU7_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
959 	u32 duty100;
960 	u32 t_diff1, t_diff2, pwm_diff1, pwm_diff2;
961 	u16 fdo_min, slope1, slope2;
962 	u32 reference_clock, tmp;
963 	int ret;
964 	u64 tmp64;
965 
966 	if (!pi->fan_table_start) {
967 		rdev->pm.dpm.fan.ucode_fan_control = false;
968 		return 0;
969 	}
970 
971 	duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT;
972 
973 	if (duty100 == 0) {
974 		rdev->pm.dpm.fan.ucode_fan_control = false;
975 		return 0;
976 	}
977 
978 	tmp64 = (u64)rdev->pm.dpm.fan.pwm_min * duty100;
979 	do_div(tmp64, 10000);
980 	fdo_min = (u16)tmp64;
981 
982 	t_diff1 = rdev->pm.dpm.fan.t_med - rdev->pm.dpm.fan.t_min;
983 	t_diff2 = rdev->pm.dpm.fan.t_high - rdev->pm.dpm.fan.t_med;
984 
985 	pwm_diff1 = rdev->pm.dpm.fan.pwm_med - rdev->pm.dpm.fan.pwm_min;
986 	pwm_diff2 = rdev->pm.dpm.fan.pwm_high - rdev->pm.dpm.fan.pwm_med;
987 
988 	slope1 = (u16)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
989 	slope2 = (u16)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
990 
991 	fan_table.TempMin = cpu_to_be16((50 + rdev->pm.dpm.fan.t_min) / 100);
992 	fan_table.TempMed = cpu_to_be16((50 + rdev->pm.dpm.fan.t_med) / 100);
993 	fan_table.TempMax = cpu_to_be16((50 + rdev->pm.dpm.fan.t_max) / 100);
994 
995 	fan_table.Slope1 = cpu_to_be16(slope1);
996 	fan_table.Slope2 = cpu_to_be16(slope2);
997 
998 	fan_table.FdoMin = cpu_to_be16(fdo_min);
999 
1000 	fan_table.HystDown = cpu_to_be16(rdev->pm.dpm.fan.t_hyst);
1001 
1002 	fan_table.HystUp = cpu_to_be16(1);
1003 
1004 	fan_table.HystSlope = cpu_to_be16(1);
1005 
1006 	fan_table.TempRespLim = cpu_to_be16(5);
1007 
1008 	reference_clock = radeon_get_xclk(rdev);
1009 
1010 	fan_table.RefreshPeriod = cpu_to_be32((rdev->pm.dpm.fan.cycle_delay *
1011 					       reference_clock) / 1600);
1012 
1013 	fan_table.FdoMax = cpu_to_be16((u16)duty100);
1014 
1015 	tmp = (RREG32_SMC(CG_MULT_THERMAL_CTRL) & TEMP_SEL_MASK) >> TEMP_SEL_SHIFT;
1016 	fan_table.TempSrc = (uint8_t)tmp;
1017 
1018 	ret = ci_copy_bytes_to_smc(rdev,
1019 				   pi->fan_table_start,
1020 				   (u8 *)(&fan_table),
1021 				   sizeof(fan_table),
1022 				   pi->sram_end);
1023 
1024 	if (ret) {
1025 		DRM_ERROR("Failed to load fan table to the SMC.");
1026 		rdev->pm.dpm.fan.ucode_fan_control = false;
1027 	}
1028 
1029 	return 0;
1030 }
1031 
ci_fan_ctrl_start_smc_fan_control(struct radeon_device * rdev)1032 static int ci_fan_ctrl_start_smc_fan_control(struct radeon_device *rdev)
1033 {
1034 	struct ci_power_info *pi = ci_get_pi(rdev);
1035 	PPSMC_Result ret;
1036 
1037 	if (pi->caps_od_fuzzy_fan_control_support) {
1038 		ret = ci_send_msg_to_smc_with_parameter(rdev,
1039 							PPSMC_StartFanControl,
1040 							FAN_CONTROL_FUZZY);
1041 		if (ret != PPSMC_Result_OK)
1042 			return -EINVAL;
1043 		ret = ci_send_msg_to_smc_with_parameter(rdev,
1044 							PPSMC_MSG_SetFanPwmMax,
1045 							rdev->pm.dpm.fan.default_max_fan_pwm);
1046 		if (ret != PPSMC_Result_OK)
1047 			return -EINVAL;
1048 	} else {
1049 		ret = ci_send_msg_to_smc_with_parameter(rdev,
1050 							PPSMC_StartFanControl,
1051 							FAN_CONTROL_TABLE);
1052 		if (ret != PPSMC_Result_OK)
1053 			return -EINVAL;
1054 	}
1055 
1056 	pi->fan_is_controlled_by_smc = true;
1057 	return 0;
1058 }
1059 
ci_fan_ctrl_stop_smc_fan_control(struct radeon_device * rdev)1060 static int ci_fan_ctrl_stop_smc_fan_control(struct radeon_device *rdev)
1061 {
1062 	PPSMC_Result ret;
1063 	struct ci_power_info *pi = ci_get_pi(rdev);
1064 
1065 	ret = ci_send_msg_to_smc(rdev, PPSMC_StopFanControl);
1066 	if (ret == PPSMC_Result_OK) {
1067 		pi->fan_is_controlled_by_smc = false;
1068 		return 0;
1069 	} else
1070 		return -EINVAL;
1071 }
1072 
ci_fan_ctrl_get_fan_speed_percent(struct radeon_device * rdev,u32 * speed)1073 int ci_fan_ctrl_get_fan_speed_percent(struct radeon_device *rdev,
1074 					     u32 *speed)
1075 {
1076 	u32 duty, duty100;
1077 	u64 tmp64;
1078 
1079 	if (rdev->pm.no_fan)
1080 		return -ENOENT;
1081 
1082 	duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT;
1083 	duty = (RREG32_SMC(CG_THERMAL_STATUS) & FDO_PWM_DUTY_MASK) >> FDO_PWM_DUTY_SHIFT;
1084 
1085 	if (duty100 == 0)
1086 		return -EINVAL;
1087 
1088 	tmp64 = (u64)duty * 100;
1089 	do_div(tmp64, duty100);
1090 	*speed = (u32)tmp64;
1091 
1092 	if (*speed > 100)
1093 		*speed = 100;
1094 
1095 	return 0;
1096 }
1097 
ci_fan_ctrl_set_fan_speed_percent(struct radeon_device * rdev,u32 speed)1098 int ci_fan_ctrl_set_fan_speed_percent(struct radeon_device *rdev,
1099 					     u32 speed)
1100 {
1101 	u32 tmp;
1102 	u32 duty, duty100;
1103 	u64 tmp64;
1104 	struct ci_power_info *pi = ci_get_pi(rdev);
1105 
1106 	if (rdev->pm.no_fan)
1107 		return -ENOENT;
1108 
1109 	if (pi->fan_is_controlled_by_smc)
1110 		return -EINVAL;
1111 
1112 	if (speed > 100)
1113 		return -EINVAL;
1114 
1115 	duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT;
1116 
1117 	if (duty100 == 0)
1118 		return -EINVAL;
1119 
1120 	tmp64 = (u64)speed * duty100;
1121 	do_div(tmp64, 100);
1122 	duty = (u32)tmp64;
1123 
1124 	tmp = RREG32_SMC(CG_FDO_CTRL0) & ~FDO_STATIC_DUTY_MASK;
1125 	tmp |= FDO_STATIC_DUTY(duty);
1126 	WREG32_SMC(CG_FDO_CTRL0, tmp);
1127 
1128 	return 0;
1129 }
1130 
ci_fan_ctrl_set_mode(struct radeon_device * rdev,u32 mode)1131 void ci_fan_ctrl_set_mode(struct radeon_device *rdev, u32 mode)
1132 {
1133 	if (mode) {
1134 		/* stop auto-manage */
1135 		if (rdev->pm.dpm.fan.ucode_fan_control)
1136 			ci_fan_ctrl_stop_smc_fan_control(rdev);
1137 		ci_fan_ctrl_set_static_mode(rdev, mode);
1138 	} else {
1139 		/* restart auto-manage */
1140 		if (rdev->pm.dpm.fan.ucode_fan_control)
1141 			ci_thermal_start_smc_fan_control(rdev);
1142 		else
1143 			ci_fan_ctrl_set_default_mode(rdev);
1144 	}
1145 }
1146 
ci_fan_ctrl_get_mode(struct radeon_device * rdev)1147 u32 ci_fan_ctrl_get_mode(struct radeon_device *rdev)
1148 {
1149 	struct ci_power_info *pi = ci_get_pi(rdev);
1150 	u32 tmp;
1151 
1152 	if (pi->fan_is_controlled_by_smc)
1153 		return 0;
1154 
1155 	tmp = RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK;
1156 	return (tmp >> FDO_PWM_MODE_SHIFT);
1157 }
1158 
1159 #if 0
1160 static int ci_fan_ctrl_get_fan_speed_rpm(struct radeon_device *rdev,
1161 					 u32 *speed)
1162 {
1163 	u32 tach_period;
1164 	u32 xclk = radeon_get_xclk(rdev);
1165 
1166 	if (rdev->pm.no_fan)
1167 		return -ENOENT;
1168 
1169 	if (rdev->pm.fan_pulses_per_revolution == 0)
1170 		return -ENOENT;
1171 
1172 	tach_period = (RREG32_SMC(CG_TACH_STATUS) & TACH_PERIOD_MASK) >> TACH_PERIOD_SHIFT;
1173 	if (tach_period == 0)
1174 		return -ENOENT;
1175 
1176 	*speed = 60 * xclk * 10000 / tach_period;
1177 
1178 	return 0;
1179 }
1180 
1181 static int ci_fan_ctrl_set_fan_speed_rpm(struct radeon_device *rdev,
1182 					 u32 speed)
1183 {
1184 	u32 tach_period, tmp;
1185 	u32 xclk = radeon_get_xclk(rdev);
1186 
1187 	if (rdev->pm.no_fan)
1188 		return -ENOENT;
1189 
1190 	if (rdev->pm.fan_pulses_per_revolution == 0)
1191 		return -ENOENT;
1192 
1193 	if ((speed < rdev->pm.fan_min_rpm) ||
1194 	    (speed > rdev->pm.fan_max_rpm))
1195 		return -EINVAL;
1196 
1197 	if (rdev->pm.dpm.fan.ucode_fan_control)
1198 		ci_fan_ctrl_stop_smc_fan_control(rdev);
1199 
1200 	tach_period = 60 * xclk * 10000 / (8 * speed);
1201 	tmp = RREG32_SMC(CG_TACH_CTRL) & ~TARGET_PERIOD_MASK;
1202 	tmp |= TARGET_PERIOD(tach_period);
1203 	WREG32_SMC(CG_TACH_CTRL, tmp);
1204 
1205 	ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC_RPM);
1206 
1207 	return 0;
1208 }
1209 #endif
1210 
ci_fan_ctrl_set_default_mode(struct radeon_device * rdev)1211 static void ci_fan_ctrl_set_default_mode(struct radeon_device *rdev)
1212 {
1213 	struct ci_power_info *pi = ci_get_pi(rdev);
1214 	u32 tmp;
1215 
1216 	if (!pi->fan_ctrl_is_in_default_mode) {
1217 		tmp = RREG32_SMC(CG_FDO_CTRL2) & ~FDO_PWM_MODE_MASK;
1218 		tmp |= FDO_PWM_MODE(pi->fan_ctrl_default_mode);
1219 		WREG32_SMC(CG_FDO_CTRL2, tmp);
1220 
1221 		tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TMIN_MASK;
1222 		tmp |= TMIN(pi->t_min);
1223 		WREG32_SMC(CG_FDO_CTRL2, tmp);
1224 		pi->fan_ctrl_is_in_default_mode = true;
1225 	}
1226 }
1227 
ci_thermal_start_smc_fan_control(struct radeon_device * rdev)1228 static void ci_thermal_start_smc_fan_control(struct radeon_device *rdev)
1229 {
1230 	if (rdev->pm.dpm.fan.ucode_fan_control) {
1231 		ci_fan_ctrl_start_smc_fan_control(rdev);
1232 		ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC);
1233 	}
1234 }
1235 
ci_thermal_initialize(struct radeon_device * rdev)1236 static void ci_thermal_initialize(struct radeon_device *rdev)
1237 {
1238 	u32 tmp;
1239 
1240 	if (rdev->pm.fan_pulses_per_revolution) {
1241 		tmp = RREG32_SMC(CG_TACH_CTRL) & ~EDGE_PER_REV_MASK;
1242 		tmp |= EDGE_PER_REV(rdev->pm.fan_pulses_per_revolution -1);
1243 		WREG32_SMC(CG_TACH_CTRL, tmp);
1244 	}
1245 
1246 	tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TACH_PWM_RESP_RATE_MASK;
1247 	tmp |= TACH_PWM_RESP_RATE(0x28);
1248 	WREG32_SMC(CG_FDO_CTRL2, tmp);
1249 }
1250 
ci_thermal_start_thermal_controller(struct radeon_device * rdev)1251 static int ci_thermal_start_thermal_controller(struct radeon_device *rdev)
1252 {
1253 	int ret;
1254 
1255 	ci_thermal_initialize(rdev);
1256 	ret = ci_thermal_set_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
1257 	if (ret)
1258 		return ret;
1259 	ret = ci_thermal_enable_alert(rdev, true);
1260 	if (ret)
1261 		return ret;
1262 	if (rdev->pm.dpm.fan.ucode_fan_control) {
1263 		ret = ci_thermal_setup_fan_table(rdev);
1264 		if (ret)
1265 			return ret;
1266 		ci_thermal_start_smc_fan_control(rdev);
1267 	}
1268 
1269 	return 0;
1270 }
1271 
ci_thermal_stop_thermal_controller(struct radeon_device * rdev)1272 static void ci_thermal_stop_thermal_controller(struct radeon_device *rdev)
1273 {
1274 	if (!rdev->pm.no_fan)
1275 		ci_fan_ctrl_set_default_mode(rdev);
1276 }
1277 
1278 #if 0
1279 static int ci_read_smc_soft_register(struct radeon_device *rdev,
1280 				     u16 reg_offset, u32 *value)
1281 {
1282 	struct ci_power_info *pi = ci_get_pi(rdev);
1283 
1284 	return ci_read_smc_sram_dword(rdev,
1285 				      pi->soft_regs_start + reg_offset,
1286 				      value, pi->sram_end);
1287 }
1288 #endif
1289 
ci_write_smc_soft_register(struct radeon_device * rdev,u16 reg_offset,u32 value)1290 static int ci_write_smc_soft_register(struct radeon_device *rdev,
1291 				      u16 reg_offset, u32 value)
1292 {
1293 	struct ci_power_info *pi = ci_get_pi(rdev);
1294 
1295 	return ci_write_smc_sram_dword(rdev,
1296 				       pi->soft_regs_start + reg_offset,
1297 				       value, pi->sram_end);
1298 }
1299 
ci_init_fps_limits(struct radeon_device * rdev)1300 static void ci_init_fps_limits(struct radeon_device *rdev)
1301 {
1302 	struct ci_power_info *pi = ci_get_pi(rdev);
1303 	SMU7_Discrete_DpmTable *table = &pi->smc_state_table;
1304 
1305 	if (pi->caps_fps) {
1306 		u16 tmp;
1307 
1308 		tmp = 45;
1309 		table->FpsHighT = cpu_to_be16(tmp);
1310 
1311 		tmp = 30;
1312 		table->FpsLowT = cpu_to_be16(tmp);
1313 	}
1314 }
1315 
ci_update_sclk_t(struct radeon_device * rdev)1316 static int ci_update_sclk_t(struct radeon_device *rdev)
1317 {
1318 	struct ci_power_info *pi = ci_get_pi(rdev);
1319 	int ret = 0;
1320 	u32 low_sclk_interrupt_t = 0;
1321 
1322 	if (pi->caps_sclk_throttle_low_notification) {
1323 		low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
1324 
1325 		ret = ci_copy_bytes_to_smc(rdev,
1326 					   pi->dpm_table_start +
1327 					   offsetof(SMU7_Discrete_DpmTable, LowSclkInterruptT),
1328 					   (u8 *)&low_sclk_interrupt_t,
1329 					   sizeof(u32), pi->sram_end);
1330 
1331 	}
1332 
1333 	return ret;
1334 }
1335 
ci_get_leakage_voltages(struct radeon_device * rdev)1336 static void ci_get_leakage_voltages(struct radeon_device *rdev)
1337 {
1338 	struct ci_power_info *pi = ci_get_pi(rdev);
1339 	u16 leakage_id, virtual_voltage_id;
1340 	u16 vddc, vddci;
1341 	int i;
1342 
1343 	pi->vddc_leakage.count = 0;
1344 	pi->vddci_leakage.count = 0;
1345 
1346 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1347 		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
1348 			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
1349 			if (radeon_atom_get_voltage_evv(rdev, virtual_voltage_id, &vddc) != 0)
1350 				continue;
1351 			if (vddc != 0 && vddc != virtual_voltage_id) {
1352 				pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
1353 				pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
1354 				pi->vddc_leakage.count++;
1355 			}
1356 		}
1357 	} else if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) {
1358 		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
1359 			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
1360 			if (radeon_atom_get_leakage_vddc_based_on_leakage_params(rdev, &vddc, &vddci,
1361 										 virtual_voltage_id,
1362 										 leakage_id) == 0) {
1363 				if (vddc != 0 && vddc != virtual_voltage_id) {
1364 					pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
1365 					pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
1366 					pi->vddc_leakage.count++;
1367 				}
1368 				if (vddci != 0 && vddci != virtual_voltage_id) {
1369 					pi->vddci_leakage.actual_voltage[pi->vddci_leakage.count] = vddci;
1370 					pi->vddci_leakage.leakage_id[pi->vddci_leakage.count] = virtual_voltage_id;
1371 					pi->vddci_leakage.count++;
1372 				}
1373 			}
1374 		}
1375 	}
1376 }
1377 
ci_set_dpm_event_sources(struct radeon_device * rdev,u32 sources)1378 static void ci_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
1379 {
1380 	struct ci_power_info *pi = ci_get_pi(rdev);
1381 	bool want_thermal_protection;
1382 	enum radeon_dpm_event_src dpm_event_src;
1383 	u32 tmp;
1384 
1385 	switch (sources) {
1386 	case 0:
1387 	default:
1388 		want_thermal_protection = false;
1389 		break;
1390 	case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
1391 		want_thermal_protection = true;
1392 		dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
1393 		break;
1394 	case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
1395 		want_thermal_protection = true;
1396 		dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
1397 		break;
1398 	case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
1399 	      (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
1400 		want_thermal_protection = true;
1401 		dpm_event_src = RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
1402 		break;
1403 	}
1404 
1405 	if (want_thermal_protection) {
1406 #if 0
1407 		/* XXX: need to figure out how to handle this properly */
1408 		tmp = RREG32_SMC(CG_THERMAL_CTRL);
1409 		tmp &= DPM_EVENT_SRC_MASK;
1410 		tmp |= DPM_EVENT_SRC(dpm_event_src);
1411 		WREG32_SMC(CG_THERMAL_CTRL, tmp);
1412 #endif
1413 
1414 		tmp = RREG32_SMC(GENERAL_PWRMGT);
1415 		if (pi->thermal_protection)
1416 			tmp &= ~THERMAL_PROTECTION_DIS;
1417 		else
1418 			tmp |= THERMAL_PROTECTION_DIS;
1419 		WREG32_SMC(GENERAL_PWRMGT, tmp);
1420 	} else {
1421 		tmp = RREG32_SMC(GENERAL_PWRMGT);
1422 		tmp |= THERMAL_PROTECTION_DIS;
1423 		WREG32_SMC(GENERAL_PWRMGT, tmp);
1424 	}
1425 }
1426 
ci_enable_auto_throttle_source(struct radeon_device * rdev,enum radeon_dpm_auto_throttle_src source,bool enable)1427 static void ci_enable_auto_throttle_source(struct radeon_device *rdev,
1428 					   enum radeon_dpm_auto_throttle_src source,
1429 					   bool enable)
1430 {
1431 	struct ci_power_info *pi = ci_get_pi(rdev);
1432 
1433 	if (enable) {
1434 		if (!(pi->active_auto_throttle_sources & (1 << source))) {
1435 			pi->active_auto_throttle_sources |= 1 << source;
1436 			ci_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
1437 		}
1438 	} else {
1439 		if (pi->active_auto_throttle_sources & (1 << source)) {
1440 			pi->active_auto_throttle_sources &= ~(1 << source);
1441 			ci_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
1442 		}
1443 	}
1444 }
1445 
ci_enable_vr_hot_gpio_interrupt(struct radeon_device * rdev)1446 static void ci_enable_vr_hot_gpio_interrupt(struct radeon_device *rdev)
1447 {
1448 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1449 		ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableVRHotGPIOInterrupt);
1450 }
1451 
ci_unfreeze_sclk_mclk_dpm(struct radeon_device * rdev)1452 static int ci_unfreeze_sclk_mclk_dpm(struct radeon_device *rdev)
1453 {
1454 	struct ci_power_info *pi = ci_get_pi(rdev);
1455 	PPSMC_Result smc_result;
1456 
1457 	if (!pi->need_update_smu7_dpm_table)
1458 		return 0;
1459 
1460 	if ((!pi->sclk_dpm_key_disabled) &&
1461 	    (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) {
1462 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
1463 		if (smc_result != PPSMC_Result_OK)
1464 			return -EINVAL;
1465 	}
1466 
1467 	if ((!pi->mclk_dpm_key_disabled) &&
1468 	    (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
1469 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
1470 		if (smc_result != PPSMC_Result_OK)
1471 			return -EINVAL;
1472 	}
1473 
1474 	pi->need_update_smu7_dpm_table = 0;
1475 	return 0;
1476 }
1477 
ci_enable_sclk_mclk_dpm(struct radeon_device * rdev,bool enable)1478 static int ci_enable_sclk_mclk_dpm(struct radeon_device *rdev, bool enable)
1479 {
1480 	struct ci_power_info *pi = ci_get_pi(rdev);
1481 	PPSMC_Result smc_result;
1482 
1483 	if (enable) {
1484 		if (!pi->sclk_dpm_key_disabled) {
1485 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DPM_Enable);
1486 			if (smc_result != PPSMC_Result_OK)
1487 				return -EINVAL;
1488 		}
1489 
1490 		if (!pi->mclk_dpm_key_disabled) {
1491 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_Enable);
1492 			if (smc_result != PPSMC_Result_OK)
1493 				return -EINVAL;
1494 
1495 			WREG32_P(MC_SEQ_CNTL_3, CAC_EN, ~CAC_EN);
1496 
1497 			WREG32_SMC(LCAC_MC0_CNTL, 0x05);
1498 			WREG32_SMC(LCAC_MC1_CNTL, 0x05);
1499 			WREG32_SMC(LCAC_CPL_CNTL, 0x100005);
1500 
1501 			udelay(10);
1502 
1503 			WREG32_SMC(LCAC_MC0_CNTL, 0x400005);
1504 			WREG32_SMC(LCAC_MC1_CNTL, 0x400005);
1505 			WREG32_SMC(LCAC_CPL_CNTL, 0x500005);
1506 		}
1507 	} else {
1508 		if (!pi->sclk_dpm_key_disabled) {
1509 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DPM_Disable);
1510 			if (smc_result != PPSMC_Result_OK)
1511 				return -EINVAL;
1512 		}
1513 
1514 		if (!pi->mclk_dpm_key_disabled) {
1515 			smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_Disable);
1516 			if (smc_result != PPSMC_Result_OK)
1517 				return -EINVAL;
1518 		}
1519 	}
1520 
1521 	return 0;
1522 }
1523 
ci_start_dpm(struct radeon_device * rdev)1524 static int ci_start_dpm(struct radeon_device *rdev)
1525 {
1526 	struct ci_power_info *pi = ci_get_pi(rdev);
1527 	PPSMC_Result smc_result;
1528 	int ret;
1529 	u32 tmp;
1530 
1531 	tmp = RREG32_SMC(GENERAL_PWRMGT);
1532 	tmp |= GLOBAL_PWRMGT_EN;
1533 	WREG32_SMC(GENERAL_PWRMGT, tmp);
1534 
1535 	tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
1536 	tmp |= DYNAMIC_PM_EN;
1537 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
1538 
1539 	ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, VoltageChangeTimeout), 0x1000);
1540 
1541 	WREG32_P(BIF_LNCNT_RESET, 0, ~RESET_LNCNT_EN);
1542 
1543 	smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Voltage_Cntl_Enable);
1544 	if (smc_result != PPSMC_Result_OK)
1545 		return -EINVAL;
1546 
1547 	ret = ci_enable_sclk_mclk_dpm(rdev, true);
1548 	if (ret)
1549 		return ret;
1550 
1551 	if (!pi->pcie_dpm_key_disabled) {
1552 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PCIeDPM_Enable);
1553 		if (smc_result != PPSMC_Result_OK)
1554 			return -EINVAL;
1555 	}
1556 
1557 	return 0;
1558 }
1559 
ci_freeze_sclk_mclk_dpm(struct radeon_device * rdev)1560 static int ci_freeze_sclk_mclk_dpm(struct radeon_device *rdev)
1561 {
1562 	struct ci_power_info *pi = ci_get_pi(rdev);
1563 	PPSMC_Result smc_result;
1564 
1565 	if (!pi->need_update_smu7_dpm_table)
1566 		return 0;
1567 
1568 	if ((!pi->sclk_dpm_key_disabled) &&
1569 	    (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) {
1570 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_SCLKDPM_FreezeLevel);
1571 		if (smc_result != PPSMC_Result_OK)
1572 			return -EINVAL;
1573 	}
1574 
1575 	if ((!pi->mclk_dpm_key_disabled) &&
1576 	    (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
1577 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_FreezeLevel);
1578 		if (smc_result != PPSMC_Result_OK)
1579 			return -EINVAL;
1580 	}
1581 
1582 	return 0;
1583 }
1584 
ci_stop_dpm(struct radeon_device * rdev)1585 static int ci_stop_dpm(struct radeon_device *rdev)
1586 {
1587 	struct ci_power_info *pi = ci_get_pi(rdev);
1588 	PPSMC_Result smc_result;
1589 	int ret;
1590 	u32 tmp;
1591 
1592 	tmp = RREG32_SMC(GENERAL_PWRMGT);
1593 	tmp &= ~GLOBAL_PWRMGT_EN;
1594 	WREG32_SMC(GENERAL_PWRMGT, tmp);
1595 
1596 	tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
1597 	tmp &= ~DYNAMIC_PM_EN;
1598 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
1599 
1600 	if (!pi->pcie_dpm_key_disabled) {
1601 		smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PCIeDPM_Disable);
1602 		if (smc_result != PPSMC_Result_OK)
1603 			return -EINVAL;
1604 	}
1605 
1606 	ret = ci_enable_sclk_mclk_dpm(rdev, false);
1607 	if (ret)
1608 		return ret;
1609 
1610 	smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Voltage_Cntl_Disable);
1611 	if (smc_result != PPSMC_Result_OK)
1612 		return -EINVAL;
1613 
1614 	return 0;
1615 }
1616 
ci_enable_sclk_control(struct radeon_device * rdev,bool enable)1617 static void ci_enable_sclk_control(struct radeon_device *rdev, bool enable)
1618 {
1619 	u32 tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
1620 
1621 	if (enable)
1622 		tmp &= ~SCLK_PWRMGT_OFF;
1623 	else
1624 		tmp |= SCLK_PWRMGT_OFF;
1625 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
1626 }
1627 
1628 #if 0
1629 static int ci_notify_hw_of_power_source(struct radeon_device *rdev,
1630 					bool ac_power)
1631 {
1632 	struct ci_power_info *pi = ci_get_pi(rdev);
1633 	struct radeon_cac_tdp_table *cac_tdp_table =
1634 		rdev->pm.dpm.dyn_state.cac_tdp_table;
1635 	u32 power_limit;
1636 
1637 	if (ac_power)
1638 		power_limit = (u32)(cac_tdp_table->maximum_power_delivery_limit * 256);
1639 	else
1640 		power_limit = (u32)(cac_tdp_table->battery_power_limit * 256);
1641 
1642 	ci_set_power_limit(rdev, power_limit);
1643 
1644 	if (pi->caps_automatic_dc_transition) {
1645 		if (ac_power)
1646 			ci_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC);
1647 		else
1648 			ci_send_msg_to_smc(rdev, PPSMC_MSG_Remove_DC_Clamp);
1649 	}
1650 
1651 	return 0;
1652 }
1653 #endif
1654 
ci_send_msg_to_smc(struct radeon_device * rdev,PPSMC_Msg msg)1655 static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
1656 {
1657 	u32 tmp;
1658 	int i;
1659 
1660 	if (!ci_is_smc_running(rdev))
1661 		return PPSMC_Result_Failed;
1662 
1663 	WREG32(SMC_MESSAGE_0, msg);
1664 
1665 	for (i = 0; i < rdev->usec_timeout; i++) {
1666 		tmp = RREG32(SMC_RESP_0);
1667 		if (tmp != 0)
1668 			break;
1669 		udelay(1);
1670 	}
1671 	tmp = RREG32(SMC_RESP_0);
1672 
1673 	return (PPSMC_Result)tmp;
1674 }
1675 
ci_send_msg_to_smc_with_parameter(struct radeon_device * rdev,PPSMC_Msg msg,u32 parameter)1676 static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
1677 						      PPSMC_Msg msg, u32 parameter)
1678 {
1679 	WREG32(SMC_MSG_ARG_0, parameter);
1680 	return ci_send_msg_to_smc(rdev, msg);
1681 }
1682 
ci_send_msg_to_smc_return_parameter(struct radeon_device * rdev,PPSMC_Msg msg,u32 * parameter)1683 static PPSMC_Result ci_send_msg_to_smc_return_parameter(struct radeon_device *rdev,
1684 							PPSMC_Msg msg, u32 *parameter)
1685 {
1686 	PPSMC_Result smc_result;
1687 
1688 	smc_result = ci_send_msg_to_smc(rdev, msg);
1689 
1690 	if ((smc_result == PPSMC_Result_OK) && parameter)
1691 		*parameter = RREG32(SMC_MSG_ARG_0);
1692 
1693 	return smc_result;
1694 }
1695 
ci_dpm_force_state_sclk(struct radeon_device * rdev,u32 n)1696 static int ci_dpm_force_state_sclk(struct radeon_device *rdev, u32 n)
1697 {
1698 	struct ci_power_info *pi = ci_get_pi(rdev);
1699 
1700 	if (!pi->sclk_dpm_key_disabled) {
1701 		PPSMC_Result smc_result =
1702 			ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SCLKDPM_SetEnabledMask, 1 << n);
1703 		if (smc_result != PPSMC_Result_OK)
1704 			return -EINVAL;
1705 	}
1706 
1707 	return 0;
1708 }
1709 
ci_dpm_force_state_mclk(struct radeon_device * rdev,u32 n)1710 static int ci_dpm_force_state_mclk(struct radeon_device *rdev, u32 n)
1711 {
1712 	struct ci_power_info *pi = ci_get_pi(rdev);
1713 
1714 	if (!pi->mclk_dpm_key_disabled) {
1715 		PPSMC_Result smc_result =
1716 			ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_MCLKDPM_SetEnabledMask, 1 << n);
1717 		if (smc_result != PPSMC_Result_OK)
1718 			return -EINVAL;
1719 	}
1720 
1721 	return 0;
1722 }
1723 
ci_dpm_force_state_pcie(struct radeon_device * rdev,u32 n)1724 static int ci_dpm_force_state_pcie(struct radeon_device *rdev, u32 n)
1725 {
1726 	struct ci_power_info *pi = ci_get_pi(rdev);
1727 
1728 	if (!pi->pcie_dpm_key_disabled) {
1729 		PPSMC_Result smc_result =
1730 			ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_PCIeDPM_ForceLevel, n);
1731 		if (smc_result != PPSMC_Result_OK)
1732 			return -EINVAL;
1733 	}
1734 
1735 	return 0;
1736 }
1737 
ci_set_power_limit(struct radeon_device * rdev,u32 n)1738 static int ci_set_power_limit(struct radeon_device *rdev, u32 n)
1739 {
1740 	struct ci_power_info *pi = ci_get_pi(rdev);
1741 
1742 	if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit) {
1743 		PPSMC_Result smc_result =
1744 			ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_PkgPwrSetLimit, n);
1745 		if (smc_result != PPSMC_Result_OK)
1746 			return -EINVAL;
1747 	}
1748 
1749 	return 0;
1750 }
1751 
ci_set_overdrive_target_tdp(struct radeon_device * rdev,u32 target_tdp)1752 static int ci_set_overdrive_target_tdp(struct radeon_device *rdev,
1753 				       u32 target_tdp)
1754 {
1755 	PPSMC_Result smc_result =
1756 		ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_OverDriveSetTargetTdp, target_tdp);
1757 	if (smc_result != PPSMC_Result_OK)
1758 		return -EINVAL;
1759 	return 0;
1760 }
1761 
1762 #if 0
1763 static int ci_set_boot_state(struct radeon_device *rdev)
1764 {
1765 	return ci_enable_sclk_mclk_dpm(rdev, false);
1766 }
1767 #endif
1768 
ci_get_average_sclk_freq(struct radeon_device * rdev)1769 static u32 ci_get_average_sclk_freq(struct radeon_device *rdev)
1770 {
1771 	u32 sclk_freq;
1772 	PPSMC_Result smc_result =
1773 		ci_send_msg_to_smc_return_parameter(rdev,
1774 						    PPSMC_MSG_API_GetSclkFrequency,
1775 						    &sclk_freq);
1776 	if (smc_result != PPSMC_Result_OK)
1777 		sclk_freq = 0;
1778 
1779 	return sclk_freq;
1780 }
1781 
ci_get_average_mclk_freq(struct radeon_device * rdev)1782 static u32 ci_get_average_mclk_freq(struct radeon_device *rdev)
1783 {
1784 	u32 mclk_freq;
1785 	PPSMC_Result smc_result =
1786 		ci_send_msg_to_smc_return_parameter(rdev,
1787 						    PPSMC_MSG_API_GetMclkFrequency,
1788 						    &mclk_freq);
1789 	if (smc_result != PPSMC_Result_OK)
1790 		mclk_freq = 0;
1791 
1792 	return mclk_freq;
1793 }
1794 
ci_dpm_start_smc(struct radeon_device * rdev)1795 static void ci_dpm_start_smc(struct radeon_device *rdev)
1796 {
1797 	int i;
1798 
1799 	ci_program_jump_on_start(rdev);
1800 	ci_start_smc_clock(rdev);
1801 	ci_start_smc(rdev);
1802 	for (i = 0; i < rdev->usec_timeout; i++) {
1803 		if (RREG32_SMC(FIRMWARE_FLAGS) & INTERRUPTS_ENABLED)
1804 			break;
1805 	}
1806 }
1807 
ci_dpm_stop_smc(struct radeon_device * rdev)1808 static void ci_dpm_stop_smc(struct radeon_device *rdev)
1809 {
1810 	ci_reset_smc(rdev);
1811 	ci_stop_smc_clock(rdev);
1812 }
1813 
ci_process_firmware_header(struct radeon_device * rdev)1814 static int ci_process_firmware_header(struct radeon_device *rdev)
1815 {
1816 	struct ci_power_info *pi = ci_get_pi(rdev);
1817 	u32 tmp;
1818 	int ret;
1819 
1820 	ret = ci_read_smc_sram_dword(rdev,
1821 				     SMU7_FIRMWARE_HEADER_LOCATION +
1822 				     offsetof(SMU7_Firmware_Header, DpmTable),
1823 				     &tmp, pi->sram_end);
1824 	if (ret)
1825 		return ret;
1826 
1827 	pi->dpm_table_start = tmp;
1828 
1829 	ret = ci_read_smc_sram_dword(rdev,
1830 				     SMU7_FIRMWARE_HEADER_LOCATION +
1831 				     offsetof(SMU7_Firmware_Header, SoftRegisters),
1832 				     &tmp, pi->sram_end);
1833 	if (ret)
1834 		return ret;
1835 
1836 	pi->soft_regs_start = tmp;
1837 
1838 	ret = ci_read_smc_sram_dword(rdev,
1839 				     SMU7_FIRMWARE_HEADER_LOCATION +
1840 				     offsetof(SMU7_Firmware_Header, mcRegisterTable),
1841 				     &tmp, pi->sram_end);
1842 	if (ret)
1843 		return ret;
1844 
1845 	pi->mc_reg_table_start = tmp;
1846 
1847 	ret = ci_read_smc_sram_dword(rdev,
1848 				     SMU7_FIRMWARE_HEADER_LOCATION +
1849 				     offsetof(SMU7_Firmware_Header, FanTable),
1850 				     &tmp, pi->sram_end);
1851 	if (ret)
1852 		return ret;
1853 
1854 	pi->fan_table_start = tmp;
1855 
1856 	ret = ci_read_smc_sram_dword(rdev,
1857 				     SMU7_FIRMWARE_HEADER_LOCATION +
1858 				     offsetof(SMU7_Firmware_Header, mcArbDramTimingTable),
1859 				     &tmp, pi->sram_end);
1860 	if (ret)
1861 		return ret;
1862 
1863 	pi->arb_table_start = tmp;
1864 
1865 	return 0;
1866 }
1867 
ci_read_clock_registers(struct radeon_device * rdev)1868 static void ci_read_clock_registers(struct radeon_device *rdev)
1869 {
1870 	struct ci_power_info *pi = ci_get_pi(rdev);
1871 
1872 	pi->clock_registers.cg_spll_func_cntl =
1873 		RREG32_SMC(CG_SPLL_FUNC_CNTL);
1874 	pi->clock_registers.cg_spll_func_cntl_2 =
1875 		RREG32_SMC(CG_SPLL_FUNC_CNTL_2);
1876 	pi->clock_registers.cg_spll_func_cntl_3 =
1877 		RREG32_SMC(CG_SPLL_FUNC_CNTL_3);
1878 	pi->clock_registers.cg_spll_func_cntl_4 =
1879 		RREG32_SMC(CG_SPLL_FUNC_CNTL_4);
1880 	pi->clock_registers.cg_spll_spread_spectrum =
1881 		RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM);
1882 	pi->clock_registers.cg_spll_spread_spectrum_2 =
1883 		RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM_2);
1884 	pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
1885 	pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
1886 	pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
1887 	pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
1888 	pi->clock_registers.mpll_func_cntl = RREG32(MPLL_FUNC_CNTL);
1889 	pi->clock_registers.mpll_func_cntl_1 = RREG32(MPLL_FUNC_CNTL_1);
1890 	pi->clock_registers.mpll_func_cntl_2 = RREG32(MPLL_FUNC_CNTL_2);
1891 	pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
1892 	pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
1893 }
1894 
ci_init_sclk_t(struct radeon_device * rdev)1895 static void ci_init_sclk_t(struct radeon_device *rdev)
1896 {
1897 	struct ci_power_info *pi = ci_get_pi(rdev);
1898 
1899 	pi->low_sclk_interrupt_t = 0;
1900 }
1901 
ci_enable_thermal_protection(struct radeon_device * rdev,bool enable)1902 static void ci_enable_thermal_protection(struct radeon_device *rdev,
1903 					 bool enable)
1904 {
1905 	u32 tmp = RREG32_SMC(GENERAL_PWRMGT);
1906 
1907 	if (enable)
1908 		tmp &= ~THERMAL_PROTECTION_DIS;
1909 	else
1910 		tmp |= THERMAL_PROTECTION_DIS;
1911 	WREG32_SMC(GENERAL_PWRMGT, tmp);
1912 }
1913 
ci_enable_acpi_power_management(struct radeon_device * rdev)1914 static void ci_enable_acpi_power_management(struct radeon_device *rdev)
1915 {
1916 	u32 tmp = RREG32_SMC(GENERAL_PWRMGT);
1917 
1918 	tmp |= STATIC_PM_EN;
1919 
1920 	WREG32_SMC(GENERAL_PWRMGT, tmp);
1921 }
1922 
1923 #if 0
1924 static int ci_enter_ulp_state(struct radeon_device *rdev)
1925 {
1926 
1927 	WREG32(SMC_MESSAGE_0, PPSMC_MSG_SwitchToMinimumPower);
1928 
1929 	udelay(25000);
1930 
1931 	return 0;
1932 }
1933 
1934 static int ci_exit_ulp_state(struct radeon_device *rdev)
1935 {
1936 	int i;
1937 
1938 	WREG32(SMC_MESSAGE_0, PPSMC_MSG_ResumeFromMinimumPower);
1939 
1940 	udelay(7000);
1941 
1942 	for (i = 0; i < rdev->usec_timeout; i++) {
1943 		if (RREG32(SMC_RESP_0) == 1)
1944 			break;
1945 		udelay(1000);
1946 	}
1947 
1948 	return 0;
1949 }
1950 #endif
1951 
ci_notify_smc_display_change(struct radeon_device * rdev,bool has_display)1952 static int ci_notify_smc_display_change(struct radeon_device *rdev,
1953 					bool has_display)
1954 {
1955 	PPSMC_Msg msg = has_display ? PPSMC_MSG_HasDisplay : PPSMC_MSG_NoDisplay;
1956 
1957 	return (ci_send_msg_to_smc(rdev, msg) == PPSMC_Result_OK) ?  0 : -EINVAL;
1958 }
1959 
ci_enable_ds_master_switch(struct radeon_device * rdev,bool enable)1960 static int ci_enable_ds_master_switch(struct radeon_device *rdev,
1961 				      bool enable)
1962 {
1963 	struct ci_power_info *pi = ci_get_pi(rdev);
1964 
1965 	if (enable) {
1966 		if (pi->caps_sclk_ds) {
1967 			if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_ON) != PPSMC_Result_OK)
1968 				return -EINVAL;
1969 		} else {
1970 			if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK)
1971 				return -EINVAL;
1972 		}
1973 	} else {
1974 		if (pi->caps_sclk_ds) {
1975 			if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK)
1976 				return -EINVAL;
1977 		}
1978 	}
1979 
1980 	return 0;
1981 }
1982 
ci_program_display_gap(struct radeon_device * rdev)1983 static void ci_program_display_gap(struct radeon_device *rdev)
1984 {
1985 	u32 tmp = RREG32_SMC(CG_DISPLAY_GAP_CNTL);
1986 	u32 pre_vbi_time_in_us;
1987 	u32 frame_time_in_us;
1988 	u32 ref_clock = rdev->clock.spll.reference_freq;
1989 	u32 refresh_rate = r600_dpm_get_vrefresh(rdev);
1990 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
1991 
1992 	tmp &= ~DISP_GAP_MASK;
1993 	if (rdev->pm.dpm.new_active_crtc_count > 0)
1994 		tmp |= DISP_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM);
1995 	else
1996 		tmp |= DISP_GAP(R600_PM_DISPLAY_GAP_IGNORE);
1997 	WREG32_SMC(CG_DISPLAY_GAP_CNTL, tmp);
1998 
1999 	if (refresh_rate == 0)
2000 		refresh_rate = 60;
2001 	if (vblank_time == 0xffffffff)
2002 		vblank_time = 500;
2003 	frame_time_in_us = 1000000 / refresh_rate;
2004 	pre_vbi_time_in_us =
2005 		frame_time_in_us - 200 - vblank_time;
2006 	tmp = pre_vbi_time_in_us * (ref_clock / 100);
2007 
2008 	WREG32_SMC(CG_DISPLAY_GAP_CNTL2, tmp);
2009 	ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, PreVBlankGap), 0x64);
2010 	ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us));
2011 
2012 
2013 	ci_notify_smc_display_change(rdev, (rdev->pm.dpm.new_active_crtc_count == 1));
2014 
2015 }
2016 
ci_enable_spread_spectrum(struct radeon_device * rdev,bool enable)2017 static void ci_enable_spread_spectrum(struct radeon_device *rdev, bool enable)
2018 {
2019 	struct ci_power_info *pi = ci_get_pi(rdev);
2020 	u32 tmp;
2021 
2022 	if (enable) {
2023 		if (pi->caps_sclk_ss_support) {
2024 			tmp = RREG32_SMC(GENERAL_PWRMGT);
2025 			tmp |= DYN_SPREAD_SPECTRUM_EN;
2026 			WREG32_SMC(GENERAL_PWRMGT, tmp);
2027 		}
2028 	} else {
2029 		tmp = RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM);
2030 		tmp &= ~SSEN;
2031 		WREG32_SMC(CG_SPLL_SPREAD_SPECTRUM, tmp);
2032 
2033 		tmp = RREG32_SMC(GENERAL_PWRMGT);
2034 		tmp &= ~DYN_SPREAD_SPECTRUM_EN;
2035 		WREG32_SMC(GENERAL_PWRMGT, tmp);
2036 	}
2037 }
2038 
ci_program_sstp(struct radeon_device * rdev)2039 static void ci_program_sstp(struct radeon_device *rdev)
2040 {
2041 	WREG32_SMC(CG_SSP, (SSTU(R600_SSTU_DFLT) | SST(R600_SST_DFLT)));
2042 }
2043 
ci_enable_display_gap(struct radeon_device * rdev)2044 static void ci_enable_display_gap(struct radeon_device *rdev)
2045 {
2046 	u32 tmp = RREG32_SMC(CG_DISPLAY_GAP_CNTL);
2047 
2048 	tmp &= ~(DISP_GAP_MASK | DISP_GAP_MCHG_MASK);
2049 	tmp |= (DISP_GAP(R600_PM_DISPLAY_GAP_IGNORE) |
2050 		DISP_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK));
2051 
2052 	WREG32_SMC(CG_DISPLAY_GAP_CNTL, tmp);
2053 }
2054 
ci_program_vc(struct radeon_device * rdev)2055 static void ci_program_vc(struct radeon_device *rdev)
2056 {
2057 	u32 tmp;
2058 
2059 	tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
2060 	tmp &= ~(RESET_SCLK_CNT | RESET_BUSY_CNT);
2061 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
2062 
2063 	WREG32_SMC(CG_FTV_0, CISLANDS_VRC_DFLT0);
2064 	WREG32_SMC(CG_FTV_1, CISLANDS_VRC_DFLT1);
2065 	WREG32_SMC(CG_FTV_2, CISLANDS_VRC_DFLT2);
2066 	WREG32_SMC(CG_FTV_3, CISLANDS_VRC_DFLT3);
2067 	WREG32_SMC(CG_FTV_4, CISLANDS_VRC_DFLT4);
2068 	WREG32_SMC(CG_FTV_5, CISLANDS_VRC_DFLT5);
2069 	WREG32_SMC(CG_FTV_6, CISLANDS_VRC_DFLT6);
2070 	WREG32_SMC(CG_FTV_7, CISLANDS_VRC_DFLT7);
2071 }
2072 
ci_clear_vc(struct radeon_device * rdev)2073 static void ci_clear_vc(struct radeon_device *rdev)
2074 {
2075 	u32 tmp;
2076 
2077 	tmp = RREG32_SMC(SCLK_PWRMGT_CNTL);
2078 	tmp |= (RESET_SCLK_CNT | RESET_BUSY_CNT);
2079 	WREG32_SMC(SCLK_PWRMGT_CNTL, tmp);
2080 
2081 	WREG32_SMC(CG_FTV_0, 0);
2082 	WREG32_SMC(CG_FTV_1, 0);
2083 	WREG32_SMC(CG_FTV_2, 0);
2084 	WREG32_SMC(CG_FTV_3, 0);
2085 	WREG32_SMC(CG_FTV_4, 0);
2086 	WREG32_SMC(CG_FTV_5, 0);
2087 	WREG32_SMC(CG_FTV_6, 0);
2088 	WREG32_SMC(CG_FTV_7, 0);
2089 }
2090 
ci_upload_firmware(struct radeon_device * rdev)2091 static int ci_upload_firmware(struct radeon_device *rdev)
2092 {
2093 	struct ci_power_info *pi = ci_get_pi(rdev);
2094 	int i, ret;
2095 
2096 	for (i = 0; i < rdev->usec_timeout; i++) {
2097 		if (RREG32_SMC(RCU_UC_EVENTS) & BOOT_SEQ_DONE)
2098 			break;
2099 	}
2100 	WREG32_SMC(SMC_SYSCON_MISC_CNTL, 1);
2101 
2102 	ci_stop_smc_clock(rdev);
2103 	ci_reset_smc(rdev);
2104 
2105 	ret = ci_load_smc_ucode(rdev, pi->sram_end);
2106 
2107 	return ret;
2108 
2109 }
2110 
ci_get_svi2_voltage_table(struct radeon_device * rdev,struct radeon_clock_voltage_dependency_table * voltage_dependency_table,struct atom_voltage_table * voltage_table)2111 static int ci_get_svi2_voltage_table(struct radeon_device *rdev,
2112 				     struct radeon_clock_voltage_dependency_table *voltage_dependency_table,
2113 				     struct atom_voltage_table *voltage_table)
2114 {
2115 	u32 i;
2116 
2117 	if (voltage_dependency_table == NULL)
2118 		return -EINVAL;
2119 
2120 	voltage_table->mask_low = 0;
2121 	voltage_table->phase_delay = 0;
2122 
2123 	voltage_table->count = voltage_dependency_table->count;
2124 	for (i = 0; i < voltage_table->count; i++) {
2125 		voltage_table->entries[i].value = voltage_dependency_table->entries[i].v;
2126 		voltage_table->entries[i].smio_low = 0;
2127 	}
2128 
2129 	return 0;
2130 }
2131 
ci_construct_voltage_tables(struct radeon_device * rdev)2132 static int ci_construct_voltage_tables(struct radeon_device *rdev)
2133 {
2134 	struct ci_power_info *pi = ci_get_pi(rdev);
2135 	int ret;
2136 
2137 	if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2138 		ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_VDDC,
2139 						    VOLTAGE_OBJ_GPIO_LUT,
2140 						    &pi->vddc_voltage_table);
2141 		if (ret)
2142 			return ret;
2143 	} else if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2144 		ret = ci_get_svi2_voltage_table(rdev,
2145 						&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2146 						&pi->vddc_voltage_table);
2147 		if (ret)
2148 			return ret;
2149 	}
2150 
2151 	if (pi->vddc_voltage_table.count > SMU7_MAX_LEVELS_VDDC)
2152 		si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_VDDC,
2153 							 &pi->vddc_voltage_table);
2154 
2155 	if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2156 		ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_VDDCI,
2157 						    VOLTAGE_OBJ_GPIO_LUT,
2158 						    &pi->vddci_voltage_table);
2159 		if (ret)
2160 			return ret;
2161 	} else if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2162 		ret = ci_get_svi2_voltage_table(rdev,
2163 						&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2164 						&pi->vddci_voltage_table);
2165 		if (ret)
2166 			return ret;
2167 	}
2168 
2169 	if (pi->vddci_voltage_table.count > SMU7_MAX_LEVELS_VDDCI)
2170 		si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_VDDCI,
2171 							 &pi->vddci_voltage_table);
2172 
2173 	if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) {
2174 		ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_MVDDC,
2175 						    VOLTAGE_OBJ_GPIO_LUT,
2176 						    &pi->mvdd_voltage_table);
2177 		if (ret)
2178 			return ret;
2179 	} else if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
2180 		ret = ci_get_svi2_voltage_table(rdev,
2181 						&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
2182 						&pi->mvdd_voltage_table);
2183 		if (ret)
2184 			return ret;
2185 	}
2186 
2187 	if (pi->mvdd_voltage_table.count > SMU7_MAX_LEVELS_MVDD)
2188 		si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_MVDD,
2189 							 &pi->mvdd_voltage_table);
2190 
2191 	return 0;
2192 }
2193 
ci_populate_smc_voltage_table(struct radeon_device * rdev,struct atom_voltage_table_entry * voltage_table,SMU7_Discrete_VoltageLevel * smc_voltage_table)2194 static void ci_populate_smc_voltage_table(struct radeon_device *rdev,
2195 					  struct atom_voltage_table_entry *voltage_table,
2196 					  SMU7_Discrete_VoltageLevel *smc_voltage_table)
2197 {
2198 	int ret;
2199 
2200 	ret = ci_get_std_voltage_value_sidd(rdev, voltage_table,
2201 					    &smc_voltage_table->StdVoltageHiSidd,
2202 					    &smc_voltage_table->StdVoltageLoSidd);
2203 
2204 	if (ret) {
2205 		smc_voltage_table->StdVoltageHiSidd = voltage_table->value * VOLTAGE_SCALE;
2206 		smc_voltage_table->StdVoltageLoSidd = voltage_table->value * VOLTAGE_SCALE;
2207 	}
2208 
2209 	smc_voltage_table->Voltage = cpu_to_be16(voltage_table->value * VOLTAGE_SCALE);
2210 	smc_voltage_table->StdVoltageHiSidd =
2211 		cpu_to_be16(smc_voltage_table->StdVoltageHiSidd);
2212 	smc_voltage_table->StdVoltageLoSidd =
2213 		cpu_to_be16(smc_voltage_table->StdVoltageLoSidd);
2214 }
2215 
ci_populate_smc_vddc_table(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2216 static int ci_populate_smc_vddc_table(struct radeon_device *rdev,
2217 				      SMU7_Discrete_DpmTable *table)
2218 {
2219 	struct ci_power_info *pi = ci_get_pi(rdev);
2220 	unsigned int count;
2221 
2222 	table->VddcLevelCount = pi->vddc_voltage_table.count;
2223 	for (count = 0; count < table->VddcLevelCount; count++) {
2224 		ci_populate_smc_voltage_table(rdev,
2225 					      &pi->vddc_voltage_table.entries[count],
2226 					      &table->VddcLevel[count]);
2227 
2228 		if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2229 			table->VddcLevel[count].Smio |=
2230 				pi->vddc_voltage_table.entries[count].smio_low;
2231 		else
2232 			table->VddcLevel[count].Smio = 0;
2233 	}
2234 	table->VddcLevelCount = cpu_to_be32(table->VddcLevelCount);
2235 
2236 	return 0;
2237 }
2238 
ci_populate_smc_vddci_table(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2239 static int ci_populate_smc_vddci_table(struct radeon_device *rdev,
2240 				       SMU7_Discrete_DpmTable *table)
2241 {
2242 	unsigned int count;
2243 	struct ci_power_info *pi = ci_get_pi(rdev);
2244 
2245 	table->VddciLevelCount = pi->vddci_voltage_table.count;
2246 	for (count = 0; count < table->VddciLevelCount; count++) {
2247 		ci_populate_smc_voltage_table(rdev,
2248 					      &pi->vddci_voltage_table.entries[count],
2249 					      &table->VddciLevel[count]);
2250 
2251 		if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2252 			table->VddciLevel[count].Smio |=
2253 				pi->vddci_voltage_table.entries[count].smio_low;
2254 		else
2255 			table->VddciLevel[count].Smio = 0;
2256 	}
2257 	table->VddciLevelCount = cpu_to_be32(table->VddciLevelCount);
2258 
2259 	return 0;
2260 }
2261 
ci_populate_smc_mvdd_table(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2262 static int ci_populate_smc_mvdd_table(struct radeon_device *rdev,
2263 				      SMU7_Discrete_DpmTable *table)
2264 {
2265 	struct ci_power_info *pi = ci_get_pi(rdev);
2266 	unsigned int count;
2267 
2268 	table->MvddLevelCount = pi->mvdd_voltage_table.count;
2269 	for (count = 0; count < table->MvddLevelCount; count++) {
2270 		ci_populate_smc_voltage_table(rdev,
2271 					      &pi->mvdd_voltage_table.entries[count],
2272 					      &table->MvddLevel[count]);
2273 
2274 		if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO)
2275 			table->MvddLevel[count].Smio |=
2276 				pi->mvdd_voltage_table.entries[count].smio_low;
2277 		else
2278 			table->MvddLevel[count].Smio = 0;
2279 	}
2280 	table->MvddLevelCount = cpu_to_be32(table->MvddLevelCount);
2281 
2282 	return 0;
2283 }
2284 
ci_populate_smc_voltage_tables(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2285 static int ci_populate_smc_voltage_tables(struct radeon_device *rdev,
2286 					  SMU7_Discrete_DpmTable *table)
2287 {
2288 	int ret;
2289 
2290 	ret = ci_populate_smc_vddc_table(rdev, table);
2291 	if (ret)
2292 		return ret;
2293 
2294 	ret = ci_populate_smc_vddci_table(rdev, table);
2295 	if (ret)
2296 		return ret;
2297 
2298 	ret = ci_populate_smc_mvdd_table(rdev, table);
2299 	if (ret)
2300 		return ret;
2301 
2302 	return 0;
2303 }
2304 
ci_populate_mvdd_value(struct radeon_device * rdev,u32 mclk,SMU7_Discrete_VoltageLevel * voltage)2305 static int ci_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
2306 				  SMU7_Discrete_VoltageLevel *voltage)
2307 {
2308 	struct ci_power_info *pi = ci_get_pi(rdev);
2309 	u32 i = 0;
2310 
2311 	if (pi->mvdd_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
2312 		for (i = 0; i < rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count; i++) {
2313 			if (mclk <= rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries[i].clk) {
2314 				voltage->Voltage = pi->mvdd_voltage_table.entries[i].value;
2315 				break;
2316 			}
2317 		}
2318 
2319 		if (i >= rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count)
2320 			return -EINVAL;
2321 	}
2322 
2323 	return -EINVAL;
2324 }
2325 
ci_get_std_voltage_value_sidd(struct radeon_device * rdev,struct atom_voltage_table_entry * voltage_table,u16 * std_voltage_hi_sidd,u16 * std_voltage_lo_sidd)2326 static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev,
2327 					 struct atom_voltage_table_entry *voltage_table,
2328 					 u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd)
2329 {
2330 	u16 v_index, idx;
2331 	bool voltage_found = false;
2332 	*std_voltage_hi_sidd = voltage_table->value * VOLTAGE_SCALE;
2333 	*std_voltage_lo_sidd = voltage_table->value * VOLTAGE_SCALE;
2334 
2335 	if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries == NULL)
2336 		return -EINVAL;
2337 
2338 	if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
2339 		for (v_index = 0; (u32)v_index < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) {
2340 			if (voltage_table->value ==
2341 			    rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) {
2342 				voltage_found = true;
2343 				if ((u32)v_index < rdev->pm.dpm.dyn_state.cac_leakage_table.count)
2344 					idx = v_index;
2345 				else
2346 					idx = rdev->pm.dpm.dyn_state.cac_leakage_table.count - 1;
2347 				*std_voltage_lo_sidd =
2348 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE;
2349 				*std_voltage_hi_sidd =
2350 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE;
2351 				break;
2352 			}
2353 		}
2354 
2355 		if (!voltage_found) {
2356 			for (v_index = 0; (u32)v_index < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) {
2357 				if (voltage_table->value <=
2358 				    rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) {
2359 					voltage_found = true;
2360 					if ((u32)v_index < rdev->pm.dpm.dyn_state.cac_leakage_table.count)
2361 						idx = v_index;
2362 					else
2363 						idx = rdev->pm.dpm.dyn_state.cac_leakage_table.count - 1;
2364 					*std_voltage_lo_sidd =
2365 						rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE;
2366 					*std_voltage_hi_sidd =
2367 						rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE;
2368 					break;
2369 				}
2370 			}
2371 		}
2372 	}
2373 
2374 	return 0;
2375 }
2376 
ci_populate_phase_value_based_on_sclk(struct radeon_device * rdev,const struct radeon_phase_shedding_limits_table * limits,u32 sclk,u32 * phase_shedding)2377 static void ci_populate_phase_value_based_on_sclk(struct radeon_device *rdev,
2378 						  const struct radeon_phase_shedding_limits_table *limits,
2379 						  u32 sclk,
2380 						  u32 *phase_shedding)
2381 {
2382 	unsigned int i;
2383 
2384 	*phase_shedding = 1;
2385 
2386 	for (i = 0; i < limits->count; i++) {
2387 		if (sclk < limits->entries[i].sclk) {
2388 			*phase_shedding = i;
2389 			break;
2390 		}
2391 	}
2392 }
2393 
ci_populate_phase_value_based_on_mclk(struct radeon_device * rdev,const struct radeon_phase_shedding_limits_table * limits,u32 mclk,u32 * phase_shedding)2394 static void ci_populate_phase_value_based_on_mclk(struct radeon_device *rdev,
2395 						  const struct radeon_phase_shedding_limits_table *limits,
2396 						  u32 mclk,
2397 						  u32 *phase_shedding)
2398 {
2399 	unsigned int i;
2400 
2401 	*phase_shedding = 1;
2402 
2403 	for (i = 0; i < limits->count; i++) {
2404 		if (mclk < limits->entries[i].mclk) {
2405 			*phase_shedding = i;
2406 			break;
2407 		}
2408 	}
2409 }
2410 
ci_init_arb_table_index(struct radeon_device * rdev)2411 static int ci_init_arb_table_index(struct radeon_device *rdev)
2412 {
2413 	struct ci_power_info *pi = ci_get_pi(rdev);
2414 	u32 tmp;
2415 	int ret;
2416 
2417 	ret = ci_read_smc_sram_dword(rdev, pi->arb_table_start,
2418 				     &tmp, pi->sram_end);
2419 	if (ret)
2420 		return ret;
2421 
2422 	tmp &= 0x00FFFFFF;
2423 	tmp |= MC_CG_ARB_FREQ_F1 << 24;
2424 
2425 	return ci_write_smc_sram_dword(rdev, pi->arb_table_start,
2426 				       tmp, pi->sram_end);
2427 }
2428 
ci_get_dependency_volt_by_clk(struct radeon_device * rdev,struct radeon_clock_voltage_dependency_table * allowed_clock_voltage_table,u32 clock,u32 * voltage)2429 static int ci_get_dependency_volt_by_clk(struct radeon_device *rdev,
2430 					 struct radeon_clock_voltage_dependency_table *allowed_clock_voltage_table,
2431 					 u32 clock, u32 *voltage)
2432 {
2433 	u32 i = 0;
2434 
2435 	if (allowed_clock_voltage_table->count == 0)
2436 		return -EINVAL;
2437 
2438 	for (i = 0; i < allowed_clock_voltage_table->count; i++) {
2439 		if (allowed_clock_voltage_table->entries[i].clk >= clock) {
2440 			*voltage = allowed_clock_voltage_table->entries[i].v;
2441 			return 0;
2442 		}
2443 	}
2444 
2445 	*voltage = allowed_clock_voltage_table->entries[i-1].v;
2446 
2447 	return 0;
2448 }
2449 
ci_get_sleep_divider_id_from_clock(struct radeon_device * rdev,u32 sclk,u32 min_sclk_in_sr)2450 static u8 ci_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
2451 					     u32 sclk, u32 min_sclk_in_sr)
2452 {
2453 	u32 i;
2454 	u32 tmp;
2455 	u32 min = (min_sclk_in_sr > CISLAND_MINIMUM_ENGINE_CLOCK) ?
2456 		min_sclk_in_sr : CISLAND_MINIMUM_ENGINE_CLOCK;
2457 
2458 	if (sclk < min)
2459 		return 0;
2460 
2461 	for (i = CISLAND_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
2462 		tmp = sclk / (1 << i);
2463 		if (tmp >= min || i == 0)
2464 			break;
2465 	}
2466 
2467 	return (u8)i;
2468 }
2469 
ci_initial_switch_from_arb_f0_to_f1(struct radeon_device * rdev)2470 static int ci_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
2471 {
2472 	return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
2473 }
2474 
ci_reset_to_default(struct radeon_device * rdev)2475 static int ci_reset_to_default(struct radeon_device *rdev)
2476 {
2477 	return (ci_send_msg_to_smc(rdev, PPSMC_MSG_ResetToDefaults) == PPSMC_Result_OK) ?
2478 		0 : -EINVAL;
2479 }
2480 
ci_force_switch_to_arb_f0(struct radeon_device * rdev)2481 static int ci_force_switch_to_arb_f0(struct radeon_device *rdev)
2482 {
2483 	u32 tmp;
2484 
2485 	tmp = (RREG32_SMC(SMC_SCRATCH9) & 0x0000ff00) >> 8;
2486 
2487 	if (tmp == MC_CG_ARB_FREQ_F0)
2488 		return 0;
2489 
2490 	return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
2491 }
2492 
ci_register_patching_mc_arb(struct radeon_device * rdev,const u32 engine_clock,const u32 memory_clock,u32 * dram_timimg2)2493 static void ci_register_patching_mc_arb(struct radeon_device *rdev,
2494 					const u32 engine_clock,
2495 					const u32 memory_clock,
2496 					u32 *dram_timimg2)
2497 {
2498 	bool patch;
2499 	u32 tmp, tmp2;
2500 
2501 	tmp = RREG32(MC_SEQ_MISC0);
2502 	patch = ((tmp & 0x0000f00) == 0x300) ? true : false;
2503 
2504 	if (patch &&
2505 	    ((rdev->pdev->device == 0x67B0) ||
2506 	     (rdev->pdev->device == 0x67B1))) {
2507 		if ((memory_clock > 100000) && (memory_clock <= 125000)) {
2508 			tmp2 = (((0x31 * engine_clock) / 125000) - 1) & 0xff;
2509 			*dram_timimg2 &= ~0x00ff0000;
2510 			*dram_timimg2 |= tmp2 << 16;
2511 		} else if ((memory_clock > 125000) && (memory_clock <= 137500)) {
2512 			tmp2 = (((0x36 * engine_clock) / 137500) - 1) & 0xff;
2513 			*dram_timimg2 &= ~0x00ff0000;
2514 			*dram_timimg2 |= tmp2 << 16;
2515 		}
2516 	}
2517 }
2518 
2519 
ci_populate_memory_timing_parameters(struct radeon_device * rdev,u32 sclk,u32 mclk,SMU7_Discrete_MCArbDramTimingTableEntry * arb_regs)2520 static int ci_populate_memory_timing_parameters(struct radeon_device *rdev,
2521 						u32 sclk,
2522 						u32 mclk,
2523 						SMU7_Discrete_MCArbDramTimingTableEntry *arb_regs)
2524 {
2525 	u32 dram_timing;
2526 	u32 dram_timing2;
2527 	u32 burst_time;
2528 
2529 	radeon_atom_set_engine_dram_timings(rdev, sclk, mclk);
2530 
2531 	dram_timing  = RREG32(MC_ARB_DRAM_TIMING);
2532 	dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
2533 	burst_time = RREG32(MC_ARB_BURST_TIME) & STATE0_MASK;
2534 
2535 	ci_register_patching_mc_arb(rdev, sclk, mclk, &dram_timing2);
2536 
2537 	arb_regs->McArbDramTiming  = cpu_to_be32(dram_timing);
2538 	arb_regs->McArbDramTiming2 = cpu_to_be32(dram_timing2);
2539 	arb_regs->McArbBurstTime = (u8)burst_time;
2540 
2541 	return 0;
2542 }
2543 
ci_do_program_memory_timing_parameters(struct radeon_device * rdev)2544 static int ci_do_program_memory_timing_parameters(struct radeon_device *rdev)
2545 {
2546 	struct ci_power_info *pi = ci_get_pi(rdev);
2547 	SMU7_Discrete_MCArbDramTimingTable arb_regs;
2548 	u32 i, j;
2549 	int ret =  0;
2550 
2551 	memset(&arb_regs, 0, sizeof(SMU7_Discrete_MCArbDramTimingTable));
2552 
2553 	for (i = 0; i < pi->dpm_table.sclk_table.count; i++) {
2554 		for (j = 0; j < pi->dpm_table.mclk_table.count; j++) {
2555 			ret = ci_populate_memory_timing_parameters(rdev,
2556 								   pi->dpm_table.sclk_table.dpm_levels[i].value,
2557 								   pi->dpm_table.mclk_table.dpm_levels[j].value,
2558 								   &arb_regs.entries[i][j]);
2559 			if (ret)
2560 				break;
2561 		}
2562 	}
2563 
2564 	if (ret == 0)
2565 		ret = ci_copy_bytes_to_smc(rdev,
2566 					   pi->arb_table_start,
2567 					   (u8 *)&arb_regs,
2568 					   sizeof(SMU7_Discrete_MCArbDramTimingTable),
2569 					   pi->sram_end);
2570 
2571 	return ret;
2572 }
2573 
ci_program_memory_timing_parameters(struct radeon_device * rdev)2574 static int ci_program_memory_timing_parameters(struct radeon_device *rdev)
2575 {
2576 	struct ci_power_info *pi = ci_get_pi(rdev);
2577 
2578 	if (pi->need_update_smu7_dpm_table == 0)
2579 		return 0;
2580 
2581 	return ci_do_program_memory_timing_parameters(rdev);
2582 }
2583 
ci_populate_smc_initial_state(struct radeon_device * rdev,struct radeon_ps * radeon_boot_state)2584 static void ci_populate_smc_initial_state(struct radeon_device *rdev,
2585 					  struct radeon_ps *radeon_boot_state)
2586 {
2587 	struct ci_ps *boot_state = ci_get_ps(radeon_boot_state);
2588 	struct ci_power_info *pi = ci_get_pi(rdev);
2589 	u32 level = 0;
2590 
2591 	for (level = 0; level < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; level++) {
2592 		if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[level].clk >=
2593 		    boot_state->performance_levels[0].sclk) {
2594 			pi->smc_state_table.GraphicsBootLevel = level;
2595 			break;
2596 		}
2597 	}
2598 
2599 	for (level = 0; level < rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.count; level++) {
2600 		if (rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries[level].clk >=
2601 		    boot_state->performance_levels[0].mclk) {
2602 			pi->smc_state_table.MemoryBootLevel = level;
2603 			break;
2604 		}
2605 	}
2606 }
2607 
ci_get_dpm_level_enable_mask_value(struct ci_single_dpm_table * dpm_table)2608 static u32 ci_get_dpm_level_enable_mask_value(struct ci_single_dpm_table *dpm_table)
2609 {
2610 	u32 i;
2611 	u32 mask_value = 0;
2612 
2613 	for (i = dpm_table->count; i > 0; i--) {
2614 		mask_value = mask_value << 1;
2615 		if (dpm_table->dpm_levels[i-1].enabled)
2616 			mask_value |= 0x1;
2617 		else
2618 			mask_value &= 0xFFFFFFFE;
2619 	}
2620 
2621 	return mask_value;
2622 }
2623 
ci_populate_smc_link_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2624 static void ci_populate_smc_link_level(struct radeon_device *rdev,
2625 				       SMU7_Discrete_DpmTable *table)
2626 {
2627 	struct ci_power_info *pi = ci_get_pi(rdev);
2628 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
2629 	u32 i;
2630 
2631 	for (i = 0; i < dpm_table->pcie_speed_table.count; i++) {
2632 		table->LinkLevel[i].PcieGenSpeed =
2633 			(u8)dpm_table->pcie_speed_table.dpm_levels[i].value;
2634 		table->LinkLevel[i].PcieLaneCount =
2635 			r600_encode_pci_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
2636 		table->LinkLevel[i].EnabledForActivity = 1;
2637 		table->LinkLevel[i].DownT = cpu_to_be32(5);
2638 		table->LinkLevel[i].UpT = cpu_to_be32(30);
2639 	}
2640 
2641 	pi->smc_state_table.LinkLevelCount = (u8)dpm_table->pcie_speed_table.count;
2642 	pi->dpm_level_enable_mask.pcie_dpm_enable_mask =
2643 		ci_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
2644 }
2645 
ci_populate_smc_uvd_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2646 static int ci_populate_smc_uvd_level(struct radeon_device *rdev,
2647 				     SMU7_Discrete_DpmTable *table)
2648 {
2649 	u32 count;
2650 	struct atom_clock_dividers dividers;
2651 	int ret = -EINVAL;
2652 
2653 	table->UvdLevelCount =
2654 		rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count;
2655 
2656 	for (count = 0; count < table->UvdLevelCount; count++) {
2657 		table->UvdLevel[count].VclkFrequency =
2658 			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].vclk;
2659 		table->UvdLevel[count].DclkFrequency =
2660 			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].dclk;
2661 		table->UvdLevel[count].MinVddc =
2662 			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2663 		table->UvdLevel[count].MinVddcPhases = 1;
2664 
2665 		ret = radeon_atom_get_clock_dividers(rdev,
2666 						     COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2667 						     table->UvdLevel[count].VclkFrequency, false, &dividers);
2668 		if (ret)
2669 			return ret;
2670 
2671 		table->UvdLevel[count].VclkDivider = (u8)dividers.post_divider;
2672 
2673 		ret = radeon_atom_get_clock_dividers(rdev,
2674 						     COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2675 						     table->UvdLevel[count].DclkFrequency, false, &dividers);
2676 		if (ret)
2677 			return ret;
2678 
2679 		table->UvdLevel[count].DclkDivider = (u8)dividers.post_divider;
2680 
2681 		table->UvdLevel[count].VclkFrequency = cpu_to_be32(table->UvdLevel[count].VclkFrequency);
2682 		table->UvdLevel[count].DclkFrequency = cpu_to_be32(table->UvdLevel[count].DclkFrequency);
2683 		table->UvdLevel[count].MinVddc = cpu_to_be16(table->UvdLevel[count].MinVddc);
2684 	}
2685 
2686 	return ret;
2687 }
2688 
ci_populate_smc_vce_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2689 static int ci_populate_smc_vce_level(struct radeon_device *rdev,
2690 				     SMU7_Discrete_DpmTable *table)
2691 {
2692 	u32 count;
2693 	struct atom_clock_dividers dividers;
2694 	int ret = -EINVAL;
2695 
2696 	table->VceLevelCount =
2697 		rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count;
2698 
2699 	for (count = 0; count < table->VceLevelCount; count++) {
2700 		table->VceLevel[count].Frequency =
2701 			rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].evclk;
2702 		table->VceLevel[count].MinVoltage =
2703 			(u16)rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2704 		table->VceLevel[count].MinPhases = 1;
2705 
2706 		ret = radeon_atom_get_clock_dividers(rdev,
2707 						     COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2708 						     table->VceLevel[count].Frequency, false, &dividers);
2709 		if (ret)
2710 			return ret;
2711 
2712 		table->VceLevel[count].Divider = (u8)dividers.post_divider;
2713 
2714 		table->VceLevel[count].Frequency = cpu_to_be32(table->VceLevel[count].Frequency);
2715 		table->VceLevel[count].MinVoltage = cpu_to_be16(table->VceLevel[count].MinVoltage);
2716 	}
2717 
2718 	return ret;
2719 
2720 }
2721 
ci_populate_smc_acp_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2722 static int ci_populate_smc_acp_level(struct radeon_device *rdev,
2723 				     SMU7_Discrete_DpmTable *table)
2724 {
2725 	u32 count;
2726 	struct atom_clock_dividers dividers;
2727 	int ret = -EINVAL;
2728 
2729 	table->AcpLevelCount = (u8)
2730 		(rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count);
2731 
2732 	for (count = 0; count < table->AcpLevelCount; count++) {
2733 		table->AcpLevel[count].Frequency =
2734 			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].clk;
2735 		table->AcpLevel[count].MinVoltage =
2736 			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].v;
2737 		table->AcpLevel[count].MinPhases = 1;
2738 
2739 		ret = radeon_atom_get_clock_dividers(rdev,
2740 						     COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2741 						     table->AcpLevel[count].Frequency, false, &dividers);
2742 		if (ret)
2743 			return ret;
2744 
2745 		table->AcpLevel[count].Divider = (u8)dividers.post_divider;
2746 
2747 		table->AcpLevel[count].Frequency = cpu_to_be32(table->AcpLevel[count].Frequency);
2748 		table->AcpLevel[count].MinVoltage = cpu_to_be16(table->AcpLevel[count].MinVoltage);
2749 	}
2750 
2751 	return ret;
2752 }
2753 
ci_populate_smc_samu_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2754 static int ci_populate_smc_samu_level(struct radeon_device *rdev,
2755 				      SMU7_Discrete_DpmTable *table)
2756 {
2757 	u32 count;
2758 	struct atom_clock_dividers dividers;
2759 	int ret = -EINVAL;
2760 
2761 	table->SamuLevelCount =
2762 		rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count;
2763 
2764 	for (count = 0; count < table->SamuLevelCount; count++) {
2765 		table->SamuLevel[count].Frequency =
2766 			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].clk;
2767 		table->SamuLevel[count].MinVoltage =
2768 			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE;
2769 		table->SamuLevel[count].MinPhases = 1;
2770 
2771 		ret = radeon_atom_get_clock_dividers(rdev,
2772 						     COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
2773 						     table->SamuLevel[count].Frequency, false, &dividers);
2774 		if (ret)
2775 			return ret;
2776 
2777 		table->SamuLevel[count].Divider = (u8)dividers.post_divider;
2778 
2779 		table->SamuLevel[count].Frequency = cpu_to_be32(table->SamuLevel[count].Frequency);
2780 		table->SamuLevel[count].MinVoltage = cpu_to_be16(table->SamuLevel[count].MinVoltage);
2781 	}
2782 
2783 	return ret;
2784 }
2785 
ci_calculate_mclk_params(struct radeon_device * rdev,u32 memory_clock,SMU7_Discrete_MemoryLevel * mclk,bool strobe_mode,bool dll_state_on)2786 static int ci_calculate_mclk_params(struct radeon_device *rdev,
2787 				    u32 memory_clock,
2788 				    SMU7_Discrete_MemoryLevel *mclk,
2789 				    bool strobe_mode,
2790 				    bool dll_state_on)
2791 {
2792 	struct ci_power_info *pi = ci_get_pi(rdev);
2793 	u32  dll_cntl = pi->clock_registers.dll_cntl;
2794 	u32  mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl;
2795 	u32  mpll_ad_func_cntl = pi->clock_registers.mpll_ad_func_cntl;
2796 	u32  mpll_dq_func_cntl = pi->clock_registers.mpll_dq_func_cntl;
2797 	u32  mpll_func_cntl = pi->clock_registers.mpll_func_cntl;
2798 	u32  mpll_func_cntl_1 = pi->clock_registers.mpll_func_cntl_1;
2799 	u32  mpll_func_cntl_2 = pi->clock_registers.mpll_func_cntl_2;
2800 	u32  mpll_ss1 = pi->clock_registers.mpll_ss1;
2801 	u32  mpll_ss2 = pi->clock_registers.mpll_ss2;
2802 	struct atom_mpll_param mpll_param;
2803 	int ret;
2804 
2805 	ret = radeon_atom_get_memory_pll_dividers(rdev, memory_clock, strobe_mode, &mpll_param);
2806 	if (ret)
2807 		return ret;
2808 
2809 	mpll_func_cntl &= ~BWCTRL_MASK;
2810 	mpll_func_cntl |= BWCTRL(mpll_param.bwcntl);
2811 
2812 	mpll_func_cntl_1 &= ~(CLKF_MASK | CLKFRAC_MASK | VCO_MODE_MASK);
2813 	mpll_func_cntl_1 |= CLKF(mpll_param.clkf) |
2814 		CLKFRAC(mpll_param.clkfrac) | VCO_MODE(mpll_param.vco_mode);
2815 
2816 	mpll_ad_func_cntl &= ~YCLK_POST_DIV_MASK;
2817 	mpll_ad_func_cntl |= YCLK_POST_DIV(mpll_param.post_div);
2818 
2819 	if (pi->mem_gddr5) {
2820 		mpll_dq_func_cntl &= ~(YCLK_SEL_MASK | YCLK_POST_DIV_MASK);
2821 		mpll_dq_func_cntl |= YCLK_SEL(mpll_param.yclk_sel) |
2822 			YCLK_POST_DIV(mpll_param.post_div);
2823 	}
2824 
2825 	if (pi->caps_mclk_ss_support) {
2826 		struct radeon_atom_ss ss;
2827 		u32 freq_nom;
2828 		u32 tmp;
2829 		u32 reference_clock = rdev->clock.mpll.reference_freq;
2830 
2831 		if (mpll_param.qdr == 1)
2832 			freq_nom = memory_clock * 4 * (1 << mpll_param.post_div);
2833 		else
2834 			freq_nom = memory_clock * 2 * (1 << mpll_param.post_div);
2835 
2836 		tmp = (freq_nom / reference_clock);
2837 		tmp = tmp * tmp;
2838 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
2839 						     ASIC_INTERNAL_MEMORY_SS, freq_nom)) {
2840 			u32 clks = reference_clock * 5 / ss.rate;
2841 			u32 clkv = (u32)((((131 * ss.percentage * ss.rate) / 100) * tmp) / freq_nom);
2842 
2843 			mpll_ss1 &= ~CLKV_MASK;
2844 			mpll_ss1 |= CLKV(clkv);
2845 
2846 			mpll_ss2 &= ~CLKS_MASK;
2847 			mpll_ss2 |= CLKS(clks);
2848 		}
2849 	}
2850 
2851 	mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
2852 	mclk_pwrmgt_cntl |= DLL_SPEED(mpll_param.dll_speed);
2853 
2854 	if (dll_state_on)
2855 		mclk_pwrmgt_cntl |= MRDCK0_PDNB | MRDCK1_PDNB;
2856 	else
2857 		mclk_pwrmgt_cntl &= ~(MRDCK0_PDNB | MRDCK1_PDNB);
2858 
2859 	mclk->MclkFrequency = memory_clock;
2860 	mclk->MpllFuncCntl = mpll_func_cntl;
2861 	mclk->MpllFuncCntl_1 = mpll_func_cntl_1;
2862 	mclk->MpllFuncCntl_2 = mpll_func_cntl_2;
2863 	mclk->MpllAdFuncCntl = mpll_ad_func_cntl;
2864 	mclk->MpllDqFuncCntl = mpll_dq_func_cntl;
2865 	mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl;
2866 	mclk->DllCntl = dll_cntl;
2867 	mclk->MpllSs1 = mpll_ss1;
2868 	mclk->MpllSs2 = mpll_ss2;
2869 
2870 	return 0;
2871 }
2872 
ci_populate_single_memory_level(struct radeon_device * rdev,u32 memory_clock,SMU7_Discrete_MemoryLevel * memory_level)2873 static int ci_populate_single_memory_level(struct radeon_device *rdev,
2874 					   u32 memory_clock,
2875 					   SMU7_Discrete_MemoryLevel *memory_level)
2876 {
2877 	struct ci_power_info *pi = ci_get_pi(rdev);
2878 	int ret;
2879 	bool dll_state_on;
2880 
2881 	if (rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries) {
2882 		ret = ci_get_dependency_volt_by_clk(rdev,
2883 						    &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2884 						    memory_clock, &memory_level->MinVddc);
2885 		if (ret)
2886 			return ret;
2887 	}
2888 
2889 	if (rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries) {
2890 		ret = ci_get_dependency_volt_by_clk(rdev,
2891 						    &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2892 						    memory_clock, &memory_level->MinVddci);
2893 		if (ret)
2894 			return ret;
2895 	}
2896 
2897 	if (rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries) {
2898 		ret = ci_get_dependency_volt_by_clk(rdev,
2899 						    &rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
2900 						    memory_clock, &memory_level->MinMvdd);
2901 		if (ret)
2902 			return ret;
2903 	}
2904 
2905 	memory_level->MinVddcPhases = 1;
2906 
2907 	if (pi->vddc_phase_shed_control)
2908 		ci_populate_phase_value_based_on_mclk(rdev,
2909 						      &rdev->pm.dpm.dyn_state.phase_shedding_limits_table,
2910 						      memory_clock,
2911 						      &memory_level->MinVddcPhases);
2912 
2913 	memory_level->EnabledForThrottle = 1;
2914 	memory_level->UpH = 0;
2915 	memory_level->DownH = 100;
2916 	memory_level->VoltageDownH = 0;
2917 	memory_level->ActivityLevel = (u16)pi->mclk_activity_target;
2918 
2919 	memory_level->StutterEnable = false;
2920 	memory_level->StrobeEnable = false;
2921 	memory_level->EdcReadEnable = false;
2922 	memory_level->EdcWriteEnable = false;
2923 	memory_level->RttEnable = false;
2924 
2925 	memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
2926 
2927 	if (pi->mclk_stutter_mode_threshold &&
2928 	    (memory_clock <= pi->mclk_stutter_mode_threshold) &&
2929 	    (pi->uvd_enabled == false) &&
2930 	    (RREG32(DPG_PIPE_STUTTER_CONTROL) & STUTTER_ENABLE) &&
2931 	    (rdev->pm.dpm.new_active_crtc_count <= 2))
2932 		memory_level->StutterEnable = true;
2933 
2934 	if (pi->mclk_strobe_mode_threshold &&
2935 	    (memory_clock <= pi->mclk_strobe_mode_threshold))
2936 		memory_level->StrobeEnable = 1;
2937 
2938 	if (pi->mem_gddr5) {
2939 		memory_level->StrobeRatio =
2940 			si_get_mclk_frequency_ratio(memory_clock, memory_level->StrobeEnable);
2941 		if (pi->mclk_edc_enable_threshold &&
2942 		    (memory_clock > pi->mclk_edc_enable_threshold))
2943 			memory_level->EdcReadEnable = true;
2944 
2945 		if (pi->mclk_edc_wr_enable_threshold &&
2946 		    (memory_clock > pi->mclk_edc_wr_enable_threshold))
2947 			memory_level->EdcWriteEnable = true;
2948 
2949 		if (memory_level->StrobeEnable) {
2950 			if (si_get_mclk_frequency_ratio(memory_clock, true) >=
2951 			    ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
2952 				dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2953 			else
2954 				dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
2955 		} else {
2956 			dll_state_on = pi->dll_default_on;
2957 		}
2958 	} else {
2959 		memory_level->StrobeRatio = si_get_ddr3_mclk_frequency_ratio(memory_clock);
2960 		dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
2961 	}
2962 
2963 	ret = ci_calculate_mclk_params(rdev, memory_clock, memory_level, memory_level->StrobeEnable, dll_state_on);
2964 	if (ret)
2965 		return ret;
2966 
2967 	memory_level->MinVddc = cpu_to_be32(memory_level->MinVddc * VOLTAGE_SCALE);
2968 	memory_level->MinVddcPhases = cpu_to_be32(memory_level->MinVddcPhases);
2969 	memory_level->MinVddci = cpu_to_be32(memory_level->MinVddci * VOLTAGE_SCALE);
2970 	memory_level->MinMvdd = cpu_to_be32(memory_level->MinMvdd * VOLTAGE_SCALE);
2971 
2972 	memory_level->MclkFrequency = cpu_to_be32(memory_level->MclkFrequency);
2973 	memory_level->ActivityLevel = cpu_to_be16(memory_level->ActivityLevel);
2974 	memory_level->MpllFuncCntl = cpu_to_be32(memory_level->MpllFuncCntl);
2975 	memory_level->MpllFuncCntl_1 = cpu_to_be32(memory_level->MpllFuncCntl_1);
2976 	memory_level->MpllFuncCntl_2 = cpu_to_be32(memory_level->MpllFuncCntl_2);
2977 	memory_level->MpllAdFuncCntl = cpu_to_be32(memory_level->MpllAdFuncCntl);
2978 	memory_level->MpllDqFuncCntl = cpu_to_be32(memory_level->MpllDqFuncCntl);
2979 	memory_level->MclkPwrmgtCntl = cpu_to_be32(memory_level->MclkPwrmgtCntl);
2980 	memory_level->DllCntl = cpu_to_be32(memory_level->DllCntl);
2981 	memory_level->MpllSs1 = cpu_to_be32(memory_level->MpllSs1);
2982 	memory_level->MpllSs2 = cpu_to_be32(memory_level->MpllSs2);
2983 
2984 	return 0;
2985 }
2986 
ci_populate_smc_acpi_level(struct radeon_device * rdev,SMU7_Discrete_DpmTable * table)2987 static int ci_populate_smc_acpi_level(struct radeon_device *rdev,
2988 				      SMU7_Discrete_DpmTable *table)
2989 {
2990 	struct ci_power_info *pi = ci_get_pi(rdev);
2991 	struct atom_clock_dividers dividers;
2992 	SMU7_Discrete_VoltageLevel voltage_level;
2993 	u32 spll_func_cntl = pi->clock_registers.cg_spll_func_cntl;
2994 	u32 spll_func_cntl_2 = pi->clock_registers.cg_spll_func_cntl_2;
2995 	u32 dll_cntl = pi->clock_registers.dll_cntl;
2996 	u32 mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl;
2997 	int ret;
2998 
2999 	table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
3000 
3001 	if (pi->acpi_vddc)
3002 		table->ACPILevel.MinVddc = cpu_to_be32(pi->acpi_vddc * VOLTAGE_SCALE);
3003 	else
3004 		table->ACPILevel.MinVddc = cpu_to_be32(pi->min_vddc_in_pp_table * VOLTAGE_SCALE);
3005 
3006 	table->ACPILevel.MinVddcPhases = pi->vddc_phase_shed_control ? 0 : 1;
3007 
3008 	table->ACPILevel.SclkFrequency = rdev->clock.spll.reference_freq;
3009 
3010 	ret = radeon_atom_get_clock_dividers(rdev,
3011 					     COMPUTE_GPUCLK_INPUT_FLAG_SCLK,
3012 					     table->ACPILevel.SclkFrequency, false, &dividers);
3013 	if (ret)
3014 		return ret;
3015 
3016 	table->ACPILevel.SclkDid = (u8)dividers.post_divider;
3017 	table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
3018 	table->ACPILevel.DeepSleepDivId = 0;
3019 
3020 	spll_func_cntl &= ~SPLL_PWRON;
3021 	spll_func_cntl |= SPLL_RESET;
3022 
3023 	spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
3024 	spll_func_cntl_2 |= SCLK_MUX_SEL(4);
3025 
3026 	table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
3027 	table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
3028 	table->ACPILevel.CgSpllFuncCntl3 = pi->clock_registers.cg_spll_func_cntl_3;
3029 	table->ACPILevel.CgSpllFuncCntl4 = pi->clock_registers.cg_spll_func_cntl_4;
3030 	table->ACPILevel.SpllSpreadSpectrum = pi->clock_registers.cg_spll_spread_spectrum;
3031 	table->ACPILevel.SpllSpreadSpectrum2 = pi->clock_registers.cg_spll_spread_spectrum_2;
3032 	table->ACPILevel.CcPwrDynRm = 0;
3033 	table->ACPILevel.CcPwrDynRm1 = 0;
3034 
3035 	table->ACPILevel.Flags = cpu_to_be32(table->ACPILevel.Flags);
3036 	table->ACPILevel.MinVddcPhases = cpu_to_be32(table->ACPILevel.MinVddcPhases);
3037 	table->ACPILevel.SclkFrequency = cpu_to_be32(table->ACPILevel.SclkFrequency);
3038 	table->ACPILevel.CgSpllFuncCntl = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl);
3039 	table->ACPILevel.CgSpllFuncCntl2 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl2);
3040 	table->ACPILevel.CgSpllFuncCntl3 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl3);
3041 	table->ACPILevel.CgSpllFuncCntl4 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl4);
3042 	table->ACPILevel.SpllSpreadSpectrum = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum);
3043 	table->ACPILevel.SpllSpreadSpectrum2 = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum2);
3044 	table->ACPILevel.CcPwrDynRm = cpu_to_be32(table->ACPILevel.CcPwrDynRm);
3045 	table->ACPILevel.CcPwrDynRm1 = cpu_to_be32(table->ACPILevel.CcPwrDynRm1);
3046 
3047 	table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc;
3048 	table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;
3049 
3050 	if (pi->vddci_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
3051 		if (pi->acpi_vddci)
3052 			table->MemoryACPILevel.MinVddci =
3053 				cpu_to_be32(pi->acpi_vddci * VOLTAGE_SCALE);
3054 		else
3055 			table->MemoryACPILevel.MinVddci =
3056 				cpu_to_be32(pi->min_vddci_in_pp_table * VOLTAGE_SCALE);
3057 	}
3058 
3059 	if (ci_populate_mvdd_value(rdev, 0, &voltage_level))
3060 		table->MemoryACPILevel.MinMvdd = 0;
3061 	else
3062 		table->MemoryACPILevel.MinMvdd =
3063 			cpu_to_be32(voltage_level.Voltage * VOLTAGE_SCALE);
3064 
3065 	mclk_pwrmgt_cntl |= MRDCK0_RESET | MRDCK1_RESET;
3066 	mclk_pwrmgt_cntl &= ~(MRDCK0_PDNB | MRDCK1_PDNB);
3067 
3068 	dll_cntl &= ~(MRDCK0_BYPASS | MRDCK1_BYPASS);
3069 
3070 	table->MemoryACPILevel.DllCntl = cpu_to_be32(dll_cntl);
3071 	table->MemoryACPILevel.MclkPwrmgtCntl = cpu_to_be32(mclk_pwrmgt_cntl);
3072 	table->MemoryACPILevel.MpllAdFuncCntl =
3073 		cpu_to_be32(pi->clock_registers.mpll_ad_func_cntl);
3074 	table->MemoryACPILevel.MpllDqFuncCntl =
3075 		cpu_to_be32(pi->clock_registers.mpll_dq_func_cntl);
3076 	table->MemoryACPILevel.MpllFuncCntl =
3077 		cpu_to_be32(pi->clock_registers.mpll_func_cntl);
3078 	table->MemoryACPILevel.MpllFuncCntl_1 =
3079 		cpu_to_be32(pi->clock_registers.mpll_func_cntl_1);
3080 	table->MemoryACPILevel.MpllFuncCntl_2 =
3081 		cpu_to_be32(pi->clock_registers.mpll_func_cntl_2);
3082 	table->MemoryACPILevel.MpllSs1 = cpu_to_be32(pi->clock_registers.mpll_ss1);
3083 	table->MemoryACPILevel.MpllSs2 = cpu_to_be32(pi->clock_registers.mpll_ss2);
3084 
3085 	table->MemoryACPILevel.EnabledForThrottle = 0;
3086 	table->MemoryACPILevel.EnabledForActivity = 0;
3087 	table->MemoryACPILevel.UpH = 0;
3088 	table->MemoryACPILevel.DownH = 100;
3089 	table->MemoryACPILevel.VoltageDownH = 0;
3090 	table->MemoryACPILevel.ActivityLevel =
3091 		cpu_to_be16((u16)pi->mclk_activity_target);
3092 
3093 	table->MemoryACPILevel.StutterEnable = false;
3094 	table->MemoryACPILevel.StrobeEnable = false;
3095 	table->MemoryACPILevel.EdcReadEnable = false;
3096 	table->MemoryACPILevel.EdcWriteEnable = false;
3097 	table->MemoryACPILevel.RttEnable = false;
3098 
3099 	return 0;
3100 }
3101 
3102 
ci_enable_ulv(struct radeon_device * rdev,bool enable)3103 static int ci_enable_ulv(struct radeon_device *rdev, bool enable)
3104 {
3105 	struct ci_power_info *pi = ci_get_pi(rdev);
3106 	struct ci_ulv_parm *ulv = &pi->ulv;
3107 
3108 	if (ulv->supported) {
3109 		if (enable)
3110 			return (ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableULV) == PPSMC_Result_OK) ?
3111 				0 : -EINVAL;
3112 		else
3113 			return (ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableULV) == PPSMC_Result_OK) ?
3114 				0 : -EINVAL;
3115 	}
3116 
3117 	return 0;
3118 }
3119 
ci_populate_ulv_level(struct radeon_device * rdev,SMU7_Discrete_Ulv * state)3120 static int ci_populate_ulv_level(struct radeon_device *rdev,
3121 				 SMU7_Discrete_Ulv *state)
3122 {
3123 	struct ci_power_info *pi = ci_get_pi(rdev);
3124 	u16 ulv_voltage = rdev->pm.dpm.backbias_response_time;
3125 
3126 	state->CcPwrDynRm = 0;
3127 	state->CcPwrDynRm1 = 0;
3128 
3129 	if (ulv_voltage == 0) {
3130 		pi->ulv.supported = false;
3131 		return 0;
3132 	}
3133 
3134 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_BY_SVID2) {
3135 		if (ulv_voltage > rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v)
3136 			state->VddcOffset = 0;
3137 		else
3138 			state->VddcOffset =
3139 				rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage;
3140 	} else {
3141 		if (ulv_voltage > rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v)
3142 			state->VddcOffsetVid = 0;
3143 		else
3144 			state->VddcOffsetVid = (u8)
3145 				((rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage) *
3146 				 VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1);
3147 	}
3148 	state->VddcPhase = pi->vddc_phase_shed_control ? 0 : 1;
3149 
3150 	state->CcPwrDynRm = cpu_to_be32(state->CcPwrDynRm);
3151 	state->CcPwrDynRm1 = cpu_to_be32(state->CcPwrDynRm1);
3152 	state->VddcOffset = cpu_to_be16(state->VddcOffset);
3153 
3154 	return 0;
3155 }
3156 
ci_calculate_sclk_params(struct radeon_device * rdev,u32 engine_clock,SMU7_Discrete_GraphicsLevel * sclk)3157 static int ci_calculate_sclk_params(struct radeon_device *rdev,
3158 				    u32 engine_clock,
3159 				    SMU7_Discrete_GraphicsLevel *sclk)
3160 {
3161 	struct ci_power_info *pi = ci_get_pi(rdev);
3162 	struct atom_clock_dividers dividers;
3163 	u32 spll_func_cntl_3 = pi->clock_registers.cg_spll_func_cntl_3;
3164 	u32 spll_func_cntl_4 = pi->clock_registers.cg_spll_func_cntl_4;
3165 	u32 cg_spll_spread_spectrum = pi->clock_registers.cg_spll_spread_spectrum;
3166 	u32 cg_spll_spread_spectrum_2 = pi->clock_registers.cg_spll_spread_spectrum_2;
3167 	u32 reference_clock = rdev->clock.spll.reference_freq;
3168 	u32 reference_divider;
3169 	u32 fbdiv;
3170 	int ret;
3171 
3172 	ret = radeon_atom_get_clock_dividers(rdev,
3173 					     COMPUTE_GPUCLK_INPUT_FLAG_SCLK,
3174 					     engine_clock, false, &dividers);
3175 	if (ret)
3176 		return ret;
3177 
3178 	reference_divider = 1 + dividers.ref_div;
3179 	fbdiv = dividers.fb_div & 0x3FFFFFF;
3180 
3181 	spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
3182 	spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
3183 	spll_func_cntl_3 |= SPLL_DITHEN;
3184 
3185 	if (pi->caps_sclk_ss_support) {
3186 		struct radeon_atom_ss ss;
3187 		u32 vco_freq = engine_clock * dividers.post_div;
3188 
3189 		if (radeon_atombios_get_asic_ss_info(rdev, &ss,
3190 						     ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
3191 			u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
3192 			u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);
3193 
3194 			cg_spll_spread_spectrum &= ~CLK_S_MASK;
3195 			cg_spll_spread_spectrum |= CLK_S(clk_s);
3196 			cg_spll_spread_spectrum |= SSEN;
3197 
3198 			cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
3199 			cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
3200 		}
3201 	}
3202 
3203 	sclk->SclkFrequency = engine_clock;
3204 	sclk->CgSpllFuncCntl3 = spll_func_cntl_3;
3205 	sclk->CgSpllFuncCntl4 = spll_func_cntl_4;
3206 	sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum;
3207 	sclk->SpllSpreadSpectrum2  = cg_spll_spread_spectrum_2;
3208 	sclk->SclkDid = (u8)dividers.post_divider;
3209 
3210 	return 0;
3211 }
3212 
ci_populate_single_graphic_level(struct radeon_device * rdev,u32 engine_clock,u16 sclk_activity_level_t,SMU7_Discrete_GraphicsLevel * graphic_level)3213 static int ci_populate_single_graphic_level(struct radeon_device *rdev,
3214 					    u32 engine_clock,
3215 					    u16 sclk_activity_level_t,
3216 					    SMU7_Discrete_GraphicsLevel *graphic_level)
3217 {
3218 	struct ci_power_info *pi = ci_get_pi(rdev);
3219 	int ret;
3220 
3221 	ret = ci_calculate_sclk_params(rdev, engine_clock, graphic_level);
3222 	if (ret)
3223 		return ret;
3224 
3225 	ret = ci_get_dependency_volt_by_clk(rdev,
3226 					    &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
3227 					    engine_clock, &graphic_level->MinVddc);
3228 	if (ret)
3229 		return ret;
3230 
3231 	graphic_level->SclkFrequency = engine_clock;
3232 
3233 	graphic_level->Flags =  0;
3234 	graphic_level->MinVddcPhases = 1;
3235 
3236 	if (pi->vddc_phase_shed_control)
3237 		ci_populate_phase_value_based_on_sclk(rdev,
3238 						      &rdev->pm.dpm.dyn_state.phase_shedding_limits_table,
3239 						      engine_clock,
3240 						      &graphic_level->MinVddcPhases);
3241 
3242 	graphic_level->ActivityLevel = sclk_activity_level_t;
3243 
3244 	graphic_level->CcPwrDynRm = 0;
3245 	graphic_level->CcPwrDynRm1 = 0;
3246 	graphic_level->EnabledForThrottle = 1;
3247 	graphic_level->UpH = 0;
3248 	graphic_level->DownH = 0;
3249 	graphic_level->VoltageDownH = 0;
3250 	graphic_level->PowerThrottle = 0;
3251 
3252 	if (pi->caps_sclk_ds)
3253 		graphic_level->DeepSleepDivId = ci_get_sleep_divider_id_from_clock(rdev,
3254 										   engine_clock,
3255 										   CISLAND_MINIMUM_ENGINE_CLOCK);
3256 
3257 	graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
3258 
3259 	graphic_level->Flags = cpu_to_be32(graphic_level->Flags);
3260 	graphic_level->MinVddc = cpu_to_be32(graphic_level->MinVddc * VOLTAGE_SCALE);
3261 	graphic_level->MinVddcPhases = cpu_to_be32(graphic_level->MinVddcPhases);
3262 	graphic_level->SclkFrequency = cpu_to_be32(graphic_level->SclkFrequency);
3263 	graphic_level->ActivityLevel = cpu_to_be16(graphic_level->ActivityLevel);
3264 	graphic_level->CgSpllFuncCntl3 = cpu_to_be32(graphic_level->CgSpllFuncCntl3);
3265 	graphic_level->CgSpllFuncCntl4 = cpu_to_be32(graphic_level->CgSpllFuncCntl4);
3266 	graphic_level->SpllSpreadSpectrum = cpu_to_be32(graphic_level->SpllSpreadSpectrum);
3267 	graphic_level->SpllSpreadSpectrum2 = cpu_to_be32(graphic_level->SpllSpreadSpectrum2);
3268 	graphic_level->CcPwrDynRm = cpu_to_be32(graphic_level->CcPwrDynRm);
3269 	graphic_level->CcPwrDynRm1 = cpu_to_be32(graphic_level->CcPwrDynRm1);
3270 
3271 	return 0;
3272 }
3273 
ci_populate_all_graphic_levels(struct radeon_device * rdev)3274 static int ci_populate_all_graphic_levels(struct radeon_device *rdev)
3275 {
3276 	struct ci_power_info *pi = ci_get_pi(rdev);
3277 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
3278 	u32 level_array_address = pi->dpm_table_start +
3279 		offsetof(SMU7_Discrete_DpmTable, GraphicsLevel);
3280 	u32 level_array_size = sizeof(SMU7_Discrete_GraphicsLevel) *
3281 		SMU7_MAX_LEVELS_GRAPHICS;
3282 	SMU7_Discrete_GraphicsLevel *levels = pi->smc_state_table.GraphicsLevel;
3283 	u32 i, ret;
3284 
3285 	memset(levels, 0, level_array_size);
3286 
3287 	for (i = 0; i < dpm_table->sclk_table.count; i++) {
3288 		ret = ci_populate_single_graphic_level(rdev,
3289 						       dpm_table->sclk_table.dpm_levels[i].value,
3290 						       (u16)pi->activity_target[i],
3291 						       &pi->smc_state_table.GraphicsLevel[i]);
3292 		if (ret)
3293 			return ret;
3294 		if (i > 1)
3295 			pi->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
3296 		if (i == (dpm_table->sclk_table.count - 1))
3297 			pi->smc_state_table.GraphicsLevel[i].DisplayWatermark =
3298 				PPSMC_DISPLAY_WATERMARK_HIGH;
3299 	}
3300 	pi->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
3301 
3302 	pi->smc_state_table.GraphicsDpmLevelCount = (u8)dpm_table->sclk_table.count;
3303 	pi->dpm_level_enable_mask.sclk_dpm_enable_mask =
3304 		ci_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
3305 
3306 	ret = ci_copy_bytes_to_smc(rdev, level_array_address,
3307 				   (u8 *)levels, level_array_size,
3308 				   pi->sram_end);
3309 	if (ret)
3310 		return ret;
3311 
3312 	return 0;
3313 }
3314 
ci_populate_ulv_state(struct radeon_device * rdev,SMU7_Discrete_Ulv * ulv_level)3315 static int ci_populate_ulv_state(struct radeon_device *rdev,
3316 				 SMU7_Discrete_Ulv *ulv_level)
3317 {
3318 	return ci_populate_ulv_level(rdev, ulv_level);
3319 }
3320 
ci_populate_all_memory_levels(struct radeon_device * rdev)3321 static int ci_populate_all_memory_levels(struct radeon_device *rdev)
3322 {
3323 	struct ci_power_info *pi = ci_get_pi(rdev);
3324 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
3325 	u32 level_array_address = pi->dpm_table_start +
3326 		offsetof(SMU7_Discrete_DpmTable, MemoryLevel);
3327 	u32 level_array_size = sizeof(SMU7_Discrete_MemoryLevel) *
3328 		SMU7_MAX_LEVELS_MEMORY;
3329 	SMU7_Discrete_MemoryLevel *levels = pi->smc_state_table.MemoryLevel;
3330 	u32 i, ret;
3331 
3332 	memset(levels, 0, level_array_size);
3333 
3334 	for (i = 0; i < dpm_table->mclk_table.count; i++) {
3335 		if (dpm_table->mclk_table.dpm_levels[i].value == 0)
3336 			return -EINVAL;
3337 		ret = ci_populate_single_memory_level(rdev,
3338 						      dpm_table->mclk_table.dpm_levels[i].value,
3339 						      &pi->smc_state_table.MemoryLevel[i]);
3340 		if (ret)
3341 			return ret;
3342 	}
3343 
3344 	pi->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
3345 
3346 	if ((dpm_table->mclk_table.count >= 2) &&
3347 	    ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1))) {
3348 		pi->smc_state_table.MemoryLevel[1].MinVddc =
3349 			pi->smc_state_table.MemoryLevel[0].MinVddc;
3350 		pi->smc_state_table.MemoryLevel[1].MinVddcPhases =
3351 			pi->smc_state_table.MemoryLevel[0].MinVddcPhases;
3352 	}
3353 
3354 	pi->smc_state_table.MemoryLevel[0].ActivityLevel = cpu_to_be16(0x1F);
3355 
3356 	pi->smc_state_table.MemoryDpmLevelCount = (u8)dpm_table->mclk_table.count;
3357 	pi->dpm_level_enable_mask.mclk_dpm_enable_mask =
3358 		ci_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
3359 
3360 	pi->smc_state_table.MemoryLevel[dpm_table->mclk_table.count - 1].DisplayWatermark =
3361 		PPSMC_DISPLAY_WATERMARK_HIGH;
3362 
3363 	ret = ci_copy_bytes_to_smc(rdev, level_array_address,
3364 				   (u8 *)levels, level_array_size,
3365 				   pi->sram_end);
3366 	if (ret)
3367 		return ret;
3368 
3369 	return 0;
3370 }
3371 
ci_reset_single_dpm_table(struct radeon_device * rdev,struct ci_single_dpm_table * dpm_table,u32 count)3372 static void ci_reset_single_dpm_table(struct radeon_device *rdev,
3373 				      struct ci_single_dpm_table* dpm_table,
3374 				      u32 count)
3375 {
3376 	u32 i;
3377 
3378 	dpm_table->count = count;
3379 	for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++)
3380 		dpm_table->dpm_levels[i].enabled = false;
3381 }
3382 
ci_setup_pcie_table_entry(struct ci_single_dpm_table * dpm_table,u32 index,u32 pcie_gen,u32 pcie_lanes)3383 static void ci_setup_pcie_table_entry(struct ci_single_dpm_table* dpm_table,
3384 				      u32 index, u32 pcie_gen, u32 pcie_lanes)
3385 {
3386 	dpm_table->dpm_levels[index].value = pcie_gen;
3387 	dpm_table->dpm_levels[index].param1 = pcie_lanes;
3388 	dpm_table->dpm_levels[index].enabled = true;
3389 }
3390 
ci_setup_default_pcie_tables(struct radeon_device * rdev)3391 static int ci_setup_default_pcie_tables(struct radeon_device *rdev)
3392 {
3393 	struct ci_power_info *pi = ci_get_pi(rdev);
3394 
3395 	if (!pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels)
3396 		return -EINVAL;
3397 
3398 	if (pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels) {
3399 		pi->pcie_gen_powersaving = pi->pcie_gen_performance;
3400 		pi->pcie_lane_powersaving = pi->pcie_lane_performance;
3401 	} else if (!pi->use_pcie_performance_levels && pi->use_pcie_powersaving_levels) {
3402 		pi->pcie_gen_performance = pi->pcie_gen_powersaving;
3403 		pi->pcie_lane_performance = pi->pcie_lane_powersaving;
3404 	}
3405 
3406 	ci_reset_single_dpm_table(rdev,
3407 				  &pi->dpm_table.pcie_speed_table,
3408 				  SMU7_MAX_LEVELS_LINK);
3409 
3410 	if (rdev->family == CHIP_BONAIRE)
3411 		ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0,
3412 					  pi->pcie_gen_powersaving.min,
3413 					  pi->pcie_lane_powersaving.max);
3414 	else
3415 		ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0,
3416 					  pi->pcie_gen_powersaving.min,
3417 					  pi->pcie_lane_powersaving.min);
3418 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 1,
3419 				  pi->pcie_gen_performance.min,
3420 				  pi->pcie_lane_performance.min);
3421 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 2,
3422 				  pi->pcie_gen_powersaving.min,
3423 				  pi->pcie_lane_powersaving.max);
3424 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 3,
3425 				  pi->pcie_gen_performance.min,
3426 				  pi->pcie_lane_performance.max);
3427 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 4,
3428 				  pi->pcie_gen_powersaving.max,
3429 				  pi->pcie_lane_powersaving.max);
3430 	ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 5,
3431 				  pi->pcie_gen_performance.max,
3432 				  pi->pcie_lane_performance.max);
3433 
3434 	pi->dpm_table.pcie_speed_table.count = 6;
3435 
3436 	return 0;
3437 }
3438 
ci_setup_default_dpm_tables(struct radeon_device * rdev)3439 static int ci_setup_default_dpm_tables(struct radeon_device *rdev)
3440 {
3441 	struct ci_power_info *pi = ci_get_pi(rdev);
3442 	struct radeon_clock_voltage_dependency_table *allowed_sclk_vddc_table =
3443 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
3444 	struct radeon_clock_voltage_dependency_table *allowed_mclk_table =
3445 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk;
3446 	struct radeon_cac_leakage_table *std_voltage_table =
3447 		&rdev->pm.dpm.dyn_state.cac_leakage_table;
3448 	u32 i;
3449 
3450 	if (allowed_sclk_vddc_table == NULL)
3451 		return -EINVAL;
3452 	if (allowed_sclk_vddc_table->count < 1)
3453 		return -EINVAL;
3454 	if (allowed_mclk_table == NULL)
3455 		return -EINVAL;
3456 	if (allowed_mclk_table->count < 1)
3457 		return -EINVAL;
3458 
3459 	memset(&pi->dpm_table, 0, sizeof(struct ci_dpm_table));
3460 
3461 	ci_reset_single_dpm_table(rdev,
3462 				  &pi->dpm_table.sclk_table,
3463 				  SMU7_MAX_LEVELS_GRAPHICS);
3464 	ci_reset_single_dpm_table(rdev,
3465 				  &pi->dpm_table.mclk_table,
3466 				  SMU7_MAX_LEVELS_MEMORY);
3467 	ci_reset_single_dpm_table(rdev,
3468 				  &pi->dpm_table.vddc_table,
3469 				  SMU7_MAX_LEVELS_VDDC);
3470 	ci_reset_single_dpm_table(rdev,
3471 				  &pi->dpm_table.vddci_table,
3472 				  SMU7_MAX_LEVELS_VDDCI);
3473 	ci_reset_single_dpm_table(rdev,
3474 				  &pi->dpm_table.mvdd_table,
3475 				  SMU7_MAX_LEVELS_MVDD);
3476 
3477 	pi->dpm_table.sclk_table.count = 0;
3478 	for (i = 0; i < allowed_sclk_vddc_table->count; i++) {
3479 		if ((i == 0) ||
3480 		    (pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count-1].value !=
3481 		     allowed_sclk_vddc_table->entries[i].clk)) {
3482 			pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].value =
3483 				allowed_sclk_vddc_table->entries[i].clk;
3484 			pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].enabled =
3485 				(i == 0) ? true : false;
3486 			pi->dpm_table.sclk_table.count++;
3487 		}
3488 	}
3489 
3490 	pi->dpm_table.mclk_table.count = 0;
3491 	for (i = 0; i < allowed_mclk_table->count; i++) {
3492 		if ((i == 0) ||
3493 		    (pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count-1].value !=
3494 		     allowed_mclk_table->entries[i].clk)) {
3495 			pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].value =
3496 				allowed_mclk_table->entries[i].clk;
3497 			pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].enabled =
3498 				(i == 0) ? true : false;
3499 			pi->dpm_table.mclk_table.count++;
3500 		}
3501 	}
3502 
3503 	for (i = 0; i < allowed_sclk_vddc_table->count; i++) {
3504 		pi->dpm_table.vddc_table.dpm_levels[i].value =
3505 			allowed_sclk_vddc_table->entries[i].v;
3506 		pi->dpm_table.vddc_table.dpm_levels[i].param1 =
3507 			std_voltage_table->entries[i].leakage;
3508 		pi->dpm_table.vddc_table.dpm_levels[i].enabled = true;
3509 	}
3510 	pi->dpm_table.vddc_table.count = allowed_sclk_vddc_table->count;
3511 
3512 	allowed_mclk_table = &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk;
3513 	if (allowed_mclk_table) {
3514 		for (i = 0; i < allowed_mclk_table->count; i++) {
3515 			pi->dpm_table.vddci_table.dpm_levels[i].value =
3516 				allowed_mclk_table->entries[i].v;
3517 			pi->dpm_table.vddci_table.dpm_levels[i].enabled = true;
3518 		}
3519 		pi->dpm_table.vddci_table.count = allowed_mclk_table->count;
3520 	}
3521 
3522 	allowed_mclk_table = &rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk;
3523 	if (allowed_mclk_table) {
3524 		for (i = 0; i < allowed_mclk_table->count; i++) {
3525 			pi->dpm_table.mvdd_table.dpm_levels[i].value =
3526 				allowed_mclk_table->entries[i].v;
3527 			pi->dpm_table.mvdd_table.dpm_levels[i].enabled = true;
3528 		}
3529 		pi->dpm_table.mvdd_table.count = allowed_mclk_table->count;
3530 	}
3531 
3532 	ci_setup_default_pcie_tables(rdev);
3533 
3534 	return 0;
3535 }
3536 
ci_find_boot_level(struct ci_single_dpm_table * table,u32 value,u32 * boot_level)3537 static int ci_find_boot_level(struct ci_single_dpm_table *table,
3538 			      u32 value, u32 *boot_level)
3539 {
3540 	u32 i;
3541 	int ret = -EINVAL;
3542 
3543 	for(i = 0; i < table->count; i++) {
3544 		if (value == table->dpm_levels[i].value) {
3545 			*boot_level = i;
3546 			ret = 0;
3547 		}
3548 	}
3549 
3550 	return ret;
3551 }
3552 
ci_init_smc_table(struct radeon_device * rdev)3553 static int ci_init_smc_table(struct radeon_device *rdev)
3554 {
3555 	struct ci_power_info *pi = ci_get_pi(rdev);
3556 	struct ci_ulv_parm *ulv = &pi->ulv;
3557 	struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
3558 	SMU7_Discrete_DpmTable *table = &pi->smc_state_table;
3559 	int ret;
3560 
3561 	ret = ci_setup_default_dpm_tables(rdev);
3562 	if (ret)
3563 		return ret;
3564 
3565 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE)
3566 		ci_populate_smc_voltage_tables(rdev, table);
3567 
3568 	ci_init_fps_limits(rdev);
3569 
3570 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
3571 		table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
3572 
3573 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
3574 		table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
3575 
3576 	if (pi->mem_gddr5)
3577 		table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
3578 
3579 	if (ulv->supported) {
3580 		ret = ci_populate_ulv_state(rdev, &pi->smc_state_table.Ulv);
3581 		if (ret)
3582 			return ret;
3583 		WREG32_SMC(CG_ULV_PARAMETER, ulv->cg_ulv_parameter);
3584 	}
3585 
3586 	ret = ci_populate_all_graphic_levels(rdev);
3587 	if (ret)
3588 		return ret;
3589 
3590 	ret = ci_populate_all_memory_levels(rdev);
3591 	if (ret)
3592 		return ret;
3593 
3594 	ci_populate_smc_link_level(rdev, table);
3595 
3596 	ret = ci_populate_smc_acpi_level(rdev, table);
3597 	if (ret)
3598 		return ret;
3599 
3600 	ret = ci_populate_smc_vce_level(rdev, table);
3601 	if (ret)
3602 		return ret;
3603 
3604 	ret = ci_populate_smc_acp_level(rdev, table);
3605 	if (ret)
3606 		return ret;
3607 
3608 	ret = ci_populate_smc_samu_level(rdev, table);
3609 	if (ret)
3610 		return ret;
3611 
3612 	ret = ci_do_program_memory_timing_parameters(rdev);
3613 	if (ret)
3614 		return ret;
3615 
3616 	ret = ci_populate_smc_uvd_level(rdev, table);
3617 	if (ret)
3618 		return ret;
3619 
3620 	table->UvdBootLevel  = 0;
3621 	table->VceBootLevel  = 0;
3622 	table->AcpBootLevel  = 0;
3623 	table->SamuBootLevel  = 0;
3624 	table->GraphicsBootLevel  = 0;
3625 	table->MemoryBootLevel  = 0;
3626 
3627 	ret = ci_find_boot_level(&pi->dpm_table.sclk_table,
3628 				 pi->vbios_boot_state.sclk_bootup_value,
3629 				 (u32 *)&pi->smc_state_table.GraphicsBootLevel);
3630 
3631 	ret = ci_find_boot_level(&pi->dpm_table.mclk_table,
3632 				 pi->vbios_boot_state.mclk_bootup_value,
3633 				 (u32 *)&pi->smc_state_table.MemoryBootLevel);
3634 
3635 	table->BootVddc = pi->vbios_boot_state.vddc_bootup_value;
3636 	table->BootVddci = pi->vbios_boot_state.vddci_bootup_value;
3637 	table->BootMVdd = pi->vbios_boot_state.mvdd_bootup_value;
3638 
3639 	ci_populate_smc_initial_state(rdev, radeon_boot_state);
3640 
3641 	ret = ci_populate_bapm_parameters_in_dpm_table(rdev);
3642 	if (ret)
3643 		return ret;
3644 
3645 	table->UVDInterval = 1;
3646 	table->VCEInterval = 1;
3647 	table->ACPInterval = 1;
3648 	table->SAMUInterval = 1;
3649 	table->GraphicsVoltageChangeEnable = 1;
3650 	table->GraphicsThermThrottleEnable = 1;
3651 	table->GraphicsInterval = 1;
3652 	table->VoltageInterval = 1;
3653 	table->ThermalInterval = 1;
3654 	table->TemperatureLimitHigh = (u16)((pi->thermal_temp_setting.temperature_high *
3655 					     CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000);
3656 	table->TemperatureLimitLow = (u16)((pi->thermal_temp_setting.temperature_low *
3657 					    CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000);
3658 	table->MemoryVoltageChangeEnable = 1;
3659 	table->MemoryInterval = 1;
3660 	table->VoltageResponseTime = 0;
3661 	table->VddcVddciDelta = 4000;
3662 	table->PhaseResponseTime = 0;
3663 	table->MemoryThermThrottleEnable = 1;
3664 	table->PCIeBootLinkLevel = pi->dpm_table.pcie_speed_table.count - 1;
3665 	table->PCIeGenInterval = 1;
3666 	if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2)
3667 		table->SVI2Enable  = 1;
3668 	else
3669 		table->SVI2Enable  = 0;
3670 
3671 	table->ThermGpio = 17;
3672 	table->SclkStepSize = 0x4000;
3673 
3674 	table->SystemFlags = cpu_to_be32(table->SystemFlags);
3675 	table->SmioMaskVddcVid = cpu_to_be32(table->SmioMaskVddcVid);
3676 	table->SmioMaskVddcPhase = cpu_to_be32(table->SmioMaskVddcPhase);
3677 	table->SmioMaskVddciVid = cpu_to_be32(table->SmioMaskVddciVid);
3678 	table->SmioMaskMvddVid = cpu_to_be32(table->SmioMaskMvddVid);
3679 	table->SclkStepSize = cpu_to_be32(table->SclkStepSize);
3680 	table->TemperatureLimitHigh = cpu_to_be16(table->TemperatureLimitHigh);
3681 	table->TemperatureLimitLow = cpu_to_be16(table->TemperatureLimitLow);
3682 	table->VddcVddciDelta = cpu_to_be16(table->VddcVddciDelta);
3683 	table->VoltageResponseTime = cpu_to_be16(table->VoltageResponseTime);
3684 	table->PhaseResponseTime = cpu_to_be16(table->PhaseResponseTime);
3685 	table->BootVddc = cpu_to_be16(table->BootVddc * VOLTAGE_SCALE);
3686 	table->BootVddci = cpu_to_be16(table->BootVddci * VOLTAGE_SCALE);
3687 	table->BootMVdd = cpu_to_be16(table->BootMVdd * VOLTAGE_SCALE);
3688 
3689 	ret = ci_copy_bytes_to_smc(rdev,
3690 				   pi->dpm_table_start +
3691 				   offsetof(SMU7_Discrete_DpmTable, SystemFlags),
3692 				   (u8 *)&table->SystemFlags,
3693 				   sizeof(SMU7_Discrete_DpmTable) - 3 * sizeof(SMU7_PIDController),
3694 				   pi->sram_end);
3695 	if (ret)
3696 		return ret;
3697 
3698 	return 0;
3699 }
3700 
ci_trim_single_dpm_states(struct radeon_device * rdev,struct ci_single_dpm_table * dpm_table,u32 low_limit,u32 high_limit)3701 static void ci_trim_single_dpm_states(struct radeon_device *rdev,
3702 				      struct ci_single_dpm_table *dpm_table,
3703 				      u32 low_limit, u32 high_limit)
3704 {
3705 	u32 i;
3706 
3707 	for (i = 0; i < dpm_table->count; i++) {
3708 		if ((dpm_table->dpm_levels[i].value < low_limit) ||
3709 		    (dpm_table->dpm_levels[i].value > high_limit))
3710 			dpm_table->dpm_levels[i].enabled = false;
3711 		else
3712 			dpm_table->dpm_levels[i].enabled = true;
3713 	}
3714 }
3715 
ci_trim_pcie_dpm_states(struct radeon_device * rdev,u32 speed_low,u32 lanes_low,u32 speed_high,u32 lanes_high)3716 static void ci_trim_pcie_dpm_states(struct radeon_device *rdev,
3717 				    u32 speed_low, u32 lanes_low,
3718 				    u32 speed_high, u32 lanes_high)
3719 {
3720 	struct ci_power_info *pi = ci_get_pi(rdev);
3721 	struct ci_single_dpm_table *pcie_table = &pi->dpm_table.pcie_speed_table;
3722 	u32 i, j;
3723 
3724 	for (i = 0; i < pcie_table->count; i++) {
3725 		if ((pcie_table->dpm_levels[i].value < speed_low) ||
3726 		    (pcie_table->dpm_levels[i].param1 < lanes_low) ||
3727 		    (pcie_table->dpm_levels[i].value > speed_high) ||
3728 		    (pcie_table->dpm_levels[i].param1 > lanes_high))
3729 			pcie_table->dpm_levels[i].enabled = false;
3730 		else
3731 			pcie_table->dpm_levels[i].enabled = true;
3732 	}
3733 
3734 	for (i = 0; i < pcie_table->count; i++) {
3735 		if (pcie_table->dpm_levels[i].enabled) {
3736 			for (j = i + 1; j < pcie_table->count; j++) {
3737 				if (pcie_table->dpm_levels[j].enabled) {
3738 					if ((pcie_table->dpm_levels[i].value == pcie_table->dpm_levels[j].value) &&
3739 					    (pcie_table->dpm_levels[i].param1 == pcie_table->dpm_levels[j].param1))
3740 						pcie_table->dpm_levels[j].enabled = false;
3741 				}
3742 			}
3743 		}
3744 	}
3745 }
3746 
ci_trim_dpm_states(struct radeon_device * rdev,struct radeon_ps * radeon_state)3747 static int ci_trim_dpm_states(struct radeon_device *rdev,
3748 			      struct radeon_ps *radeon_state)
3749 {
3750 	struct ci_ps *state = ci_get_ps(radeon_state);
3751 	struct ci_power_info *pi = ci_get_pi(rdev);
3752 	u32 high_limit_count;
3753 
3754 	if (state->performance_level_count < 1)
3755 		return -EINVAL;
3756 
3757 	if (state->performance_level_count == 1)
3758 		high_limit_count = 0;
3759 	else
3760 		high_limit_count = 1;
3761 
3762 	ci_trim_single_dpm_states(rdev,
3763 				  &pi->dpm_table.sclk_table,
3764 				  state->performance_levels[0].sclk,
3765 				  state->performance_levels[high_limit_count].sclk);
3766 
3767 	ci_trim_single_dpm_states(rdev,
3768 				  &pi->dpm_table.mclk_table,
3769 				  state->performance_levels[0].mclk,
3770 				  state->performance_levels[high_limit_count].mclk);
3771 
3772 	ci_trim_pcie_dpm_states(rdev,
3773 				state->performance_levels[0].pcie_gen,
3774 				state->performance_levels[0].pcie_lane,
3775 				state->performance_levels[high_limit_count].pcie_gen,
3776 				state->performance_levels[high_limit_count].pcie_lane);
3777 
3778 	return 0;
3779 }
3780 
ci_apply_disp_minimum_voltage_request(struct radeon_device * rdev)3781 static int ci_apply_disp_minimum_voltage_request(struct radeon_device *rdev)
3782 {
3783 	struct radeon_clock_voltage_dependency_table *disp_voltage_table =
3784 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk;
3785 	struct radeon_clock_voltage_dependency_table *vddc_table =
3786 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
3787 	u32 requested_voltage = 0;
3788 	u32 i;
3789 
3790 	if (disp_voltage_table == NULL)
3791 		return -EINVAL;
3792 	if (!disp_voltage_table->count)
3793 		return -EINVAL;
3794 
3795 	for (i = 0; i < disp_voltage_table->count; i++) {
3796 		if (rdev->clock.current_dispclk == disp_voltage_table->entries[i].clk)
3797 			requested_voltage = disp_voltage_table->entries[i].v;
3798 	}
3799 
3800 	for (i = 0; i < vddc_table->count; i++) {
3801 		if (requested_voltage <= vddc_table->entries[i].v) {
3802 			requested_voltage = vddc_table->entries[i].v;
3803 			return (ci_send_msg_to_smc_with_parameter(rdev,
3804 								  PPSMC_MSG_VddC_Request,
3805 								  requested_voltage * VOLTAGE_SCALE) == PPSMC_Result_OK) ?
3806 				0 : -EINVAL;
3807 		}
3808 	}
3809 
3810 	return -EINVAL;
3811 }
3812 
ci_upload_dpm_level_enable_mask(struct radeon_device * rdev)3813 static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev)
3814 {
3815 	struct ci_power_info *pi = ci_get_pi(rdev);
3816 	PPSMC_Result result;
3817 
3818 	ci_apply_disp_minimum_voltage_request(rdev);
3819 
3820 	if (!pi->sclk_dpm_key_disabled) {
3821 		if (pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
3822 			result = ci_send_msg_to_smc_with_parameter(rdev,
3823 								   PPSMC_MSG_SCLKDPM_SetEnabledMask,
3824 								   pi->dpm_level_enable_mask.sclk_dpm_enable_mask);
3825 			if (result != PPSMC_Result_OK)
3826 				return -EINVAL;
3827 		}
3828 	}
3829 
3830 	if (!pi->mclk_dpm_key_disabled) {
3831 		if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
3832 			result = ci_send_msg_to_smc_with_parameter(rdev,
3833 								   PPSMC_MSG_MCLKDPM_SetEnabledMask,
3834 								   pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
3835 			if (result != PPSMC_Result_OK)
3836 				return -EINVAL;
3837 		}
3838 	}
3839 #if 0
3840 	if (!pi->pcie_dpm_key_disabled) {
3841 		if (pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
3842 			result = ci_send_msg_to_smc_with_parameter(rdev,
3843 								   PPSMC_MSG_PCIeDPM_SetEnabledMask,
3844 								   pi->dpm_level_enable_mask.pcie_dpm_enable_mask);
3845 			if (result != PPSMC_Result_OK)
3846 				return -EINVAL;
3847 		}
3848 	}
3849 #endif
3850 	return 0;
3851 }
3852 
ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device * rdev,struct radeon_ps * radeon_state)3853 static void ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device *rdev,
3854 						   struct radeon_ps *radeon_state)
3855 {
3856 	struct ci_power_info *pi = ci_get_pi(rdev);
3857 	struct ci_ps *state = ci_get_ps(radeon_state);
3858 	struct ci_single_dpm_table *sclk_table = &pi->dpm_table.sclk_table;
3859 	u32 sclk = state->performance_levels[state->performance_level_count-1].sclk;
3860 	struct ci_single_dpm_table *mclk_table = &pi->dpm_table.mclk_table;
3861 	u32 mclk = state->performance_levels[state->performance_level_count-1].mclk;
3862 	u32 i;
3863 
3864 	pi->need_update_smu7_dpm_table = 0;
3865 
3866 	for (i = 0; i < sclk_table->count; i++) {
3867 		if (sclk == sclk_table->dpm_levels[i].value)
3868 			break;
3869 	}
3870 
3871 	if (i >= sclk_table->count) {
3872 		pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
3873 	} else {
3874 		/* XXX The current code always reprogrammed the sclk levels,
3875 		 * but we don't currently handle disp sclk requirements
3876 		 * so just skip it.
3877 		 */
3878 		if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK)
3879 			pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
3880 	}
3881 
3882 	for (i = 0; i < mclk_table->count; i++) {
3883 		if (mclk == mclk_table->dpm_levels[i].value)
3884 			break;
3885 	}
3886 
3887 	if (i >= mclk_table->count)
3888 		pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
3889 
3890 	if (rdev->pm.dpm.current_active_crtc_count !=
3891 	    rdev->pm.dpm.new_active_crtc_count)
3892 		pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;
3893 }
3894 
ci_populate_and_upload_sclk_mclk_dpm_levels(struct radeon_device * rdev,struct radeon_ps * radeon_state)3895 static int ci_populate_and_upload_sclk_mclk_dpm_levels(struct radeon_device *rdev,
3896 						       struct radeon_ps *radeon_state)
3897 {
3898 	struct ci_power_info *pi = ci_get_pi(rdev);
3899 	struct ci_ps *state = ci_get_ps(radeon_state);
3900 	u32 sclk = state->performance_levels[state->performance_level_count-1].sclk;
3901 	u32 mclk = state->performance_levels[state->performance_level_count-1].mclk;
3902 	struct ci_dpm_table *dpm_table = &pi->dpm_table;
3903 	int ret;
3904 
3905 	if (!pi->need_update_smu7_dpm_table)
3906 		return 0;
3907 
3908 	if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK)
3909 		dpm_table->sclk_table.dpm_levels[dpm_table->sclk_table.count-1].value = sclk;
3910 
3911 	if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)
3912 		dpm_table->mclk_table.dpm_levels[dpm_table->mclk_table.count-1].value = mclk;
3913 
3914 	if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK)) {
3915 		ret = ci_populate_all_graphic_levels(rdev);
3916 		if (ret)
3917 			return ret;
3918 	}
3919 
3920 	if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK | DPMTABLE_UPDATE_MCLK)) {
3921 		ret = ci_populate_all_memory_levels(rdev);
3922 		if (ret)
3923 			return ret;
3924 	}
3925 
3926 	return 0;
3927 }
3928 
ci_enable_uvd_dpm(struct radeon_device * rdev,bool enable)3929 static int ci_enable_uvd_dpm(struct radeon_device *rdev, bool enable)
3930 {
3931 	struct ci_power_info *pi = ci_get_pi(rdev);
3932 	const struct radeon_clock_and_voltage_limits *max_limits;
3933 	int i;
3934 
3935 	if (rdev->pm.dpm.ac_power)
3936 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
3937 	else
3938 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
3939 
3940 	if (enable) {
3941 		pi->dpm_level_enable_mask.uvd_dpm_enable_mask = 0;
3942 
3943 		for (i = rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
3944 			if (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
3945 				pi->dpm_level_enable_mask.uvd_dpm_enable_mask |= 1 << i;
3946 
3947 				if (!pi->caps_uvd_dpm)
3948 					break;
3949 			}
3950 		}
3951 
3952 		ci_send_msg_to_smc_with_parameter(rdev,
3953 						  PPSMC_MSG_UVDDPM_SetEnabledMask,
3954 						  pi->dpm_level_enable_mask.uvd_dpm_enable_mask);
3955 
3956 		if (pi->last_mclk_dpm_enable_mask & 0x1) {
3957 			pi->uvd_enabled = true;
3958 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
3959 			ci_send_msg_to_smc_with_parameter(rdev,
3960 							  PPSMC_MSG_MCLKDPM_SetEnabledMask,
3961 							  pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
3962 		}
3963 	} else {
3964 		if (pi->last_mclk_dpm_enable_mask & 0x1) {
3965 			pi->uvd_enabled = false;
3966 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1;
3967 			ci_send_msg_to_smc_with_parameter(rdev,
3968 							  PPSMC_MSG_MCLKDPM_SetEnabledMask,
3969 							  pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
3970 		}
3971 	}
3972 
3973 	return (ci_send_msg_to_smc(rdev, enable ?
3974 				   PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable) == PPSMC_Result_OK) ?
3975 		0 : -EINVAL;
3976 }
3977 
ci_enable_vce_dpm(struct radeon_device * rdev,bool enable)3978 static int ci_enable_vce_dpm(struct radeon_device *rdev, bool enable)
3979 {
3980 	struct ci_power_info *pi = ci_get_pi(rdev);
3981 	const struct radeon_clock_and_voltage_limits *max_limits;
3982 	int i;
3983 
3984 	if (rdev->pm.dpm.ac_power)
3985 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
3986 	else
3987 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
3988 
3989 	if (enable) {
3990 		pi->dpm_level_enable_mask.vce_dpm_enable_mask = 0;
3991 		for (i = rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
3992 			if (rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
3993 				pi->dpm_level_enable_mask.vce_dpm_enable_mask |= 1 << i;
3994 
3995 				if (!pi->caps_vce_dpm)
3996 					break;
3997 			}
3998 		}
3999 
4000 		ci_send_msg_to_smc_with_parameter(rdev,
4001 						  PPSMC_MSG_VCEDPM_SetEnabledMask,
4002 						  pi->dpm_level_enable_mask.vce_dpm_enable_mask);
4003 	}
4004 
4005 	return (ci_send_msg_to_smc(rdev, enable ?
4006 				   PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable) == PPSMC_Result_OK) ?
4007 		0 : -EINVAL;
4008 }
4009 
4010 #if 0
4011 static int ci_enable_samu_dpm(struct radeon_device *rdev, bool enable)
4012 {
4013 	struct ci_power_info *pi = ci_get_pi(rdev);
4014 	const struct radeon_clock_and_voltage_limits *max_limits;
4015 	int i;
4016 
4017 	if (rdev->pm.dpm.ac_power)
4018 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4019 	else
4020 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4021 
4022 	if (enable) {
4023 		pi->dpm_level_enable_mask.samu_dpm_enable_mask = 0;
4024 		for (i = rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4025 			if (rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4026 				pi->dpm_level_enable_mask.samu_dpm_enable_mask |= 1 << i;
4027 
4028 				if (!pi->caps_samu_dpm)
4029 					break;
4030 			}
4031 		}
4032 
4033 		ci_send_msg_to_smc_with_parameter(rdev,
4034 						  PPSMC_MSG_SAMUDPM_SetEnabledMask,
4035 						  pi->dpm_level_enable_mask.samu_dpm_enable_mask);
4036 	}
4037 	return (ci_send_msg_to_smc(rdev, enable ?
4038 				   PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable) == PPSMC_Result_OK) ?
4039 		0 : -EINVAL;
4040 }
4041 
4042 static int ci_enable_acp_dpm(struct radeon_device *rdev, bool enable)
4043 {
4044 	struct ci_power_info *pi = ci_get_pi(rdev);
4045 	const struct radeon_clock_and_voltage_limits *max_limits;
4046 	int i;
4047 
4048 	if (rdev->pm.dpm.ac_power)
4049 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
4050 	else
4051 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
4052 
4053 	if (enable) {
4054 		pi->dpm_level_enable_mask.acp_dpm_enable_mask = 0;
4055 		for (i = rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count - 1; i >= 0; i--) {
4056 			if (rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) {
4057 				pi->dpm_level_enable_mask.acp_dpm_enable_mask |= 1 << i;
4058 
4059 				if (!pi->caps_acp_dpm)
4060 					break;
4061 			}
4062 		}
4063 
4064 		ci_send_msg_to_smc_with_parameter(rdev,
4065 						  PPSMC_MSG_ACPDPM_SetEnabledMask,
4066 						  pi->dpm_level_enable_mask.acp_dpm_enable_mask);
4067 	}
4068 
4069 	return (ci_send_msg_to_smc(rdev, enable ?
4070 				   PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable) == PPSMC_Result_OK) ?
4071 		0 : -EINVAL;
4072 }
4073 #endif
4074 
ci_update_uvd_dpm(struct radeon_device * rdev,bool gate)4075 static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate)
4076 {
4077 	struct ci_power_info *pi = ci_get_pi(rdev);
4078 	u32 tmp;
4079 
4080 	if (!gate) {
4081 		if (pi->caps_uvd_dpm ||
4082 		    (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count <= 0))
4083 			pi->smc_state_table.UvdBootLevel = 0;
4084 		else
4085 			pi->smc_state_table.UvdBootLevel =
4086 				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1;
4087 
4088 		tmp = RREG32_SMC(DPM_TABLE_475);
4089 		tmp &= ~UvdBootLevel_MASK;
4090 		tmp |= UvdBootLevel(pi->smc_state_table.UvdBootLevel);
4091 		WREG32_SMC(DPM_TABLE_475, tmp);
4092 	}
4093 
4094 	return ci_enable_uvd_dpm(rdev, !gate);
4095 }
4096 
ci_get_vce_boot_level(struct radeon_device * rdev)4097 static u8 ci_get_vce_boot_level(struct radeon_device *rdev)
4098 {
4099 	u8 i;
4100 	u32 min_evclk = 30000; /* ??? */
4101 	struct radeon_vce_clock_voltage_dependency_table *table =
4102 		&rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
4103 
4104 	for (i = 0; i < table->count; i++) {
4105 		if (table->entries[i].evclk >= min_evclk)
4106 			return i;
4107 	}
4108 
4109 	return table->count - 1;
4110 }
4111 
ci_update_vce_dpm(struct radeon_device * rdev,struct radeon_ps * radeon_new_state,struct radeon_ps * radeon_current_state)4112 static int ci_update_vce_dpm(struct radeon_device *rdev,
4113 			     struct radeon_ps *radeon_new_state,
4114 			     struct radeon_ps *radeon_current_state)
4115 {
4116 	struct ci_power_info *pi = ci_get_pi(rdev);
4117 	int ret = 0;
4118 	u32 tmp;
4119 
4120 	if (radeon_current_state->evclk != radeon_new_state->evclk) {
4121 		if (radeon_new_state->evclk) {
4122 			/* turn the clocks on when encoding */
4123 			cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
4124 
4125 			pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev);
4126 			tmp = RREG32_SMC(DPM_TABLE_475);
4127 			tmp &= ~VceBootLevel_MASK;
4128 			tmp |= VceBootLevel(pi->smc_state_table.VceBootLevel);
4129 			WREG32_SMC(DPM_TABLE_475, tmp);
4130 
4131 			ret = ci_enable_vce_dpm(rdev, true);
4132 		} else {
4133 			/* turn the clocks off when not encoding */
4134 			cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);
4135 
4136 			ret = ci_enable_vce_dpm(rdev, false);
4137 		}
4138 	}
4139 	return ret;
4140 }
4141 
4142 #if 0
4143 static int ci_update_samu_dpm(struct radeon_device *rdev, bool gate)
4144 {
4145 	return ci_enable_samu_dpm(rdev, gate);
4146 }
4147 
4148 static int ci_update_acp_dpm(struct radeon_device *rdev, bool gate)
4149 {
4150 	struct ci_power_info *pi = ci_get_pi(rdev);
4151 	u32 tmp;
4152 
4153 	if (!gate) {
4154 		pi->smc_state_table.AcpBootLevel = 0;
4155 
4156 		tmp = RREG32_SMC(DPM_TABLE_475);
4157 		tmp &= ~AcpBootLevel_MASK;
4158 		tmp |= AcpBootLevel(pi->smc_state_table.AcpBootLevel);
4159 		WREG32_SMC(DPM_TABLE_475, tmp);
4160 	}
4161 
4162 	return ci_enable_acp_dpm(rdev, !gate);
4163 }
4164 #endif
4165 
ci_generate_dpm_level_enable_mask(struct radeon_device * rdev,struct radeon_ps * radeon_state)4166 static int ci_generate_dpm_level_enable_mask(struct radeon_device *rdev,
4167 					     struct radeon_ps *radeon_state)
4168 {
4169 	struct ci_power_info *pi = ci_get_pi(rdev);
4170 	int ret;
4171 
4172 	ret = ci_trim_dpm_states(rdev, radeon_state);
4173 	if (ret)
4174 		return ret;
4175 
4176 	pi->dpm_level_enable_mask.sclk_dpm_enable_mask =
4177 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.sclk_table);
4178 	pi->dpm_level_enable_mask.mclk_dpm_enable_mask =
4179 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.mclk_table);
4180 	pi->last_mclk_dpm_enable_mask =
4181 		pi->dpm_level_enable_mask.mclk_dpm_enable_mask;
4182 	if (pi->uvd_enabled) {
4183 		if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask & 1)
4184 			pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
4185 	}
4186 	pi->dpm_level_enable_mask.pcie_dpm_enable_mask =
4187 		ci_get_dpm_level_enable_mask_value(&pi->dpm_table.pcie_speed_table);
4188 
4189 	return 0;
4190 }
4191 
ci_get_lowest_enabled_level(struct radeon_device * rdev,u32 level_mask)4192 static u32 ci_get_lowest_enabled_level(struct radeon_device *rdev,
4193 				       u32 level_mask)
4194 {
4195 	u32 level = 0;
4196 
4197 	while ((level_mask & (1 << level)) == 0)
4198 		level++;
4199 
4200 	return level;
4201 }
4202 
4203 
ci_dpm_force_performance_level(struct radeon_device * rdev,enum radeon_dpm_forced_level level)4204 int ci_dpm_force_performance_level(struct radeon_device *rdev,
4205 				   enum radeon_dpm_forced_level level)
4206 {
4207 	struct ci_power_info *pi = ci_get_pi(rdev);
4208 	u32 tmp, levels, i;
4209 	int ret;
4210 
4211 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
4212 		if ((!pi->pcie_dpm_key_disabled) &&
4213 		    pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
4214 			levels = 0;
4215 			tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask;
4216 			while (tmp >>= 1)
4217 				levels++;
4218 			if (levels) {
4219 				ret = ci_dpm_force_state_pcie(rdev, level);
4220 				if (ret)
4221 					return ret;
4222 				for (i = 0; i < rdev->usec_timeout; i++) {
4223 					tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) &
4224 					       CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT;
4225 					if (tmp == levels)
4226 						break;
4227 					udelay(1);
4228 				}
4229 			}
4230 		}
4231 		if ((!pi->sclk_dpm_key_disabled) &&
4232 		    pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
4233 			levels = 0;
4234 			tmp = pi->dpm_level_enable_mask.sclk_dpm_enable_mask;
4235 			while (tmp >>= 1)
4236 				levels++;
4237 			if (levels) {
4238 				ret = ci_dpm_force_state_sclk(rdev, levels);
4239 				if (ret)
4240 					return ret;
4241 				for (i = 0; i < rdev->usec_timeout; i++) {
4242 					tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) &
4243 					       CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT;
4244 					if (tmp == levels)
4245 						break;
4246 					udelay(1);
4247 				}
4248 			}
4249 		}
4250 		if ((!pi->mclk_dpm_key_disabled) &&
4251 		    pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
4252 			levels = 0;
4253 			tmp = pi->dpm_level_enable_mask.mclk_dpm_enable_mask;
4254 			while (tmp >>= 1)
4255 				levels++;
4256 			if (levels) {
4257 				ret = ci_dpm_force_state_mclk(rdev, levels);
4258 				if (ret)
4259 					return ret;
4260 				for (i = 0; i < rdev->usec_timeout; i++) {
4261 					tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) &
4262 					       CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT;
4263 					if (tmp == levels)
4264 						break;
4265 					udelay(1);
4266 				}
4267 			}
4268 		}
4269 	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
4270 		if ((!pi->sclk_dpm_key_disabled) &&
4271 		    pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
4272 			levels = ci_get_lowest_enabled_level(rdev,
4273 							     pi->dpm_level_enable_mask.sclk_dpm_enable_mask);
4274 			ret = ci_dpm_force_state_sclk(rdev, levels);
4275 			if (ret)
4276 				return ret;
4277 			for (i = 0; i < rdev->usec_timeout; i++) {
4278 				tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) &
4279 				       CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT;
4280 				if (tmp == levels)
4281 					break;
4282 				udelay(1);
4283 			}
4284 		}
4285 		if ((!pi->mclk_dpm_key_disabled) &&
4286 		    pi->dpm_level_enable_mask.mclk_dpm_enable_mask) {
4287 			levels = ci_get_lowest_enabled_level(rdev,
4288 							     pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
4289 			ret = ci_dpm_force_state_mclk(rdev, levels);
4290 			if (ret)
4291 				return ret;
4292 			for (i = 0; i < rdev->usec_timeout; i++) {
4293 				tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) &
4294 				       CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT;
4295 				if (tmp == levels)
4296 					break;
4297 				udelay(1);
4298 			}
4299 		}
4300 		if ((!pi->pcie_dpm_key_disabled) &&
4301 		    pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
4302 			levels = ci_get_lowest_enabled_level(rdev,
4303 							     pi->dpm_level_enable_mask.pcie_dpm_enable_mask);
4304 			ret = ci_dpm_force_state_pcie(rdev, levels);
4305 			if (ret)
4306 				return ret;
4307 			for (i = 0; i < rdev->usec_timeout; i++) {
4308 				tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) &
4309 				       CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT;
4310 				if (tmp == levels)
4311 					break;
4312 				udelay(1);
4313 			}
4314 		}
4315 	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
4316 		if (!pi->pcie_dpm_key_disabled) {
4317 			PPSMC_Result smc_result;
4318 
4319 			smc_result = ci_send_msg_to_smc(rdev,
4320 							PPSMC_MSG_PCIeDPM_UnForceLevel);
4321 			if (smc_result != PPSMC_Result_OK)
4322 				return -EINVAL;
4323 		}
4324 		ret = ci_upload_dpm_level_enable_mask(rdev);
4325 		if (ret)
4326 			return ret;
4327 	}
4328 
4329 	rdev->pm.dpm.forced_level = level;
4330 
4331 	return 0;
4332 }
4333 
ci_set_mc_special_registers(struct radeon_device * rdev,struct ci_mc_reg_table * table)4334 static int ci_set_mc_special_registers(struct radeon_device *rdev,
4335 				       struct ci_mc_reg_table *table)
4336 {
4337 	struct ci_power_info *pi = ci_get_pi(rdev);
4338 	u8 i, j, k;
4339 	u32 temp_reg;
4340 
4341 	for (i = 0, j = table->last; i < table->last; i++) {
4342 		if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4343 			return -EINVAL;
4344 		switch(table->mc_reg_address[i].s1 << 2) {
4345 		case MC_SEQ_MISC1:
4346 			temp_reg = RREG32(MC_PMG_CMD_EMRS);
4347 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
4348 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
4349 			for (k = 0; k < table->num_entries; k++) {
4350 				table->mc_reg_table_entry[k].mc_data[j] =
4351 					((temp_reg & 0xffff0000)) | ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
4352 			}
4353 			j++;
4354 			if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4355 				return -EINVAL;
4356 
4357 			temp_reg = RREG32(MC_PMG_CMD_MRS);
4358 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
4359 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
4360 			for (k = 0; k < table->num_entries; k++) {
4361 				table->mc_reg_table_entry[k].mc_data[j] =
4362 					(temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
4363 				if (!pi->mem_gddr5)
4364 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
4365 			}
4366 			j++;
4367 			if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4368 				return -EINVAL;
4369 
4370 			if (!pi->mem_gddr5) {
4371 				table->mc_reg_address[j].s1 = MC_PMG_AUTO_CMD >> 2;
4372 				table->mc_reg_address[j].s0 = MC_PMG_AUTO_CMD >> 2;
4373 				for (k = 0; k < table->num_entries; k++) {
4374 					table->mc_reg_table_entry[k].mc_data[j] =
4375 						(table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
4376 				}
4377 				j++;
4378 				if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4379 					return -EINVAL;
4380 			}
4381 			break;
4382 		case MC_SEQ_RESERVE_M:
4383 			temp_reg = RREG32(MC_PMG_CMD_MRS1);
4384 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
4385 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
4386 			for (k = 0; k < table->num_entries; k++) {
4387 				table->mc_reg_table_entry[k].mc_data[j] =
4388 					(temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
4389 			}
4390 			j++;
4391 			if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4392 				return -EINVAL;
4393 			break;
4394 		default:
4395 			break;
4396 		}
4397 
4398 	}
4399 
4400 	table->last = j;
4401 
4402 	return 0;
4403 }
4404 
ci_check_s0_mc_reg_index(u16 in_reg,u16 * out_reg)4405 static bool ci_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
4406 {
4407 	bool result = true;
4408 
4409 	switch(in_reg) {
4410 	case MC_SEQ_RAS_TIMING >> 2:
4411 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
4412 		break;
4413 	case MC_SEQ_DLL_STBY >> 2:
4414 		*out_reg = MC_SEQ_DLL_STBY_LP >> 2;
4415 		break;
4416 	case MC_SEQ_G5PDX_CMD0 >> 2:
4417 		*out_reg = MC_SEQ_G5PDX_CMD0_LP >> 2;
4418 		break;
4419 	case MC_SEQ_G5PDX_CMD1 >> 2:
4420 		*out_reg = MC_SEQ_G5PDX_CMD1_LP >> 2;
4421 		break;
4422 	case MC_SEQ_G5PDX_CTRL >> 2:
4423 		*out_reg = MC_SEQ_G5PDX_CTRL_LP >> 2;
4424 		break;
4425 	case MC_SEQ_CAS_TIMING >> 2:
4426 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
4427 		break;
4428 	case MC_SEQ_MISC_TIMING >> 2:
4429 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
4430 		break;
4431 	case MC_SEQ_MISC_TIMING2 >> 2:
4432 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
4433 		break;
4434 	case MC_SEQ_PMG_DVS_CMD >> 2:
4435 		*out_reg = MC_SEQ_PMG_DVS_CMD_LP >> 2;
4436 		break;
4437 	case MC_SEQ_PMG_DVS_CTL >> 2:
4438 		*out_reg = MC_SEQ_PMG_DVS_CTL_LP >> 2;
4439 		break;
4440 	case MC_SEQ_RD_CTL_D0 >> 2:
4441 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
4442 		break;
4443 	case MC_SEQ_RD_CTL_D1 >> 2:
4444 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
4445 		break;
4446 	case MC_SEQ_WR_CTL_D0 >> 2:
4447 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
4448 		break;
4449 	case MC_SEQ_WR_CTL_D1 >> 2:
4450 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
4451 		break;
4452 	case MC_PMG_CMD_EMRS >> 2:
4453 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
4454 		break;
4455 	case MC_PMG_CMD_MRS >> 2:
4456 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
4457 		break;
4458 	case MC_PMG_CMD_MRS1 >> 2:
4459 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
4460 		break;
4461 	case MC_SEQ_PMG_TIMING >> 2:
4462 		*out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
4463 		break;
4464 	case MC_PMG_CMD_MRS2 >> 2:
4465 		*out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
4466 		break;
4467 	case MC_SEQ_WR_CTL_2 >> 2:
4468 		*out_reg = MC_SEQ_WR_CTL_2_LP >> 2;
4469 		break;
4470 	default:
4471 		result = false;
4472 		break;
4473 	}
4474 
4475 	return result;
4476 }
4477 
ci_set_valid_flag(struct ci_mc_reg_table * table)4478 static void ci_set_valid_flag(struct ci_mc_reg_table *table)
4479 {
4480 	u8 i, j;
4481 
4482 	for (i = 0; i < table->last; i++) {
4483 		for (j = 1; j < table->num_entries; j++) {
4484 			if (table->mc_reg_table_entry[j-1].mc_data[i] !=
4485 			    table->mc_reg_table_entry[j].mc_data[i]) {
4486 				table->valid_flag |= 1 << i;
4487 				break;
4488 			}
4489 		}
4490 	}
4491 }
4492 
ci_set_s0_mc_reg_index(struct ci_mc_reg_table * table)4493 static void ci_set_s0_mc_reg_index(struct ci_mc_reg_table *table)
4494 {
4495 	u32 i;
4496 	u16 address;
4497 
4498 	for (i = 0; i < table->last; i++) {
4499 		table->mc_reg_address[i].s0 =
4500 			ci_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
4501 			address : table->mc_reg_address[i].s1;
4502 	}
4503 }
4504 
ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table * table,struct ci_mc_reg_table * ci_table)4505 static int ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table *table,
4506 				      struct ci_mc_reg_table *ci_table)
4507 {
4508 	u8 i, j;
4509 
4510 	if (table->last > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4511 		return -EINVAL;
4512 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
4513 		return -EINVAL;
4514 
4515 	for (i = 0; i < table->last; i++)
4516 		ci_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
4517 
4518 	ci_table->last = table->last;
4519 
4520 	for (i = 0; i < table->num_entries; i++) {
4521 		ci_table->mc_reg_table_entry[i].mclk_max =
4522 			table->mc_reg_table_entry[i].mclk_max;
4523 		for (j = 0; j < table->last; j++)
4524 			ci_table->mc_reg_table_entry[i].mc_data[j] =
4525 				table->mc_reg_table_entry[i].mc_data[j];
4526 	}
4527 	ci_table->num_entries = table->num_entries;
4528 
4529 	return 0;
4530 }
4531 
ci_register_patching_mc_seq(struct radeon_device * rdev,struct ci_mc_reg_table * table)4532 static int ci_register_patching_mc_seq(struct radeon_device *rdev,
4533 				       struct ci_mc_reg_table *table)
4534 {
4535 	u8 i, k;
4536 	u32 tmp;
4537 	bool patch;
4538 
4539 	tmp = RREG32(MC_SEQ_MISC0);
4540 	patch = ((tmp & 0x0000f00) == 0x300) ? true : false;
4541 
4542 	if (patch &&
4543 	    ((rdev->pdev->device == 0x67B0) ||
4544 	     (rdev->pdev->device == 0x67B1))) {
4545 		for (i = 0; i < table->last; i++) {
4546 			if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4547 				return -EINVAL;
4548 			switch(table->mc_reg_address[i].s1 >> 2) {
4549 			case MC_SEQ_MISC1:
4550 				for (k = 0; k < table->num_entries; k++) {
4551 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4552 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4553 						table->mc_reg_table_entry[k].mc_data[i] =
4554 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFF8) |
4555 							0x00000007;
4556 				}
4557 				break;
4558 			case MC_SEQ_WR_CTL_D0:
4559 				for (k = 0; k < table->num_entries; k++) {
4560 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4561 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4562 						table->mc_reg_table_entry[k].mc_data[i] =
4563 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
4564 							0x0000D0DD;
4565 				}
4566 				break;
4567 			case MC_SEQ_WR_CTL_D1:
4568 				for (k = 0; k < table->num_entries; k++) {
4569 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4570 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4571 						table->mc_reg_table_entry[k].mc_data[i] =
4572 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
4573 							0x0000D0DD;
4574 				}
4575 				break;
4576 			case MC_SEQ_WR_CTL_2:
4577 				for (k = 0; k < table->num_entries; k++) {
4578 					if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
4579 					    (table->mc_reg_table_entry[k].mclk_max == 137500))
4580 						table->mc_reg_table_entry[k].mc_data[i] = 0;
4581 				}
4582 				break;
4583 			case MC_SEQ_CAS_TIMING:
4584 				for (k = 0; k < table->num_entries; k++) {
4585 					if (table->mc_reg_table_entry[k].mclk_max == 125000)
4586 						table->mc_reg_table_entry[k].mc_data[i] =
4587 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
4588 							0x000C0140;
4589 					else if (table->mc_reg_table_entry[k].mclk_max == 137500)
4590 						table->mc_reg_table_entry[k].mc_data[i] =
4591 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
4592 							0x000C0150;
4593 				}
4594 				break;
4595 			case MC_SEQ_MISC_TIMING:
4596 				for (k = 0; k < table->num_entries; k++) {
4597 					if (table->mc_reg_table_entry[k].mclk_max == 125000)
4598 						table->mc_reg_table_entry[k].mc_data[i] =
4599 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
4600 							0x00000030;
4601 					else if (table->mc_reg_table_entry[k].mclk_max == 137500)
4602 						table->mc_reg_table_entry[k].mc_data[i] =
4603 							(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
4604 							0x00000035;
4605 				}
4606 				break;
4607 			default:
4608 				break;
4609 			}
4610 		}
4611 
4612 		WREG32(MC_SEQ_IO_DEBUG_INDEX, 3);
4613 		tmp = RREG32(MC_SEQ_IO_DEBUG_DATA);
4614 		tmp = (tmp & 0xFFF8FFFF) | (1 << 16);
4615 		WREG32(MC_SEQ_IO_DEBUG_INDEX, 3);
4616 		WREG32(MC_SEQ_IO_DEBUG_DATA, tmp);
4617 	}
4618 
4619 	return 0;
4620 }
4621 
ci_initialize_mc_reg_table(struct radeon_device * rdev)4622 static int ci_initialize_mc_reg_table(struct radeon_device *rdev)
4623 {
4624 	struct ci_power_info *pi = ci_get_pi(rdev);
4625 	struct atom_mc_reg_table *table;
4626 	struct ci_mc_reg_table *ci_table = &pi->mc_reg_table;
4627 	u8 module_index = rv770_get_memory_module_index(rdev);
4628 	int ret;
4629 
4630 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
4631 	if (!table)
4632 		return -ENOMEM;
4633 
4634 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
4635 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
4636 	WREG32(MC_SEQ_DLL_STBY_LP, RREG32(MC_SEQ_DLL_STBY));
4637 	WREG32(MC_SEQ_G5PDX_CMD0_LP, RREG32(MC_SEQ_G5PDX_CMD0));
4638 	WREG32(MC_SEQ_G5PDX_CMD1_LP, RREG32(MC_SEQ_G5PDX_CMD1));
4639 	WREG32(MC_SEQ_G5PDX_CTRL_LP, RREG32(MC_SEQ_G5PDX_CTRL));
4640 	WREG32(MC_SEQ_PMG_DVS_CMD_LP, RREG32(MC_SEQ_PMG_DVS_CMD));
4641 	WREG32(MC_SEQ_PMG_DVS_CTL_LP, RREG32(MC_SEQ_PMG_DVS_CTL));
4642 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
4643 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
4644 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
4645 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
4646 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
4647 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
4648 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
4649 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
4650 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
4651 	WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
4652 	WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));
4653 	WREG32(MC_SEQ_WR_CTL_2_LP, RREG32(MC_SEQ_WR_CTL_2));
4654 
4655 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
4656 	if (ret)
4657 		goto init_mc_done;
4658 
4659 	ret = ci_copy_vbios_mc_reg_table(table, ci_table);
4660 	if (ret)
4661 		goto init_mc_done;
4662 
4663 	ci_set_s0_mc_reg_index(ci_table);
4664 
4665 	ret = ci_register_patching_mc_seq(rdev, ci_table);
4666 	if (ret)
4667 		goto init_mc_done;
4668 
4669 	ret = ci_set_mc_special_registers(rdev, ci_table);
4670 	if (ret)
4671 		goto init_mc_done;
4672 
4673 	ci_set_valid_flag(ci_table);
4674 
4675 init_mc_done:
4676 	kfree(table);
4677 
4678 	return ret;
4679 }
4680 
ci_populate_mc_reg_addresses(struct radeon_device * rdev,SMU7_Discrete_MCRegisters * mc_reg_table)4681 static int ci_populate_mc_reg_addresses(struct radeon_device *rdev,
4682 					SMU7_Discrete_MCRegisters *mc_reg_table)
4683 {
4684 	struct ci_power_info *pi = ci_get_pi(rdev);
4685 	u32 i, j;
4686 
4687 	for (i = 0, j = 0; j < pi->mc_reg_table.last; j++) {
4688 		if (pi->mc_reg_table.valid_flag & (1 << j)) {
4689 			if (i >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
4690 				return -EINVAL;
4691 			mc_reg_table->address[i].s0 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s0);
4692 			mc_reg_table->address[i].s1 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s1);
4693 			i++;
4694 		}
4695 	}
4696 
4697 	mc_reg_table->last = (u8)i;
4698 
4699 	return 0;
4700 }
4701 
ci_convert_mc_registers(const struct ci_mc_reg_entry * entry,SMU7_Discrete_MCRegisterSet * data,u32 num_entries,u32 valid_flag)4702 static void ci_convert_mc_registers(const struct ci_mc_reg_entry *entry,
4703 				    SMU7_Discrete_MCRegisterSet *data,
4704 				    u32 num_entries, u32 valid_flag)
4705 {
4706 	u32 i, j;
4707 
4708 	for (i = 0, j = 0; j < num_entries; j++) {
4709 		if (valid_flag & (1 << j)) {
4710 			data->value[i] = cpu_to_be32(entry->mc_data[j]);
4711 			i++;
4712 		}
4713 	}
4714 }
4715 
ci_convert_mc_reg_table_entry_to_smc(struct radeon_device * rdev,const u32 memory_clock,SMU7_Discrete_MCRegisterSet * mc_reg_table_data)4716 static void ci_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
4717 						 const u32 memory_clock,
4718 						 SMU7_Discrete_MCRegisterSet *mc_reg_table_data)
4719 {
4720 	struct ci_power_info *pi = ci_get_pi(rdev);
4721 	u32 i = 0;
4722 
4723 	for(i = 0; i < pi->mc_reg_table.num_entries; i++) {
4724 		if (memory_clock <= pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
4725 			break;
4726 	}
4727 
4728 	if ((i == pi->mc_reg_table.num_entries) && (i > 0))
4729 		--i;
4730 
4731 	ci_convert_mc_registers(&pi->mc_reg_table.mc_reg_table_entry[i],
4732 				mc_reg_table_data, pi->mc_reg_table.last,
4733 				pi->mc_reg_table.valid_flag);
4734 }
4735 
ci_convert_mc_reg_table_to_smc(struct radeon_device * rdev,SMU7_Discrete_MCRegisters * mc_reg_table)4736 static void ci_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
4737 					   SMU7_Discrete_MCRegisters *mc_reg_table)
4738 {
4739 	struct ci_power_info *pi = ci_get_pi(rdev);
4740 	u32 i;
4741 
4742 	for (i = 0; i < pi->dpm_table.mclk_table.count; i++)
4743 		ci_convert_mc_reg_table_entry_to_smc(rdev,
4744 						     pi->dpm_table.mclk_table.dpm_levels[i].value,
4745 						     &mc_reg_table->data[i]);
4746 }
4747 
ci_populate_initial_mc_reg_table(struct radeon_device * rdev)4748 static int ci_populate_initial_mc_reg_table(struct radeon_device *rdev)
4749 {
4750 	struct ci_power_info *pi = ci_get_pi(rdev);
4751 	int ret;
4752 
4753 	memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters));
4754 
4755 	ret = ci_populate_mc_reg_addresses(rdev, &pi->smc_mc_reg_table);
4756 	if (ret)
4757 		return ret;
4758 	ci_convert_mc_reg_table_to_smc(rdev, &pi->smc_mc_reg_table);
4759 
4760 	return ci_copy_bytes_to_smc(rdev,
4761 				    pi->mc_reg_table_start,
4762 				    (u8 *)&pi->smc_mc_reg_table,
4763 				    sizeof(SMU7_Discrete_MCRegisters),
4764 				    pi->sram_end);
4765 }
4766 
ci_update_and_upload_mc_reg_table(struct radeon_device * rdev)4767 static int ci_update_and_upload_mc_reg_table(struct radeon_device *rdev)
4768 {
4769 	struct ci_power_info *pi = ci_get_pi(rdev);
4770 
4771 	if (!(pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
4772 		return 0;
4773 
4774 	memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters));
4775 
4776 	ci_convert_mc_reg_table_to_smc(rdev, &pi->smc_mc_reg_table);
4777 
4778 	return ci_copy_bytes_to_smc(rdev,
4779 				    pi->mc_reg_table_start +
4780 				    offsetof(SMU7_Discrete_MCRegisters, data[0]),
4781 				    (u8 *)&pi->smc_mc_reg_table.data[0],
4782 				    sizeof(SMU7_Discrete_MCRegisterSet) *
4783 				    pi->dpm_table.mclk_table.count,
4784 				    pi->sram_end);
4785 }
4786 
ci_enable_voltage_control(struct radeon_device * rdev)4787 static void ci_enable_voltage_control(struct radeon_device *rdev)
4788 {
4789 	u32 tmp = RREG32_SMC(GENERAL_PWRMGT);
4790 
4791 	tmp |= VOLT_PWRMGT_EN;
4792 	WREG32_SMC(GENERAL_PWRMGT, tmp);
4793 }
4794 
ci_get_maximum_link_speed(struct radeon_device * rdev,struct radeon_ps * radeon_state)4795 static enum radeon_pcie_gen ci_get_maximum_link_speed(struct radeon_device *rdev,
4796 						      struct radeon_ps *radeon_state)
4797 {
4798 	struct ci_ps *state = ci_get_ps(radeon_state);
4799 	int i;
4800 	u16 pcie_speed, max_speed = 0;
4801 
4802 	for (i = 0; i < state->performance_level_count; i++) {
4803 		pcie_speed = state->performance_levels[i].pcie_gen;
4804 		if (max_speed < pcie_speed)
4805 			max_speed = pcie_speed;
4806 	}
4807 
4808 	return max_speed;
4809 }
4810 
ci_get_current_pcie_speed(struct radeon_device * rdev)4811 static u16 ci_get_current_pcie_speed(struct radeon_device *rdev)
4812 {
4813 	u32 speed_cntl = 0;
4814 
4815 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & LC_CURRENT_DATA_RATE_MASK;
4816 	speed_cntl >>= LC_CURRENT_DATA_RATE_SHIFT;
4817 
4818 	return (u16)speed_cntl;
4819 }
4820 
ci_get_current_pcie_lane_number(struct radeon_device * rdev)4821 static int ci_get_current_pcie_lane_number(struct radeon_device *rdev)
4822 {
4823 	u32 link_width = 0;
4824 
4825 	link_width = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL) & LC_LINK_WIDTH_RD_MASK;
4826 	link_width >>= LC_LINK_WIDTH_RD_SHIFT;
4827 
4828 	switch (link_width) {
4829 	case RADEON_PCIE_LC_LINK_WIDTH_X1:
4830 		return 1;
4831 	case RADEON_PCIE_LC_LINK_WIDTH_X2:
4832 		return 2;
4833 	case RADEON_PCIE_LC_LINK_WIDTH_X4:
4834 		return 4;
4835 	case RADEON_PCIE_LC_LINK_WIDTH_X8:
4836 		return 8;
4837 	case RADEON_PCIE_LC_LINK_WIDTH_X12:
4838 		/* not actually supported */
4839 		return 12;
4840 	case RADEON_PCIE_LC_LINK_WIDTH_X0:
4841 	case RADEON_PCIE_LC_LINK_WIDTH_X16:
4842 	default:
4843 		return 16;
4844 	}
4845 }
4846 
ci_request_link_speed_change_before_state_change(struct radeon_device * rdev,struct radeon_ps * radeon_new_state,struct radeon_ps * radeon_current_state)4847 static void ci_request_link_speed_change_before_state_change(struct radeon_device *rdev,
4848 							     struct radeon_ps *radeon_new_state,
4849 							     struct radeon_ps *radeon_current_state)
4850 {
4851 	struct ci_power_info *pi = ci_get_pi(rdev);
4852 	enum radeon_pcie_gen target_link_speed =
4853 		ci_get_maximum_link_speed(rdev, radeon_new_state);
4854 	enum radeon_pcie_gen current_link_speed;
4855 
4856 	if (pi->force_pcie_gen == RADEON_PCIE_GEN_INVALID)
4857 		current_link_speed = ci_get_maximum_link_speed(rdev, radeon_current_state);
4858 	else
4859 		current_link_speed = pi->force_pcie_gen;
4860 
4861 	pi->force_pcie_gen = RADEON_PCIE_GEN_INVALID;
4862 	pi->pspp_notify_required = false;
4863 	if (target_link_speed > current_link_speed) {
4864 		switch (target_link_speed) {
4865 #ifdef CONFIG_ACPI
4866 		case RADEON_PCIE_GEN3:
4867 			if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN3, false) == 0)
4868 				break;
4869 			pi->force_pcie_gen = RADEON_PCIE_GEN2;
4870 			if (current_link_speed == RADEON_PCIE_GEN2)
4871 				break;
4872 		case RADEON_PCIE_GEN2:
4873 			if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
4874 				break;
4875 #endif
4876 		default:
4877 			pi->force_pcie_gen = ci_get_current_pcie_speed(rdev);
4878 			break;
4879 		}
4880 	} else {
4881 		if (target_link_speed < current_link_speed)
4882 			pi->pspp_notify_required = true;
4883 	}
4884 }
4885 
ci_notify_link_speed_change_after_state_change(struct radeon_device * rdev,struct radeon_ps * radeon_new_state,struct radeon_ps * radeon_current_state)4886 static void ci_notify_link_speed_change_after_state_change(struct radeon_device *rdev,
4887 							   struct radeon_ps *radeon_new_state,
4888 							   struct radeon_ps *radeon_current_state)
4889 {
4890 	struct ci_power_info *pi = ci_get_pi(rdev);
4891 	enum radeon_pcie_gen target_link_speed =
4892 		ci_get_maximum_link_speed(rdev, radeon_new_state);
4893 	u8 request;
4894 
4895 	if (pi->pspp_notify_required) {
4896 		if (target_link_speed == RADEON_PCIE_GEN3)
4897 			request = PCIE_PERF_REQ_PECI_GEN3;
4898 		else if (target_link_speed == RADEON_PCIE_GEN2)
4899 			request = PCIE_PERF_REQ_PECI_GEN2;
4900 		else
4901 			request = PCIE_PERF_REQ_PECI_GEN1;
4902 
4903 		if ((request == PCIE_PERF_REQ_PECI_GEN1) &&
4904 		    (ci_get_current_pcie_speed(rdev) > 0))
4905 			return;
4906 
4907 #ifdef CONFIG_ACPI
4908 		radeon_acpi_pcie_performance_request(rdev, request, false);
4909 #endif
4910 	}
4911 }
4912 
ci_set_private_data_variables_based_on_pptable(struct radeon_device * rdev)4913 static int ci_set_private_data_variables_based_on_pptable(struct radeon_device *rdev)
4914 {
4915 	struct ci_power_info *pi = ci_get_pi(rdev);
4916 	struct radeon_clock_voltage_dependency_table *allowed_sclk_vddc_table =
4917 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
4918 	struct radeon_clock_voltage_dependency_table *allowed_mclk_vddc_table =
4919 		&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk;
4920 	struct radeon_clock_voltage_dependency_table *allowed_mclk_vddci_table =
4921 		&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk;
4922 
4923 	if (allowed_sclk_vddc_table == NULL)
4924 		return -EINVAL;
4925 	if (allowed_sclk_vddc_table->count < 1)
4926 		return -EINVAL;
4927 	if (allowed_mclk_vddc_table == NULL)
4928 		return -EINVAL;
4929 	if (allowed_mclk_vddc_table->count < 1)
4930 		return -EINVAL;
4931 	if (allowed_mclk_vddci_table == NULL)
4932 		return -EINVAL;
4933 	if (allowed_mclk_vddci_table->count < 1)
4934 		return -EINVAL;
4935 
4936 	pi->min_vddc_in_pp_table = allowed_sclk_vddc_table->entries[0].v;
4937 	pi->max_vddc_in_pp_table =
4938 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
4939 
4940 	pi->min_vddci_in_pp_table = allowed_mclk_vddci_table->entries[0].v;
4941 	pi->max_vddci_in_pp_table =
4942 		allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
4943 
4944 	rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk =
4945 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
4946 	rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk =
4947 		allowed_mclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
4948 	rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc =
4949 		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
4950 	rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci =
4951 		allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
4952 
4953 	return 0;
4954 }
4955 
ci_patch_with_vddc_leakage(struct radeon_device * rdev,u16 * vddc)4956 static void ci_patch_with_vddc_leakage(struct radeon_device *rdev, u16 *vddc)
4957 {
4958 	struct ci_power_info *pi = ci_get_pi(rdev);
4959 	struct ci_leakage_voltage *leakage_table = &pi->vddc_leakage;
4960 	u32 leakage_index;
4961 
4962 	for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
4963 		if (leakage_table->leakage_id[leakage_index] == *vddc) {
4964 			*vddc = leakage_table->actual_voltage[leakage_index];
4965 			break;
4966 		}
4967 	}
4968 }
4969 
ci_patch_with_vddci_leakage(struct radeon_device * rdev,u16 * vddci)4970 static void ci_patch_with_vddci_leakage(struct radeon_device *rdev, u16 *vddci)
4971 {
4972 	struct ci_power_info *pi = ci_get_pi(rdev);
4973 	struct ci_leakage_voltage *leakage_table = &pi->vddci_leakage;
4974 	u32 leakage_index;
4975 
4976 	for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
4977 		if (leakage_table->leakage_id[leakage_index] == *vddci) {
4978 			*vddci = leakage_table->actual_voltage[leakage_index];
4979 			break;
4980 		}
4981 	}
4982 }
4983 
ci_patch_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device * rdev,struct radeon_clock_voltage_dependency_table * table)4984 static void ci_patch_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev,
4985 								      struct radeon_clock_voltage_dependency_table *table)
4986 {
4987 	u32 i;
4988 
4989 	if (table) {
4990 		for (i = 0; i < table->count; i++)
4991 			ci_patch_with_vddc_leakage(rdev, &table->entries[i].v);
4992 	}
4993 }
4994 
ci_patch_clock_voltage_dependency_table_with_vddci_leakage(struct radeon_device * rdev,struct radeon_clock_voltage_dependency_table * table)4995 static void ci_patch_clock_voltage_dependency_table_with_vddci_leakage(struct radeon_device *rdev,
4996 								       struct radeon_clock_voltage_dependency_table *table)
4997 {
4998 	u32 i;
4999 
5000 	if (table) {
5001 		for (i = 0; i < table->count; i++)
5002 			ci_patch_with_vddci_leakage(rdev, &table->entries[i].v);
5003 	}
5004 }
5005 
ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device * rdev,struct radeon_vce_clock_voltage_dependency_table * table)5006 static void ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev,
5007 									  struct radeon_vce_clock_voltage_dependency_table *table)
5008 {
5009 	u32 i;
5010 
5011 	if (table) {
5012 		for (i = 0; i < table->count; i++)
5013 			ci_patch_with_vddc_leakage(rdev, &table->entries[i].v);
5014 	}
5015 }
5016 
ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device * rdev,struct radeon_uvd_clock_voltage_dependency_table * table)5017 static void ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev,
5018 									  struct radeon_uvd_clock_voltage_dependency_table *table)
5019 {
5020 	u32 i;
5021 
5022 	if (table) {
5023 		for (i = 0; i < table->count; i++)
5024 			ci_patch_with_vddc_leakage(rdev, &table->entries[i].v);
5025 	}
5026 }
5027 
ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(struct radeon_device * rdev,struct radeon_phase_shedding_limits_table * table)5028 static void ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(struct radeon_device *rdev,
5029 								   struct radeon_phase_shedding_limits_table *table)
5030 {
5031 	u32 i;
5032 
5033 	if (table) {
5034 		for (i = 0; i < table->count; i++)
5035 			ci_patch_with_vddc_leakage(rdev, &table->entries[i].voltage);
5036 	}
5037 }
5038 
ci_patch_clock_voltage_limits_with_vddc_leakage(struct radeon_device * rdev,struct radeon_clock_and_voltage_limits * table)5039 static void ci_patch_clock_voltage_limits_with_vddc_leakage(struct radeon_device *rdev,
5040 							    struct radeon_clock_and_voltage_limits *table)
5041 {
5042 	if (table) {
5043 		ci_patch_with_vddc_leakage(rdev, (u16 *)&table->vddc);
5044 		ci_patch_with_vddci_leakage(rdev, (u16 *)&table->vddci);
5045 	}
5046 }
5047 
ci_patch_cac_leakage_table_with_vddc_leakage(struct radeon_device * rdev,struct radeon_cac_leakage_table * table)5048 static void ci_patch_cac_leakage_table_with_vddc_leakage(struct radeon_device *rdev,
5049 							 struct radeon_cac_leakage_table *table)
5050 {
5051 	u32 i;
5052 
5053 	if (table) {
5054 		for (i = 0; i < table->count; i++)
5055 			ci_patch_with_vddc_leakage(rdev, &table->entries[i].vddc);
5056 	}
5057 }
5058 
ci_patch_dependency_tables_with_leakage(struct radeon_device * rdev)5059 static void ci_patch_dependency_tables_with_leakage(struct radeon_device *rdev)
5060 {
5061 
5062 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5063 								  &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);
5064 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5065 								  &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
5066 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5067 								  &rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk);
5068 	ci_patch_clock_voltage_dependency_table_with_vddci_leakage(rdev,
5069 								   &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk);
5070 	ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5071 								      &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table);
5072 	ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5073 								      &rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table);
5074 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5075 								  &rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table);
5076 	ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev,
5077 								  &rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table);
5078 	ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(rdev,
5079 							       &rdev->pm.dpm.dyn_state.phase_shedding_limits_table);
5080 	ci_patch_clock_voltage_limits_with_vddc_leakage(rdev,
5081 							&rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
5082 	ci_patch_clock_voltage_limits_with_vddc_leakage(rdev,
5083 							&rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc);
5084 	ci_patch_cac_leakage_table_with_vddc_leakage(rdev,
5085 						     &rdev->pm.dpm.dyn_state.cac_leakage_table);
5086 
5087 }
5088 
ci_get_memory_type(struct radeon_device * rdev)5089 static void ci_get_memory_type(struct radeon_device *rdev)
5090 {
5091 	struct ci_power_info *pi = ci_get_pi(rdev);
5092 	u32 tmp;
5093 
5094 	tmp = RREG32(MC_SEQ_MISC0);
5095 
5096 	if (((tmp & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT) ==
5097 	    MC_SEQ_MISC0_GDDR5_VALUE)
5098 		pi->mem_gddr5 = true;
5099 	else
5100 		pi->mem_gddr5 = false;
5101 
5102 }
5103 
ci_update_current_ps(struct radeon_device * rdev,struct radeon_ps * rps)5104 static void ci_update_current_ps(struct radeon_device *rdev,
5105 				 struct radeon_ps *rps)
5106 {
5107 	struct ci_ps *new_ps = ci_get_ps(rps);
5108 	struct ci_power_info *pi = ci_get_pi(rdev);
5109 
5110 	pi->current_rps = *rps;
5111 	pi->current_ps = *new_ps;
5112 	pi->current_rps.ps_priv = &pi->current_ps;
5113 }
5114 
ci_update_requested_ps(struct radeon_device * rdev,struct radeon_ps * rps)5115 static void ci_update_requested_ps(struct radeon_device *rdev,
5116 				   struct radeon_ps *rps)
5117 {
5118 	struct ci_ps *new_ps = ci_get_ps(rps);
5119 	struct ci_power_info *pi = ci_get_pi(rdev);
5120 
5121 	pi->requested_rps = *rps;
5122 	pi->requested_ps = *new_ps;
5123 	pi->requested_rps.ps_priv = &pi->requested_ps;
5124 }
5125 
ci_dpm_pre_set_power_state(struct radeon_device * rdev)5126 int ci_dpm_pre_set_power_state(struct radeon_device *rdev)
5127 {
5128 	struct ci_power_info *pi = ci_get_pi(rdev);
5129 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
5130 	struct radeon_ps *new_ps = &requested_ps;
5131 
5132 	ci_update_requested_ps(rdev, new_ps);
5133 
5134 	ci_apply_state_adjust_rules(rdev, &pi->requested_rps);
5135 
5136 	return 0;
5137 }
5138 
ci_dpm_post_set_power_state(struct radeon_device * rdev)5139 void ci_dpm_post_set_power_state(struct radeon_device *rdev)
5140 {
5141 	struct ci_power_info *pi = ci_get_pi(rdev);
5142 	struct radeon_ps *new_ps = &pi->requested_rps;
5143 
5144 	ci_update_current_ps(rdev, new_ps);
5145 }
5146 
5147 
ci_dpm_setup_asic(struct radeon_device * rdev)5148 void ci_dpm_setup_asic(struct radeon_device *rdev)
5149 {
5150 	int r;
5151 
5152 	r = ci_mc_load_microcode(rdev);
5153 	if (r)
5154 		DRM_ERROR("Failed to load MC firmware!\n");
5155 	ci_read_clock_registers(rdev);
5156 	ci_get_memory_type(rdev);
5157 	ci_enable_acpi_power_management(rdev);
5158 	ci_init_sclk_t(rdev);
5159 }
5160 
ci_dpm_enable(struct radeon_device * rdev)5161 int ci_dpm_enable(struct radeon_device *rdev)
5162 {
5163 	struct ci_power_info *pi = ci_get_pi(rdev);
5164 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
5165 	int ret;
5166 
5167 	if (ci_is_smc_running(rdev))
5168 		return -EINVAL;
5169 	if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) {
5170 		ci_enable_voltage_control(rdev);
5171 		ret = ci_construct_voltage_tables(rdev);
5172 		if (ret) {
5173 			DRM_ERROR("ci_construct_voltage_tables failed\n");
5174 			return ret;
5175 		}
5176 	}
5177 	if (pi->caps_dynamic_ac_timing) {
5178 		ret = ci_initialize_mc_reg_table(rdev);
5179 		if (ret)
5180 			pi->caps_dynamic_ac_timing = false;
5181 	}
5182 	if (pi->dynamic_ss)
5183 		ci_enable_spread_spectrum(rdev, true);
5184 	if (pi->thermal_protection)
5185 		ci_enable_thermal_protection(rdev, true);
5186 	ci_program_sstp(rdev);
5187 	ci_enable_display_gap(rdev);
5188 	ci_program_vc(rdev);
5189 	ret = ci_upload_firmware(rdev);
5190 	if (ret) {
5191 		DRM_ERROR("ci_upload_firmware failed\n");
5192 		return ret;
5193 	}
5194 	ret = ci_process_firmware_header(rdev);
5195 	if (ret) {
5196 		DRM_ERROR("ci_process_firmware_header failed\n");
5197 		return ret;
5198 	}
5199 	ret = ci_initial_switch_from_arb_f0_to_f1(rdev);
5200 	if (ret) {
5201 		DRM_ERROR("ci_initial_switch_from_arb_f0_to_f1 failed\n");
5202 		return ret;
5203 	}
5204 	ret = ci_init_smc_table(rdev);
5205 	if (ret) {
5206 		DRM_ERROR("ci_init_smc_table failed\n");
5207 		return ret;
5208 	}
5209 	ret = ci_init_arb_table_index(rdev);
5210 	if (ret) {
5211 		DRM_ERROR("ci_init_arb_table_index failed\n");
5212 		return ret;
5213 	}
5214 	if (pi->caps_dynamic_ac_timing) {
5215 		ret = ci_populate_initial_mc_reg_table(rdev);
5216 		if (ret) {
5217 			DRM_ERROR("ci_populate_initial_mc_reg_table failed\n");
5218 			return ret;
5219 		}
5220 	}
5221 	ret = ci_populate_pm_base(rdev);
5222 	if (ret) {
5223 		DRM_ERROR("ci_populate_pm_base failed\n");
5224 		return ret;
5225 	}
5226 	ci_dpm_start_smc(rdev);
5227 	ci_enable_vr_hot_gpio_interrupt(rdev);
5228 	ret = ci_notify_smc_display_change(rdev, false);
5229 	if (ret) {
5230 		DRM_ERROR("ci_notify_smc_display_change failed\n");
5231 		return ret;
5232 	}
5233 	ci_enable_sclk_control(rdev, true);
5234 	ret = ci_enable_ulv(rdev, true);
5235 	if (ret) {
5236 		DRM_ERROR("ci_enable_ulv failed\n");
5237 		return ret;
5238 	}
5239 	ret = ci_enable_ds_master_switch(rdev, true);
5240 	if (ret) {
5241 		DRM_ERROR("ci_enable_ds_master_switch failed\n");
5242 		return ret;
5243 	}
5244 	ret = ci_start_dpm(rdev);
5245 	if (ret) {
5246 		DRM_ERROR("ci_start_dpm failed\n");
5247 		return ret;
5248 	}
5249 	ret = ci_enable_didt(rdev, true);
5250 	if (ret) {
5251 		DRM_ERROR("ci_enable_didt failed\n");
5252 		return ret;
5253 	}
5254 	ret = ci_enable_smc_cac(rdev, true);
5255 	if (ret) {
5256 		DRM_ERROR("ci_enable_smc_cac failed\n");
5257 		return ret;
5258 	}
5259 	ret = ci_enable_power_containment(rdev, true);
5260 	if (ret) {
5261 		DRM_ERROR("ci_enable_power_containment failed\n");
5262 		return ret;
5263 	}
5264 
5265 	ret = ci_power_control_set_level(rdev);
5266 	if (ret) {
5267 		DRM_ERROR("ci_power_control_set_level failed\n");
5268 		return ret;
5269 	}
5270 
5271 	ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
5272 
5273 	ret = ci_enable_thermal_based_sclk_dpm(rdev, true);
5274 	if (ret) {
5275 		DRM_ERROR("ci_enable_thermal_based_sclk_dpm failed\n");
5276 		return ret;
5277 	}
5278 
5279 	ci_thermal_start_thermal_controller(rdev);
5280 
5281 	ci_update_current_ps(rdev, boot_ps);
5282 
5283 	return 0;
5284 }
5285 
ci_set_temperature_range(struct radeon_device * rdev)5286 static int ci_set_temperature_range(struct radeon_device *rdev)
5287 {
5288 	int ret;
5289 
5290 	ret = ci_thermal_enable_alert(rdev, false);
5291 	if (ret)
5292 		return ret;
5293 	ret = ci_thermal_set_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
5294 	if (ret)
5295 		return ret;
5296 	ret = ci_thermal_enable_alert(rdev, true);
5297 	if (ret)
5298 		return ret;
5299 
5300 	return ret;
5301 }
5302 
ci_dpm_late_enable(struct radeon_device * rdev)5303 int ci_dpm_late_enable(struct radeon_device *rdev)
5304 {
5305 	int ret;
5306 
5307 	ret = ci_set_temperature_range(rdev);
5308 	if (ret)
5309 		return ret;
5310 
5311 	ci_dpm_powergate_uvd(rdev, true);
5312 
5313 	return 0;
5314 }
5315 
ci_dpm_disable(struct radeon_device * rdev)5316 void ci_dpm_disable(struct radeon_device *rdev)
5317 {
5318 	struct ci_power_info *pi = ci_get_pi(rdev);
5319 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
5320 
5321 	ci_dpm_powergate_uvd(rdev, false);
5322 
5323 	if (!ci_is_smc_running(rdev))
5324 		return;
5325 
5326 	ci_thermal_stop_thermal_controller(rdev);
5327 
5328 	if (pi->thermal_protection)
5329 		ci_enable_thermal_protection(rdev, false);
5330 	ci_enable_power_containment(rdev, false);
5331 	ci_enable_smc_cac(rdev, false);
5332 	ci_enable_didt(rdev, false);
5333 	ci_enable_spread_spectrum(rdev, false);
5334 	ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
5335 	ci_stop_dpm(rdev);
5336 	ci_enable_ds_master_switch(rdev, false);
5337 	ci_enable_ulv(rdev, false);
5338 	ci_clear_vc(rdev);
5339 	ci_reset_to_default(rdev);
5340 	ci_dpm_stop_smc(rdev);
5341 	ci_force_switch_to_arb_f0(rdev);
5342 	ci_enable_thermal_based_sclk_dpm(rdev, false);
5343 
5344 	ci_update_current_ps(rdev, boot_ps);
5345 }
5346 
ci_dpm_set_power_state(struct radeon_device * rdev)5347 int ci_dpm_set_power_state(struct radeon_device *rdev)
5348 {
5349 	struct ci_power_info *pi = ci_get_pi(rdev);
5350 	struct radeon_ps *new_ps = &pi->requested_rps;
5351 	struct radeon_ps *old_ps = &pi->current_rps;
5352 	int ret;
5353 
5354 	ci_find_dpm_states_clocks_in_dpm_table(rdev, new_ps);
5355 	if (pi->pcie_performance_request)
5356 		ci_request_link_speed_change_before_state_change(rdev, new_ps, old_ps);
5357 	ret = ci_freeze_sclk_mclk_dpm(rdev);
5358 	if (ret) {
5359 		DRM_ERROR("ci_freeze_sclk_mclk_dpm failed\n");
5360 		return ret;
5361 	}
5362 	ret = ci_populate_and_upload_sclk_mclk_dpm_levels(rdev, new_ps);
5363 	if (ret) {
5364 		DRM_ERROR("ci_populate_and_upload_sclk_mclk_dpm_levels failed\n");
5365 		return ret;
5366 	}
5367 	ret = ci_generate_dpm_level_enable_mask(rdev, new_ps);
5368 	if (ret) {
5369 		DRM_ERROR("ci_generate_dpm_level_enable_mask failed\n");
5370 		return ret;
5371 	}
5372 
5373 	ret = ci_update_vce_dpm(rdev, new_ps, old_ps);
5374 	if (ret) {
5375 		DRM_ERROR("ci_update_vce_dpm failed\n");
5376 		return ret;
5377 	}
5378 
5379 	ret = ci_update_sclk_t(rdev);
5380 	if (ret) {
5381 		DRM_ERROR("ci_update_sclk_t failed\n");
5382 		return ret;
5383 	}
5384 	if (pi->caps_dynamic_ac_timing) {
5385 		ret = ci_update_and_upload_mc_reg_table(rdev);
5386 		if (ret) {
5387 			DRM_ERROR("ci_update_and_upload_mc_reg_table failed\n");
5388 			return ret;
5389 		}
5390 	}
5391 	ret = ci_program_memory_timing_parameters(rdev);
5392 	if (ret) {
5393 		DRM_ERROR("ci_program_memory_timing_parameters failed\n");
5394 		return ret;
5395 	}
5396 	ret = ci_unfreeze_sclk_mclk_dpm(rdev);
5397 	if (ret) {
5398 		DRM_ERROR("ci_unfreeze_sclk_mclk_dpm failed\n");
5399 		return ret;
5400 	}
5401 	ret = ci_upload_dpm_level_enable_mask(rdev);
5402 	if (ret) {
5403 		DRM_ERROR("ci_upload_dpm_level_enable_mask failed\n");
5404 		return ret;
5405 	}
5406 	if (pi->pcie_performance_request)
5407 		ci_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps);
5408 
5409 	return 0;
5410 }
5411 
5412 #if 0
5413 void ci_dpm_reset_asic(struct radeon_device *rdev)
5414 {
5415 	ci_set_boot_state(rdev);
5416 }
5417 #endif
5418 
ci_dpm_display_configuration_changed(struct radeon_device * rdev)5419 void ci_dpm_display_configuration_changed(struct radeon_device *rdev)
5420 {
5421 	ci_program_display_gap(rdev);
5422 }
5423 
5424 union power_info {
5425 	struct _ATOM_POWERPLAY_INFO info;
5426 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
5427 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
5428 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
5429 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
5430 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
5431 };
5432 
5433 union pplib_clock_info {
5434 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
5435 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
5436 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
5437 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
5438 	struct _ATOM_PPLIB_SI_CLOCK_INFO si;
5439 	struct _ATOM_PPLIB_CI_CLOCK_INFO ci;
5440 };
5441 
5442 union pplib_power_state {
5443 	struct _ATOM_PPLIB_STATE v1;
5444 	struct _ATOM_PPLIB_STATE_V2 v2;
5445 };
5446 
ci_parse_pplib_non_clock_info(struct radeon_device * rdev,struct radeon_ps * rps,struct _ATOM_PPLIB_NONCLOCK_INFO * non_clock_info,u8 table_rev)5447 static void ci_parse_pplib_non_clock_info(struct radeon_device *rdev,
5448 					  struct radeon_ps *rps,
5449 					  struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
5450 					  u8 table_rev)
5451 {
5452 	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
5453 	rps->class = le16_to_cpu(non_clock_info->usClassification);
5454 	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
5455 
5456 	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
5457 		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
5458 		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
5459 	} else {
5460 		rps->vclk = 0;
5461 		rps->dclk = 0;
5462 	}
5463 
5464 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
5465 		rdev->pm.dpm.boot_ps = rps;
5466 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
5467 		rdev->pm.dpm.uvd_ps = rps;
5468 }
5469 
ci_parse_pplib_clock_info(struct radeon_device * rdev,struct radeon_ps * rps,int index,union pplib_clock_info * clock_info)5470 static void ci_parse_pplib_clock_info(struct radeon_device *rdev,
5471 				      struct radeon_ps *rps, int index,
5472 				      union pplib_clock_info *clock_info)
5473 {
5474 	struct ci_power_info *pi = ci_get_pi(rdev);
5475 	struct ci_ps *ps = ci_get_ps(rps);
5476 	struct ci_pl *pl = &ps->performance_levels[index];
5477 
5478 	ps->performance_level_count = index + 1;
5479 
5480 	pl->sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
5481 	pl->sclk |= clock_info->ci.ucEngineClockHigh << 16;
5482 	pl->mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
5483 	pl->mclk |= clock_info->ci.ucMemoryClockHigh << 16;
5484 
5485 	pl->pcie_gen = r600_get_pcie_gen_support(rdev,
5486 						 pi->sys_pcie_mask,
5487 						 pi->vbios_boot_state.pcie_gen_bootup_value,
5488 						 clock_info->ci.ucPCIEGen);
5489 	pl->pcie_lane = r600_get_pcie_lane_support(rdev,
5490 						   pi->vbios_boot_state.pcie_lane_bootup_value,
5491 						   le16_to_cpu(clock_info->ci.usPCIELane));
5492 
5493 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
5494 		pi->acpi_pcie_gen = pl->pcie_gen;
5495 	}
5496 
5497 	if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
5498 		pi->ulv.supported = true;
5499 		pi->ulv.pl = *pl;
5500 		pi->ulv.cg_ulv_parameter = CISLANDS_CGULVPARAMETER_DFLT;
5501 	}
5502 
5503 	/* patch up boot state */
5504 	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
5505 		pl->mclk = pi->vbios_boot_state.mclk_bootup_value;
5506 		pl->sclk = pi->vbios_boot_state.sclk_bootup_value;
5507 		pl->pcie_gen = pi->vbios_boot_state.pcie_gen_bootup_value;
5508 		pl->pcie_lane = pi->vbios_boot_state.pcie_lane_bootup_value;
5509 	}
5510 
5511 	switch (rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
5512 	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
5513 		pi->use_pcie_powersaving_levels = true;
5514 		if (pi->pcie_gen_powersaving.max < pl->pcie_gen)
5515 			pi->pcie_gen_powersaving.max = pl->pcie_gen;
5516 		if (pi->pcie_gen_powersaving.min > pl->pcie_gen)
5517 			pi->pcie_gen_powersaving.min = pl->pcie_gen;
5518 		if (pi->pcie_lane_powersaving.max < pl->pcie_lane)
5519 			pi->pcie_lane_powersaving.max = pl->pcie_lane;
5520 		if (pi->pcie_lane_powersaving.min > pl->pcie_lane)
5521 			pi->pcie_lane_powersaving.min = pl->pcie_lane;
5522 		break;
5523 	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
5524 		pi->use_pcie_performance_levels = true;
5525 		if (pi->pcie_gen_performance.max < pl->pcie_gen)
5526 			pi->pcie_gen_performance.max = pl->pcie_gen;
5527 		if (pi->pcie_gen_performance.min > pl->pcie_gen)
5528 			pi->pcie_gen_performance.min = pl->pcie_gen;
5529 		if (pi->pcie_lane_performance.max < pl->pcie_lane)
5530 			pi->pcie_lane_performance.max = pl->pcie_lane;
5531 		if (pi->pcie_lane_performance.min > pl->pcie_lane)
5532 			pi->pcie_lane_performance.min = pl->pcie_lane;
5533 		break;
5534 	default:
5535 		break;
5536 	}
5537 }
5538 
ci_parse_power_table(struct radeon_device * rdev)5539 static int ci_parse_power_table(struct radeon_device *rdev)
5540 {
5541 	struct radeon_mode_info *mode_info = &rdev->mode_info;
5542 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
5543 	union pplib_power_state *power_state;
5544 	int i, j, k, non_clock_array_index, clock_array_index;
5545 	union pplib_clock_info *clock_info;
5546 	struct _StateArray *state_array;
5547 	struct _ClockInfoArray *clock_info_array;
5548 	struct _NonClockInfoArray *non_clock_info_array;
5549 	union power_info *power_info;
5550 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
5551 	u16 data_offset;
5552 	u8 frev, crev;
5553 	u8 *power_state_offset;
5554 	struct ci_ps *ps;
5555 
5556 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
5557 				   &frev, &crev, &data_offset))
5558 		return -EINVAL;
5559 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
5560 
5561 	state_array = (struct _StateArray *)
5562 		(mode_info->atom_context->bios + data_offset +
5563 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
5564 	clock_info_array = (struct _ClockInfoArray *)
5565 		(mode_info->atom_context->bios + data_offset +
5566 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
5567 	non_clock_info_array = (struct _NonClockInfoArray *)
5568 		(mode_info->atom_context->bios + data_offset +
5569 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
5570 
5571 	rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
5572 				  sizeof(struct radeon_ps),
5573 				  GFP_KERNEL);
5574 	if (!rdev->pm.dpm.ps)
5575 		return -ENOMEM;
5576 	power_state_offset = (u8 *)state_array->states;
5577 	for (i = 0; i < state_array->ucNumEntries; i++) {
5578 		u8 *idx;
5579 		power_state = (union pplib_power_state *)power_state_offset;
5580 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
5581 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
5582 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
5583 		if (!rdev->pm.power_state[i].clock_info)
5584 			return -EINVAL;
5585 		ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL);
5586 		if (ps == NULL) {
5587 			kfree(rdev->pm.dpm.ps);
5588 			return -ENOMEM;
5589 		}
5590 		rdev->pm.dpm.ps[i].ps_priv = ps;
5591 		ci_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
5592 					      non_clock_info,
5593 					      non_clock_info_array->ucEntrySize);
5594 		k = 0;
5595 		idx = (u8 *)&power_state->v2.clockInfoIndex[0];
5596 		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
5597 			clock_array_index = idx[j];
5598 			if (clock_array_index >= clock_info_array->ucNumEntries)
5599 				continue;
5600 			if (k >= CISLANDS_MAX_HARDWARE_POWERLEVELS)
5601 				break;
5602 			clock_info = (union pplib_clock_info *)
5603 				((u8 *)&clock_info_array->clockInfo[0] +
5604 				 (clock_array_index * clock_info_array->ucEntrySize));
5605 			ci_parse_pplib_clock_info(rdev,
5606 						  &rdev->pm.dpm.ps[i], k,
5607 						  clock_info);
5608 			k++;
5609 		}
5610 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
5611 	}
5612 	rdev->pm.dpm.num_ps = state_array->ucNumEntries;
5613 
5614 	/* fill in the vce power states */
5615 	for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) {
5616 		u32 sclk, mclk;
5617 		clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx;
5618 		clock_info = (union pplib_clock_info *)
5619 			&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
5620 		sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
5621 		sclk |= clock_info->ci.ucEngineClockHigh << 16;
5622 		mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
5623 		mclk |= clock_info->ci.ucMemoryClockHigh << 16;
5624 		rdev->pm.dpm.vce_states[i].sclk = sclk;
5625 		rdev->pm.dpm.vce_states[i].mclk = mclk;
5626 	}
5627 
5628 	return 0;
5629 }
5630 
ci_get_vbios_boot_values(struct radeon_device * rdev,struct ci_vbios_boot_state * boot_state)5631 static int ci_get_vbios_boot_values(struct radeon_device *rdev,
5632 				    struct ci_vbios_boot_state *boot_state)
5633 {
5634 	struct radeon_mode_info *mode_info = &rdev->mode_info;
5635 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
5636 	ATOM_FIRMWARE_INFO_V2_2 *firmware_info;
5637 	u8 frev, crev;
5638 	u16 data_offset;
5639 
5640 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
5641 				   &frev, &crev, &data_offset)) {
5642 		firmware_info =
5643 			(ATOM_FIRMWARE_INFO_V2_2 *)(mode_info->atom_context->bios +
5644 						    data_offset);
5645 		boot_state->mvdd_bootup_value = le16_to_cpu(firmware_info->usBootUpMVDDCVoltage);
5646 		boot_state->vddc_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCVoltage);
5647 		boot_state->vddci_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCIVoltage);
5648 		boot_state->pcie_gen_bootup_value = ci_get_current_pcie_speed(rdev);
5649 		boot_state->pcie_lane_bootup_value = ci_get_current_pcie_lane_number(rdev);
5650 		boot_state->sclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultEngineClock);
5651 		boot_state->mclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultMemoryClock);
5652 
5653 		return 0;
5654 	}
5655 	return -EINVAL;
5656 }
5657 
ci_dpm_fini(struct radeon_device * rdev)5658 void ci_dpm_fini(struct radeon_device *rdev)
5659 {
5660 	int i;
5661 
5662 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
5663 		kfree(rdev->pm.dpm.ps[i].ps_priv);
5664 	}
5665 	kfree(rdev->pm.dpm.ps);
5666 	kfree(rdev->pm.dpm.priv);
5667 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
5668 	r600_free_extended_power_table(rdev);
5669 }
5670 
ci_dpm_init(struct radeon_device * rdev)5671 int ci_dpm_init(struct radeon_device *rdev)
5672 {
5673 	int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
5674 	SMU7_Discrete_DpmTable  *dpm_table;
5675 	struct radeon_gpio_rec gpio;
5676 	u16 data_offset, size;
5677 	u8 frev, crev;
5678 	struct ci_power_info *pi;
5679 	enum pci_bus_speed speed_cap;
5680 	struct pci_dev *root = rdev->pdev->bus->self;
5681 	int ret;
5682 
5683 	pi = kzalloc(sizeof(struct ci_power_info), GFP_KERNEL);
5684 	if (pi == NULL)
5685 		return -ENOMEM;
5686 	rdev->pm.dpm.priv = pi;
5687 
5688 	speed_cap = pcie_get_speed_cap(root);
5689 	if (speed_cap == PCI_SPEED_UNKNOWN) {
5690 		pi->sys_pcie_mask = 0;
5691 	} else {
5692 		if (speed_cap == PCIE_SPEED_8_0GT)
5693 			pi->sys_pcie_mask = RADEON_PCIE_SPEED_25 |
5694 				RADEON_PCIE_SPEED_50 |
5695 				RADEON_PCIE_SPEED_80;
5696 		else if (speed_cap == PCIE_SPEED_5_0GT)
5697 			pi->sys_pcie_mask = RADEON_PCIE_SPEED_25 |
5698 				RADEON_PCIE_SPEED_50;
5699 		else
5700 			pi->sys_pcie_mask = RADEON_PCIE_SPEED_25;
5701 	}
5702 	pi->force_pcie_gen = RADEON_PCIE_GEN_INVALID;
5703 
5704 	pi->pcie_gen_performance.max = RADEON_PCIE_GEN1;
5705 	pi->pcie_gen_performance.min = RADEON_PCIE_GEN3;
5706 	pi->pcie_gen_powersaving.max = RADEON_PCIE_GEN1;
5707 	pi->pcie_gen_powersaving.min = RADEON_PCIE_GEN3;
5708 
5709 	pi->pcie_lane_performance.max = 0;
5710 	pi->pcie_lane_performance.min = 16;
5711 	pi->pcie_lane_powersaving.max = 0;
5712 	pi->pcie_lane_powersaving.min = 16;
5713 
5714 	ret = ci_get_vbios_boot_values(rdev, &pi->vbios_boot_state);
5715 	if (ret) {
5716 		ci_dpm_fini(rdev);
5717 		return ret;
5718 	}
5719 
5720 	ret = r600_get_platform_caps(rdev);
5721 	if (ret) {
5722 		ci_dpm_fini(rdev);
5723 		return ret;
5724 	}
5725 
5726 	ret = r600_parse_extended_power_table(rdev);
5727 	if (ret) {
5728 		ci_dpm_fini(rdev);
5729 		return ret;
5730 	}
5731 
5732 	ret = ci_parse_power_table(rdev);
5733 	if (ret) {
5734 		ci_dpm_fini(rdev);
5735 		return ret;
5736 	}
5737 
5738 	pi->dll_default_on = false;
5739 	pi->sram_end = SMC_RAM_END;
5740 
5741 	pi->activity_target[0] = CISLAND_TARGETACTIVITY_DFLT;
5742 	pi->activity_target[1] = CISLAND_TARGETACTIVITY_DFLT;
5743 	pi->activity_target[2] = CISLAND_TARGETACTIVITY_DFLT;
5744 	pi->activity_target[3] = CISLAND_TARGETACTIVITY_DFLT;
5745 	pi->activity_target[4] = CISLAND_TARGETACTIVITY_DFLT;
5746 	pi->activity_target[5] = CISLAND_TARGETACTIVITY_DFLT;
5747 	pi->activity_target[6] = CISLAND_TARGETACTIVITY_DFLT;
5748 	pi->activity_target[7] = CISLAND_TARGETACTIVITY_DFLT;
5749 
5750 	pi->mclk_activity_target = CISLAND_MCLK_TARGETACTIVITY_DFLT;
5751 
5752 	pi->sclk_dpm_key_disabled = 0;
5753 	pi->mclk_dpm_key_disabled = 0;
5754 	pi->pcie_dpm_key_disabled = 0;
5755 	pi->thermal_sclk_dpm_enabled = 0;
5756 
5757 	/* mclk dpm is unstable on some R7 260X cards with the old mc ucode */
5758 	if ((rdev->pdev->device == 0x6658) &&
5759 	    (rdev->mc_fw->size == (BONAIRE_MC_UCODE_SIZE * 4))) {
5760 		pi->mclk_dpm_key_disabled = 1;
5761 	}
5762 
5763 	pi->caps_sclk_ds = true;
5764 
5765 	pi->mclk_strobe_mode_threshold = 40000;
5766 	pi->mclk_stutter_mode_threshold = 40000;
5767 	pi->mclk_edc_enable_threshold = 40000;
5768 	pi->mclk_edc_wr_enable_threshold = 40000;
5769 
5770 	ci_initialize_powertune_defaults(rdev);
5771 
5772 	pi->caps_fps = false;
5773 
5774 	pi->caps_sclk_throttle_low_notification = false;
5775 
5776 	pi->caps_uvd_dpm = true;
5777 	pi->caps_vce_dpm = true;
5778 
5779 	ci_get_leakage_voltages(rdev);
5780 	ci_patch_dependency_tables_with_leakage(rdev);
5781 	ci_set_private_data_variables_based_on_pptable(rdev);
5782 
5783 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
5784 		kcalloc(4,
5785 			sizeof(struct radeon_clock_voltage_dependency_entry),
5786 			GFP_KERNEL);
5787 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
5788 		ci_dpm_fini(rdev);
5789 		return -ENOMEM;
5790 	}
5791 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
5792 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
5793 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
5794 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
5795 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
5796 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
5797 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
5798 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
5799 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;
5800 
5801 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 4;
5802 	rdev->pm.dpm.dyn_state.sclk_mclk_delta = 15000;
5803 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
5804 
5805 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = 0;
5806 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = NULL;
5807 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
5808 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
5809 
5810 	if (rdev->family == CHIP_HAWAII) {
5811 		pi->thermal_temp_setting.temperature_low = 94500;
5812 		pi->thermal_temp_setting.temperature_high = 95000;
5813 		pi->thermal_temp_setting.temperature_shutdown = 104000;
5814 	} else {
5815 		pi->thermal_temp_setting.temperature_low = 99500;
5816 		pi->thermal_temp_setting.temperature_high = 100000;
5817 		pi->thermal_temp_setting.temperature_shutdown = 104000;
5818 	}
5819 
5820 	pi->uvd_enabled = false;
5821 
5822 	dpm_table = &pi->smc_state_table;
5823 
5824 	gpio = radeon_atombios_lookup_gpio(rdev, VDDC_VRHOT_GPIO_PINID);
5825 	if (gpio.valid) {
5826 		dpm_table->VRHotGpio = gpio.shift;
5827 		rdev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_REGULATOR_HOT;
5828 	} else {
5829 		dpm_table->VRHotGpio = CISLANDS_UNUSED_GPIO_PIN;
5830 		rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_REGULATOR_HOT;
5831 	}
5832 
5833 	gpio = radeon_atombios_lookup_gpio(rdev, PP_AC_DC_SWITCH_GPIO_PINID);
5834 	if (gpio.valid) {
5835 		dpm_table->AcDcGpio = gpio.shift;
5836 		rdev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_HARDWAREDC;
5837 	} else {
5838 		dpm_table->AcDcGpio = CISLANDS_UNUSED_GPIO_PIN;
5839 		rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_HARDWAREDC;
5840 	}
5841 
5842 	gpio = radeon_atombios_lookup_gpio(rdev, VDDC_PCC_GPIO_PINID);
5843 	if (gpio.valid) {
5844 		u32 tmp = RREG32_SMC(CNB_PWRMGT_CNTL);
5845 
5846 		switch (gpio.shift) {
5847 		case 0:
5848 			tmp &= ~GNB_SLOW_MODE_MASK;
5849 			tmp |= GNB_SLOW_MODE(1);
5850 			break;
5851 		case 1:
5852 			tmp &= ~GNB_SLOW_MODE_MASK;
5853 			tmp |= GNB_SLOW_MODE(2);
5854 			break;
5855 		case 2:
5856 			tmp |= GNB_SLOW;
5857 			break;
5858 		case 3:
5859 			tmp |= FORCE_NB_PS1;
5860 			break;
5861 		case 4:
5862 			tmp |= DPM_ENABLED;
5863 			break;
5864 		default:
5865 			DRM_DEBUG("Invalid PCC GPIO: %u!\n", gpio.shift);
5866 			break;
5867 		}
5868 		WREG32_SMC(CNB_PWRMGT_CNTL, tmp);
5869 	}
5870 
5871 	pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_NONE;
5872 	pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_NONE;
5873 	pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_NONE;
5874 	if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT))
5875 		pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
5876 	else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
5877 		pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
5878 
5879 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL) {
5880 		if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT))
5881 			pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
5882 		else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2))
5883 			pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
5884 		else
5885 			rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL;
5886 	}
5887 
5888 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_MVDDCONTROL) {
5889 		if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT))
5890 			pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO;
5891 		else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_SVID2))
5892 			pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2;
5893 		else
5894 			rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_MVDDCONTROL;
5895 	}
5896 
5897 	pi->vddc_phase_shed_control = true;
5898 
5899 #if defined(CONFIG_ACPI)
5900 	pi->pcie_performance_request =
5901 		radeon_acpi_is_pcie_performance_request_supported(rdev);
5902 #else
5903 	pi->pcie_performance_request = false;
5904 #endif
5905 
5906 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
5907 				   &frev, &crev, &data_offset)) {
5908 		pi->caps_sclk_ss_support = true;
5909 		pi->caps_mclk_ss_support = true;
5910 		pi->dynamic_ss = true;
5911 	} else {
5912 		pi->caps_sclk_ss_support = false;
5913 		pi->caps_mclk_ss_support = false;
5914 		pi->dynamic_ss = true;
5915 	}
5916 
5917 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
5918 		pi->thermal_protection = true;
5919 	else
5920 		pi->thermal_protection = false;
5921 
5922 	pi->caps_dynamic_ac_timing = true;
5923 
5924 	pi->uvd_power_gated = false;
5925 
5926 	/* make sure dc limits are valid */
5927 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
5928 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
5929 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
5930 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
5931 
5932 	pi->fan_ctrl_is_in_default_mode = true;
5933 
5934 	return 0;
5935 }
5936 
ci_dpm_debugfs_print_current_performance_level(struct radeon_device * rdev,struct seq_file * m)5937 void ci_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
5938 						    struct seq_file *m)
5939 {
5940 	struct ci_power_info *pi = ci_get_pi(rdev);
5941 	struct radeon_ps *rps = &pi->current_rps;
5942 	u32 sclk = ci_get_average_sclk_freq(rdev);
5943 	u32 mclk = ci_get_average_mclk_freq(rdev);
5944 
5945 	seq_printf(m, "uvd    %sabled\n", pi->uvd_enabled ? "en" : "dis");
5946 	seq_printf(m, "vce    %sabled\n", rps->vce_active ? "en" : "dis");
5947 	seq_printf(m, "power level avg    sclk: %u mclk: %u\n",
5948 		   sclk, mclk);
5949 }
5950 
ci_dpm_print_power_state(struct radeon_device * rdev,struct radeon_ps * rps)5951 void ci_dpm_print_power_state(struct radeon_device *rdev,
5952 			      struct radeon_ps *rps)
5953 {
5954 	struct ci_ps *ps = ci_get_ps(rps);
5955 	struct ci_pl *pl;
5956 	int i;
5957 
5958 	r600_dpm_print_class_info(rps->class, rps->class2);
5959 	r600_dpm_print_cap_info(rps->caps);
5960 	printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
5961 	for (i = 0; i < ps->performance_level_count; i++) {
5962 		pl = &ps->performance_levels[i];
5963 		printk("\t\tpower level %d    sclk: %u mclk: %u pcie gen: %u pcie lanes: %u\n",
5964 		       i, pl->sclk, pl->mclk, pl->pcie_gen + 1, pl->pcie_lane);
5965 	}
5966 	r600_dpm_print_ps_status(rdev, rps);
5967 }
5968 
ci_dpm_get_current_sclk(struct radeon_device * rdev)5969 u32 ci_dpm_get_current_sclk(struct radeon_device *rdev)
5970 {
5971 	u32 sclk = ci_get_average_sclk_freq(rdev);
5972 
5973 	return sclk;
5974 }
5975 
ci_dpm_get_current_mclk(struct radeon_device * rdev)5976 u32 ci_dpm_get_current_mclk(struct radeon_device *rdev)
5977 {
5978 	u32 mclk = ci_get_average_mclk_freq(rdev);
5979 
5980 	return mclk;
5981 }
5982 
ci_dpm_get_sclk(struct radeon_device * rdev,bool low)5983 u32 ci_dpm_get_sclk(struct radeon_device *rdev, bool low)
5984 {
5985 	struct ci_power_info *pi = ci_get_pi(rdev);
5986 	struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps);
5987 
5988 	if (low)
5989 		return requested_state->performance_levels[0].sclk;
5990 	else
5991 		return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
5992 }
5993 
ci_dpm_get_mclk(struct radeon_device * rdev,bool low)5994 u32 ci_dpm_get_mclk(struct radeon_device *rdev, bool low)
5995 {
5996 	struct ci_power_info *pi = ci_get_pi(rdev);
5997 	struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps);
5998 
5999 	if (low)
6000 		return requested_state->performance_levels[0].mclk;
6001 	else
6002 		return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
6003 }
6004